CN114428419B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN114428419B CN114428419B CN202210153122.9A CN202210153122A CN114428419B CN 114428419 B CN114428419 B CN 114428419B CN 202210153122 A CN202210153122 A CN 202210153122A CN 114428419 B CN114428419 B CN 114428419B
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- display panel
- layer
- display
- black matrix
- reference voltage
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
Abstract
The application discloses a display panel and a display device. The display panel includes: an array substrate, a liquid crystal layer and a black matrix layer. The display panel comprises a display area and a non-display area surrounding the display area, the black matrix layer comprises a groove, the groove surrounds the display area, the array substrate comprises reference voltage wires, and the projection of the reference voltage wires on the black matrix layer covers the groove on the side edge of the display panel. According to the display panel disclosed by the application, the reference voltage wiring is arranged on the array substrate, and the projection of the reference voltage wiring on the black matrix layer covers the groove on the side edge of the display panel, so that the problem of poor light leakage of the display panel can be effectively avoided, and the display quality of the display panel is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
In order to prevent electrostatic discharge (ESD) during cutting, the LCD mobile phone product generally performs a peripheral grooving process on a Black Matrix (BM) on a Color Filter (CF) side to block abnormal images caused by the influence of Static electricity on a display area (AA area). Meanwhile, in order to prevent light leakage from a large viewing angle at the notched place, the notched place is filled with Blue (Blue) pixels, and the CF side BM notched place is typically at the Gate (Gate) or Source Drain (SD) trace of the LCD reference voltage line (Vcom) around the AA area on the Array substrate (Array) side, as shown in fig. 1.
However, due to the narrow frame, the width of the LCD reference voltage line (Vcom) at the left and right edges and the special-shaped display panel is limited, and the touch screen (TP) with the high-generation panel lines Array and CF combined is low in accuracy, so that the abnormal alignment of the liquid crystal due to the fringe electric field is easy to occur, and thus the obvious edge light leakage bad phenomenon occurs, as shown in fig. 2, and the display quality of the display panel is affected.
Disclosure of Invention
In view of this, the present application aims to solve, at least to some extent, one of the problems in the related art. To this end, an object of the present application is to provide a display panel and a display device.
The embodiment of the application provides a display panel. The display panel includes: the display panel comprises a display area and a non-display area surrounding the display area, the black matrix layer comprises a groove surrounding the display area, the array substrate comprises reference voltage wires, and the projection of the reference voltage wires on the black matrix layer covers the groove on the side edge of the display panel.
In some embodiments, the reference voltage trace is at a distance of greater than or equal to 10um from a projected edge of the black matrix layer to the recess edge.
In some embodiments, the display panel includes a notch region, the array substrate includes a gate signal line, the gate signal line includes a square portion in the notch region, and a projection of the square portion on the black matrix layer at least partially covers the groove.
In some embodiments, the reference signal trace is disposed in the notch area in a multi-section bending manner and is formed with a plurality of corners, the square portion is located at least one corner, and the projection of the square portion and the reference signal trace on the black matrix layer covers the groove of the notch area.
In certain embodiments, the grooves comprise blind grooves or through grooves.
In some embodiments, the array substrate includes a gate layer, an active layer, a first electrode layer, a source drain layer, a passivation layer, and a second electrode layer that are sequentially stacked, where the second electrode layer is provided with the reference voltage trace.
In some embodiments, the array substrate includes a gate layer, an insulating layer, an active layer, a source drain layer, a flat layer, a first electrode layer, a passivation layer, and a second electrode layer that are sequentially stacked, where the first electrode layer is provided with the reference voltage trace.
In some embodiments, the recess is filled with a colored block.
In some embodiments, the display panel includes a color film layer, the black matrix is formed with a plurality of openings in the display area, and the color film layer is disposed corresponding to the plurality of openings.
The application provides a display device. The display device includes the display panel according to any one of the above embodiments.
According to the display panel and the display device, the reference voltage wiring is arranged on the array substrate, and the projection of the reference voltage wiring on the black matrix layer covers the groove on the side edge of the display panel, so that the problem of poor light leakage of the display panel can be effectively avoided, and the display quality of the display panel is improved.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a conventional display panel;
FIG. 2 is a schematic diagram of an edge light leakage phenomenon of a conventional display panel;
FIG. 3 is a schematic diagram of a display panel according to some embodiments of the present application;
FIG. 4 is a schematic cross-sectional structure of a display panel according to some embodiments of the present application;
FIG. 5 is a schematic top view of a display panel according to some embodiments of the present application;
FIG. 6 is a schematic structural view of a substrate base plate of a display panel according to some embodiments of the present application;
fig. 7 is a schematic structural view of a display device according to some embodiments of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.
Referring to fig. 3, in order to improve the edge light leakage phenomenon of the display panel shown in fig. 2, the present application provides a display panel 100. The display panel 100 includes: an array substrate 10, a liquid crystal layer 20 and a black matrix layer 30. The display panel 100 includes a display area 101 and a non-display area 102 surrounding the display area 101, and the black matrix layer 30 includes a groove 31, the groove 31 surrounding the display area 101. The array substrate 10 includes a reference voltage trace 11, and a projection of the reference voltage trace 11 on the black matrix layer 30 covers a groove 31 on a side of the display panel 100.
In this way, in the display panel 100 of the present application, the reference voltage trace 11 is disposed on the array substrate 10, and the projection of the reference voltage trace 11 on the black matrix layer 30 covers the groove 31 on the side of the display panel 100, so that the problem of poor light leakage of the display panel 100 can be effectively avoided, and the display quality of the display panel 100 is improved.
Referring to fig. 3 and 4 again, the distance from the projection edge of the reference voltage trace 11 to the edge of the groove 31 of the black matrix layer 30 is greater than or equal to 10um.
In this way, the reference voltage trace 11 can completely cover the groove 31 in the black matrix 30, so as to further avoid the problem of poor light leakage of the display panel 100, and further improve the display quality of the display panel 100.
In addition, the edge distance of the reference voltage wiring 11 covering the groove 31 is kept above 10um, so that a larger frame space can be reserved, and the structural layout of the outer frame of the display panel 100 is more reasonable.
Referring to fig. 5, the display panel 100 includes a notch area 103, the array substrate 10 includes a Gate (Gate) signal line 12, the Gate signal line 12 includes a square portion 121 in the notch area 103, and a projection of the square portion 121 on the black matrix layer 30 at least partially covers the recess 31.
Wherein the projection of the square portion 121 on the black matrix layer 30 at least partially covers the groove 31 includes the following cases: (1) One corner of the square block 121 covers the groove 31 (as shown in fig. 5); (2) the entire square portion 121 covers the groove 31; (3) Most of the area of more than one corner of the square block 121 covers the recess 31. That is, the square portion 121 may be disposed to just cover the area of the groove 31 or may be disposed to be larger than the area of the groove 31, which is not limited herein.
As can be appreciated, the notch area 103 is disposed at the corner of the groove 31 in the display panel 100 corresponding to the gate signal line 12, so that the length of the slot can be reduced as much as possible, and the area of the non-display area 102 can be minimized, thereby maximizing the area of the display area 101 and improving the user experience.
As can be seen from fig. 5, the square portion 121 is disposed at the gate signal line 12 corresponding to the notch region 103, so as to at least partially cover the recess 31, thereby avoiding the light leakage phenomenon of the display panel 100. The block 121 may be a metal block or a block made of other materials, which is not limited herein.
The reference signal trace 11 is bent in a plurality of segments in the notch area 103 and is formed with a plurality of corners, the square block 121 is located at least one corner, and the projection of the square block 121 and the reference signal trace 11 on the black matrix layer 30 covers the groove 31 of the notch area 103. Specifically, the reference signal trace 11 is disposed in a multi-segment bend in the notch area 103, and only a portion of the reference signal trace 11 of the display panel 100 is shown in fig. 5, and the portion of the reference signal trace 11 is formed in a 6-segment bend, and 5 corners are formed, and 3 corners corresponding to the gate signal 12 are provided with square block portions 121, that is, 3 square block portions 121 are shown in total in fig. 5.
In this way, the display panel 100 of the present application cooperates with the arrangement of the grooves 31 and the square parts 121 by arranging the reference voltage traces 11 on the projection of the black matrix layer 30 to cover the side of the display panel 100, so that the display panel 100 of the present application avoids the light leakage phenomenon of the display panel 100 on the basis that the arrangement of the grooves 31 is reasonable and is beneficial to the miniaturization of the area of the non-display area 102.
In certain embodiments, the grooves 31 comprise blind grooves or through grooves, i.e., the grooves 31 may or may not be filled with a substance.
Specifically, if the groove 31 is a blind groove, that is, the groove 31 may be filled with a light-tight substance, as shown in fig. 3, the groove 31 may be filled with a color block, and the color block filled in the groove 31 has a certain light transmittance and cannot completely block light, so that the light leakage phenomenon of the display panel 100 can be further avoided.
If the groove 31 is a through groove, the color block is not filled in the groove 31, and the light leakage phenomenon of the display panel 100 is avoided by only relying on the matching effect of the groove 31 and the square block 121 on the side of the display panel 100 covered by the projection of the reference voltage trace 11 on the black matrix layer 30, so that no material is needed to be filled in the groove 31, and the display panel 100 is simpler to manufacture.
Referring to fig. 6, the array substrate 10 includes a gate layer 131, an active layer 141, a first electrode layer 151, a source drain layer 161, a passivation layer 171, and a second electrode layer 181, which are sequentially stacked. The second electrode layer 181 is provided with a reference voltage trace 11.
In this way, the array substrate 10 of the present application can add the reference voltage trace 11 on the second electrode layer 181 based on the conventional level arrangement, so as to realize shielding of the groove 31 and avoid light leakage of the display panel 100.
The array substrate 10 includes a gate layer 132, an insulating layer 142, an active layer 152, a source drain layer 162, a planarization layer 172, a first electrode layer 182, a passivation layer 192, and a second electrode layer 193, which are sequentially stacked, and the first electrode layer 182 is provided with a reference voltage trace 11.
Therefore, the array substrate 10 of the present application can add the reference voltage trace 11 on the first electrode layer 182 based on the conventional level arrangement, so as to realize shielding of the groove 31 and avoid light leakage of the display panel 100.
Referring to fig. 3, the display panel 100 includes a color film layer 40, the black matrix layer 30 is formed with a plurality of openings 32 in the display area 101, and the color film layer 40 is disposed corresponding to the plurality of openings 32. The color film layer 40 includes three color layers of red (R), green (G), and blue (B). The display panel 100 of the present application can realize a color display effect of the display panel 100 by providing the color film layer 40 in the display area 101.
Referring to fig. 7, the present application further provides a display apparatus 1000. The display device 1000 includes the display panel 100 described previously. The structure of the display panel 100 is as described above, and is not described herein.
According to the display panel 100 in the display device 1000, the reference voltage wiring is arranged on the array substrate, and the projection of the reference voltage wiring on the black matrix layer covers the groove on the side edge of the display panel, so that the problem of poor light leakage of the display panel can be effectively avoided, and the display quality of the display panel is improved.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (8)
1. A display panel, comprising: the display panel comprises a display area and a non-display area surrounding the display area, the black matrix layer comprises a groove surrounding the display area, the array substrate comprises a reference voltage wire, and the projection of the reference voltage wire on the black matrix layer covers the groove on the side edge of the display panel;
the display panel comprises a notch area, the array substrate comprises a gate signal line, the gate signal line comprises a square part in the notch area, and the projection of the square part on the black matrix layer at least partially covers the groove;
the reference signal wiring is arranged in the notch area in a multi-section bending mode, a plurality of corners are formed, the square block part is located at least one corner, and the projection of the square block part and the reference signal wiring on the black matrix layer covers the groove of the notch area.
2. The display panel of claim 1, wherein a distance from a projection edge of the reference voltage trace at the black matrix layer to the recess edge is greater than or equal to 10um.
3. The display panel of claim 1, wherein the recess comprises a blind recess or a through recess.
4. The display panel according to claim 1, wherein the array substrate includes a gate layer, an active layer, a first electrode layer, a source drain layer, a passivation layer, and a second electrode layer, which are sequentially stacked, and the second electrode layer is provided with the reference voltage trace.
5. The display panel according to claim 1, wherein the array substrate comprises a gate layer, an insulating layer, an active layer, a source drain layer, a planarization layer, a first electrode layer, a passivation layer, and a second electrode layer, which are sequentially stacked, and the first electrode layer is provided with the reference voltage trace.
6. The display panel of claim 1, wherein the recess is filled with colored blocks.
7. The display panel according to claim 1, wherein the display panel includes a color film layer, the black matrix layer is formed with a plurality of openings in the display area, and the color film layer is disposed corresponding to the plurality of openings.
8. A display device comprising the display panel of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210153122.9A CN114428419B (en) | 2022-02-18 | 2022-02-18 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210153122.9A CN114428419B (en) | 2022-02-18 | 2022-02-18 | Display panel and display device |
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| Publication Number | Publication Date |
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| CN114428419A CN114428419A (en) | 2022-05-03 |
| CN114428419B true CN114428419B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210153122.9A Active CN114428419B (en) | 2022-02-18 | 2022-02-18 | Display panel and display device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153076A (en) * | 2018-01-16 | 2018-06-12 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
| CN108873520A (en) * | 2018-06-28 | 2018-11-23 | 武汉华星光电技术有限公司 | A kind of liquid crystal display panel |
| CN108873461A (en) * | 2018-07-19 | 2018-11-23 | Oppo（重庆）智能科技有限公司 | Liquid crystal display panel, liquid crystal display device and the method for preparing liquid crystal display panel |
| CN111708208A (en) * | 2020-06-12 | 2020-09-25 | 深圳传音控股股份有限公司 | Display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607332A (en) * | 2016-01-04 | 2016-05-25 | 京东方科技集团股份有限公司 | Color film substrate, display panel and display device |
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- 2022-02-18 CN CN202210153122.9A patent/CN114428419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108153076A (en) * | 2018-01-16 | 2018-06-12 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
| CN108873520A (en) * | 2018-06-28 | 2018-11-23 | 武汉华星光电技术有限公司 | A kind of liquid crystal display panel |
| CN108873461A (en) * | 2018-07-19 | 2018-11-23 | Oppo（重庆）智能科技有限公司 | Liquid crystal display panel, liquid crystal display device and the method for preparing liquid crystal display panel |
| CN111708208A (en) * | 2020-06-12 | 2020-09-25 | 深圳传音控股股份有限公司 | Display device |
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| CN114428419A (en) | 2022-05-03 |
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