CN107272242B - Display screen manufacturing method and display screen - Google Patents
Display screen manufacturing method and display screen Download PDFInfo
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- CN107272242B CN107272242B CN201710628753.0A CN201710628753A CN107272242B CN 107272242 B CN107272242 B CN 107272242B CN 201710628753 A CN201710628753 A CN 201710628753A CN 107272242 B CN107272242 B CN 107272242B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000002834 transmittance Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims description 121
- 239000010410 layer Substances 0.000 claims description 28
- 239000006260 foam Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 18
- 239000011241 protective layer Substances 0.000 claims description 18
- 229920001621 AMOLED Polymers 0.000 claims description 9
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 239000010408 film Substances 0.000 description 23
- 239000006059 cover glass Substances 0.000 description 21
- 239000004973 liquid crystal related substance Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 12
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- 239000010409 thin film Substances 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 150000002148 esters Chemical class 0.000 description 1
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a display screen manufacturing method and a display screen, and relates to the technical field of display screens. Wherein the method comprises the following steps: for a first type of module with hardness exceeding a set hardness threshold in a display screen, setting an area of the first type of module, which corresponds to at least a set functional device, as a structure with the hardness exceeding the set light transmittance threshold when being electrified; and for the second type of module with the hardness not exceeding the set hardness threshold value in the display screen, digging holes in the area of the second type of module at least corresponding to the set functional device. According to the embodiment of the invention, the approximately transparent area with higher light transmittance can be formed on the display screen by arranging the high-light-transmittance structure and digging the hole, so that the functional device can be arranged below the display screen, and the function can be realized through the approximately transparent area without being arranged on the top of the display screen, thereby fully utilizing the top area of the display screen, greatly improving the screen occupation ratio of the mobile terminal and ensuring the normal work of the functional device.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a display screen manufacturing method and a display screen.
Background
In the very general present day of mobile terminals, the appearance design of the mobile terminals is receiving more and more attention, wherein, a large screen terminal with a relatively large screen occupation ratio is gradually becoming one of the mainstream designs of the mobile terminals. The large screen terminal can promote the game entertainment experience of the user, is favorable for split screen display, and the science and technology of the whole machine is more highly felt, so that stronger visual impact can be brought to the user.
At present, in order to increase the screen occupation ratio of the mobile terminal, functional devices such as a front camera, an infrared photosensitive sensor and a receiver can be arranged adjacent to the screen, namely the functional devices are arranged at the top end of the screen, and meanwhile, the size of the functional devices is required to be reduced through structural design, so that the proportion of the functional devices in the longitudinal direction of the mobile terminal is reduced, and the screen occupation ratio of the mobile terminal is increased.
The inventor finds that the structure of the functional devices such as the front-facing camera, the infrared photosensitive sensor and the receiver is updated slowly, and the volume of the functional devices cannot be reduced without limit when applying the prior art, so that the mode of reducing the volume of the functional devices through the structural design is very limited, and in practical application, a frame still needs to be arranged to shield the functional devices, so that the screen occupation ratio of the mobile terminal cannot be further improved.
Disclosure of Invention
The invention provides a display screen manufacturing method and a display screen, and aims to solve the problem that the screen occupation ratio of the current mobile terminal cannot be further improved.
According to a first aspect of the present invention, there is provided a display screen manufacturing method applied to a mobile terminal, the method including:
for a first type of module with hardness exceeding a set hardness threshold in a display screen, setting an area of the first type of module, which corresponds to at least a set functional device, as a structure with the hardness exceeding the set light transmittance threshold when being electrified;
and for the second type of module with the hardness not exceeding the set hardness threshold value in the display screen, digging holes in the area of the second type of module at least corresponding to the set functional device.
According to a second aspect of the present invention, there is provided a display screen comprising:
the first type of module with hardness exceeding a set hardness threshold comprises a color filter and Thin Film Transistor (TFT) glass; the second type of module with the hardness not exceeding the set hardness threshold comprises a first polaroid, a second polaroid and a backlight source;
the color filter, the TFT glass, the second polarizer and the backlight source are sequentially arranged on one side of the first polarizer, which is close to the setting functional device;
the first polaroid is provided with a through hole in the area corresponding to the set functional device;
the color filter is provided with light resistance ink in the area corresponding to the display screen except the area corresponding to the set functional device;
indium Tin Oxide (ITO) wires are arranged in the TFT glass at least corresponding to the area of the set functional device;
the second polaroid is provided with a through hole in the area corresponding to the set functional device;
the backlight source is provided with a through hole in the area corresponding to the set functional device.
According to a third aspect of the present invention, there is provided a display screen comprising:
the first type of module with hardness exceeding a set hardness threshold comprises LTPS glass; the second type of module with the hardness not exceeding the set hardness threshold comprises a polaroid, an LTPS glass protective film and a foam protective layer;
the LTPS glass, the LTPS glass protective film and the foam protective layer are sequentially arranged on one side, close to the set functional device, of the polarizer;
the polaroid is provided with a through hole in the area corresponding to the set functional device;
the LTPS glass is provided with a luminescent material layer in the area corresponding to the display screen except the area corresponding to the set functional device;
indium Tin Oxide (ITO) routing is arranged in the LTPS glass at least corresponding to the area of the set functional device;
the LTPS glass protective film is provided with a through hole in the area corresponding to the set functional device;
the foam protective layer is provided with through holes in the area corresponding to the set functional device.
Thus, in the embodiment of the invention, for the first type module with hardness exceeding the set hardness threshold in the display screen, at least the area of the first type module corresponding to the set functional device can be set to be a structure larger than the set light transmittance threshold when being powered on, and for the second type module with hardness not exceeding the set hardness threshold in the display screen, holes can be dug in the area of the second type module corresponding to the set functional device, so that an approximately transparent area with high light transmittance can be formed on the display screen, and the functional device can be arranged below the display screen, and can realize functions through the approximately transparent area without being arranged on the top of the display screen, so that the top area of the display screen can be fully utilized, the screen occupation ratio of the mobile terminal is greatly improved, and the normal work of the functional device can be ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a flow chart illustrating a method of manufacturing a display panel in an embodiment of the invention;
FIG. 2A shows a flow chart of another display screen manufacturing method in an embodiment of the invention;
FIG. 2B is a schematic diagram of a display screen according to an embodiment of the present invention;
FIG. 2C is a schematic diagram of a color filter according to an embodiment of the invention;
FIG. 2D is a schematic diagram illustrating a color filter after removing photoresist ink corresponding to a camera area according to an embodiment of the invention;
FIG. 2E shows a schematic structural diagram of a TFT glass in an embodiment of the present invention;
FIG. 3A is a flow chart showing a third method of manufacturing a display panel in an embodiment of the present invention;
fig. 3B is a schematic structural diagram of another display screen in the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example one
Referring to fig. 1, a flowchart of a display screen manufacturing method according to a first embodiment of the present invention is shown, which may specifically include the following steps:
In the embodiment of the invention, in order to improve the screen occupation ratio of the mobile terminal, the original design of the display screen can be improved, namely, a part of functional devices originally arranged at the top end of the display screen can be transferred to the lower part of the display screen, so that the whole screen can be used for displaying. However, for the functional device shifted to the lower side of the display screen, it is necessary to ensure the normal operation of the functional device, and especially for the functional device such as a camera which cannot normally operate when being shielded by the light blocking device, so that the functional device is not shielded as much as possible, the area of the first type module in the display screen corresponding to the set functional device at least can be set to be a structure which is larger than the set light transmittance threshold value when being powered on, so that the light transmittance of the display screen can be increased.
It should be noted that the first type of module in the display screen may be a glass element with higher hardness, for example, in a TFT (Thin Film Transistor) display screen, the first type of module may include a liquid crystal panel composed of a color filter, a liquid crystal layer and TFT glass, and for example, in an AMOLED (Active-matrix organic light emitting diode) display screen, the first type of module may include Encap (package) glass and LTPS (Low Temperature polysilicon) glass. To first type module in the display screen, because its hardness is higher, the cutting degree of difficulty is great, consequently can not cut first type module, but set up the regional setting of setting for the function device with first type module at least to be greater than the structure of setting for the luminousness threshold value when circular telegram to through the luminousness that improves first type module, make first type module correspond the region of setting for the function device at least and become to be close transparent structure, and then set for the function device and can realize its function through being close transparent structure.
In addition, the setting function device may include at least a function device that cannot normally operate when the camera and the like are shielded by the light blocking device, and certainly, in practical applications, the setting function device may further include a function device that can still normally operate when the infrared photosensor, the receiver and the like are shielded by the light blocking device, so that the function of the function device can be better realized.
And 102, for a second type of module with hardness not exceeding a set hardness threshold value in the display screen, digging holes in the second type of module at least corresponding to the region of the set functional device.
In the embodiment of the present invention, the second type of module in the display screen may be a thin film type element with lower hardness, for example, in a TFT display screen, the second type of module may include a first polarizer, a second polarizer and a backlight source, and for example, in an AMOLED display screen, the second type of module may include a polarizer, an LTPS glass protection film and a foam protection layer. To the second type module in the display screen, because its hardness is lower, the cutting degree of difficulty is less, consequently can correspond the regional hole of digging of setting for the function device with second type module at least, need not to carry out institutional advancement to second type module to can improve the luminousness of second type module, make and set for the function device and can realize its function through digging the hole structure.
In the embodiment of the invention, for the first type module with hardness exceeding the set hardness threshold in the display screen, at least the area of the first type module corresponding to the set functional device can be set to be a structure which is larger than the set light transmittance threshold when being electrified, and for the second type module with hardness not exceeding the set hardness threshold in the display screen, holes can be dug in the area of the second type module corresponding to the set functional device, so that an approximately transparent area with high light transmittance can be formed on the display screen, and the functional device can be arranged below the display screen, and can realize functions through the approximately transparent area without being arranged on the top of the display screen, so that the top area of the display screen can be fully utilized, the screen occupation ratio of the mobile terminal is greatly improved, and the normal work of the functional device can be ensured.
Example two
Referring to fig. 2A, a flowchart of a display screen manufacturing method according to a second embodiment of the present invention is shown, where the display screen may be a TFT display screen, the first type of module may include cover plate glass, a color filter, a liquid crystal layer, and TFT glass, the second type of module may include a first polarizer, a second polarizer, and a backlight source, and the setting function device may be a camera, and specifically, the method may include the following steps:
Referring to fig. 2B, a schematic diagram of the structure of the TFT display panel of the present invention is shown. As shown in fig. 2B, the cover glass 21 is located on the outermost surface of the display panel, the first polarizer 22 is located below the cover glass 21, the space between the two is filled with an OCA (optically clear Adhesive) optical glue 29, a liquid crystal panel is located below the first polarizer 22, the liquid crystal panel sequentially includes a color filter 23, a liquid crystal layer 24 and a TFT glass 25 from top to bottom, a second polarizer 26 and a backlight 27 are located below the liquid crystal panel, and the camera 28 may be disposed below the liquid crystal panel.
It should be noted that the cover glass 21 is generally a relatively thick transparent glass for protecting other devices inside the display screen. The OCA optical adhesive 29 is a transparent adhesive layer, which functions similar to a double-sided adhesive tape and can bond the cover glass 21 and the first polarizer 22, and the liquid crystal panel under the first polarizer 22. The first polarizer 22 and the second polarizer 26 have the same function, and can convert 360-degree natural light into polarized light with a specific direction. The liquid crystal panel is a main functional device of the display screen, wherein the color filter 23 can filter out light with required color from white light, and liquid crystal molecules in the liquid crystal layer 24 can be twisted when being electrified, so that the liquid crystal molecules can regularly refract light passing through the liquid crystal molecules, the display performance of the display screen is improved, and the TFT glass 25 can be used for controlling the on-off of each pixel point. Backlight 27 may provide the light required to illuminate the display.
In the embodiment of the present invention, as for the cover glass 21, since the cover glass 21 itself is transparent, no treatment may be performed on the cover glass 21. For the first polarizer 22 below the cover glass 21, since the first polarizer 22 can transmit light in a specific direction, the transmittance is relatively low, and therefore the light transmittance needs to be increased, the first polarizer 22 is usually a polarizing material film, and the hardness is relatively low, so that a hole can be drilled in the area of the first polarizer 22 corresponding to the camera 28, so as to form a through hole in the first polarizer 22, and further increase the transmittance of the display screen corresponding to the camera area.
In the embodiment of the present invention, the color filter 23 is generally formed by coating a light-blocking ink and an ITO (Indium Tin oxide) conductive film for filtering different colors on a glass substrate, so that when the white light of the backlight 27 is irradiated to the color filter 23, the color filter 23 can filter out light of a desired color, for example, in fig. 2C, a color filter of an RGB (Red Green Blue ) color space can respectively filter out three primary colors of Red light, Green light and Blue light, so that different colors can be displayed by different combinations of the three primary colors.
However, although the color filter 23 can transmit light, the light transmittance is low because a large part of light is absorbed, and in order to enable the camera 28 disposed below the display screen to perform normal imaging, the light blocking layer in the color filter 23 needs to be removed, that is, when the color filter 23 is manufactured, the light blocking ink in the circular area of the color filter 23 corresponding to the camera 28 can be removed by the light blocking ink remover, or the light blocking ink can not be coated in the circular area corresponding to the camera 28, as shown in fig. 2D, and meanwhile, since the glass substrate and the ITO conductive film of the color filter 23 are both transparent high-transmittance devices, a transparent area can be formed in the area of the color filter 23 corresponding to the camera 28, and the light transmittance of the area of the display screen corresponding to the camera is increased.
It should be noted that, compared with the hardness of a tool bit for cutting thin film devices, the hardness of the glass substrate of the color filter is relatively high, and the device with relatively high hardness is worn relatively greatly by using a drilling and grinding method, so that the hole of the color filter is not dug, but the light blocking layer in the color filter is removed, so that the wear of the color filter can be reduced, and the manufacturing process of the color filter is simplified.
In addition, although the liquid crystal layer 24 below the color filter 23 is not transparent when the liquid crystal layer 24 is not energized, it is almost transparent when energized, and the camera is also required to operate under a condition where the screen is energized and lit, so that no processing may be performed on the liquid crystal layer 24.
And step 203, arranging ITO wiring in the area of the TFT glass at least corresponding to the camera.
In the embodiment of the present invention, referring to fig. 2E, a schematic structural diagram of the TFT glass 25 in the TFT display panel of the present invention is shown, where the TFT glass 25 includes a plurality of pixel electrodes 251, a plurality of switch traces 252, a plurality of data traces 253 perpendicular to the plurality of switch traces 252 and disposed in an insulated manner, and a plurality of TFT switches 254.
The pixel electrodes 251 can be formed by sputtering a gate material film on a glass substrate, and then exposing, developing and dry etching, and each pixel electrode 251 is respectively consistent with each piece of light resistance ink of the color filter in fig. 2C in size and corresponds to each other one by one; the TFT switch 254 is a PNP triode or NPN triode fabricated by a semiconductor process; the drain of each TFT switch 254 is connected to the adjacent pixel electrode 251; the gate of each TFT switch 254 is connected to an adjacent switch trace 252, and the switch trace 252 can control the TFT switch 254 to be turned on and off by applying a gate voltage to the TFT switch 254; the source of each TFT switch 254 is connected to an adjacent data trace 253, and the data trace 253 can control the voltage of the pixel electrode 251 by a source voltage applied to the TFT switch 254, wherein the source voltage applied to the TFT switch 254 by the data trace 253 is derived from a control signal transmitted to the data trace by the display driver chip.
Generally, the switch wire 252 and the data wire 253 are metal wires of a molybdenum/aluminum/molybdenum sandwich structure, and the light transmittance of the metal wires is extremely low, so that an ITO wire can be arranged in an area of the TFT glass corresponding to at least the camera, that is, a transparent wire capable of ensuring normal operation of the TFT can be formed, so that an approximately transparent area can be formed in an area of the TFT glass 25 corresponding to the camera 28, and the light transmittance of the display screen corresponding to the camera area is increased.
Specifically, this step can be implemented by any one of two implementations, including:
the first mode is as follows: and arranging ITO wiring at the wiring position in the TFT glass.
The second mode is as follows: and ITO wiring is arranged at the wiring position of the area belonging to the camera in the TFT glass.
For the first mode, because the transparent ITO wiring can replace metal wiring to normally work, all wiring in the TFT glass can be replaced by ITO wiring. To above-mentioned second mode, although transparent ITO is walked the line and can be replaced the metal to walk and carry out normal work, but ITO walks to be great for the impedance of metal wiring, and driver IC's load can increase, influences the display performance, consequently, can set up ITO in TFT glass each line position department of walking that belongs to the camera region and walk the line, and other regions still set up the metal and walk the line to when the luminousness that the increase display screen corresponds the camera region, can reduce the influence to the display performance.
And 204, digging holes in the area of the second polaroid corresponding to the camera.
In the embodiment of the present invention, as for the second polarizer 26 below the TFT glass 25, similar to the first polarizer 22, since the second polarizer 26 can transmit light in a specific direction, the transmittance is relatively low, and therefore, it needs to be processed to increase the transmittance, and the second polarizer 26 is usually a polarizing material film with relatively low hardness, so that a hole can be dug in a region of the second polarizer 26 corresponding to the camera 28, so as to form a through hole on the second polarizer 26, and further increase the transmittance of the display screen corresponding to the camera region.
And step 205, digging holes in the area of the backlight source corresponding to the camera.
In the embodiment of the present invention, for the backlight 27 under the second polarizer 26, the backlight 27 generally includes an LED (Light Emitting Diode) tube, a reflective plate, a Light guide plate and an optical film on one side of the display screen. The LED lamp tube is located on the side of the display screen, so that the camera shooting function of the camera 28 is not affected, the reflecting plate, the light guide plate and the optical diaphragm are usually made of an ester material film layer or a plastic material film layer, the hardness of the backlight 27 is low, the cutting process is simple, holes can be dug in the area, corresponding to the camera 28, of the backlight 27, through holes are formed in the backlight 27, and the light transmittance of the display screen, corresponding to the camera area, is increased.
It should be noted that, for the second type of module that needs to dig the hole, only the area of the second type of module corresponding to the camera may be dug, and certainly, in practical applications, the second type of module may also be dug corresponding to a set area including the camera area, for example, the camera area may be a circle, and the set area may be a circumscribed square of the circle, so that the area of the second type of module corresponding to the circumscribed square may be dug, and the size and the shape of the set area are not specifically limited in the embodiment of the present invention.
In addition, because the area of the display screen corresponding to the camera still has a part of devices with low transparency, such as the TFT switch 254 in the TFT glass 25, in practical application, the image taken by the camera can be processed by the image processing algorithm corresponding to the display screen of the present invention, so as to reduce the distortion degree of the image.
So far, to the region that first type module corresponds the camera at least in the TFT display screen, can guarantee that this region luminousness is greater than and sets for the luminousness threshold value when the circular telegram, also be greater than the required luminousness of camera can normal work, to the region that first type module corresponds the camera at least in the TFT display screen, can dig the hole with this region, thereby further increased the luminousness that the display screen corresponds the camera region, and when increase mobile terminal's screen accounts for the ratio, can guarantee the normal work of camera.
In the embodiment of the invention, for the first type module with hardness exceeding the set hardness threshold in the display screen, at least the area of the first type module corresponding to the set functional device can be set to be a structure which is larger than the set light transmittance threshold when being electrified, and for the second type module with hardness not exceeding the set hardness threshold in the display screen, holes can be dug in the area of the second type module corresponding to the set functional device, so that an approximately transparent area with high light transmittance can be formed on the display screen, and the functional device can be arranged below the display screen, and can realize functions through the approximately transparent area without being arranged on the top of the display screen, so that the top area of the display screen can be fully utilized, the screen occupation ratio of the mobile terminal is greatly improved, and the normal work of the functional device can be ensured.
EXAMPLE III
Referring to fig. 3A, a flowchart of a method for manufacturing a display screen according to a third embodiment of the present invention is shown, where the display screen may be an AMOLED display screen, the first type of module may include cover plate glass, Encap glass, and LTPS glass, the second type of module may include a polarizer, an LTPS glass protection film, and a foam protection layer, and the setting function device may be a camera, and specifically includes the following steps:
Referring to fig. 3B, a schematic structural diagram of the AMOLED display screen of the present invention is shown. As shown in fig. 3B, the cover glass 31 is located on the outermost surface of the display panel, the polarizer 32 is located below the cover glass 31, the OCA optical cement 38 fills the gap between the cover glass 31 and the polarizer 32, the Encap glass 33 and the LTPS glass 34 are located below the polarizer 32, the glass cement 310 is filled between the Encap glass 33 and the LTPS glass 34 along the frame, so as to bond the Encap glass 33 and the LTPS glass 34, a sealed vacuum layer 39 is formed between the Encap glass 33 and the LTPS glass 34, and the LTPS glass protective film 35 and the foam protective layer 36 are located below the LTPS glass 34, wherein the camera 37 may be located below the LTPS glass 34.
It should be noted that the cover glass 31 is generally a relatively thick transparent glass for protecting other devices inside the display screen. OCA optical adhesive 38 is a layer of transparent adhesive that functions similar to double-sided adhesive to bond cover glass 31 and polarizer 32, as well as Encap glass 33 under polarizer 32. Polarizer 32 may convert 360 degrees of natural light into polarized light of a particular direction. The Encap glass 33, in cooperation with the glass paste 310, prevents air from contacting the integrated circuit structure of the LTPS glass 34, thereby encapsulating and protecting the upper surface of the LTPS glass 34. A layer of light emitting material is formed on the LTPS glass 34, and the light emitting material can emit light when the LTPS glass 34 is powered on, thereby providing a light source for the display screen, and an integrated circuit board is included in the LTPS glass 34 for controlling the power on/off of the LTPS glass 34, and the like. The LTPS glass protective film 35 and the foam protective layer 36 may protect the lower surface of the LTPS glass 34.
In the embodiment of the present invention, as for the cover glass 31, since the cover glass 31 itself is transparent, no treatment may be performed on the cover glass 31. For the polarizer 32 below the cover glass 31, since the polarizer 32 can transmit light in a specific direction, the transmittance is relatively low, and therefore, a process of increasing the transmittance is required to be performed on the polarizer 32, the polarizer 32 is usually a polarizing material film, and the hardness is relatively low, so that a hole can be drilled in a region of the polarizer 32 corresponding to the camera 37, so as to form a through hole on the polarizer 32, and further increase the transmittance of the display screen corresponding to the camera region.
And step 302, removing the luminescent material layer of the area of the LTPS glass corresponding to the camera.
In the embodiment of the present invention, the light transmittance of the area of the display screen corresponding to the camera is reduced by the luminescent material layer of the area of the LTPS glass corresponding to the camera, so that the luminescent material layer of the area of the LTPS glass corresponding to the camera can be removed, that is, the luminescent material layer of the area of the LTPS glass corresponding to the camera can be removed by the luminescent material remover when the LTPS glass is manufactured, or the luminescent material layer can be not coated in the area corresponding to the camera, so that an approximately transparent area can be formed in the area of the LTPS glass 34 corresponding to the camera 37, and further, the light transmittance of the area of the display screen corresponding to the camera is increased.
And 303, arranging ITO wiring in an area of the LTPS glass at least corresponding to the camera.
In the embodiment of the invention, because various wires of the circuit in the LTPS glass are usually metal wires of a molybdenum/aluminum/molybdenum sandwich structure, and the light transmittance of the metal wires is extremely low, ITO wires can be arranged in at least the area of the LTPS glass corresponding to the camera, that is, transparent wires which can ensure the normal work of the LTPS glass, so that an approximately transparent area can be formed in the area of the LTPS glass 34 corresponding to the camera 37, and the light transmittance of the display screen corresponding to the camera area is further increased.
Specifically, this step can be implemented by any one of two implementations, including:
the first mode is as follows: ITO wiring is arranged at the wiring position in the LTPS glass.
The second mode is as follows: and arranging ITO wiring at the wiring position of the area belonging to the camera in the LTPS glass.
For the first mode, since the transparent ITO trace can replace the metal trace to work normally, all traces in the LTPS glass can be replaced by the ITO trace. To above-mentioned second mode, although transparent ITO is walked and can be replaced the metal and walk the line and carry out normal work, the ITO is walked and is walked for the impedance of metal and walk the line great, and drive IC's (Integrated Circuit) load can increase, influences the display performance, consequently, can set up the ITO and walk the line in each line position department of walking that belongs to the camera area in LTPS glass, and other areas still set up the metal and walk the line, thereby when the luminousness that corresponds the camera area at increase display screen, can reduce the influence to the display performance.
And step 304, digging holes in the area of the LTPS glass protective film corresponding to the camera.
In the embodiment of the present invention, the LTPS glass protective film 35 is generally a thin film layer, and has low hardness and a simple cutting process, so that a hole can be dug in a region of the LTPS glass protective film 35 corresponding to the camera 37, so as to form a through hole in the LTPS glass protective film 35, thereby increasing the light transmittance of the display screen corresponding to the camera region.
And 305, digging holes in the area of the foam protective layer corresponding to the camera.
In the embodiment of the invention, the hardness of the foam protective layer 36 is very low, and the cutting process is very simple, so that holes can be dug in the area of the foam protective layer 36 corresponding to the camera 37, so that through holes are formed in the foam protective layer 36, and the light transmittance of the display screen corresponding to the camera area is increased.
It should be noted that, for the second type of module that needs to dig the hole, only the area of the second type of module corresponding to the camera may be dug, and certainly, in practical applications, the second type of module may also be dug corresponding to a set area including the camera area, for example, the camera area may be a circle, and the set area may be a circumscribed square of the circle, so that the area of the second type of module corresponding to the circumscribed square may be dug, and the size and the shape of the set area are not specifically limited in the embodiment of the present invention.
In addition, because the area of the display screen corresponding to the camera cannot be guaranteed to be completely transparent, in practical application, the image processing algorithm corresponding to the display screen can be used for processing the image shot by the camera, so that the distortion degree of the image is reduced.
Heretofore, to the region that first type module corresponds the camera at least in the AMOLED display screen, can guarantee that this region luminousness is greater than and sets for the luminousness threshold value when circular telegram, also be greater than the required luminousness of camera can normal work, to the region that first type module corresponds the camera at least in the AMOLED display screen, can dig the hole with this region to further increase the luminousness that the display screen corresponds the camera region, when increase mobile terminal's screen occupation ratio, can guarantee the normal work of camera.
In the embodiment of the invention, for the first type module with hardness exceeding the set hardness threshold in the display screen, at least the area of the first type module corresponding to the set functional device can be set to be a structure which is larger than the set light transmittance threshold when being electrified, and for the second type module with hardness not exceeding the set hardness threshold in the display screen, holes can be dug in the area of the second type module corresponding to the set functional device, so that an approximately transparent area with high light transmittance can be formed on the display screen, and the functional device can be arranged below the display screen, and can realize functions through the approximately transparent area without being arranged on the top of the display screen, so that the top area of the display screen can be fully utilized, the screen occupation ratio of the mobile terminal is greatly improved, and the normal work of the functional device can be ensured.
Example four
Referring to fig. 2B, a schematic structural diagram of a display screen according to a fourth embodiment of the present invention is shown, as shown in fig. 2B, the display screen includes a cover glass 21, a first polarizer 22, a color filter 23, a liquid crystal layer 24, a TFT glass 25, a second polarizer 26, and a backlight 27, where the cover glass 21, the color filter 23, the liquid crystal layer 24, and the TFT glass 25 belong to a first type of module having a hardness exceeding a set hardness threshold, the first polarizer 22, the second polarizer 26, and the backlight 27 belong to a second type of module having a hardness not exceeding a set hardness threshold, and the setting function device 28 may be a camera.
As shown in fig. 2B, a color filter 23, a TFT glass 25, a second polarizer 26, and a backlight 27 are sequentially disposed on the first polarizer 22 on the side close to the setting function device 28; the first polarizer 22 is provided with a through hole in a region corresponding to the setting function device 28; the color filter 23 is provided with photoresist ink in a region corresponding to the display screen region except for a region corresponding to the setting function device 28; the TFT glass 25 is provided with ITO wiring at least in the area corresponding to the set functional device 28; the second polarizer 26 is provided with a through hole in a region corresponding to the setting function device 28; the backlight 27 is provided with through holes in regions corresponding to the setting function devices 28; the setting function device 28 is disposed below the TFT glass 25. Therefore, the light transmittance of the display screen corresponding to the set functional device area is further increased, and the normal work of the set functional device can be ensured while the screen occupation ratio of the mobile terminal is increased.
In the embodiment of the invention, for the first type module with hardness exceeding the set hardness threshold in the display screen, at least the area of the first type module corresponding to the set functional device can be set to be a structure which is larger than the set light transmittance threshold when being electrified, and for the second type module with hardness not exceeding the set hardness threshold in the display screen, holes can be dug in the area of the second type module corresponding to the set functional device, so that an approximately transparent area with high light transmittance can be formed on the display screen, and the functional device can be arranged below the display screen, and can realize functions through the approximately transparent area without being arranged on the top of the display screen, so that the top area of the display screen can be fully utilized, the screen occupation ratio of the mobile terminal is greatly improved, and the normal work of the functional device can be ensured.
EXAMPLE five
Referring to fig. 3B, a schematic structural diagram of a display screen according to a fifth embodiment of the present invention is shown, as shown in fig. 3B, the display screen includes a cover glass 31, a polarizer 32, an Encap glass 33, an LTPS glass 34, an LTPS glass protective film 35, and a foam protective layer 36, where the cover glass 31, the Encap glass 33, and the LTPS glass 34 belong to a first type of module having a hardness exceeding a set hardness threshold, the polarizer 32, the LTPS glass protective film 35, and the foam protective layer 36 belong to a second type of module having a hardness not exceeding a set hardness threshold, and the setting function device 37 may be a camera.
As shown in fig. 3B, an LTPS glass 34, an LTPS glass protective film 35, and a foam protective layer 36 are sequentially disposed on a side of the polarizer 32 adjacent to the setting function device 37; the polarizer 32 is provided with a through hole in a region corresponding to the setting function device 37; the LTPS glass 34 is provided with a light emitting material layer in a region corresponding to the display screen region except for a region corresponding to the set function device 37; the LTPS glass 34 is provided with ITO wiring at least in the area corresponding to the set functional device 37; the LTPS glass protective film 35 is provided with a through hole in a region corresponding to the setting function device 37; the foam protective layer 36 is provided with through holes in the area corresponding to the set functional device 37; the setting function device 28 is disposed below the LTPS glass 34. Therefore, the light transmittance of the display screen corresponding to the set functional device area is further increased, and the normal work of the set functional device can be ensured while the screen occupation ratio of the mobile terminal is increased.
In the embodiment of the invention, for the first type module with hardness exceeding the set hardness threshold in the display screen, at least the area of the first type module corresponding to the set functional device can be set to be a structure which is larger than the set light transmittance threshold when being electrified, and for the second type module with hardness not exceeding the set hardness threshold in the display screen, holes can be dug in the area of the second type module corresponding to the set functional device, so that an approximately transparent area with high light transmittance can be formed on the display screen, and the functional device can be arranged below the display screen, and can realize functions through the approximately transparent area without being arranged on the top of the display screen, so that the top area of the display screen can be fully utilized, the screen occupation ratio of the mobile terminal is greatly improved, and the normal work of the functional device can be ensured.
For the above device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As is readily imaginable to the person skilled in the art: any combination of the above embodiments is possible, and thus any combination between the above embodiments is an embodiment of the present invention, but the present disclosure is not necessarily detailed herein for reasons of space.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (7)
1. A display screen manufacturing method is applied to a mobile terminal, and is characterized by comprising the following steps:
for a first type of module with hardness exceeding a set hardness threshold in a display screen, setting an area of the first type of module, which corresponds to at least a set functional device, as a structure with the hardness exceeding the set light transmittance threshold when being electrified;
for a second type of module with hardness not exceeding the set hardness threshold value in the display screen, digging holes in the second type of module at least corresponding to the region of the set functional device;
the display screen is a TFT display screen, the first type of module comprises a color filter and TFT glass, and the setting function device comprises a camera;
the area that at least corresponds to the setting function device with first type of module sets up to be greater than the structure of setting for the luminousness threshold when circular telegram, includes:
removing the light resistance ink in the area of the color filter corresponding to the camera;
arranging ITO wiring in an area of the TFT glass at least corresponding to the camera;
the display screen is an AMOLED display screen, the first type of module comprises LTPS glass, and the setting function device comprises a camera;
the area that at least corresponds to the setting function device with first type of module sets up to be greater than the structure of setting for the luminousness threshold when circular telegram, includes:
removing the luminescent material layer of the area of the LTPS glass corresponding to the camera;
and arranging ITO wiring in the area of the LTPS glass at least corresponding to the camera.
2. The method according to claim 1, wherein the disposing of ITO traces on the TFT glass at least in a region corresponding to the camera comprises:
arranging ITO wiring at the wiring position in the TFT glass; or,
and arranging ITO wiring at the wiring position of the area of the TFT glass, which belongs to the camera.
3. The method according to claim 1, wherein the display screen is a TFT display screen, the second type module comprises a first polarizer, a second polarizer and a backlight source, and the setting function device comprises a camera;
the hole digging is carried out on the second type of module at least corresponding to the region of the set functional device, and the hole digging method comprises the following steps:
digging a hole in the area of the first polaroid corresponding to the camera;
digging a hole in the area of the second polaroid corresponding to the camera;
and digging holes in the area of the backlight source corresponding to the camera.
4. The method according to claim 1, wherein the disposing of the ITO traces on the LTPS glass at least in a region corresponding to the camera comprises:
arranging ITO wiring at the wiring position in the LTPS glass; or,
and arranging ITO wiring at the wiring position of the area of the camera in the LTPS glass.
5. The method according to claim 1, wherein the display screen is an AMOLED display screen, the second type of module comprises a polarizer, an LTPS glass protective film and a foam protective layer, and the setting function device comprises a camera;
the hole digging is carried out on the second type of module at least corresponding to the region of the set functional device, and the hole digging method comprises the following steps:
digging a hole in the area of the polaroid corresponding to the camera;
digging holes in the region of the LTPS glass protective film corresponding to the camera;
and digging holes in the area of the foam protective layer corresponding to the camera.
6. A display screen, wherein the display screen comprises:
the first type of module with hardness exceeding a set hardness threshold comprises a color filter and TFT glass; the second type of module with the hardness not exceeding the set hardness threshold comprises a first polaroid, a second polaroid and a backlight source;
the color filter, the TFT glass, the second polarizer and the backlight source are sequentially arranged on one side of the first polarizer, which is close to the setting functional device;
the first polaroid is provided with a through hole in the area corresponding to the set functional device;
the color filter is provided with light resistance ink in the area corresponding to the display screen except the area corresponding to the set functional device;
the TFT glass is provided with ITO wiring at least in the area corresponding to the set functional device;
the second polaroid is provided with a through hole in the area corresponding to the set functional device;
the backlight source is provided with a through hole in the area corresponding to the set functional device.
7. A display screen, wherein the display screen comprises:
the first type of module with hardness exceeding a set hardness threshold comprises LTPS glass; the second type of module with the hardness not exceeding the set hardness threshold comprises a polaroid, an LTPS glass protective film and a foam protective layer;
the LTPS glass, the LTPS glass protective film and the foam protective layer are sequentially arranged on one side, close to the set functional device, of the polarizer;
the polaroid is provided with a through hole in the area corresponding to the set functional device;
the LTPS glass is provided with a luminescent material layer in the area corresponding to the display screen except the area corresponding to the set functional device;
the LTPS glass is provided with ITO (indium tin oxide) routing in an area at least corresponding to the set functional device;
the LTPS glass protective film is provided with a through hole in the area corresponding to the set functional device;
the foam protective layer is provided with through holes in the area corresponding to the set functional device.
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