TWI622908B - Touch-sensing display panel - Google Patents

Abstract

A touch display panel includes a display panel and a touch panel disposed on the display panel. The display panel has a reflective layer. The touch panel has a touch surface. The touch panel includes a filter layer, a gray layer, and a touch element layer. Light entering the touch panel and the display panel from the touch surface is reflected by the reflective layer. The optical density ratio of the filter layer and the gray layer to visible light is N, and N is between 1 and 40.

Description

Touch display panel

The present invention relates to a display panel, and in particular to a touch display panel.

The touch display panel includes a display panel and a touch panel. The touch panel may be built in the display panel or attached to the display panel. At present, touch panels are roughly divided into resistive touch panels, capacitive touch panels, optical touch panels, acoustic wave touch panels, and electromagnetic touch panels according to their sensing methods. Capacitive touch panels have the characteristics of fast response time, good reliability, and high durability. Capacitive touch panels can be widely used in electronic products.

In general, the display panel may have reflective optical characteristics due to electrodes or media, so the external appearance of the touch display panel may cause a reflection effect due to external light, thereby reducing the color quality of the touch display panel ’s color light . A current method for improving the color quality of a touch display panel is to attach a polarizing film and a retardation film to the touch surface of the touch display panel to eliminate reflection of ambient light.

An embodiment of the present invention provides a touch display panel, which can improve display quality.

A touch display panel according to an embodiment of the present invention includes a display panel and a touch panel disposed on the display panel. The display panel has a reflective layer. The touch panel has a touch surface. The touch panel includes a filter layer, a gray layer, and a touch element layer. Light entering the touch panel and the display panel from the touch surface is reflected by the reflective layer. The optical density ratio of the filter layer and the gray layer to visible light is N, and N is between 1 and 40.

A touch display panel according to an embodiment of the present invention includes a display panel and a touch panel disposed on the display panel. The display panel has a reflective layer. The touch panel has a touch surface. The touch panel includes a gray layer and a touch element layer. The touch element layer includes a plurality of filter touch circuits and a plurality of bridge circuits. Light entering the touch panel and the display panel from the touch surface is reflected by the reflective layer. The optical density ratio of the filter touch circuit and the gray level to visible light is N, and N is between 1 and 40.

In order to make the present invention more comprehensible, embodiments are described below in detail with reference to the accompanying drawings.

FIG. 1A is a schematic cross-sectional view of a touch display panel 100 according to the first embodiment of the present invention, FIG. 1C is a schematic bottom view of the touch display panel 100 according to the first embodiment of the present invention, and FIG. 1A is a cross-sectional line A1 in FIG. 1C -A1 'cross-sectional view. It should be noted that in FIG. 1A, although the bridge line 146 and the conductive via 148 do not appear at the positions of the section lines A1-A1 ', but appear at the positions of the section lines A2-A2', but in this embodiment The projection range of the bridge line 146 and the conductive via 148 is still drawn to indicate the relative positions of the bridge line 146, the conductive via 148 and the filter layer 130. The touch display panel 100 of this embodiment includes a display panel DP, an adhesive layer 14 and a touch panel TP. The adhesive layer 14 is located between the display panel DP and the touch panel TP, and is used to adhere the display panel DP and the touch panel TP to form the touch display panel 100. It is worth mentioning that the present invention does not limit any adhesion manner or thickness of the adhesion layer 14.

The display panel DP has a reflective layer 12, wherein the reflective layer 12 may be a reflective electrode or a transflective electrode capable of reflecting light and being conductive. In other embodiments, the reflective layer 12 may be a reflective film or a transflective film without conductive properties. In other feasible embodiments, the reflective layer 12 may also be formed of a thin film stacked on each other, which reflects light by a difference in refractive index between the thin film and the thin film.

The display panel DP has a light-emitting region EM, wherein the light-emitting region EM is located on the second substrate 10, and the light-emitting region EM includes a plurality of first light-emitting regions EMr, a plurality of second light-emitting regions EMg, and a plurality of third light-emitting regions EMb. In this embodiment, the first light-emitting area EMr, the second light-emitting area EMg, and the third light-emitting area EMb respectively emit color light of different colors (for example, red light, blue light, and green light). Taking the more common three primary color pixels as an example, one pixel includes at least one red sub-pixel having a first light-emitting area EMr, at least one green sub-pixel having a second light-emitting area EMg, and at least one third light-emitting area EMb Blue sub pixels.

In detail, please refer to FIG. 1B, which is a partially enlarged schematic diagram of the light-emitting area EM in FIG. 1A. In this embodiment, the second substrate 10 includes a plurality of active devices (not shown), a plurality of scan lines (not shown), and a plurality of data lines (not shown), where the scan lines and the data lines are staggered with each other. To define the area where each sub-pixel (not shown) is located. In addition, the aforementioned child pixels are arranged in an array to form a pixel array (not shown). Each sub-pixel includes a corresponding light-emitting area EM and an active element, and the light-emitting area EM has a first pixel electrode PE1, a second pixel electrode PE2, and a light-emitting layer EML, wherein each active element and a corresponding scanning line and data line are electrically connected. It is sexually connected, and each sub-pixel is driven by the electrical signal transmitted by one of the corresponding scanning lines and one of the data lines. In this embodiment, the active element is, for example, a thin film transistor or other switching element with three terminals. Taking a thin film transistor as an example, the gate (not shown) of the thin film transistor is electrically connected to the corresponding scanning line, the source (not shown) of the thin film transistor is electrically connected to the corresponding data line, and the thin film transistor The drain (not shown) of the crystal is electrically connected to the second pixel electrode PE2, and the first pixel electrode PE1 of each sub-pixel can be used to drive the display medium layer EML. In this embodiment, the first pixel electrode PE1 may be a common electrode, and may be grounded or electrically connected to the common voltage V _SS .

In this embodiment, the first pixel electrode PE1 may be comprehensively distributed on the second substrate 10 and is, for example, a conductive layer that semi-transmits and reflects light, and the light-emitting layer EML is, for example, an organic light-emitting diode ( Organic Light-Emitting Diode). The first pixel electrode PE1, the light-emitting layer EML, and the second pixel electrode PE2 may, for example, form a structure having a micro-cavity, so that the light-emitting efficiency of the light-emitting region EM and the light emission from the light-emitting region EM can be improved. Coherence of color light. In this embodiment, the material of the first pixel electrode PE1 is, for example, a magnesium-silver alloy, and the material of the second pixel electrode PE2 is, for example, indium tin oxide (ITO), but the present invention is not limited thereto.

The touch panel TP has a touch surface TPa, and the touch panel TP includes a filter layer 130, a gray layer 120, and a touch element layer 140, and the filter layer 130 is located on the gray layer 120 and the touch element layer 140. between. Light entering the touch panel TP and the display panel DP from the touch surface TPa can be reflected by the reflective layer 12, and the optical density ratio of the filter layer 130 and the gray layer 120 to visible light is N, and N is between 1 and 40. . Specifically, after the light emitted from the light-emitting area EM of the display panel DP can penetrate the touch panel TP, the outside world can observe the image generated by the display panel DP through the touch surface TPa of the touch panel TP. The external light L can also enter the touch panel TP and the display panel DP from the touch surface TPa of the touch panel TP, and the external light entering the display panel DP will be reflected by the reflective layer 12 in the display panel DP, and then from The touch surface TPa of the touch panel TP is emitted. The light emitted from the light-emitting area EM of the display panel DP, the external light L entering the display panel DP, and the external light L reflected by the reflective layer 12 of the display panel DP may be absorbed by the filter layer 130 or the gray layer 120. In detail, the optical density ratio of the filter layer 130 and the gray layer 120 to visible light is N, and N is between 1 and 40. In other words, compared with the gray layer 120, the light blocking effect of the filter layer 130 is higher, or the light transmittance of the gray layer 120 is higher than that of the filter layer 130.

In this embodiment, the touch panel TP further includes a first substrate 110, and the filter layer 130, the gray layer 120, and the touch element layer 140 are disposed on the first substrate 110. The first substrate 110 has a first surface. 110a is a second surface 110b opposite to the first surface 110a. The filter layer 130, the gray layer 120, and the touch element layer 140 are stacked on the first surface 110a of the first substrate 110, and the second surface 110a of the first substrate 110 is stacked. The surface 110b may be a touch surface TPa. The first substrate 110 may be a rigid substrate or a flexible substrate having visible light permeability. For example, the material of the foregoing rigid substrate is, for example, glass or other rigid materials, and the material of the foregoing flexible substrate is, for example, polyethylene terephthalate (PET), polyimide, PI), polycarbonate (PC), polyamide (PA), polyethylene naphthalate (PEN), polyethyleneimine (PEI), polyurethane (polyurethane) (PU), polydimethylsiloxane (PDMS), acrylic polymers such as polymethylmethacrylate (PMMA), etc., ether polymers such as Polyethersulfone (PES) or polyetheretherketone (PEEK), polyolefin or other flexible materials, but the invention is not limited thereto. The first substrate 110 may further include an inorganic particle, such as silica, alumina, zirconium oxide, vanadium oxide, chromium oxide, and iron oxide ( iron oxide), antimony oxide, tin oxide, titanium oxide, or a combination thereof.

The aforementioned sub-pixels may be arranged in an array manner, and a certain pitch is maintained between any two adjacent pixels, and the filter layer 130 corresponds to the position between the sub-pixels and the sub-pixels to shield light leakage. ). In addition, the filter layer 130 on the touch panel TP can also partially shield the reflected light reflected by the reflective layer 12 of the display panel DP to improve the display quality of the touch display panel 100. Furthermore, the filter layer 130 on the touch panel TP can partially shield light entering the touch panel TP from the touch surface TPa of the touch panel TP to improve the display quality of the touch display panel 100. Specifically, in one embodiment, the filter layer 130 may be a black matrix (BM) layer. For example, the black matrix layer can be formed by first forming a black matrix material layer, and then performing a lithography process or a lithography process plus an etching process on the black matrix material layer. Specifically, the composition material of the black matrix layer is, for example, a filter resin, and the black matrix layer can be formed by a photolithography process. The composition material of the black matrix layer may also be chrome metal or other metal having light absorption properties. The black matrix layer may be formed by using a lithography process and an etching process. In other embodiments, the filter layer 130 may be a filter ink layer. Here, the production of the black matrix layer may be formed by a printing method using, for example, a polyester ink having a filter property.

The gray layer 120 is formed on the touch panel TP in a comprehensive manner, and the gray layer 120 can absorb part of the light. In detail, when the light-emitting area EM of the display panel DP emits light, part of the light emitted by the light-emitting area EM passes through the gray layer 120 and is partially absorbed by the gray layer 120. In detail, in this embodiment, the transmittance can be adjusted by adjusting the material of the gray layer 120 or adjusting the thickness of the gray layer 120. Furthermore, the gray level 120 on the touch panel TP can absorb light leakage from the touch display panel 100 to increase the display quality of the touch display panel 100. In detail, in one embodiment, the material of the gray layer 120 may include metal, and a metal layer may be covered on the first substrate 110 by a sputtering method or an evaporation method to form a metal layer. Gray class 120. In other embodiments, nano metal particles or nano metal oxide particles can be applied to the first substrate by a sputtering method, a vapor deposition method, a coating method, or a sol-gel method. 110 to form a gray layer 120. In other embodiments, the material of the gray layer 120 includes a carbon-based material. The gray layer 120 may be formed by using carbon powder, carbon-containing particles, or carbon-containing melanin in an acrylic or other medium coating manner. In other embodiments, the material of the gray layer 120 includes a silicon-doped carbon-based material, and the gray layer 120 may be formed on a substrate by a chemical vapor deposition (CVD) method.

In one embodiment, the gray layer 120 and the filter layer 130 may be composed of the same material, but have different thicknesses. In other embodiments, the gray layer 120 and the filter layer 130 are made of different materials, but have the same or different thicknesses.

The touch element layer 140 is used to detect a signal generated when a user touches the touch display panel 100. This signal type may be, for example, a capacitance change or a resistance change. Taking capacitive touch as an example, when a user touches the touch display panel 100, the touch element layer 140 may generate a capacitance change in an area where it is touched. The aforementioned capacitance change may be Detected and identified by 140 linked controllers. In this embodiment, the touch element layer 140 includes a touch circuit layer 142, and the touch circuit layer 142 is disposed on the filter layer 130. In one embodiment, the touch circuit layer 142 has a first projection area on the touch surface TPa, and the overlapping area where the touch circuit layer 142 and the filter layer 130 are projected on the touch surface TPa has a second projection area. A ratio of the first projection area to the second projection area is ≧ 70%. The touch circuit layer 142 includes a first touch circuit layer 142a and a second touch circuit layer 142b which are electrically insulated from each other. A dielectric layer is formed between the first touch circuit layer 142a and the second touch circuit layer 142b. 150, so that the first touch circuit layer 142a and the second touch circuit layer 142b are electrically insulated from each other. The dielectric layer 150 may be composed of an inorganic material, including: silicon oxide (SiO _x ), silicon nitride (SiN _x ), silicon oxynitride (SiON), aluminum oxide (AlO _x ), and aluminum nitride (AlON). ) Or something similar. In one embodiment, the dielectric layer 150 may be made of an organic material, which includes: polyimide (PI), polycarbonate (PC), polyamide (PA), Polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyethyleneethylenimine (PEI), polyurethane (PU), polydimethylene Polydimethylsiloxane (PDMS), acrylic polymers such as polymethylmethacrylate (PMMA), and ether polymers such as polyethersulfone (PES) Or polyetheretherketone (PEEK), polyolefin, or other analogs or combinations thereof. In other feasible embodiments, the organic material and the inorganic material may be alternately stacked or hybrid to form the dielectric layer 150. In detail, the dielectric layer 150 in this embodiment includes a first dielectric layer 152 and a second dielectric layer 154. The first dielectric layer 152 is formed between the touch circuit layer 142 and the filter layer 130 and between the filter layers 130. The first dielectric layer 152 can be used to separate the touch circuit layer 142 from the filter layer 130 and each Filter layer 130. The second dielectric layer 154 is formed between the touch circuit layer 142 and the adhesive layer 14 and between the first touch circuit layer 142a and the second touch circuit layer 142b. The second dielectric layer 154 can be used to separate the touch circuit layer 142 and the adhesive layer 14 and the first touch circuit layer 142a and the second touch circuit layer 142b.

In one embodiment, the dielectric layer 150 may have a flat surface, so that subsequently formed elements can be formed on the aforementioned flat surface. In other embodiments, the dielectric layer 150 can block the penetration of oxygen and / or water vapor. In detail, when the touch display panel 100 is a flexible touch display panel 100, in the production of the flexible touch display panel 100, in addition to overcoming the process of manufacturing the touch display panel 100 with a flexible substrate In addition to the problems, the packaging process of the touch panel TP or the display panel DP also increases difficulty due to the flexible substrate. For example, in the hard touch display panel 100, the aforementioned hard substrate can be used to block, for example, moisture and oxygen in the air from damaging the touch panel TP or the display panel DP. However, the barrier capability of the flexible substrate made of the aforementioned flexible material may not meet the barrier requirements required by the touch panel TP or the display panel DP during the packaging process. At this time, the touch panel TP or the display panel DP can be prevented from being penetrated by the dielectric layer 150 which can block, for example, oxygen and / or water vapor from penetrating through the flexible substrate. In addition to the dielectric layer 150, the gray layer 120 may also have barrier capabilities. The dielectric layer 150 or the gray layer 120 may be disposed between layers in various embodiments of the present invention as required.

Further, please refer to FIG. 1C, which is a schematic bottom view of the touch display panel 100 according to the first embodiment of the present invention. For clarity, FIG. 1C omits the illustration of some film layers. In this embodiment, the first touch circuit layer 142a is, for example, a first touch electrode 142E1 having the same extending direction and a second touch electrode 142E2 having the same extending direction. The extending direction of the first touch electrode 142E1 may be Substantially perpendicular to the extending direction of the second touch electrode 142E2. The second touch circuit layer 142b is, for example, a third touch electrode 142E3 having the same extending direction and a fourth touch electrode 142E4 having the same extending direction, wherein the extending direction of the third touch electrode 142E3 may be substantially perpendicular to the fourth The extending direction of the touch electrode 142E4, the extending direction of the first touch electrode 142E1 may be substantially parallel to the extending direction of the third touch electrode 142E3, and the extending direction of the second touch electrode 142E2 may be substantially parallel to the fourth touch The extending direction of the electrode 142E4. In this embodiment, the touch element layer 140 further includes a plurality of conductive vias 148 and a plurality of bridge lines 146. The conductive via 148 penetrates the second dielectric layer 154, and the second dielectric layer 154 is located between the bridge circuit 146 and the touch circuit layer 142. In one embodiment, a through hole may be formed in the second dielectric layer 154 by etching, grinding drilling, laser drilling, or other processes. Then, a conductive substance is filled in the through hole to form a second through hole. A conductive via 148 is formed in the dielectric layer 154. Each second touch circuit layer 142b is electrically connected to one of the bridge lines 146 on the second dielectric layer 154 through the corresponding conductive via 148, respectively. Therefore, each second touch circuit layer 142b can be electrically connected to the corresponding bridge circuit 146 through the corresponding conductive via 148.

In one embodiment, the touch display panel 100 may further include a substrate protection structure, and the substrate protection structure is disposed on the touch surface TPa. The material of the substrate protection structure is, for example, reinforced glass or quartz glass, and the hardness of the substrate protection structure is, for example, higher than 1H to avoid abrasion or impact of the touch panel TP.

The touch display panel will be described in different embodiments below. It must be noted here that the following embodiments may continue to use the component numbers and parts of the foregoing embodiments, in which the same reference numerals may be used to represent the same or similar components, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the foregoing embodiments, and the following embodiments are not repeated.

FIG. 2A is a schematic cross-sectional view of a touch display panel 200 according to a second embodiment of the present invention. The touch display panel 200 of the second embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 2A to describe the touch panel TP of the touch display panel 200. It is worth noting that, in FIG. 2A, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1A will not be repeated here.

In this embodiment, a color filter layer 222 is provided between each of the filter layers 230. The color filter layer 222 is, for example, a first color that can transmit different color light (for example, red light, blue light, and green light). The filter layer 222r, the second color filter layer 222g, and the third color filter layer 222b. Taking a more common configuration as an example, each color filter layer 222 on the touch panel TP can shield light that does not belong to the light-emitting area EM corresponding to the display panel DP to reduce light leakage from the touch display panel 200. , And can increase the display quality of the touch display panel 200. According to various embodiments of the present invention, a color filter layer 222 may be used as needed.

In one embodiment, the color filter layer 222 can be formed by inkjet printing. The forming method is, for example, forming a filter layer 230 on a substrate, wherein the filter layer 230 has a plurality of openings. Then, an inkjet printing process is performed to spray colorants (red, green, blue) into the openings of the filter layer 230. Then, a thermal baking process is performed to cure the color material to form a color filter layer 222. In the inkjet printing process, the colorant is, for example, a pigment, a dye, or a combination thereof.

It is worth noting that, in the touch display panel 200 of FIG. 2A, the color filter layer 222 may be aligned with the edge of the filter layer 230. In other embodiments, the color filter layer 222 may not be aligned with the edge of the filter layer 230. Specifically, please refer to a schematic cross-sectional view of a touch display panel according to an embodiment of the present invention in FIG. 2B and a schematic cross-sectional view of a touch display panel of another embodiment of the present invention in FIG. 2C. For clarity, FIG. 2B and FIG. 2C Only part of the film is shown. The touch display panel of the embodiment of FIG. 2B is similar to the touch display panel 200 of FIG. 2A. In this embodiment, a color filter layer 222 ′ is provided between each filter layer 230 ′, and the color filter layer 222 ′ and There is a gap SP between the filter layers 230 '. In addition, please refer to a schematic cross-sectional view of a touch display panel according to another embodiment of the present invention in FIG. 2C. The touch display panel of this embodiment is similar to the touch display panel 200 of FIG. 2A. In this embodiment, There is a color filter layer 222 "between each filter layer 230", and the color filter layer 222 "and the adjacent filter layer 230" may partially overlap.

FIG. 3 is a schematic cross-sectional view of a touch display panel 300 according to a third embodiment of the present invention. The touch display panel 300 of the third embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 3 to describe the touch panel TP of the touch display panel 300. It should be noted that in FIG. 3, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1A will not be repeated here.

In this embodiment, the touch display panel 300 may further include a barrier layer 16, wherein the barrier layer 16 may be disposed between the first substrate 110 and the adhesive layer 14, or on the second surface 110 b of the first substrate 110. The water vapor transmission rate of the barrier layer 16 is, for example, less than or equal to 0.1 g / m ² / day. Preferably, the water vapor transmission rate of the barrier layer 16 is less than 0.01 g / m ² / day. In addition, the material of the barrier layer 16 may include an inorganic material, wherein the inorganic material is, for example, silicon oxide, silicon nitride, silicon oxynitride, aluminum oxide, or the like. In addition, the material of the barrier layer 16 may also include a metal material, and the metal material is, for example, molybdenum, titanium, aluminum, chromium, molybdenum / aluminum / molybdenum, or titanium / aluminum / titanium. In this embodiment, the material selection of the barrier layer 16 is related to the position where the barrier layer 16 is provided. Those skilled in the art can select an appropriate material of the barrier layer 16 according to the desired position of the barrier layer 16 so as not to make It is a principle that an abnormal short circuit occurs in the touch circuit layer 142, the touch panel TP, the display panel DP, the conductive via 148, and / or the bridge circuit 146. It is worth mentioning that the present invention does not limit the position, number and type of the barrier layer 16. Although in this embodiment, the barrier layer 16 is disposed between the first substrate 110 and the gray layer 120, the barrier layer 16 may also be disposed on the second surface 110b of the first substrate 110, the gray layer 120 and the filter Between the optical layers 130, between the first dielectric layer 152 and the second dielectric layer 154, and / or between the second dielectric layer 154 and the adhesive layer 14.

FIG. 4 is a schematic cross-sectional view of a touch display panel 400 according to a fourth embodiment of the present invention. The touch display panel 400 of the fourth embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 4 to describe the touch panel TP of the touch display panel 400. It should be noted that in FIG. 4, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1A will not be repeated here. In this embodiment, the touch element layer 440 has a plurality of first touch circuit layers 442a, and the touch element layer 440 is used to detect a signal generated when a user touches the touch display panel 400. A second dielectric layer 454 is formed between the first touch circuit layers 442a. The second dielectric layer 454 may separate the first touch circuit layers 442a. The filter layer 130 is located between the gray layer 120 and the first touch circuit layer 442a.

FIG. 5 is a schematic cross-sectional view of a touch display panel 500 according to a fifth embodiment of the present invention. The touch display panel 500 of the fifth embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 5 to describe the touch panel TP of the touch display panel 500. It is worth noting that in FIG. 5, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1A will not be repeated here. In this embodiment, the first dielectric layer 552 is formed between the touch circuit layer 542 and the filter layer 530, between the filter layers 530, and the first touch circuit layer 542a and the second touch circuit layer 542b. between. The first dielectric layer 552 can separate the touch circuit layer 542 and the filter layer 530, each filter layer 530, and the first touch circuit layer 542a and the second touch circuit layer 542b. The touch element layer 540 further includes a plurality of conductive vias 548 and a plurality of bridge lines 546. The bridge lines 546 are located in the first dielectric layer 552, and the bridge lines 546 are located between the touch circuit layer 542 and the filter layer 530. . The conductive via 548 may penetrate a portion of the first dielectric layer 552, and the first dielectric layer 552 is located between the bridge circuit 546 and the touch circuit layer 542. Each of the second touch circuit layers 542b is electrically connected to one of the bridge lines 546 in the first dielectric layer 552 through the corresponding conductive via 548, respectively. Therefore, each of the second touch circuit layers 542b can be electrically connected to the corresponding bridge circuit 546 through the corresponding conductive via 548.

6A is a schematic bottom view of a touch display panel 600 according to a sixth embodiment of the present invention, and FIG. 6B is a schematic cross-sectional view of the touch display panel 600 according to the sixth embodiment of the present invention. For clarity, FIG. 6A is omitted Part of the film layer, and FIG. 6B is a schematic cross-sectional view taken along section line BB ′ in FIG. 6A. It should be noted that in FIG. 6A, although the second touch circuit layer 642b does not appear on the section line BB ', the projection range of the second touch circuit layer 642b is still drawn in this embodiment to The relative positions of the first touch circuit layer 642a, the second touch circuit layer 642b, and the filter layer 630 are shown. The touch display panel 600 of the sixth embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 6A and FIG. 6B to describe the touch panel TP of the touch display panel 600. It is worth noting that in FIG. 6A and FIG. 6B, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1A will not be repeated here. In this embodiment, the first dielectric layer 652 is formed between the touch circuit layer 642 and the filter layer 630 and between the filter layers 630. The second dielectric layer 654 is formed between the first touch circuit layers 642a, between the second touch circuit layers 642b, and between the first touch circuit layers 642a and the second touch circuit layers 642b. The first dielectric layer 652 can separate the touch circuit layer 642 from the filter layer 630 and each filter layer 630. The second dielectric layer 654 can separate each of the first touch circuit layers 642a, each of the second touch circuit layers 642b, and the first touch circuit layers 642a and the second touch circuit layers 642b. It is worth noting that, in this embodiment, the first touch circuit layer 642a is located between the filter layer 630 and the second touch circuit layer 642b, and the first touch circuit layer 642a and the second touch circuit layer 642b Has different extension directions.

FIG. 7 is a schematic cross-sectional view of a touch display panel 700 according to a seventh embodiment of the present invention. The touch display panel 700 of the seventh embodiment is similar to the touch display panel 600 of FIG. 6B. This embodiment uses FIG. 7 to describe the touch panel TP of the touch display panel 700. It is worth noting that in FIG. 7, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 6 will not be repeated here. In this embodiment, a gray level 720 is formed between the touch circuit layer 742 and the filter layer 730 and between the filter layers 730. The gray level 720 may separate the touch circuit layer 742 and the filter layer 730 and each of the filter layers 730. The second dielectric layer 754 is formed between the first touch circuit layer 742a and the second touch circuit layer 742b. The second dielectric layer 754 can separate each of the first touch circuit layers 742a and each second touch circuit layer. 742b, the first touch circuit layer 742a, and the second touch circuit layer 742b. It is worth noting that, in this embodiment, the first touch circuit layer 742a is located between the filter layer 730 and the second touch circuit layer 742b, and the first touch circuit layer 742a and the second touch circuit layer 742b Has different extension directions.

FIG. 8 is a schematic cross-sectional view of a touch display panel 800 according to an eighth embodiment of the present invention. The touch display panel 800 of the eighth embodiment is similar to the touch display panel 600 of FIG. 6. This embodiment uses FIG. 8 to describe the touch panel TP of the touch display panel 600. It is worth noting that in FIG. 8, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 6 will not be repeated here. In this embodiment, a gray level 820 is formed between the first touch circuit layers 842a, between the second touch circuit layers 842b, and between the first touch circuit layer 842a and the second touch circuit layer 842b. . The gray level 820 may separate each of the first touch circuit layers 842a, each of the second touch circuit layers 842b, and the first touch circuit layers 842a and the second touch circuit layers 842b. The first dielectric layer 852 is formed between the filter layer 830 and the touch circuit layer 842. The first dielectric layer 852 can separate the first touch circuit layer 742a and the filter layer 830. It is worth noting that, in this embodiment, the first touch circuit layer 842a is located between the filter layer 830 and the second touch circuit layer 842b, and the first touch circuit layer 842a and the second touch circuit layer 842b Has different extension directions.

FIG. 9 is a schematic cross-sectional view of a touch display panel 900 according to a ninth embodiment of the present invention. The touch display panel 900 of the ninth embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 9 to describe the touch panel TP of the touch display panel 900. It is worth noting that in FIG. 9, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 1A will not be repeated here. In this embodiment, the first touch circuit layer 942a is disposed on the filter layer 930, and the filter layer 930 is located between the first touch circuit layer 942a and the first substrate 110. The gray layer 920 is formed between the filter layers 930, between the first touch circuit layers 942a, between the second touch circuit layers 942b, and between the first touch circuit layers 942a and the second touch circuit layers 942b. between. The gray level 920 may separate each of the filter layers 930, each of the first touch circuit layers 942a, each of the second touch circuit layers 942b, and the first touch circuit layers 942a and the second touch circuit layers 942b. It is worth noting that, in this embodiment, the first touch circuit layer 942a is located between the filter layer 930 and the second touch circuit layer 942b, and the first touch circuit layer 942a and the second touch circuit layer 942b Has different extension directions.

FIG. 10 is a schematic cross-sectional view of a touch display panel 1000 according to a tenth embodiment of the present invention. The touch display panel 1000 of the tenth embodiment is similar to the touch display panel 600 of FIG. 6. This embodiment uses FIG. 10 to describe the touch panel TP of the touch display panel 1000. It is worth noting that in FIG. 10, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 6 will not be repeated here. In this embodiment, the filter layer 1030 and the first dielectric layer 1052 are disposed on the first surface 110 a of the first substrate 110, and the touch circuit layer 1042 is located between the gray layer 1020 and the filter layer 1030. A second dielectric layer 1054 is formed between the first touch circuit layer 1042a and the second touch circuit layer 1042b. The second dielectric layer 1054 can separate each of the first touch circuit layers 1042a and each second touch circuit layer. 1042b, the first touch circuit layer 1042a and the second touch circuit layer 1042b. It is worth noting that, in this embodiment, the first touch circuit layer 1042a is located between the filter layer 1030 and the second touch circuit layer 1042b, and the first touch circuit layer 1042a and the second touch circuit layer 1042b Has different extension directions.

FIG. 11 is a schematic cross-sectional view of a touch display panel 1100 according to an eleventh embodiment of the present invention. The touch display panel 1100 of the eleventh embodiment is similar to the touch display panel 1000 of FIG. 10. This embodiment uses FIG. 11 to describe the touch panel TP of the touch display panel 1100. It is worth noting that in FIG. 11, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 10 will not be repeated here. In this embodiment, the first touch circuit layer 1142a is disposed on the filter layer 1130, and the filter layer 1130 is located between the first touch circuit layer 1142a and the first substrate 110. The first dielectric layer 1152 is formed between the filter layers 1130, between the first touch circuit layers 1142a, between the second touch circuit layers 1142b, and between the first touch circuit layers 1142a and the second touch. Between the circuit layers 1142b. The first dielectric layer 1152 can separate each of the filter layers 1130, each of the first touch circuit layers 1142a, each of the second touch circuit layers 1142b, the first touch circuit layers 1142a, and the second touch circuit layers 1142b. It is worth noting that, in this embodiment, the first touch circuit layer 1142a is located between the filter layer 1130 and the second touch circuit layer 1142b, and the first touch circuit layer 1142a and the second touch circuit layer 1142b Has different extension directions.

FIG. 12 is a schematic cross-sectional view of a touch display panel 1200 according to a twelfth embodiment of the present invention. The touch display panel 1200 of the twelfth embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 12 to describe the touch panel TP of the touch display panel 1200. It is worth noting that in FIG. 12, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1A will not be repeated here. In this embodiment, the touch element layer 1240 includes a plurality of filtered touch circuits 1244, and the filtered touch circuit 1244 of the touch panel TP corresponds to the position between the sub-pixels and the sub-pixels of the display panel DP. Shield light leakage. In addition, the filter touch circuit 1244 on the touch panel TP can also partially shield the light reflected by the reflective layer 12 of the display panel DP to improve the display quality of the touch display panel 1200. It is worth mentioning that, in this embodiment, the filtered touch circuit 1244 has conductive properties, so a part of the filtered touch circuit 1244 can also be used as the touch circuit layer 1242. In detail, part of the filter touch circuit 1244 can not only absorb light, but also transmit electronic signals, so as to be suitable for sensing electrical changes generated by a user's touch. Therefore, the penetrating light formed by entering the touch panel TP from the touch surface TPa does not cause any reflection by irradiating the touch circuit layer 1242. Therefore, the outside world observes through the touch surface TPa of the touch panel TP. The light signal sent to the display panel DP does not penetrate through the reflected light formed by the touch circuit layer 1242, so the display quality of the touch display panel 1200 can be increased.

In this embodiment, the gray level 1220 is located between the filtered touch circuit 1244 and the first substrate 1210, and a part of the filtered touch circuit 1244 serves as the touch circuit layer 1242. The touch element layer 1240 further includes a plurality of conductive vias 1248 and a plurality of bridge circuits 1246. The bridge circuits 1246 are located between the gray layer 1220 and the first substrate 1210, and the conductive vias 1248 can pass through the gray layer 1220. In this embodiment, a through hole can be formed in the gray layer 1220 by etching, grinding drilling, laser drilling, or other processes, and then a conductive substance is filled in the foregoing through hole to form the gray layer 1220. Conductive 通 孔 1248. Part of the filtered touch circuit 1244 as the touch circuit layer 1242 is electrically connected to one of the bridge circuits 1246 in the gray layer 1220 through the corresponding conductive vias 1248 respectively. Therefore, each touch circuit layer 1242 can be electrically connected to the corresponding bridge circuit 1246 through the corresponding conductive via 1248.

FIG. 13 is a schematic cross-sectional view of a touch display panel 1300 according to a thirteenth embodiment of the present invention. The touch display panel 1300 of the thirteenth embodiment is similar to the touch display panel 1200 of FIG. 12. This embodiment uses FIG. 13 to describe the touch panel TP of the touch display panel 1300. It is worth noting that in FIG. 13, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 12 will not be repeated here. In this embodiment, the filtered touch circuit 1344 is located between the gray level 1320 and the first substrate 1310, and a part of the filtered touch circuit 1344 is used as the touch circuit layer 1342. The touch element layer 1340 further includes a plurality of conductive vias 1348 and a plurality of bridge circuits 1346. The gray layer 1320 is located between the bridge circuit 1346 and the first substrate 1310, and the conductive vias 1348 can penetrate the gray layer 1320. In this embodiment, a through hole can be formed in the gray layer 1320 by etching, grinding drilling, laser drilling, or other processes, and then a conductive substance is filled in the foregoing through hole to form the gray layer 1320. Conductive through hole 1348. Part of the filtered touch circuit 1344 which is the touch circuit layer 1342 is electrically connected to one of the bridge circuits 1346 in the gray layer 1320 through the corresponding conductive vias 1348 respectively. Therefore, each touch circuit layer 1342 can be electrically connected to the corresponding bridge circuit 1346 through the corresponding conductive via 1348.

FIG. 14 is a schematic cross-sectional view of a touch display panel 1400 according to a fourteenth embodiment of the present invention. The touch display panel 1400 of the fourteenth embodiment is similar to the touch display panel 600 of FIG. 6. This embodiment uses FIG. 14 to describe the touch panel TP of the touch display panel 1400. It is worth noting that in FIG. 14, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 6 will not be repeated here. In this embodiment, the gray layer 1420 is located on the second surface 1410b of the first substrate 1410, the first substrate 1410 is located between the filter layer 1430 and the gray layer 1420, and the second surface 1410b of the first substrate 1410 is not in contact. Control surface TPa.

FIG. 15 is a schematic cross-sectional view of a touch display panel 1500 according to a fifteenth embodiment of the present invention. The touch display panel 1500 of the fifteenth embodiment is similar to the touch display panel 1100 of FIG. 11, and this embodiment uses FIG. 15 to describe the touch panel TP of the touch display panel 1500. It should be noted that in FIG. 15, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 11 will not be repeated here. In this embodiment, the gray layer 1520 is located on the second surface 1510b of the first substrate 1510, the first substrate 1510 is located between the filter layer 1530 and the gray layer 1520, and the second surface 1510b of the first substrate 1510 is not in contact. Control surface TPa.

FIG. 16 is a schematic cross-sectional view of a touch display panel 1600 according to a sixteenth embodiment of the present invention. The touch display panel 1600 of the sixteenth embodiment is similar to the touch display panel 600 of FIG. 6. This embodiment uses FIG. 16 to describe the touch panel TP of the touch display panel 1600. It is worth noting that in FIG. 16, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 6 will not be repeated here. In this embodiment, the touch element layer 1640 is disposed on the first surface 1610a of the first substrate 1610, and the filter layer 1630 and the gray layer 1620 are stacked on the second surface 1610b of the first substrate 1610. In detail, the filter layer 1630 is located between the gray layer 1620 and the first substrate 1610, and the first substrate 1610 is located between the filter layer 1630 and the touch element layer 1640. The touch circuit layer 1642 includes a first touch circuit layer 1642a and a second touch circuit layer 1642b, which are electrically insulated from each other. The first touch circuit layer 1642a and the second touch circuit layer 1642b have a second dielectric therebetween. The electrical layer 1654 is configured to electrically insulate the first touch circuit layer 1642a and the second touch circuit layer 1642b from each other. It is worth noting that in this embodiment, the first touch circuit layer 1642a is located between the filter layer 1630 and the second touch circuit layer 1642b, and the first touch circuit layer 1642a and the second touch circuit layer 1642b Has different extension directions.

FIG. 17 is a schematic cross-sectional view of a touch display panel 1700 according to a seventeenth embodiment of the present invention. The touch display panel 1700 of the seventeenth embodiment is similar to the touch display panel 1600 of FIG. 16. This embodiment uses FIG. 17 to describe the touch panel TP of the touch display panel 1700. It is worth noting that in FIG. 17, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 16 will not be repeated here. In this embodiment, the touch element layer 1740 and the gray layer 1720 are disposed on the first surface 1710a of the first substrate 1710, and the filter layer 1730 is stacked on the second surface 1710b of the first substrate 1710. In detail, the first substrate 1710 is located between the filter layer 1730 and the gray layer 1720, and the gray layer 1720 is located between the first substrate 1710 and the touch element layer 1740. The touch circuit layer 1742 includes a first touch circuit layer 1742a and a second touch circuit layer 1742b which are electrically insulated from each other. A second interposer is provided between the first touch circuit layer 1742a and the second touch circuit layer 1742b. The electrical layer 1754 is configured to electrically insulate the first touch circuit layer 1742a and the second touch circuit layer 1742b from each other. It is worth noting that, in this embodiment, the first touch circuit layer 1742a is located between the filter layer 1730 and the second touch circuit layer 1742b, and the first touch circuit layer 1742a and the second touch circuit layer 1742b Has different extension directions.

FIG. 18 is a schematic cross-sectional view of a touch display panel 100 according to an eighteenth embodiment of the present invention. The touch display panel 1800 of the eighteenth embodiment is similar to the touch display panel 1700 of FIG. 17. This embodiment uses FIG. 18 to describe the touch panel TP of the touch display panel 1800. It is worth noting that, in FIG. 18, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 17 will not be repeated here. In this embodiment, the touch element layer 1840 and the gray layer 1820 are disposed on the first surface 1810a of the first substrate 1810, and the filter layer 1830 is stacked on the second surface 1810b of the first substrate 1810. In detail, the first substrate 1810 is located between the filter layer 1830 and the touch element layer 1840, and the touch element layer 1840 is located between the first substrate 1810 and the gray layer 1820. The touch circuit layer 1842 includes a first touch circuit layer 1842a and a second touch circuit layer 1842b which are electrically insulated from each other. A second interposer is provided between the first touch circuit layer 1842a and the second touch circuit layer 1842b. The electrical layer 1854 is configured to electrically insulate the first touch circuit layer 1842a and the second touch circuit layer 1842b from each other. It is worth noting that in this embodiment, the first touch circuit layer 1842a is located between the filter layer 1830 and the second touch circuit layer 1842b, and the first touch circuit layer 1842a and the second touch circuit layer 1842b Has different extension directions.

FIG. 19 is a schematic cross-sectional view of a touch display panel 1900 according to a nineteenth embodiment of the present invention. The touch display panel 1900 of the nineteenth embodiment is similar to the touch display panel 100 of FIG. 1A. This embodiment uses FIG. 19 to describe the touch panel TP of the touch display panel 1900. It is worth noting that in FIG. 19, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 1A will not be repeated here. In this embodiment, the touch element layer 1940 and the gray layer 1920 are disposed on the first surface 110a of the first substrate 1910, and the filter layer 130 is stacked on the second surface 1910b of the first substrate 1910. In detail, the first substrate 1910 is located between the filter layer 1930 and the touch element layer 1940, and the touch element layer 1940 is located between the first substrate 1910 and the gray level 1920. In detail, the first substrate 1910 is located between the filter layer 1930 and the touch element layer 1940. The touch circuit layer 1942 includes a first touch circuit layer 1942a and a second touch circuit layer 1942b which are electrically insulated from each other. There is a gray level 1920 between the first touch circuit layer 1942a and the second touch circuit layer 1942b, so that the first touch circuit layer 1942a and the second touch circuit layer 1942b are electrically insulated from each other. It is worth noting that, in this embodiment, the first touch circuit layer 1942a is located between the filter layer 1930 and the second touch circuit layer 1942b, and the first touch circuit layer 1942a and the second touch circuit layer 1942b Has different extension directions.

FIG. 20 is a schematic cross-sectional view of a touch display panel 2000 according to a twentieth embodiment of the present invention. The touch display panel 2000 of the twentieth embodiment is similar to the touch display panel 1600 of FIG. 16. This embodiment uses FIG. 20 to describe the touch panel TP of the touch display panel 2000. It is worth noting that, in FIG. 20, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 16 will not be repeated here. In this embodiment, the touch element layer 2040 is disposed on the first surface 2010a of the first substrate 2010, and the filter layer 2030 and the gray layer 2020 are stacked on the second surface 110b of the first substrate 2010. In detail, the gray layer 2020 is located between the filter layer 2030 and the first substrate 2010, and the first substrate 2010 is located between the gray layer 2020 and the touch element layer 2040. The touch circuit layer 2042 includes a first touch circuit layer 2042a and a second touch circuit layer 2042b which are electrically insulated from each other. A second interposer is provided between the first touch circuit layer 2042a and the second touch circuit layer 2042b. The electrical layer 2054 is configured to electrically insulate the first touch circuit layer 2042a and the second touch circuit layer 2042b from each other. It is worth noting that, in this embodiment, the first touch circuit layer 2042a is located between the filter layer 2030 and the second touch circuit layer 2042b, and the first touch circuit layer 2042a and the second touch circuit layer 2042b Has different extension directions.

FIG. 21 is a schematic cross-sectional view of a touch display panel 2100 according to a twenty-first embodiment of the present invention. The touch display panel 2100 of the twenty-first embodiment is similar to the touch display panel 2000 of FIG. 20. This embodiment uses FIG. 21 to describe the touch panel TP of the touch display panel 2100. It is worth noting that in FIG. 21, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 20 will not be repeated here. In this embodiment, the filter layer 2130 and the touch element layer 2140 are respectively disposed on two opposite sides of the gray layer 2120, and the filter layer 2130 is located on the touch surface TPa. The touch circuit layer 2142 includes a first touch circuit layer 2142a and a second touch circuit layer 2142b which are electrically insulated from each other. A second interposer is provided between the first touch circuit layer 2142a and the second touch circuit layer 2142b. The electrical layer 2154 is configured to electrically insulate the first touch circuit layer 2142a and the second touch circuit layer 2142b from each other. It is worth noting that in this embodiment, the first touch circuit layer 2142a is located between the filter layer 2130 and the second touch circuit layer 2142b, and the first touch circuit layer 2142a and the second touch circuit layer 2142b Has different extension directions.

FIG. 22 is a schematic bottom view of a touch display panel according to a twenty-second embodiment of the present invention. For clarity, FIG. 22 omits the illustration of some film layers. The touch display panel 2200 of the twenty-second embodiment is similar to the touch display panel 600 of FIG. 6A. This embodiment uses FIG. 22 to describe the touch panel TP of the touch display panel 2200. It is worth noting that in FIG. 22, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 6A will not be repeated here. In this embodiment, the first touch circuit layer 2242a is located between the filter layer 2230 and the second touch circuit layer 2242b, and the first touch circuit layer 2242a and the second touch circuit layer 2242b have different extending directions. . A color filter layer 2222 may be provided between each of the filter layers 2230. The color filter layer 2222 is, for example, a first color filter layer 2222r that can transmit different color light (for example, red, blue, and green light), The second color filter layer 2222g and the third color filter layer 2222b. Taking a more common configuration as an example, each color filter layer 2222 on the touch panel TP can shield light that does not belong to the light emitting area EM corresponding to the display panel DP to reduce light leakage from the touch display panel 2200. And can increase the display quality of the touch display panel 2200.

FIG. 23 is a schematic bottom view of a touch display panel according to a twenty-third embodiment of the present invention. For clarity, FIG. 23 omits the illustration of some film layers. The touch display panel 2300 of the twenty-third embodiment is similar to the touch display panel 300 of FIG. 3. This embodiment uses FIG. 23 to describe the touch panel TP of the touch display panel 2300. It is worth noting that in FIG. 23, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 3 will not be repeated here. In this embodiment, the second touch circuit layer 2342b of the touch panel TP is, for example, a meshed electrode. For example, the second touch circuit layer 2342b is, for example, a first touch electrode 2342E1 having the same extending direction and a second touch electrode 2342E2 having the same extending direction. The extending direction of the first touch electrode 2342E1 may be substantially It is perpendicular to the extending direction of the second touch electrode 2342E2. In the second touch circuit layer 2342b, a portion of the first touch electrode 2342E1 and a portion of the second touch electrode 2342E2 form a first block A1, and the remaining portion of the first touch electrode 234Eb1 and the remaining portion second The touch electrodes 2342E2 form a second block A2, and the first block A1 and the second block A2 can be electrically connected to the corresponding bridge line 2346 through corresponding conductive vias (not shown).

24 is a schematic bottom view of a touch display panel according to a twenty-fourth embodiment of the present invention. For clarity, FIG. 24 omits the illustration of some film layers. The touch display panel 2400 of the twenty-fourth embodiment is similar to the touch display panel 300 of FIG. 3. This embodiment uses FIG. 24 to describe the touch panel TP of the touch display panel 2400. It is worth noting that in FIG. 24, the same or similar reference numerals indicate the same or similar components, so the components explained in FIG. 3 will not be repeated here. In this embodiment, the first touch circuit layer 2442a and the second touch circuit layer 2442b of the touch panel TP are, for example, mesh electrodes. For example, the first touch circuit layer 2442a is, for example, a first touch electrode 2442E1 having the same extending direction and a second touch electrode 2442E2 having the same extending direction. The extending direction of the first touch electrode 2442E1 may be substantially It is perpendicular to the extending direction of the second touch electrode 2442E2. The second touch circuit layer 2442b is, for example, a third touch electrode 2442E3 having the same extending direction and a fourth touch electrode 2442E4 having the same extending direction, wherein the extending direction of the third touch electrode 2442E3 may be substantially perpendicular to the fourth The extension direction of the touch electrode 2442E4, the extension direction of the first touch electrode 2442E1 may be substantially parallel to the extension direction of the third touch electrode 2442E3, and the extension direction of the second touch electrode 2442E2 may be substantially parallel to the fourth touch The extending direction of the electrode 2442E4. In the second touch circuit layer 2342b, a portion of the third touch electrode 2442E3 and a portion of the fourth touch electrode 2442E4 form the first block A1, and the remaining portion of the third touch electrode 2442E3 and the remaining portion fourth The touch electrodes 2442E4 form a second block A2, and the first block A1 and the second block A2 can be electrically connected to the corresponding bridge line 2446 through corresponding conductive vias (not shown).

25 is a schematic bottom view of a touch display panel according to a twenty-fifth embodiment of the present invention. For clarity, FIG. 25 omits the illustration of some film layers. The touch display panel 2500 of the twenty-fifth embodiment is similar to the touch display panel 100 of FIG. 1. This embodiment uses FIG. 25 to describe the touch panel TP of the touch display panel 2500. It should be noted that in FIG. 25, the same or similar reference numerals indicate the same or similar components, so the components described in FIG. 1 will not be repeated here. In this embodiment, at least one side of the touch panel TP has an electrode collection region ER. The electrode collection region ER has a plurality of connection electrodes CE, and each connection electrode CE may be electrically connected to the corresponding first touch circuit layer 2542a or the second touch circuit layer 2542b. In one embodiment, the material of the connection electrode CE may be the same as that of the first touch circuit layer 2542a or the second touch circuit layer 2542b. In another embodiment, the material of the connection electrode CE may be different from the first touch circuit layer 2542a or the second touch circuit layer 2542b. Specifically, the material of the connection electrode CE is, for example, metal, and the material of the first touch circuit layer 2542a or the second touch circuit layer 2542b is, for example, a conductive photoresist, but the present invention is not limited thereto.

In summary, a touch display panel according to an embodiment of the present invention can improve display quality.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the appended patent application scope and its equivalent scope.

100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2100, 2200, 2300, 2400, 2500‧ ‧‧Touch display panel

DP‧‧‧ Display Panel

TP‧‧‧Touch Panel

TPa‧‧‧Touch surface

110, 1210, 1310, 1410, 1510, 1610, 1710, 1810, 1910, 2010‧‧‧ First substrate

110a, 1210a, 1310a, 1410a, 1510a, 1610a, 1710a, 1810a, 1910a, 2010a‧‧‧ First surface

110b, 1210b, 1310b, 1410b, 1510b, 1610b, 1710b, 1810b, 1910b, 2010b‧‧‧ Second surface

120, 720, 820, 920, 1020, 1120, 1220, 1320, 1420, 1520, 1620, 1720, 1820, 1920, 2020, 2120

222, 222 ’, 222”, 2222‧‧‧ color filters

222r, 222r ’, 222r”, 2222r‧‧‧ first color filter layer

222g, 222g ’, 222g”, 2222g‧‧‧Second color filter layer

222b, 222b ’, 222b”, 2222b‧‧‧ Third color filter

SP‧‧‧ Clearance

130, 230, 230 ’, 230”, 530, 630, 730, 830, 930, 1030, 1130, 1430, 1530, 1630, 1730, 1830, 1930, 2030, 2130, 2230‧‧‧ filter layers

140, 440, 540, 1240, 1340, 1640, 1740, 1840, 1940, 2040, 2140‧‧‧ touch element layer

142, 542, 642, 742, 842, 942, 1042, 1142, 1242, 1342, 1642, 1742, 1842, 1942, 2042, 2142‧‧‧ touch circuit layer

142a, 442a, 542a, 642a, 742a, 842a, 942a, 1042a, 1142a, 1442a, 1542a, 1642a, 1742a, 1842a, 1942a, 2042a, 2142a, 2242a, 2342a, 2442a, 2542a‧‧‧The first touch line layer

142b, 542b, 642b, 742b, 842b, 942b, 1042b, 1142b, 1442b, 1542b, 1642b, 1742b, 1842b, 1942b, 2042b, 2142b, 2242b, 2342b, 2442b, 2542b‧‧‧The second touch line layer

142E1, 2342E1, 2442E1, 2542E1‧‧‧ the first touch electrode

142E2, 2342E2, 2442E2, 2542E2‧‧‧ Second touch electrode

142E3, 2442E3, 2542E3‧‧‧Third touch electrode

142E4, 2442E4, 2542E4‧‧‧ Fourth touch electrode

A1‧‧‧ Block 1

A2‧‧‧The second block

A3‧‧‧The third block

A4‧‧‧The fourth block

ER‧‧‧ electrode collection area

CE‧‧‧Connecting electrode

1244, 1344‧‧‧Filtered touch circuit

146, 546, 1246, 1346, 2346, 2446, 2546‧‧‧bridged lines

148, 548, 1248, 1348‧‧‧ conductive via

150‧‧‧ Dielectric layer

152, 552, 652, 852, 1052, 1152, 1452, 1552‧‧‧ first dielectric layer

154, 454, 754, 1054, 1454, 1654, 1754, 1854, 2154‧‧‧ second dielectric layer

L‧‧‧ Outside light

10‧‧‧ second substrate

12‧‧‧Reflective layer

14‧‧‧ Adhesive layer

16‧‧‧ barrier layer

EM‧‧‧light-emitting area

EMr‧‧‧The first light-emitting area

EMg‧‧‧Second luminous area

EMb‧‧‧ third light-emitting area

PE1‧‧‧first pixel electrode

PE2‧‧‧second pixel electrode

EML‧‧‧Light-emitting layer

FIG. 1A is a schematic cross-sectional view of a touch display panel according to a first embodiment of the present invention. FIG. 1B is a partially enlarged schematic view of the light emitting area EM in FIG. 1A. FIG. 1C is a schematic bottom view of a touch display panel according to a first embodiment of the present invention. FIG. 2A is a schematic cross-sectional view of a touch display panel according to a second embodiment of the present invention. FIG. 2B is a schematic cross-sectional view of a touch display panel according to an embodiment of the invention. 2C is a schematic cross-sectional view of a touch display panel according to another embodiment of the present invention. 3 is a schematic cross-sectional view of a touch display panel according to a third embodiment of the present invention. 4 is a schematic cross-sectional view of a touch display panel according to a fourth embodiment of the present invention. 5 is a schematic cross-sectional view of a touch display panel according to a fifth embodiment of the present invention. 6A is a schematic bottom view of a touch display panel according to a sixth embodiment of the present invention. 6B is a schematic cross-sectional view of a touch display panel according to a sixth embodiment of the present invention. FIG. 7 is a schematic cross-sectional view of a touch display panel according to a seventh embodiment of the present invention. 8 is a schematic cross-sectional view of a touch display panel according to an eighth embodiment of the present invention. FIG. 9 is a schematic cross-sectional view of a touch display panel according to a ninth embodiment of the present invention. FIG. 10 is a schematic cross-sectional view of a touch display panel according to a tenth embodiment of the present invention. 11 is a schematic cross-sectional view of a touch display panel according to an eleventh embodiment of the present invention. FIG. 12 is a schematic cross-sectional view of a touch display panel according to a twelfth embodiment of the present invention. 13 is a schematic cross-sectional view of a touch display panel according to a thirteenth embodiment of the present invention. 14 is a schematic cross-sectional view of a touch display panel according to a fourteenth embodiment of the present invention. 15 is a schematic cross-sectional view of a touch display panel according to a fifteenth embodiment of the present invention. 16 is a schematic cross-sectional view of a touch display panel according to a sixteenth embodiment of the present invention. FIG. 17 is a schematic cross-sectional view of a touch display panel according to a seventeenth embodiment of the present invention. 18 is a schematic cross-sectional view of a touch display panel according to an eighteenth embodiment of the present invention. FIG. 19 is a schematic cross-sectional view of a touch display panel according to a nineteenth embodiment of the present invention. 20 is a schematic cross-sectional view of a touch display panel according to a twentieth embodiment of the present invention. 21 is a schematic cross-sectional view of a touch display panel according to a twenty-first embodiment of the present invention. 22 is a schematic bottom view of a touch display panel according to a twenty-second embodiment of the present invention. FIG. 23 is a schematic bottom view of a touch display panel according to a twenty-third embodiment of the present invention. 24 is a schematic bottom view of a touch display panel according to a twenty-fourth embodiment of the present invention. 25 is a schematic bottom view of a touch display panel according to a twenty-fifth embodiment of the present invention.

Claims (24)

A touch display panel includes: a display panel having a reflective layer; and a touch panel disposed on the display panel, the touch panel having a touch surface, the touch panel including a filter layer, A gray layer and a touch element layer, light entering the touch panel and the display panel from the touch surface is reflected by the reflective layer, and the optical density ratio of the filter layer and the gray layer to visible light is N, N is between 1 and 40, and the gray level is set in the touch panel in a comprehensive manner. The touch display panel according to item 1 of the scope of patent application, wherein the touch panel further includes a substrate, and the filter layer, the gray level, and the touch element layer are disposed on the substrate, and the substrate has a A second surface of the first surface opposite to the first surface, the filter layer, the gray layer, and the touch element layer are stacked on the first surface of the substrate, and the second surface of the substrate is the Touch surface. The touch display panel according to item 2 of the patent application scope, wherein the gray layer is located on the first surface, and the filter layer is located between the touch element layer and the gray layer. The touch display panel according to item 2 of the scope of patent application, wherein the filter layer is located on the first surface, and the gray layer is located between the touch element layer and the filter layer. The touch display panel according to item 1 of the scope of patent application, wherein the touch element layer includes a first touch circuit layer and a second touch circuit layer, which are electrically insulated from each other. It is located between the second touch circuit layer and the filter layer, and the gray level is located between the first touch circuit layer and the second touch circuit layer. The touch display panel according to item 5 of the patent application scope further includes a dielectric layer, wherein the first touch circuit layer and the filter layer are electrically insulated from each other by the dielectric layer. The touch display panel according to item 5 of the patent application, wherein the first touch circuit layer is in contact with the filter layer. The touch display panel according to item 1 of the application, wherein the touch element layer is located between the gray layer and the filter layer. The touch display panel according to item 8 of the scope of patent application, wherein the touch element layer includes a first touch circuit layer and a second touch circuit layer, which are electrically insulated from each other. It is located between the second touch circuit layer and the filter layer, and the first touch circuit layer is electrically insulated from the filter layer. The touch display panel according to item 8 of the scope of patent application, wherein the touch element layer includes a first touch circuit layer and a second touch circuit layer, which are electrically insulated from each other. It is located between the second touch circuit layer and the filter layer, and the first touch circuit layer is in contact with the filter layer. The touch display panel according to item 2 of the scope of patent application, wherein the substrate has a second surface opposite to the first surface, and the filter layer and the touch element layer are stacked on the substrate. On the first surface, the gray layer is disposed on the second surface, and the second surface of the substrate is the touch surface. The touch display panel according to item 2 of the scope of patent application, wherein the substrate has a second surface opposite to the first surface, and the touch element layer is disposed on the first surface of the substrate. The filter layer and the gray layer are stacked on the second surface, and the second surface of the substrate is the touch surface. The touch display panel according to item 2 of the scope of patent application, wherein the substrate has a second surface opposite to the first surface, the gray level and the touch element layer are stacked on the substrate. On the first surface, the filter layer is disposed on the second surface, and the second surface of the substrate is the touch surface. The touch display panel according to item 13 of the application, wherein the gray level is located between the touch element layer and the substrate. The touch display panel according to item 13 of the application, wherein the touch element layer is located between the gray layer and the substrate. The touch display panel according to item 13 of the application, wherein the touch element layer includes a first touch circuit layer and a second touch circuit layer, which are electrically insulated from each other. It is located between the second touch circuit layer and the substrate, and the first touch circuit layer is electrically insulated from the second touch circuit layer by the gray layer. The touch display panel according to item 2 of the scope of patent application, wherein the material of the substrate includes inorganic particles, and the inorganic particles include silicon dioxide, aluminum oxide, zirconia, vanadium oxide, chromium oxide, iron oxide, and antimony oxide. , Tin oxide, titanium dioxide, or a combination thereof. The touch display panel according to item 1 of the scope of patent application, wherein the filter layer and the touch element layer are respectively disposed on two opposite sides of the gray layer. The touch display panel according to item 1 of the scope of patent application, wherein the touch panel further includes a color filter layer, and the color filter layer is located between the filter layers. The touch display panel according to item 1 of the patent application scope, wherein the touch element layer includes a plurality of touch electrodes, a plurality of conductive vias and at least one touch bridge, and the conductive vias are located on the touch panels. Between the control electrode and the touch bridge, and some of the touch electrodes are electrically connected to the touch bridge through the conductive vias, respectively. A touch display panel includes: a display panel having a reflective layer; and a touch panel disposed on the display panel. The touch panel has a touch surface. The touch panel includes a gray layer and a A touch element layer, wherein the touch element layer includes a plurality of filtered touch lines and a plurality of bridge lines, and some of the filtered touch lines are electrically connected to each other through the bridge lines and enter from the touch surface The light from the touch panel and the display panel is reflected by the reflective layer, and the optical density ratio of the filtered touch lines and the gray level to visible light is N, and N is between 1 and 40. The touch display panel according to item 21 of the application, wherein the touch panel further includes a substrate, the bridge circuits are disposed on the substrate, and the gray layer is disposed on the substrate to cover the bridge circuits. The filter touch circuits are disposed on the gray level. The touch display panel according to item 21 of the patent application scope, wherein the touch panel further includes a substrate, the filter touch circuits are disposed on the substrate, and the gray level is disposed on the substrate to cover the substrates. The touch circuit is filtered, and the bridge circuits are disposed on the gray level. The touch display panel according to item 21 of the scope of patent application, wherein the gray layer is disposed in the touch panel in a comprehensive manner.