CN210626821U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN210626821U CN210626821U CN201920990666.4U CN201920990666U CN210626821U CN 210626821 U CN210626821 U CN 210626821U CN 201920990666 U CN201920990666 U CN 201920990666U CN 210626821 U CN210626821 U CN 210626821U
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Abstract
The application discloses a display panel and a display device, wherein the display panel comprises a first substrate, a second substrate and an alignment mark; the second substrate and the first substrate are arranged in a box pair; the alignment mark is arranged in the non-display area of the first substrate or the second substrate and comprises a hollow-out area. The technical scheme of this application can effectively improve the counterpoint precision of product.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
With the continuous progress and development of science and technology and the continuous innovation of technology, the display panel has gone deep into people's daily life, and people's requirement to the display panel also promotes gradually, and with the emergence of the display panel of narrow frame, a series of innovations have also appeared to the manufacturing process of display panel.
When counterpointing to the display panel of narrow frame, there is the counterpoint mark and is sheltered from, and counterpoint mark discernment is unclear scheduling problem, leads to the unable effective discernment of board to counterpoint the mark, and then can't carry out follow-up process, influences display panel's preparation.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a display panel and a display device, and effectively improving the alignment precision of products.
The application discloses a display panel, which comprises a first substrate, a second substrate and an alignment mark; the second substrate and the first substrate are arranged in a box pair; the alignment mark is arranged in the non-display area of the first substrate or the second substrate and comprises a hollow-out area.
Optionally, the display panel includes a light-shielding layer, the light-shielding layer is disposed in the non-display region of the first substrate or the second substrate, the alignment mark further includes an alignment entity, the alignment entity is made of the same material as the light-shielding layer, and the alignment entity and the light-shielding layer are disposed on the same layer; the alignment entity is located in the hollow-out area.
Optionally, the display panel includes a light-shielding layer disposed in the non-display region of the first substrate or the second substrate; the hollow area forms the alignment mark on the light shielding layer.
Optionally, the hollow-out area is square, the side length of the hollow-out area is X, wherein X is greater than or equal to 800 micrometers and less than or equal to 1000 micrometers.
Optionally, the alignment entity is a cross-shaped structure.
Optionally, the alignment entity is composed of two first strips which are perpendicular to each other, the length of each first strip is Y, wherein Y is greater than or equal to 300 micrometers and less than or equal to 400 micrometers, and the distance from the edge of the alignment entity to the light shielding layer is 275 micrometers to 300 micrometers.
Optionally, the hollow-out area is formed by two second strips which are mutually perpendicular and crossed, the length of each second strip is Z, wherein Z is more than or equal to 300 micrometers and less than or equal to 400 micrometers, and the periphery of the hollow-out area is provided with a light shielding layer.
Optionally, the display panel further includes color resistors and black matrixes, the color resistors and the black matrixes are disposed in the display area of the second substrate, and the black matrixes are disposed between the color resistors at intervals; the alignment mark and the black matrix are arranged on the same layer and are made of the same material.
The application also discloses a display panel, which comprises a first substrate, a second substrate, an alignment mark, a polarizer and a shading layer. The first substrate includes a pixel electrode; the second substrate and the first substrate are arranged in a box pair; the alignment mark is arranged in a non-display area of the second substrate; the polaroid is positioned on the outer sides of the first substrate and the second substrate and covers the alignment mark; the light shielding layer is arranged in the non-display area of the second substrate;
the alignment mark comprises a hollow area and an alignment entity, the alignment entity is of a cross structure and is located in the hollow area, the alignment entity is made of the same material as the light shielding layer, and the alignment entity and the light shielding layer are arranged on the same layer.
The application also discloses a display device which comprises the display panel.
For the counterpoint mark that uses the metal preparation, the metal reflects light and causes the scheme that the board is difficult to discern, the counterpoint mark of this application includes the fretwork district, the fretwork district printing opacity to the counterpoint mark is comparatively obvious, makes the discernment that the board can be clear to the counterpoint mark, even if there is rete covers such as polaroid, also can accurate discernment, thereby smooth carry on subsequent polaroid, edging, become box test, laser cutting, module bind stage such as.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of an exemplary display panel of the present application;
fig. 2 is a schematic structural diagram of a display panel according to another embodiment of the present application;
fig. 3 is a schematic structural diagram of a display device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a display panel according to another embodiment of the present application;
FIG. 5 is an enlarged view at A in FIG. 4 of the present application;
fig. 6 is a schematic structural diagram of a display panel according to another embodiment of the present application.
100, a display device; 200. a display panel; 210. a first substrate; 220. a second substrate; 230. a polarizer; 240. aligning and marking; 250. a hollow-out area; 260 alignment entities; 270. a first strip; 280. a second strip; 300. and a light shielding layer.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The present application is described in detail below with reference to the figures and alternative embodiments.
As shown in fig. 1, an exemplary display panel is shown, where a display panel 200 includes a first substrate 210 and a second substrate 220 arranged in a box-to-box manner with the first substrate 210, four corners of the display panel 200 have alignment marks 240 for aligning a display screen and a machine, the alignment marks 240 are made of Al/Mo metal, and the alignment marks 240 may be used in subsequent stages of polarizer 230, edge grinding, box-forming testing, laser cutting, module bonding, and the like. For a COF (Chip on Film) product, since the terminal area of the panel is wide, the alignment mark 240 is disposed on the first substrate 210, i.e., the outer side of the array substrate, and the polarizer 230 and the alignment mark 240 are not overlapped in a direction perpendicular to the display panel, the polarizer 230 does not cover the alignment mark 240. As shown in fig. 2, for a GDL (Gate Driver Less) type narrow frame product, since there is not enough wide position at the edge of the array substrate to dispose the alignment mark 240 that does not overlap with the polarizer 230, the polarizer 230 may block the alignment mark 240. The alignment mark 240 is made of metal, and the light shielding layer 300 is around the alignment mark 240, so that the boundary brightness difference of the alignment mark 240 is not very obvious because the reflected light is reflected from the top during observation, and the grabbing of the alignment mark 240 by the machine is affected by the coverage of the polarizer 230.
The present application is described in detail below with reference to the figures and alternative embodiments.
As shown in fig. 3, fig. 3 is a schematic structural diagram of a display device 100; as another embodiment of the present application, a display device 100 including a display panel 200 described below is disclosed.
Fig. 4 discloses a schematic structural diagram of a display panel 200 as an embodiment of the present application. The display panel 200 includes a first substrate 210, a second substrate 220, a polarizer 230, and an alignment mark 240; the second substrate 220 and the first substrate 210 are arranged in a cassette; the alignment mark 240 is disposed in the non-display region of the second substrate 220, and the alignment mark 240 includes a hollow region 250; the hollow-out area 250 is a light-transmitting structure.
For counterpoint mark 240 sets up on array substrate, and counterpoint mark 240 uses the metal preparation, the metal reflection of light and cause the scheme that the board is difficult to discern, counterpoint mark 240 of this application includes fretwork area 250, fretwork area 250 printing opacity to counterpoint mark 240 is comparatively obvious, makes the board can be clear discernment to counterpoint mark 240, thereby smooth carry on subsequent polaroid 230, edging, one-tenth box test, laser cutting, module bind stage such as.
The display panel 200 includes a light-shielding layer 300, the light-shielding layer 300 is in a non-display region of the first substrate 210 or the second substrate 220, the alignment mark 240 further includes an alignment entity 260, a material of the alignment entity 260 is the same as that of the light-shielding layer 300, and the alignment entity 260 and the light-shielding layer 300 are disposed on the same layer; the alignment entity 260 is located in the hollow area 250. The light-shielding layer 300 may be made of the same material as the black matrix. Because the material of black matrix itself is extremely strong, then can use the penetrating light to observe, the border definition of counterpoint mark 240 obviously improves when observing, has improved the efficiency that the board counterpoint snatched. The problem that the alignment mark 240 is shielded by the polarizer 230 of the narrow-frame product is effectively solved.
The first substrate may be an array substrate or a color film substrate, and the second substrate may be a color film substrate or an array substrate.
Further, the display panel 200 includes color resistors and black matrixes disposed in the display region of the second substrate 220, the black matrixes being disposed between each color resistor at intervals; the alignment mark 240 and the black matrix are disposed in the same layer and made of the same material. That is, the alignment entity 260 may be disposed on the same layer as the black matrix and made of the same material; therefore, the process of independently forming the alignment entity is saved, the material is saved, and the process of actual operation is simplified. Of course, the alignment entity 260 may be made of the same material as the black matrix, but different layers are disposed, that is, the alignment entity is disposed on the side of the second substrate away from the liquid crystal, and the black matrix is disposed on the side of the second substrate close to the liquid crystal. Meanwhile, the color filter can also be in a structure of COA (color Filter on Array, the color filter is arranged on the Array substrate), the shading layer is made of the same material as the black matrix, the shading layer is arranged on the color film substrate, and the color resistor and the black matrix are arranged on the Array substrate.
The alignment entity 260 is composed of two first long strips 270 which are perpendicular to each other, the length of each first long strip 270 is Y, wherein Y is more than or equal to 300 micrometers and less than or equal to 400 micrometers, specifically, the length of each first long strip 270 is 350 micrometers, the distance from the edge of the alignment entity 260 to the light shielding layer is 275 micrometers to 300 micrometers, and the minimum distance is 275 micrometers. Wherein the first strip 270 is outlined in phantom in FIG. 4; the distance between the alignment entity 260 and the edge of the hollow area 250 is close to the length of the first strip 270, and the distance between the edge of the alignment entity 260 and the edge of the hollow area 250 is 275 micrometers, so that the alignment entity 260 and the light shielding layer outside the hollow area 250 have obvious boundaries, and the alignment entity 260 and the light shielding layer outside the hollow area 250 can be fully etched in the etching manufacturing process, and the problem that a machine cannot be identified due to the fact that the alignment entity 260 and the light shielding layer outside the hollow area 250 are connected due to insufficient etching is solved.
As shown in fig. 5, fig. 5 is an enlarged view at a in fig. 4; the hollow-out area 250 is square, the side length of the hollow-out area 250 is X, wherein X is not less than 800 micrometers and not more than 1000 micrometers, and optionally, the side length of the hollow-out area 250 is 900 micrometers.
In particular, the alignment entity 260 has a cross-shaped structure. Crisscross structure boundary is clear, and the board can be through discerning cruciform structure's edges and corners when discerning to discerning cruciform structure, and then counterpoint and snatch, the effectual counterpoint precision that improves the product.
Of course, the alignment entity 260 can also be configured in a structure like a Chinese character 'mi'. The edges and corners of the structure shaped like a Chinese character 'mi' are more, and the machine can be identified and aligned more efficiently.
Fig. 6 is a schematic diagram of another display panel 200; the display panel 200 includes a light-shielding layer 300, wherein the light-shielding layer 300 is disposed in a non-display region of the second substrate 220; the hollow 250 forms the alignment mark 240 on the light-shielding layer 300. The alignment mark 240 is formed by hollowing out the light shielding layer 300, the alignment mark 240 is located at four corners of the display panel 200, the light absorption of the light shielding layer 300 is strong, the light transmission of the hollow area 250 is strong, and when the machine is observed by using penetrating light, the boundary of the hollowed alignment mark 240 can be clearly observed, so that the machine can easily identify the alignment mark 240, and the working efficiency of the machine is improved.
Wherein, the shape of the hollow-out area 250 is a cross shape. The shape is simple, and the border is clear, and crisscross structure does not have the radian, comprises the straight line, easily board discernment and snatch.
The hollow-out area 250 is composed of two second strips 280 which are mutually perpendicular and crossed, the length of each second strip 280 is Z, wherein Z is more than or equal to 300 micrometers and less than or equal to 400 micrometers, and a light shielding layer 300 is arranged around the hollow-out area 250. The length of the second strip 280 forming the hollow area 250 is moderate, specifically, the length of the second strip 280 is 350 micrometers, and the light-transmitting area of the hollow area 250 is large enough, so that the machine can easily identify the hollow area 250, i.e., identify and capture the alignment mark 240.
The four alignment marks 240 are identical in shape and are respectively disposed at four corners of the second substrate 220. The four alignment marks 240 are disposed at the corner, so that the alignment marks 240 are located at the edge of the display panel 200, and the machine is easy to identify and align.
The alignment marks 240 are disposed at four corners of the second substrate 220 and are close to the edge of the second substrate 220. The display area of the display panel 200 is prevented from being affected by the alignment mark 240, so that the display picture of the display panel 200 is further affected, and the machine platform can be conveniently identified and grabbed.
The technical solution of the present application can be widely applied to various display panels, such as TN (twisted nematic) display panel, IPS (In-Plane Switching) display panel, VA (Vertical Alignment) display panel, MVA (Multi-Domain Vertical Alignment) display panel, and of course, other types of display panels, such as OLED (organic light-Emitting Diode) display panel, and the above solution can be applied.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the specific implementations of the present application are not to be considered limited to these descriptions. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. A display panel, comprising:
a first substrate;
a second substrate arranged in a cassette with the first substrate; and
and the alignment mark is arranged in the non-display area of the first substrate or the second substrate and comprises a hollow-out area.
2. The display panel according to claim 1, wherein the display panel includes a light-shielding layer disposed in the non-display region of the first substrate or the second substrate, the alignment mark further includes an alignment entity, a material of the alignment entity is the same as that of the light-shielding layer, and the alignment entity is disposed on the same layer as the light-shielding layer; the alignment entity is located in the hollow-out area.
3. The display panel according to claim 1, wherein the display panel includes a light-shielding layer provided in a non-display region of the first substrate or the second substrate; the hollow area forms the alignment mark on the light shielding layer.
4. The display panel of claim 2, wherein the hollow area is square, and the side length of the hollow area is X, wherein X is greater than or equal to 800 micrometers and less than or equal to 1000 micrometers.
5. The display panel of claim 2, wherein the alignment entity is a cross-shaped structure.
6. The display panel according to claim 5, wherein the alignment entity is formed by two first bars crossing each other perpendicularly, the length of the first bars is Y, wherein Y is smaller than 300 micrometers and smaller than 400 micrometers, and the edge of the alignment entity is located at a distance of 275 micrometers to 300 micrometers from the light shielding layer.
7. The display panel according to claim 3, wherein the hollow area is formed by two second bars crossing each other perpendicularly, the length of the second bars is Z, wherein Z is more than or equal to 300 micrometers and less than or equal to 400 micrometers, and the light shielding layer is around the hollow area.
8. The display panel according to claim 1, wherein the display panel further comprises color resistors and black matrices disposed in the display region of the second substrate, the black matrices being disposed at intervals between each of the color resistors; the alignment mark and the black matrix are arranged on the same layer and are made of the same material.
9. A display panel, comprising:
a first substrate including a pixel electrode;
a second substrate arranged in a cassette with the first substrate;
the alignment mark is arranged in the non-display area of the second substrate;
the polaroid is positioned on the outer sides of the first substrate and the second substrate and covers the alignment mark; and
a light shielding layer disposed in the non-display region of the second substrate;
the alignment mark comprises a hollow area and an alignment entity, the alignment entity is of a cross structure and is located in the hollow area, the material of the alignment entity is the same as that of the light shielding layer, and the alignment entity and the light shielding layer are arranged on the same layer.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
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| CN201920990666.4U CN210626821U (en) | 2019-06-27 | 2019-06-27 | Display panel and display device |
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| CN201920990666.4U CN210626821U (en) | 2019-06-27 | 2019-06-27 | Display panel and display device |
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| CN111882988A (en) * | 2020-07-31 | 2020-11-03 | 北海惠科光电技术有限公司 | Display panel, manufacturing method of display panel and display device |
| CN112117316A (en) * | 2020-09-23 | 2020-12-22 | 京东方科技集团股份有限公司 | Display mother board, preparation method and alignment method of display mother board |
| CN112233552A (en) * | 2020-10-10 | 2021-01-15 | Tcl华星光电技术有限公司 | Display panel and display device thereof |
| CN113064300A (en) * | 2021-03-26 | 2021-07-02 | 绵阳惠科光电科技有限公司 | Color film substrate, manufacturing method of color film substrate and liquid crystal display panel |
| CN113238400A (en) * | 2021-03-29 | 2021-08-10 | 绵阳惠科光电科技有限公司 | Alignment mark, display device, and method for determining alignment mark |
| CN114236923A (en) * | 2021-12-10 | 2022-03-25 | 北海惠科光电技术有限公司 | Array substrate, preparation method thereof and liquid crystal display device |
| CN114326213A (en) * | 2022-01-19 | 2022-04-12 | 京东方科技集团股份有限公司 | Support piece of display module backlight source, manufacturing method of support piece and display module |
| WO2022082737A1 (en) * | 2020-10-23 | 2022-04-28 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
| CN115802795A (en) * | 2023-01-05 | 2023-03-14 | 厦门天马显示科技有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111882988A (en) * | 2020-07-31 | 2020-11-03 | 北海惠科光电技术有限公司 | Display panel, manufacturing method of display panel and display device |
| CN112117316A (en) * | 2020-09-23 | 2020-12-22 | 京东方科技集团股份有限公司 | Display mother board, preparation method and alignment method of display mother board |
| CN112117316B (en) * | 2020-09-23 | 2024-05-31 | 京东方科技集团股份有限公司 | Display mother board, preparation method and alignment method of display mother board |
| CN112233552A (en) * | 2020-10-10 | 2021-01-15 | Tcl华星光电技术有限公司 | Display panel and display device thereof |
| WO2022082737A1 (en) * | 2020-10-23 | 2022-04-28 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
| CN113064300A (en) * | 2021-03-26 | 2021-07-02 | 绵阳惠科光电科技有限公司 | Color film substrate, manufacturing method of color film substrate and liquid crystal display panel |
| CN113238400A (en) * | 2021-03-29 | 2021-08-10 | 绵阳惠科光电科技有限公司 | Alignment mark, display device, and method for determining alignment mark |
| CN114236923A (en) * | 2021-12-10 | 2022-03-25 | 北海惠科光电技术有限公司 | Array substrate, preparation method thereof and liquid crystal display device |
| CN114326213A (en) * | 2022-01-19 | 2022-04-12 | 京东方科技集团股份有限公司 | Support piece of display module backlight source, manufacturing method of support piece and display module |
| CN114326213B (en) * | 2022-01-19 | 2023-11-28 | 京东方科技集团股份有限公司 | Support piece of backlight source of display module, manufacturing method of support piece and display module |
| CN115802795A (en) * | 2023-01-05 | 2023-03-14 | 厦门天马显示科技有限公司 | Display panel and display device |
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