CN114253036B - Pixel electrode, array substrate and display device - Google Patents
Pixel electrode, array substrate and display device Download PDFInfo
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- CN114253036B CN114253036B CN202111614299.6A CN202111614299A CN114253036B CN 114253036 B CN114253036 B CN 114253036B CN 202111614299 A CN202111614299 A CN 202111614299A CN 114253036 B CN114253036 B CN 114253036B
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- 239000000758 substrate Substances 0.000 title claims abstract description 34
- 238000005516 engineering process Methods 0.000 description 15
- 244000126211 Hericium coralloides Species 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- G02F1/1343—Electrodes
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The application relates to a pixel electrode, an array substrate and a display device. The array substrate comprises a wiring connection part, a first electrode part and an electrode connection part, wherein the wiring connection part is arranged on the first electrode part; the electrode connecting part is connected with the first electrode part, and the electrode connecting part is connected with the wiring connecting part through the first electrode part. The pixel electrode is arranged on the first electrode part, and the electrode connecting part is arranged with the wiring connecting part which is connected with the first electrode part, so that an intermediate connecting piece is not required to be arranged to connect the wiring connecting part, the size and the area of the pixel electrode are reduced, and the number of the pixel electrodes in the display device is increased.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a pixel electrode, an array substrate, and a display device.
Background
With the development of virtual reality (VirtualReality, VR) technology, various products based on virtual reality technology are presented in society. The virtual reality technology is used as a sophisticated technology, integrates the technologies of computer graphics technology, computer simulation technology, artificial intelligence, sensing technology, display technology, network parallel processing and the like, and can be said to be a high-technology simulation technology based on the computer technology. The method is characterized in that an artificial virtual environment is generated by computer control, and the virtual environment is an artificial environment which takes visual feeling as a main part and auditory and tactile comprehensive perception as an auxiliary part by programming a three-dimensional digital model of a computer graphic technology into a computer.
The most central of the virtual reality technology is VR display devices, most of the existing VR display devices are 1000PPI (pixel density) level products, the pixel size of the existing VR display devices is about 10 μm (micrometers), and the pixel density of the conventional display devices is below 400PPI, so that the difference pixel density between the conventional display devices and the VR display devices is larger. The difference between the conventional display device and the VR display device is that the response speed of the VR display device is far higher than that of the conventional display device, so that the conventional display device cannot be applied to the VR device.
At present, a pixel electrode in the existing VR display device has better response time and transmittance; as shown in fig. 1, a pixel electrode in the VR display device has a comb shape, and the pixel electrode includes a travelling member connector 1 and a comb tooth connector 3, and a plurality of comb teeth are connected to the comb tooth connector 3. The comb-tooth connector 3 is connected to the running-member connector 1 via an intermediate connector 2, the running-member connector 1 being intended to be connected to a common electrode in a display device. Since the comb-tooth connector 3 of the pixel electrode is connected with the runner connector 1 through the intermediate connector 2, the intermediate connector 2 increases the size and area of the pixel electrode, thereby reducing the number of pixel electrodes in the display device.
Disclosure of Invention
Based on this, it is necessary to provide a pixel electrode, an array substrate and a display device, which solve the problem that the number of pixel electrodes in the display device is reduced because the size and the area of the pixel electrode are increased by the existing intermediate connector for the pixel electrode.
To achieve the above object, in one aspect, an embodiment of the present application provides a pixel electrode, including:
a wiring connection part;
the first electrode part is arranged on the wiring connecting part;
and the electrode connecting part is connected with the first electrode part, and the electrode connecting part is connected with the wiring connecting part through the first electrode part.
Optionally, the pixel electrode further includes:
and the second electrode part is connected with the electrode connecting part and is arranged at intervals with the first electrode part.
Optionally, the first electrode portion and the second electrode portion are connected to the electrode connection portion in a comb shape, and the first electrode portion and the second electrode portion are sequentially arranged along the first direction.
Optionally, the pixel electrode includes a plurality of electrode portions, the first electrode portion is a first electrode portion or a last electrode portion arranged along a first direction in the plurality of electrode portions, and the routing connection portion is disposed on a side of the first electrode portion facing away from the second electrode portion.
Optionally, the included angle between the first electrode portion and the second direction is not equal to the included angle between the second electrode portion and the second direction, and the second direction is perpendicular to the first direction.
Optionally, an included angle between the first electrode portion and the second direction is smaller than an included angle between the second electrode portion and the second direction.
Optionally, the width of the electrode connection portion is less than or equal to the width of the first electrode portion.
Optionally, an included angle between the second electrode portion and the second direction is less than or equal to 35 °.
On the other hand, the embodiment of the application also provides an array substrate, which comprises any one of the pixel electrodes.
On the other hand, the embodiment of the application also provides a display device, which comprises the array substrate.
One of the above technical solutions has the following advantages and beneficial effects:
the application provides a pixel electrode, array substrate and display device, will walk the line connecting portion and locate on the first electrode portion, set up electrode connecting portion and walk the line connecting portion simultaneously and pass through first electrode portion and be connected, so need not to set up the intermediate junction spare in order to connect and walk the line connecting portion, so reduced the size and the area of pixel electrode, consequently increased the quantity of pixel electrode in the display device.
Drawings
Fig. 1 is a schematic diagram of a conventional pixel electrode.
Fig. 2 is a schematic structural diagram of a pixel electrode according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of another pixel electrode according to an embodiment of the present application.
Fig. 4 is a schematic cross-sectional view of an array substrate according to an embodiment of the present application.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "stacked," "one side," "another side," and the like are used herein for illustrative purposes only. Furthermore, the terms first, second and the like in the present application are not used for distinguishing between different elements and not necessarily for describing a sequential or chronological order.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
At present, as shown in fig. 1, a pixel electrode in a conventional VR display device has a comb shape, and the pixel electrode includes a travelling member connector 1 and a comb tooth connector 3, and a plurality of comb teeth are connected to the comb tooth connector 3. The comb-tooth connector 3 is connected to the running-member connector 1 via an intermediate connector 2, the running-member connector 1 being intended to be connected to a common electrode in a display device. Since the comb-tooth connector 3 of the pixel electrode is connected with the runner connector 1 through the intermediate connector 2, the intermediate connector 2 increases the size and area of the pixel electrode, thereby reducing the number of pixel electrodes in the display device.
In order to solve the above-mentioned problems, embodiments of the present application provide a pixel electrode, an array substrate and a display device, and the following description will be made with reference to the accompanying drawings. For example, referring to fig. 2, fig. 2 is a schematic structural diagram of a pixel electrode according to an embodiment of the present application. The pixel electrode 100 includes a wiring connection portion 101, a first electrode portion 102, and an electrode connection portion 103, the wiring connection portion 101 being disposed on the first electrode portion 102; the electrode connection portion 103 is connected to the first electrode portion 102, and the electrode connection portion 103 and the wiring connection portion 101 are connected through the first electrode portion 102.
The pixel electrode 100 provided in this embodiment locates the trace connection portion 101 on the first electrode portion 102, and simultaneously sets the electrode connection portion 103 to be connected with the trace connection portion 101 through the first electrode portion 102, so that an intermediate connection member is not required to be set to connect the trace connection portion 101, so that the size and the area of the pixel electrode 100 are reduced, and the number of the pixel electrodes 100 in the display device is increased.
Illustratively, the pixel electrode 100 further includes a second electrode portion 104, the second electrode portion 104 is connected to the electrode connection portion 103, and the second electrode portion 104 is spaced apart from the first electrode portion 102. As shown in fig. 2, the first electrode 102 and the second electrode 104 are connected to the electrode connection 103 in a comb shape, and the first electrode 102 and the second electrode 104 are arranged in sequence along a first direction, which is shown by an arrow X. The wiring connection part 101 is arranged on one side of the first electrode part 102, which is away from the second electrode part 104, and the wiring connection part 101 is used for being connected with a common electrode on the array substrate; the electrode connection portion 103 may be provided in parallel with the first direction in the longitudinal direction.
Fig. 3 is a schematic structural diagram of another pixel electrode 100 according to an embodiment of the present application. The pixel electrode 100 in this embodiment of the present application includes a plurality of electrode portions, where the first electrode portion 102 is a first electrode portion or a last electrode portion of the plurality of electrode portions that is arranged along a first direction. When the first electrode portion 102 is the first electrode portion of the plurality of electrode portions arranged along the first direction, the trace connecting portion 101 is disposed on a side of the first electrode portion 102 away from the second electrode portion 104, so that the trace connecting portion 101, the first electrode portion 102 and the second electrode portion 104 are sequentially disposed along the first direction, that is, the trace connecting portion 101 is disposed above the first electrode portion 102 in fig. 3. When the first electrode 102 is the last electrode of the plurality of electrode parts arranged along the first direction, the second electrode 104 and the trace connecting part 101 are sequentially arranged along the first direction, because the trace connecting part 101 is disposed on a side of the first electrode 102 facing away from the second electrode 104.
After such arrangement, the wiring connection portion 101 can be prevented from being arranged between the first electrode portion 102 and the second electrode portion 104 (or the wiring connection portion 101 can be prevented from being arranged between any two adjacent electrode portions); in order to ensure that there is a space between the first electrode 102 and the second electrode 104, if the wiring connection portion 101 is disposed between the first electrode 102 and the second electrode 104, the space between the first electrode 102 and the second electrode 104 increases, resulting in an increase in the size and the occupied area of the pixel electrode 100. Therefore, the wiring connection portion 101 is prevented from being disposed between the first electrode portion 102 and the second electrode portion 104, and the size and the occupied area of the pixel electrode 100 can be further reduced.
As shown in fig. 3, the angle between the first electrode 102 and the second direction is not equal to the angle between the second electrode 104 and the second direction, and the second direction is perpendicular to the first direction, and the second direction is shown by the arrow Y. The angle between the first electrode 102 and the second direction is the angle between the lower side of the first electrode 102 and the second direction in fig. 3, and the angle between the second electrode 104 and the second direction is the angle α between the lower side of the second electrode 104 and the second direction in fig. 3.
Illustratively, the pixel electrode 100 further includes a third electrode 105, the third electrode 105 is connected to the electrode connection 103, and the first electrode 102, the second electrode 104, and the third electrode 105 are sequentially disposed at intervals along the first direction. Wherein, the included angle between the first electrode portion 102 and the second direction is smaller than the included angle between the second electrode portion 104 and the second direction, the included angle between the second electrode portion 104 and the second direction is smaller than the included angle between the third electrode portion 105 and the second direction, and the included angle between the third electrode portion 105 and the second direction is the included angle between the lower side edge of the third electrode portion 105 and the second direction in fig. 3; in the application, the included angles between each electrode part and the second direction are all more than or equal to 3 degrees, and the included angles between each electrode part and the second direction are all less than or equal to 35 degrees. Since the included angle between the first electrode 102 and the second direction is smaller than the included angle between the second electrode 104 and the second direction, the included angle between the second electrode 104 and the second direction is smaller than the included angle between the third electrode 105 and the second direction, so that a structure is formed on the pixel electrode 100 that the included angles between the electrode portions and the second direction are sequentially increased, and the pixel electrode 100 has a higher transmittance.
In addition to the above, another solution may be adopted for the pixel electrode 100, where an angle between the first electrode portion 102 and the second direction is larger than an angle between the second electrode portion 104 and the second direction, and an angle between the second electrode portion 104 and the second direction is larger than an angle between the third electrode portion 105 and the second direction. Since the included angle between the first electrode 102 and the second direction is larger than the included angle between the second electrode 104 and the second direction, the included angle between the second electrode 104 and the second direction is larger than the included angle between the third electrode 105 and the second direction, so that a structure is formed on the pixel electrode 100 in which the included angles between the electrode portions and the second direction decrease in sequence.
Illustratively, the width of the electrode connecting portion 103 in the present application is equal to or less than the width of the first electrode portion 102; the width of the electrode connection portion 103 refers to the width of the electrode connection portion 103 in the second direction, and the width of the first electrode portion 102 refers to the width of the first electrode portion 102 in the first direction. By this arrangement, the width of the electrode connection portion 103 is smaller than or equal to the width of the first electrode portion 102, the width of the electrode connection portion 103 is reduced, and the transmittance of the pixel electrode 100 can be improved.
In the present application, the material of the pixel electrode 100 includes transparent conductive materials such as indium tin oxide, indium zinc oxide, indium gallium zinc oxide, or aluminum-doped zinc oxide materials; note that the pixel electrode 100 may be made of other materials, which is not limited herein.
The embodiment of the application also provides an array substrate, which comprises: the above embodiment provides the pixel electrode 100. The array substrate is provided with a plurality of pixel units distributed in an array, each pixel unit in the plurality of pixel units comprises a plurality of sub-pixel areas, and each sub-pixel area in the plurality of sub-pixel areas is provided with the pixel electrode 100 provided by the embodiment.
In the pixel electrode 100 of the present application, the trace connection portion 101 is disposed on the first electrode portion 102, and the electrode connection portion 103 is disposed to be connected with the trace connection portion 101 through the first electrode portion 102, so that an intermediate connector is not required to be disposed to connect the trace connection portion 101, and the size and area of the pixel electrode 100 are reduced. The size and area of the pixel electrode 100 are smaller, and the size and area of the sub-pixel region accommodating the pixel electrode 100 are smaller, so that more sub-pixel regions can be provided per pixel unit.
The pixel electrode 100 may further include a second electrode portion 104, the second electrode portion 104 is connected to the electrode connection portion 103, and the second electrode portion 104 is spaced apart from the first electrode portion 102. As shown in fig. 2, the first electrode 102 and the second electrode 104 are connected to the electrode connection 103 in a comb shape, and the first electrode 102 and the second electrode 104 are arranged in sequence along a first direction, which is shown by an arrow X. The wiring connection part 101 is arranged on one side of the first electrode part 102, which is away from the second electrode part 104, and the wiring connection part 101 is used for being connected with a common electrode on the array substrate; the electrode connection portion 103 may be provided in parallel with the first direction in the longitudinal direction.
As shown in fig. 3, the pixel electrode 100 in the embodiment of the present application includes a plurality of electrode portions, and the first electrode portion 102 is a first electrode portion or a last electrode portion of the plurality of electrode portions that is arranged along the first direction. When the first electrode portion 102 is the first electrode portion of the plurality of electrode portions arranged along the first direction, the trace connecting portion 101 is disposed on a side of the first electrode portion 102 away from the second electrode portion 104, so that the trace connecting portion 101, the first electrode portion 102 and the second electrode portion 104 are sequentially disposed along the first direction, that is, the trace connecting portion 101 is disposed above the first electrode portion 102 in fig. 3. When the first electrode 102 is the last electrode of the plurality of electrode parts arranged along the first direction, the second electrode 104 and the trace connecting part 101 are sequentially arranged along the first direction, because the trace connecting part 101 is disposed on a side of the first electrode 102 facing away from the second electrode 104.
After such arrangement, the wiring connection portion 101 can be prevented from being arranged between the first electrode portion 102 and the second electrode portion 104 (or the wiring connection portion 101 can be prevented from being arranged between any two adjacent electrode portions); in order to ensure that there is a space between the first electrode 102 and the second electrode 104, if the wiring connection portion 101 is disposed between the first electrode 102 and the second electrode 104, the space between the first electrode 102 and the second electrode 104 increases, resulting in an increase in the size and the occupied area of the pixel electrode 100. Therefore, the wiring connection portion 101 is prevented from being disposed between the first electrode portion 102 and the second electrode portion 104, and the size and the occupied area of the pixel electrode 100 can be further reduced.
As shown in fig. 3, the angle between the first electrode 102 and the second direction is not equal to the angle between the second electrode 104 and the second direction, and the second direction is perpendicular to the first direction, and the second direction is shown by the arrow Y. The angle between the first electrode 102 and the second direction is the angle between the lower side of the first electrode 102 and the second direction in fig. 3, and the angle between the second electrode 104 and the second direction is the angle α between the lower side of the second electrode 104 and the second direction in fig. 3.
Illustratively, the pixel electrode 100 further includes a third electrode 105, the third electrode 105 is connected to the electrode connection 103, and the first electrode 102, the second electrode 104, and the third electrode 105 are sequentially disposed at intervals along the first direction. Wherein, the included angle between the first electrode portion 102 and the second direction is smaller than the included angle between the second electrode portion 104 and the second direction, the included angle between the second electrode portion 104 and the second direction is smaller than the included angle between the third electrode portion 105 and the second direction, and the included angle between the third electrode portion 105 and the second direction is the included angle between the lower side edge of the third electrode portion 105 and the second direction in fig. 3; in the application, the included angles between each electrode part and the second direction are all more than or equal to 3 degrees, and the included angles between each electrode part and the second direction are all less than or equal to 35 degrees. Since the included angle between the first electrode 102 and the second direction is smaller than the included angle between the second electrode 104 and the second direction, the included angle between the second electrode 104 and the second direction is smaller than the included angle between the third electrode 105 and the second direction, so that a structure is formed on the pixel electrode 100 that the included angles between the electrode portions and the second direction are sequentially increased, and the pixel electrode 100 has a higher transmittance.
In addition to the above, another solution may be adopted for the pixel electrode 100, where an angle between the first electrode portion 102 and the second direction is larger than an angle between the second electrode portion 104 and the second direction, and an angle between the second electrode portion 104 and the second direction is larger than an angle between the third electrode portion 105 and the second direction. Since the included angle between the first electrode 102 and the second direction is larger than the included angle between the second electrode 104 and the second direction, the included angle between the second electrode 104 and the second direction is larger than the included angle between the third electrode 105 and the second direction, so that a structure is formed on the pixel electrode 100 in which the included angles between the electrode portions and the second direction decrease in sequence.
Illustratively, the width of the electrode connecting portion 103 in the present application is equal to or less than the width of the first electrode portion 102; the width of the electrode connection portion 103 refers to the width of the electrode connection portion 103 in the second direction, and the width of the first electrode portion 102 refers to the width of the first electrode portion 102 in the first direction. By this arrangement, the width of the electrode connection portion 103 is smaller than or equal to the width of the first electrode portion 102, the width of the electrode connection portion 103 is reduced, and the transmittance of the pixel electrode 100 can be improved.
Referring to fig. 4, fig. 4 is a schematic cross-sectional view of an array substrate according to an embodiment of the present application, where the array substrate includes: a substrate 11; a light shielding layer 12 provided on the substrate 11; a first insulating layer 13 disposed on the substrate 11 and covering the light shielding layer 12; an active layer 14 disposed on the first insulating layer 13; a second insulating layer 15 disposed on the first insulating layer 13 and covering the active layer 14, wherein the second insulating layer 15 has vias on both sides of the active layer 14 to expose both sides of the active layer 14; a gate electrode 16 disposed on the second insulating layer 15; a gate insulating layer 17 disposed on the second insulating layer 15 and covering the gate electrode 16; a source electrode 18 and a drain electrode 19 disposed on the gate insulating layer 17 and overlapped with both sides of the active layer 14 through the via hole; a third insulating layer 20 disposed on the gate insulating layer 17 and covering the source electrode 18 and the drain electrode 19, and the third insulating layer 20 having a via hole at the drain electrode 19 to expose an upper surface of the drain electrode 19; a common electrode layer 21 disposed on the third insulating layer 20; a fourth insulating layer 22 disposed on the third insulating layer 20 and covering the common electrode layer 21, the fourth insulating layer 22 having a via hole at a position of the drain electrode 19 to expose an upper surface of the drain electrode 19; and a pixel electrode 100 layer disposed on the fourth insulating layer 22, wherein the pixel electrode 100 layer is overlapped with the drain electrode 19 through the via hole.
In addition, a plurality of gate lines and a plurality of data lines crossing each other are disposed on the array substrate, the plurality of gate lines and the plurality of data lines define a plurality of rectangular regions arranged in an array, and the plurality of sub-pixel regions correspond to the plurality of rectangular regions.
The pixel electrode 100 provided in the embodiment of the present application is located in the pixel electrode 100 layer, the pixel electrode 100 is correspondingly disposed in the sub-pixel region, the crossing positions of the gate lines and the data lines are all provided with transistor devices, the pixel electrode 100 in each of the sub-pixel regions is electrically connected with the corresponding transistor device, and the transistor device includes an active layer 14, a gate 16, a source 18 and a drain 19, i.e. the pixel electrode 100 can be electrically connected with the drain 19 in the transistor device, it should be noted that the pixel electrode 100 can also be electrically connected with the source 18 in the transistor device, which is not limited herein.
The array substrate includes a plurality of pixel units, each of the plurality of pixel units includes three sub-pixel regions including a first sub-pixel region, a second sub-pixel region and a third sub-pixel region, and a pixel electrode 100 is disposed in each of the first sub-pixel region, the second sub-pixel region and the third sub-pixel region. In this application, the first sub-pixel region may correspond to a blue sub-pixel, the second sub-pixel region may correspond to a green sub-pixel, and the third sub-pixel region may correspond to a red sub-pixel.
It should be noted that each pixel unit may further include two or four sub-pixel regions, and the corresponding color sub-pixels may be selected from a combination of red sub-pixels, green sub-pixels, blue sub-pixels, and white sub-pixels, which is not limited herein.
The embodiment of the application also provides a display device, which comprises: the array substrate provided in the above embodiment. The display device can be one of a VR display device, a mobile phone, a tablet personal computer, electronic paper and an electronic photo frame. It should be noted that the display device provided in the embodiment of the present invention may further include other circuits and devices for supporting the normal operation of the display device, for example, a color film substrate 11 and a liquid crystal layer, where the array substrate, the liquid crystal layer and the color film substrate 11 are sequentially stacked, so that the liquid crystal layer is disposed between the color film substrate 11 and the array substrate. The color film substrate 11 includes a substrate 11 and a color pixel layer disposed on a side of the color film substrate 11 facing the liquid crystal layer, wherein color sub-pixels in the color pixel layer may be selected from red sub-pixels, green sub-pixels, blue sub-pixels, and white sub-pixels, and correspond to the sub-pixel regions.
In summary, the present application provides a pixel electrode 100, an array substrate and a display device, in which a trace connection portion 101 is disposed on a first electrode portion 102, and an electrode connection portion 103 is disposed on the trace connection portion 101 and connected to the trace connection portion 101 through the first electrode portion 102, so that an intermediate connection member is not required to be disposed to connect the trace connection portion 101, so that the size and the area of the pixel electrode 100 are reduced, and the number of the pixel electrodes 100 in the display device is increased.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (5)
1. A pixel electrode, wherein the pixel electrode comprises:
a wiring connection part;
the first electrode part is arranged on the wiring connecting part;
an electrode connection part connected with the first electrode part, wherein the electrode connection part is connected with the wiring connection part through the first electrode part; the pixel electrode further comprises a second electrode part which is connected with the electrode connecting part, the second electrode part is opposite to the first electrode part and is arranged at intervals, the electrode connecting part is connected between the first electrode part and the second electrode part, and the wiring connecting part is arranged in the middle of the first electrode part and is far away from the second electrode part; the first electrode part and the second electrode part are connected with the electrode connecting part to form a comb shape, and the first electrode part and the second electrode part are sequentially arranged along a first direction; an included angle between the lower side edge of the first electrode part and a second direction is smaller than an included angle between the lower side edge of the second electrode part and the second direction, the second direction is perpendicular to the first direction, and the second direction is the width direction of the electrode connecting part;
the included angle between the second electrode part and the second direction is more than or equal to 3 degrees and less than or equal to 35 degrees, and the width of the second electrode part gradually increases towards the direction far away from the electrode connecting part.
2. The pixel electrode according to claim 1, wherein the pixel electrode comprises a plurality of electrode parts, the first electrode part is a first electrode part or a last electrode part arranged along a first direction in the plurality of electrode parts, and the wiring connection part is arranged on one side of the first electrode part away from the second electrode part.
3. A pixel electrode according to any one of claims 1 to 2, wherein the width of the electrode connection portion is equal to or less than the width of the first electrode portion.
4. An array substrate comprising the pixel electrode of any one of claims 1 to 3.
5. A display device comprising the array substrate of claim 4.
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