CN113555373B - Display panel and display device - Google Patents
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- CN113555373B CN113555373B CN202110782821.5A CN202110782821A CN113555373B CN 113555373 B CN113555373 B CN 113555373B CN 202110782821 A CN202110782821 A CN 202110782821A CN 113555373 B CN113555373 B CN 113555373B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
- H01L27/1244—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits for preventing breakage, peeling or short circuiting
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Abstract
The invention provides a display panel and a display device, the display panel comprises an array substrate, the array substrate comprises a plurality of sub-pixel units, each sub-pixel unit comprises a pixel electrode and a metal wire positioned on one side of the pixel electrode, each pixel electrode is provided with a first branch part, a second branch part and a first connecting part, each first connecting part is connected with the first branch part and the second branch part, each first connecting part is provided with a first convex part, each first convex part is positioned on one side, facing the corresponding metal wire, of the corresponding pixel electrode, each metal wire is provided with an avoiding part, and the projections of the avoiding parts and the first convex parts in the first direction are at least partially overlapped.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
In real life, people are on-vehicle to the application, display screen on the intelligent system has different demonstration demands, if different visual angle demands, on-vehicle display screen usually need have better contrast on specific visual angle, when satisfying the demonstration demand, the consumption that needs the display screen again is low as far as possible, this makes the width of metal wire constantly increase in the display screen, the width increase of metal wire can shelter from the light leak on the one hand to a certain extent, thereby promote display panel's contrast, on the other hand can reduce the resistance of metal wire again, thereby reduce the load on the metal wire.
However, the increased width of the metal lines is accompanied by additional problems, such as increasing the probability of overlapping other wires or electrodes in the display screen with the metal lines in the direction perpendicular to the display screen, thereby increasing the probability of breakage of other wires or electrodes and further causing poor display.
Disclosure of Invention
Based on the above problems, embodiments of the present invention provide a display panel and a display device, which can ensure a good display effect and low power consumption.
In a first aspect, the present application provides a display panel, including an array substrate, where the array substrate includes a plurality of sub-pixel units, and each sub-pixel unit includes a pixel electrode and a metal line located on one side of the pixel electrode;
the pixel electrode at least comprises a first branch part and a second branch part, the pixel electrode also comprises a first connecting part, one end of the first connecting part is connected with the first branch part, the other end of the first connecting part is connected with the second branch part, the first connecting part is provided with a first convex part, and the first convex part is positioned on one side of the pixel electrode facing the metal wire;
the metal wire is provided with an avoiding part, and the avoiding part and the projection of the first convex part in the first direction are at least partially overlapped.
In a second aspect, the present application provides a display device including the display panel.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
the application provides a display panel and a display device, the display panel comprises a plurality of sub-pixel units, the sub-pixel units comprise a pixel electrode and a metal wire located on one side of the pixel electrode, the pixel electrode is provided with a first branch part, a second branch part and a first connecting part, wherein the first connecting part is provided with a first convex part, the first convex part is located on one side of the pixel electrode facing the metal wire, the metal wire is provided with an avoiding part, the avoiding part and the projection of the first convex part on the first direction are at least partially overlapped, namely on the first direction, the avoiding part and the first convex part are in one-to-one correspondence, and the avoiding part is arranged on the metal wire, so that the distance between the metal wire and the first convex part of the pixel electrode on the first direction is increased, the film layer where the metal wire is located and the film layer where the pixel electrode is located can be effectively avoided, the orthographic projection of the film layer on the display panel is overlapped due to dislocation between the fact that the film layer and the orthographic projection of the display panel are partially overlapped, and the film layer is broken due to the need to climb at the edge of the metal wire after orthographic projection of the display panel is overlapped, thereby avoiding the occurrence of bad display.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required in the description of the embodiments will be briefly introduced, the drawings described herein are provided to provide further understanding of the present invention and constitute a part of the present invention, and the exemplary embodiments and descriptions thereof of the present invention are provided for explaining the present invention and do not constitute a limitation of the present invention.
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a sub-pixel unit shown in FIG. 1;
FIG. 3 is a schematic top view of another sub-pixel unit provided in FIG. 1;
FIG. 4 is a schematic top view of another sub-pixel unit shown in FIG. 1;
FIG. 5 is a schematic top view of another sub-pixel unit shown in FIG. 1;
FIG. 6 is a schematic top view of another sub-pixel unit provided in FIG. 1;
FIG. 7 is an enlarged view of the area of FIG. 6S;
FIG. 8 is a schematic top view of another display panel according to an embodiment of the present invention;
FIG. 9 is a schematic top view of yet another sub-pixel unit provided in FIG. 1;
FIG. 10 is a schematic top view of yet another sub-pixel unit provided in FIG. 1;
FIG. 11 is a schematic top view of yet another sub-pixel unit provided in FIG. 1;
FIG. 12 is a top view of another sub-pixel unit shown in FIG. 1;
FIG. 13 is a schematic top view of yet another sub-pixel unit provided in FIG. 1;
FIG. 14 is a schematic top view of yet another sub-pixel unit provided in FIG. 1;
FIG. 15 is a schematic top view of another sub-pixel unit shown in FIG. 1;
FIG. 16 is a schematic top view of yet another sub-pixel unit provided in FIG. 1;
fig. 17 is a schematic top view of the display device provided in fig. 1.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Since the display panel generally needs to have a better contrast ratio at a specific viewing angle and a lower power consumption performance, in the sub-pixel unit, the width of the metal line, which refers to the width in the direction perpendicular to the extending direction of the metal line, is increased continuously, so that in the first direction, the minimum distance between the metal line and the pixel electrode in the front projection of the display panel is decreased continuously, and particularly, the pixel electrode has a first convex portion, and the first convex portion is located at the middle position of the side of the pixel electrode facing the metal line, so that in the first direction, the minimum distance between the metal line and the first convex portion in the front projection of the display panel is further decreased, and since the film layer where the metal line is located and the film layer where the pixel electrode is located may have misalignment, the misalignment of the two film layers may cause the metal line and the first convex portion of the pixel electrode to partially overlap in the front projection of the display panel, and since the metal line has a thickness in the direction perpendicular to the display panel, the overlapping position of the metal line to cross the film layer with a certain thickness, that is the overlapping position of the metal line projected onto the edge of the pixel electrode, and thus the image display region is easily broken.
Based on the above-mentioned problems, the present invention provides a display panel, as shown in fig. 1-2, in which fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention, and fig. 2 is a schematic top view of a sub-pixel unit shown in fig. 1; the display panel 2 shown in fig. 1 includes an array substrate 20, where the array substrate 20 includes a plurality of sub-pixel units 200, it should be noted that the sub-pixel units 200 shown in fig. 1 are only schematic and do not represent actual sizes, numbers, shapes and arrangements, and in some other embodiments of the present invention, the sizes, numbers, shapes and arrangements of the sub-pixel units 200 may be set according to actual requirements, which is not limited by the present invention.
The sub-pixel unit 200 shown in fig. 2 includes a pixel electrode 21 and a metal line 22 located on one side of the pixel electrode 21, the pixel electrode 21 has a first branch portion 211, a second branch portion 212, and a first connection portion 213 connecting the first branch portion 211 and the second branch portion 212, one end of the first connection portion 213 is connected to the first branch portion 211, the other end of the first connection portion 213 is connected to the second branch portion 212, the first connection portion 213 has a first protrusion TB1, the first protrusion TB1 is located on one side of the pixel electrode 21 facing the metal line 22, the first connection portion 213 has a first edge K1 and a second edge K2, the first edge K1 is located on one side of the pixel electrode 21 facing the metal line 22, the second edge K2 is located on one side of the pixel electrode 21 away from the metal line 22, and the first protrusion TB1 is located on the first edge K1 of the first connection portion 213.
The metal wire 22 on one side of the pixel electrode 21 is provided with an avoiding part RB, and on the first direction X, the projection of the avoiding part RB and the first convex part TB1 is at least partially overlapped, so that on the first direction X, the distance between the metal wire 22 and the first convex part TB1 of the pixel electrode 21 is increased, so that a film layer where the metal wire 22 is located and a film layer where the pixel electrode 21 is located can be effectively avoided, the orthographic projection part of the metal wire 22 and the orthographic projection part of the metal wire 22 on the display panel are overlapped due to dislocation between the film layers, the phenomenon that the film layer is broken due to climbing at the edge of the metal wire 22 is avoided after the metal wire 22 and the pixel electrode 21 are overlapped, and the occurrence of poor display is avoided.
Optionally, as shown in fig. 1, the display panel 2 includes a plurality of sub-pixel units 200, the plurality of sub-pixel units 200 are arranged along a first direction X to form a sub-pixel row, and in one sub-pixel row, the metal lines 22 and the pixel electrodes 21 are alternately arranged along the first direction X, and the avoiding portions RB on the metal lines 22 and the first convex portions TB1 on the pixel electrodes 21 are alternately arranged along the first direction X, so as to ensure that, in the first direction X, the metal lines 22 and the first convex portions TB1 of the pixel electrodes 21 correspond to each other one by one, and the distance between the two is uniformly increased, so that the metal lines 22 and the pixel electrodes 21 are prevented from overlapping the orthogonal projection portions on the display panel, and after the orthogonal projections of the two on the display panel are overlapped, the film is prevented from being broken at the edges of the metal lines 22 due to climbing, and the occurrence of poor display is avoided.
With reference to fig. 2, in the sub-pixel unit 200, the metal line 22 has a third branch portion 221, a fourth branch portion 222, and a second connection portion 223 connecting the third branch portion 221 and the fourth branch portion 222, one end of the second connection portion 223 is connected to the third branch portion 221, and the other end is connected to the fourth branch portion 222, so that the second connection portion 223 is an avoiding portion RB; the first connection portion 213 is disposed between the first branch portion 211 and the second branch portion 212, and the second connection portion is disposed between the third branch portion 221 and the fourth branch portion 222, so that projections of the first connection portion 213 and the second connection portion 223 in the first direction X at least partially overlap, projections of the first convex portion TB1 and the second connection portion 223 in the first direction X on the first connection portion 213 also at least partially overlap, and the second connection portion 223 is set as the avoiding portion RB, so that projections of the avoiding portion RB and the first convex portion TB1 in the first direction X at least partially overlap, and thus a distance between the metal wire 22 and the pixel electrode 21 in the orthographic projection of the display panel is increased, thereby preventing the film layer from being broken due to climbing at the edge of the metal wire 22 after the orthographic projections of the display panel overlap, and avoiding occurrence of poor display.
With reference to fig. 2, the second connection portion 223 has a first groove A1 on a side facing the pixel electrode 21, the first groove A1 and a projection of the first protrusion TB1 in the first direction X are at least partially overlapped, the second connection portion 223 has a third side K3 and a fourth side K4, the third side K3 is located on a side of the metal wire 22 facing the pixel electrode 21, the fourth side K4 is located on a side of the metal wire 22 away from the pixel electrode 21, the first groove A1 is located on the third side K3 of the second connection portion 223, the first groove A1 and the first protrusion TB1 are in one-to-one correspondence in the first direction X, and the first groove A1 is disposed on the second connection portion 223 of the metal wire 22, so as to effectively increase a minimum distance between the metal wire 22 and the pixel electrode 21 in the front projection of the display panel, so as to increase a distance between the front projections of the display panel, thereby preventing the pixel electrode 21 from breaking due to climbing at an edge of the metal wire 22 after the front projections of the display panel are overlapped.
Optionally, as shown in fig. 3, fig. 3 is a schematic top view of another sub-pixel unit provided in fig. 1; in fig. 3, the second connection portion 223 further has a second protrusion TB2, the second protrusion TB2 is located on a side of the metal wire 22 away from the pixel electrode 21, the second protrusion TB2 at least partially overlaps with a projection of the first groove A1 in the first direction X, that is, the second protrusion TB2 is located on the fourth side K4 of the second connection portion 223, since the first groove A1 is disposed on the third side K3 of the second connection portion 223, the width of the second connection portion 223 in the first direction X is reduced, and therefore, the second protrusion TB2 is disposed on the fourth side K4 of the second connection portion 223, the width of the second connection portion 223 in the first direction X at the position of the first groove A1 can be effectively compensated, so that on the premise that the distance between the metal wire 22 and the pixel electrode 21 in the front projection of the display panel is increased, the metal wire 22 can be prevented from being broken at the position of the first groove A1, and the effective transmission of the signal on the metal wire can be ensured.
Optionally, as shown in fig. 4, fig. 4 is a schematic top view of another sub-pixel unit provided in fig. 1; along the first direction X, the width of the second connection portion 223 of the metal line 22 is the first width d1, the width of the third branch portion 221 of the metal line 22 is the third width d3, the width of the fourth branch portion 222 of the metal line 22 is the fourth width d4, and the first width d1 is equal to the third width d3, and the first width d1 is also equal to the fourth width d4, that is, the widths of the metal line 22 in the first direction X are all set to be equal, in the case that the distance between the metal line 22 and the front projection of the display panel 21 is increased, the metal line 22 can be prevented from being broken at the position of the first groove A1 due to the too small width, and the width of the metal line 22 at the position of the first groove A1 can be prevented from being too large, so that the minimum distance between the metal line 22 and the front projection of the pixel electrode 21 of the adjacent sub-pixel unit 200 is too small, when the metal line 22 and the pixel electrode 21 of the adjacent sub-pixel unit 200 are too close, the minimum distance between the pixel electrodes 21 of the adjacent sub-pixel unit 200 is between the front projection of the display panel, and the metal line 22 and the pixel unit can be easily manufactured, and the uniformity of the resistance of the metal line 22 and the display panel can be ensured, and the uniformity of the pixel unit can be easily caused, and the pixel 21 can be easily caused by the overlapping of the metal line 22 and the pixel 21 can be easily caused by the pixel 21, and the overlapping of the pixel 21, and the pixel 21 can be easily caused by the uniformity of the pixel.
Optionally, as shown in fig. 5, fig. 5 is a schematic top view of another sub-pixel unit provided in fig. 1; the first connecting portion 213 includes a fifth branch portion 2131 and a sixth branch portion 2132, one end of the fifth branch portion 2131 is connected to the sixth branch portion 2132, the other end of the fifth branch portion 2131 is connected to the first branch portion 211, the other end of the sixth branch portion 2132 is connected to the second branch portion 212, one side of the fifth branch portion 2131 facing the metal wire 22 is a first side C1, one side of the sixth branch portion 2132 facing the metal wire 22 is a second side C2, the first side C1 and the second side C2 form a first included angle a1, and the first included angle a1 is an included angle on the side away from the metal wire 22.
The second connecting portion 223 has a seventh branch portion 2231 and an eighth branch portion 2232, one end of the seventh branch portion 2231 is connected to the eighth branch portion 2232, the other end of the seventh branch portion 2231 is connected to the third branch portion 221, the other end of the eighth branch portion 2232 is connected to the fourth branch portion 222, a side of the seventh branch portion 2231 facing the pixel electrode 21 is a third side C3, a side of the eighth branch portion 2232 facing the pixel electrode 21 is a fourth side C4, the third side C3 and the fourth side C4 form a second included angle a2, the second included angle a2 is an included angle facing the pixel electrode 21, the second included angle a2 is smaller than or equal to the first included angle a1, the second included angle a2 is set smaller than or equal to the first included angle a1, that is to ensure that a projection of the metal line 22 on the vertical display panel between a side facing the pixel electrode 21 and a side of the pixel electrode 21 is not smaller than the first included angle a1, that a phenomenon occurs between a projection of the metal line 22 and a vertical display panel edge of the pixel electrode 21 and a display panel is not broken due to the minimum distance D in the first connecting portion 213, thereby avoiding a display panel.
Optionally, as shown in fig. 6, fig. 6 is a schematic top view of another sub-pixel unit provided in fig. 1; the fifth branch portion 2131 of the first connection portion 213 has a side away from the metal wire 22 and is defined as a first opposite side C1', the sixth branch portion 2132 has a side away from the metal wire 22 and is defined as a second opposite side C2', the first opposite side C1 'and the second opposite side C2' form a first relative included angle a1', the first relative included angle a1' is an included angle away from the metal wire 22, and the included angle is equal to the first included angle a 1; the design can avoid the minimum distance between the pixel electrode 21 and the metal wire 22 of the adjacent sub-pixel unit 200 in the orthographic projection of the display panel from being too small, and the distance between the pixel electrode 21 and the metal wire 22 of the adjacent sub-pixel unit 200 from being too close, so as to avoid the phenomenon that the film layer of the pixel electrode 21 is broken at the edge of the metal wire 22 of the adjacent sub-pixel unit 200 due to the overlapping of the pixel electrode 21 and the metal wire 22 of the adjacent sub-pixel unit 200 in the orthographic projection of the display panel, thereby avoiding the occurrence of poor display, and meanwhile, the included angles of the first connecting parts 213 of the pixel electrode 21 along the two sides of the first direction X are equal, so that the preparation of the pixel electrode 21 is facilitated in the process, thereby ensuring the uniformity of the electric field in the sub-pixel unit 200, and further ensuring the uniformity of display.
Optionally, the seventh branch 2231 of the second connecting portion 223 has a side away from the pixel electrode 21 and is set as a third opposite side C3', the eighth branch 2232 has a side away from the pixel electrode 21 and is set as a fourth opposite side C4', a second relative included angle a2 'is formed by the third opposite side C3' and the fourth opposite side C4', and the second relative included angle a2' is an included angle towards the side of the pixel electrode 21, and the included angle is equal to the second included angle a 2; this design can guarantee that second connecting portion 223 contained angle department is unanimous along first direction X's width and the width of second connecting portion 223 other positions along first direction X to avoid second connection 223 too big or the undersize along first direction X's width, the preparation of the metal wire 22 of also being convenient for simultaneously guarantees the homogeneity of line width, guarantees that metal wire 22's resistance is unanimous, thereby guarantees signal transmission's homogeneity.
Optionally, please refer to fig. 6 to 7, in which fig. 7 is an enlarged view of the area of fig. 6S; the pixel electrode 21 may have a plurality of strip-shaped branch electrodes 210, each strip-shaped branch electrode 210 has a first branch portion TB10, the first branch portion TB10 is located on a side of the pixel electrode 21 facing the metal line 22, each strip-shaped branch electrode 210 has a fifth branch portion 21310 and a sixth branch portion 21320, a side of the fifth branch portion 21310 facing the metal line 22 is a first branch side C10, a side of the sixth branch portion 21320 facing the metal line 22 is a second branch side C20, the first branch side C10 and the second branch side C20 form a first included angle a10, and the first included angle a10 is an included angle deviating from the metal line 22, where an included angle of the first branch angle a10 is equal to the first included angle a 1.
Optionally, a side of the fifth branch portion 21310 away from the metal line 22 is a first relative side C10', a side of the sixth branch portion 21320 away from the metal line 22 is a second relative side C20', the first relative side C10' and the second relative side C20' form a first relative included angle a10', the first relative included angle a10' is an included angle away from the metal line 22, and the first relative included angle a10' is also equal to the first included angle a1, which not only facilitates preparation of the sub-pixel electrode 21 in a process, but also ensures uniformity among the plurality of strip-shaped branch electrodes 210 of the pixel electrode 21, thereby ensuring uniformity of an electric field in the sub-pixel unit 200, and ensuring display uniformity of the display panel.
Optionally, as shown in fig. 8, fig. 8 is a schematic top view of another display panel according to an embodiment of the present invention; as shown in fig. 8, the display panel 3 includes a plurality of touch electrode lines T1 and a plurality of auxiliary electrode lines T2, the touch electrode lines T1 are electrically connected to the driving circuit 31, at least some of the metal lines 22 in the metal lines 22 may be the touch electrode lines T1, at least some of the metal lines 22 may be the auxiliary electrode lines T2, and the auxiliary electrode lines T2 and the touch electrode lines T1 may be disposed on the same layer.
Optionally, as shown in fig. 9, fig. 9 is a schematic top view of another sub-pixel unit provided in fig. 1; the second connection portion 223 of the metal wire 22 has a hollow-out portion 2230, and the hollow-out portion 2230 at least partially overlaps with a projection of the first convex portion TB1 in the first direction X; the hollow portions 2230 are disposed on the second connection portions 223, and in the first direction X, projections of the hollow portions 2230 and the first convex portions TB1 at least partially overlap, and in the first direction X, the first convex portions TB1 do not overlap with a front projection of the metal line 22 on the display panel, so that a phenomenon that the film layer is broken due to a climbing of the pixel electrode 21 at an edge of the metal line 22 is avoided, and occurrence of poor display is avoided.
Since the metal line 22 has the hollow portion 2230 in the sub-pixel unit 200, that is, the metal line 22 is discontinuous, referring to fig. 9, the metal line 22 may be used as the auxiliary electrode line T2 and is not electrically connected to the driving circuit 31, and the metal line 22 is used as the auxiliary electrode line T2 and may be disposed on the same layer as the touch electrode line T1.
It should be noted that, in the display panel provided in the embodiment of the present invention, a portion of the metal line 22 as the touch electrode line T1 may be disposed in a manner as described in fig. 2 to fig. 6, a portion of the metal line 22 as the auxiliary electrode line T2 may also be disposed in a manner as described in fig. 2 to fig. 6, or may also be disposed in a manner as described in fig. 9, which is not limited by the present invention.
Optionally, as shown in fig. 10, fig. 10 is a schematic top view of another sub-pixel unit provided in fig. 1; the pixel electrode 21 further includes a ninth branch portion 214 (an upper end of the pixel electrode 21) and a tenth branch portion 215 (a lower end of the pixel electrode 21), one end of the ninth branch portion 214 is connected to the other end of the first branch portion 211, and one end of the tenth branch portion 215 is connected to the other end of the second branch portion 212; a side of the ninth branch portion 214 (the upper end of the pixel electrode 21) departing from the metal line 22 is a fifth side edge C5, a side of the first branch portion 211 departing from the metal line 22 is a sixth side edge C6, a third included angle a3 is formed between the fifth side edge C5 and the first direction X, and the third included angle a3 is an acute angle departing from the metal line 22; the sixth side C6 forms a fourth included angle a4 with the first direction X, the fourth included angle a4 is an acute angle departing from the metal line 22, and the third included angle a3 is smaller than the fourth included angle a4; a seventh side C7 is a side of the tenth branch portion 215 (lower end of the pixel electrode 21) departing from the metal line 22, an eighth side C8 is a side of the second branch portion 212 departing from the metal line 22, a fifth included angle a5 is formed between the seventh side C7 and the first direction, the fifth included angle a5 is an acute angle departing from the metal line 22, the sixth included angle a6 is an acute angle departing from the metal line 22, and the fifth included angle a5 is smaller than the sixth included angle a6. In order to obtain a good display effect of the display panel, branch portions, such as a ninth branch portion 214 and a tenth branch portion 215 shown in fig. 10, are disposed at two ends of the pixel electrode 21, where the ninth branch portion 214 and the first branch portion 211 have different extending directions, the tenth branch portion 215 and the second branch portion 212 have different extending directions, and the ninth branch portion 214 and the tenth branch portion 215 are respectively bent toward the metal line 22 of the adjacent sub-pixel unit 200, and the bending width is greater than that of the first branch portion 211 and the second branch portion 212.
With reference to fig. 10, the metal line 22 has a second groove A2 on a side away from the pixel electrode 21, and the second groove A2 at least partially overlaps with a projection of the ninth branch portion 214 (upper end of the pixel electrode 21) in the first direction X, and the second groove A2 at least partially overlaps with a projection of the tenth branch portion 215 (lower end of the pixel electrode 21) in the first direction X; by providing the second groove A2 on the side of the metal wire 22 away from the pixel electrode 21, the minimum distance between the metal wire 22 and the orthographic projection of the ninth branch portion 214 (the upper end of the pixel electrode 21) and the tenth branch portion 215 (the lower end of the pixel electrode 21) of the adjacent sub-pixel unit 200 on the display panel can be effectively increased, so that the distance between the metal wire 22 and the orthographic projection of the ninth branch portion 214 (the upper end of the pixel electrode 21) and the tenth branch portion 215 (the lower end of the pixel electrode 21) of the adjacent sub-pixel unit 200 on the display panel is increased, thereby avoiding the overlap of the metal wire 22 and the pixel electrode 21 in the direction perpendicular to the display panel, avoiding the film layer fracture caused by the climbing of the pixel electrode 21 at the edge of the metal wire 22, and avoiding the occurrence of poor display.
Optionally, as shown in fig. 11, fig. 11 is a schematic top view of another sub-pixel unit provided in fig. 1; the metal line 22 further has an eleventh branch portion 224 (upper end of the metal line 22) and a twelfth branch portion 225 (lower end of the metal line 22), the eleventh branch portion 224 is connected to one end of the third branch portion 221, the twelfth branch portion 225 is connected to one end of the fourth branch portion 222, and projections of the eleventh branch portion 224 (upper end of the metal line 22) and the ninth branch portion 214 (upper end of the pixel electrode 21) in the first direction X at least partially overlap, and projections of the twelfth branch portion 225 (lower end of the metal line 22) and the tenth branch portion 215 (lower end of the pixel electrode 21) in the first direction X at least partially overlap; the eleventh branch 224 (the upper end of the metal wire 22) has a third convex portion TB3, the twelfth branch 225 (the lower end of the metal wire 22) has a fourth convex portion TB4, the third convex portion TB3 and the fourth convex portion TB4 are both located on the side of the metal wire 22 facing the pixel electrode 21, and the projection of the third convex portion TB3 and the fourth convex portion TB4 and the second groove A1 in the first direction X at least partially overlap; since the second groove A2 is provided in the eleventh branch portion 224 (the upper end of the metal wire 22) and the twelfth branch portion 225 (the lower end of the metal wire 22) of the metal wire 22, the width of the metal wire 22 in the first direction X is reduced, and therefore, since the convex portion is provided on the side of the eleventh branch portion 224 (the upper end of the metal wire 22) and the twelfth branch portion 225 (the lower end of the metal wire 22) facing the pixel electrode 21, the widths of the eleventh branch portion 224 (the upper end of the metal wire 22) and the twelfth branch portion 225 (the lower end of the metal wire 22) of the metal wire 22 along the first direction X at the position of the second groove A2 can be effectively compensated, so that the disconnection of the metal wire 22 at the position of the second groove A2 can be avoided while ensuring the distance between the metal wire 22 and the pixel electrode 21 of the adjacent sub-pixel unit 200 at the front projection of the display panel is increased, thereby ensuring the effective transmission of the signal on the metal wire 22.
Optionally, with reference to fig. 11, along the first direction X, the eleventh branch portion 224 has a fifth width d5, the twelfth branch portion 225 has a sixth width d6, the third branch portion 221 has a third width d3, the fourth branch portion 222 has a fourth width d4, the fifth width d5 is equal to the third width d3, and the sixth width d6 is equal to the fourth width d4. The fifth width d5 is equal to the third width d3, and the sixth width d6 is equal to the fourth width d4, so that the widths of the third branch portion 221 and the eleventh branch portion 224 are the same, and the widths of the fourth branch portion 222 and the twelfth branch portion 225 are the same, which is convenient for preparing the metal wire 22, and on the other hand, ensures the line width uniformity of the metal wire 22 and the resistance uniformity of the metal wire 22, thereby ensuring the uniformity of signal transmission.
Optionally, the third width d3 may be equal to the fourth width d4, that is, in the sub-pixel unit 200, the line widths of the metal lines 22 are all kept consistent, so as to further ensure the line width consistency of the metal lines 22 and the resistance consistency of the metal lines 22, thereby ensuring the uniformity of signal transmission.
Optionally, as shown in fig. 12, fig. 12 is a schematic top view of another sub-pixel unit provided in fig. 1; the metal wire 22 has a thirteenth branch portion 226 (the upper end of the metal wire 22), a side of the thirteenth branch portion 226 away from the pixel electrode 21 is a ninth side C9, the ninth side C9 forms a seventh included angle a7 with the first direction X, and the seventh included angle a7 is an acute angle facing the side of the pixel electrode 21; a side of the ninth branch portion 214 (the upper end of the pixel electrode 21) departing from the metal line 22 is a fifth side C5, a third included angle a3 is formed between the fifth side C5 and the first direction X, and the third included angle a3 is greater than or equal to a seventh included angle a7. The third included angle a3 is set to be equal to or greater than the seventh included angle a7, that is, the distance between the thirteenth branch portion 226 of the metal wire 22 (the upper end of the metal wire 22) and the ninth branch portion 214 of the pixel electrode 21 of the adjacent sub-pixel unit 200 (the upper end of the pixel electrode 21) in the orthographic projection of the display panel is increased, so that the orthographic projection overlap of the thirteenth branch portion and the ninth branch portion on the display panel is avoided, the phenomenon that the pixel electrode 21 of the adjacent sub-pixel unit 200 climbs the edge of the metal wire 22 to cause film layer fracture is avoided, and the occurrence of poor display is avoided.
Optionally, as shown in fig. 13, fig. 13 is a schematic top view of another sub-pixel unit provided in fig. 1; the metal wire 22 further has a fourteenth branch 227 (lower end of the metal wire 22), a side of the fourteenth branch 227 departing from the pixel electrode 21 is an eleventh side C11, the eleventh side C11 forms an eighth included angle a8 with the first direction X, and the eighth included angle a8 is an acute angle facing the side of the pixel electrode 21; a seventh side C7 is a side of the tenth branch portion 214 (the lower end of the pixel electrode 21) departing from the metal line 22, a fifth included angle a5 is formed between the seventh side C7 and the first direction X, and the fifth included angle a5 is greater than or equal to the eighth included angle a8. The fifth included angle a5 is set to be equal to or greater than the eighth included angle a8, that is, the distance between the fourteenth branch portion 227 of the metal wire 22 (the lower end of the metal wire 22) and the tenth branch portion 214 of the pixel electrode 21 of the adjacent sub-pixel unit 200 (the lower end of the pixel electrode 21) in the orthographic projection of the display panel is increased, so that the orthographic projection overlap of the metal wire and the pixel electrode 21 of the adjacent sub-pixel unit 200 on the edge of the metal wire 22 is avoided, the film layer is prevented from being broken due to the climbing of the pixel electrode 21 of the adjacent sub-pixel unit 200 on the edge of the metal wire 22, and the occurrence of poor display is avoided.
It should be noted that, alternatively, the pixel electrode 21 in the sub-pixel unit 200 may include only the ninth branch portion 214, or the tenth branch portion 215, or both the ninth branch portion 214 and the tenth branch portion 215, and the metal line 22 on the corresponding side of the pixel electrode 21 may include only a design overlapping the projection of the ninth branch portion 214 in the first direction X, or only a design overlapping the projection of the tenth branch portion 215 in the first direction X, or both, which is not limited by the invention.
Optionally, the design of the second connection portion 223 of the metal line 22 and the design of the two ends of the metal line 22 in the sub-pixel unit 200 refer to the design of one end overlapping the projection of the ninth branch portion 214 of the pixel electrode 21 in the first direction X, and the design of the other end overlapping the projection of the tenth branch portion 215 of the pixel electrode 21 in the first direction X, which can be matched and selected according to the practical requirements. As shown in fig. 14 to 16, fig. 14 to 16 are schematic top views of still another sub-pixel unit provided in fig. 1; in the sub-pixel unit 200 provided in fig. 14 to 16, the second connecting portion 223 of the metal line 22 is provided with a hollow portion 2230, and the designs of the two ends of the metal line 22 are different, in fig. 14, the metal line 22 has an eleventh branch portion 224 and a twelfth branch portion 225, the metal line 22 has a second groove A2 on a side away from the pixel electrode 21, and a projection of the second groove A2 and the ninth branch portion 214 (upper end of the pixel electrode 21) in the first direction X at least partially overlaps, and a projection of the second groove A2 and the tenth branch portion 215 (lower end of the pixel electrode 21) in the first direction X at least partially overlaps; in fig. 15, the metal wire 22 has a third protrusion TB3 in the eleventh branch portion 224 and a fourth protrusion TB4 in the twelfth branch portion 225 in addition to the second groove A2, the third protrusion TB3 and the fourth protrusion TB4 are both located on the side of the metal wire 22 facing the pixel electrode 21, and the projection of the third protrusion TB3 and the fourth protrusion TB4 and the second groove A1 in the first direction X at least partially overlap; in fig. 16, the metal line 22 has a thirteenth branch 226 and a fourteenth branch 227, and the third included angle a3 is greater than or equal to a seventh included angle a7, the fifth included angle a5 is greater than or equal to an eighth included angle a8, where the third included angle a3 is an acute angle formed by the fifth side C5 and the first direction X and departing from the metal line 22 side, the seventh included angle a7 is an acute angle formed by the ninth side C9 and the first direction X and facing the pixel electrode 21 side, the fifth included angle a5 is an acute angle formed by the seventh side C7 and the first direction X and departing from the metal line 22 side, and the eighth included angle a8 is an acute angle formed by the eleventh side C11 and the first direction X and departing from the metal line 22 side; for the fifth side C5, the seventh side C7, the ninth side C9 and the eleventh side C11, please refer to the description of the embodiments shown in fig. 12 to 13, which is not repeated herein.
Fig. 17 is a schematic top view of a display device according to an embodiment of the invention; the embodiment of the invention provides a display device 4, the display device 4 comprises a display terminal product such as a smart phone, a flat panel display device, a notebook display device, a vehicle-mounted central control and the like, the display device 4 comprises the display panel 2, and the beneficial effects generated by the display device 4 are also the beneficial effects described in the above embodiment, which are not repeated herein.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (13)
1. A display panel, comprising:
an array substrate;
the array substrate comprises a plurality of sub-pixel units, wherein each sub-pixel unit comprises a pixel electrode and a metal wire positioned on one side of the pixel electrode;
the pixel electrode at least comprises a first branch part and a second branch part, the pixel electrode is provided with a first connecting part, one end of the first connecting part is connected with the first branch part, the other end of the first connecting part is connected with the second branch part, the first connecting part is provided with a first convex part, and the first convex part is positioned on one side, facing the metal wire, of the pixel electrode;
the metal wire is provided with an avoiding part, and the avoiding part and the projection of the first convex part in the first direction are at least partially overlapped;
in the sub-pixel unit, the metal wire is provided with a third branch part and a fourth branch part, the metal wire is further provided with a second connecting part, one end of the second connecting part is connected with the third branch part, the other end of the second connecting part is connected with the fourth branch part, and the second connecting part is the avoiding part;
the second connecting portion has a first groove on a side facing the pixel electrode, the first groove at least partially overlapping with a projection of the first convex portion in the first direction;
or the first connecting part is provided with a fifth branch part and a sixth branch part, one end of the fifth branch part is connected with the sixth branch part, the other end of the fifth branch part is connected with the first branch part, and the other end of the sixth branch part is connected with the second branch part;
one side of the fifth branch part facing the metal wire is a first side edge;
one side of the sixth branch part facing the metal wire is a second side edge;
the first side edge and the second side edge form a first included angle, and the first included angle is an included angle on one side deviating from the metal wire;
the second connecting part is provided with a seventh branch part and an eighth branch part, one end of the seventh branch part is connected with the eighth branch part, the other end of the seventh branch part is connected with the third branch part, and the other end of the eighth branch part is connected with the fourth branch part;
one side of the seventh branch part facing the pixel electrode is a third side;
the side of the eighth branch part facing the pixel electrode is a fourth side;
a second included angle is formed between the third side edge and the fourth side edge, and the second included angle is an included angle towards one side of the pixel electrode;
the second included angle is smaller than the first included angle;
or the second connecting part is provided with a hollow part, and the projection of the hollow part and the first convex part in the first direction at least partially overlaps.
2. The display panel according to claim 1,
the avoidance portions and the first convex portions are alternately arranged along the first direction.
3. The display panel according to claim 1,
the second connecting portion is provided with a second convex portion, the second convex portion is located on one side, away from the pixel electrode, of the metal wire, and the second convex portion and the first groove at least partially overlap in projection in the first direction.
4. The display panel according to claim 3,
the width of the second connecting portion along the first direction is a first width, the width of the third branch portion along the first direction is a third width, the width of the fourth branch portion along the first direction is a fourth width, the first width is equal to the third width, and the first width is equal to the fourth width.
5. The display panel according to any one of claims 1 to 4,
the display panel comprises a plurality of touch electrode wires and a plurality of auxiliary electrode wires;
at least part of the metal wires are the touch control electrode wires, at least part of the metal wires are the auxiliary electrode wires, and the auxiliary electrode wires and the touch control electrode wires are arranged on the same layer.
6. The display panel according to claim 1,
the display panel comprises a plurality of touch electrode wires and a plurality of auxiliary electrode wires;
the metal wire is the auxiliary electrode wire, and the auxiliary electrode wire and the touch electrode wire are arranged on the same layer.
7. The display panel according to claim 1,
the pixel electrode further comprises a ninth branch part and a tenth branch part, wherein one end of the ninth branch part is connected with the other end of the first branch part, and one end of the tenth branch part is connected with the other end of the second branch part;
one side of the ninth branch part, which is far away from the metal wire, is a fifth side edge, and one side of the first branch part, which is far away from the metal wire, is a sixth side edge;
a third included angle is formed between the fifth side edge and the first direction, and the third included angle is an acute angle deviating from one side of the metal wire; a fourth included angle is formed between the sixth side edge and the first direction, and the fourth included angle is an included angle on one side deviating from the metal wire; the third included angle is smaller than the fourth included angle;
the side, away from the metal wire, of the tenth branch part is a seventh side, and the side, away from the metal wire, of the second branch part is an eighth side;
a fifth included angle is formed between the seventh side edge and the first direction, and the fifth included angle is an acute angle deviating from one side of the metal wire; a sixth included angle is formed between the eighth side edge and the first direction, and the sixth included angle is an acute angle deviating from one side of the metal wire; the fifth included angle is smaller than the sixth included angle.
8. The display panel according to claim 7,
the metal wire is provided with a second groove on one side facing away from the pixel electrode, the second groove is at least partially overlapped with the projection of the ninth branch part in the first direction, and the second groove is at least partially overlapped with the projection of the tenth branch part in the first direction.
9. The display panel according to claim 8,
within the sub-pixel unit, the metal wire has a third branch part and a fourth branch part;
the metal wire is also provided with an eleventh branch part and a twelfth branch part, the eleventh branch part is connected with one end of the third branch part, and the twelfth branch part is connected with one end of the fourth branch part;
projections of the eleventh branch and the ninth branch in the first direction at least partially overlap, and projections of the twelfth branch and the tenth branch in the first direction at least partially overlap;
the eleventh branch part is provided with a third convex part, the twelfth branch part is provided with a fourth convex part, the third convex part and the fourth convex part are positioned on one side, facing the pixel electrode, of the metal wire, and the third convex part and the fourth convex part at least partially overlap with the second groove in projection in the first direction.
10. The display panel according to claim 9,
the eleventh branch portion has a fifth width along the first direction, the twelfth branch portion has a sixth width along the first direction, the third branch portion has a third width along the first direction, the fourth branch portion has a fourth width along the first direction, the fifth width is equal to the third width, and the sixth width is equal to the fourth width.
11. The display panel according to claim 10,
the third width is equal to the fourth width.
12. The display panel according to claim 7,
the metal wire is provided with a thirteenth branch part, one side of the thirteenth branch part, which is far away from the pixel electrode, is a ninth side edge, a seventh included angle is formed between the ninth side edge and the first direction, and the seventh included angle is an acute angle facing one side of the pixel electrode;
and the third included angle is larger than or equal to a seventh included angle.
13. A display device comprising the display panel according to any one of claims 1 to 12.
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| CN101123262A (en) * | 2006-05-24 | 2008-02-13 | 三星电子株式会社 | Display substrate, method of fabricating the same, and liquid crystal display device having the same |
| CN105097671A (en) * | 2015-08-03 | 2015-11-25 | 京东方科技集团股份有限公司 | TFT array substrate and manufacturing method thereof and display device |
| CN106842723A (en) * | 2015-12-02 | 2017-06-13 | 三星显示有限公司 | Liquid crystal display |
| CN112034656A (en) * | 2020-09-11 | 2020-12-04 | 合肥鑫晟光电科技有限公司 | Array substrate and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9791733B2 (en) * | 2014-12-29 | 2017-10-17 | Shanghai Tianma Micro-electronics Co., Ltd. | Array substrate, manufacture method thereof, and display device |
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| CN101123262A (en) * | 2006-05-24 | 2008-02-13 | 三星电子株式会社 | Display substrate, method of fabricating the same, and liquid crystal display device having the same |
| CN105097671A (en) * | 2015-08-03 | 2015-11-25 | 京东方科技集团股份有限公司 | TFT array substrate and manufacturing method thereof and display device |
| CN106842723A (en) * | 2015-12-02 | 2017-06-13 | 三星显示有限公司 | Liquid crystal display |
| CN112034656A (en) * | 2020-09-11 | 2020-12-04 | 合肥鑫晟光电科技有限公司 | Array substrate and display device |
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