CN110611054A - Mask plate, display panel and preparation method of display panel - Google Patents
Mask plate, display panel and preparation method of display panel Download PDFInfo
- Publication number
- CN110611054A CN110611054A CN201910790865.5A CN201910790865A CN110611054A CN 110611054 A CN110611054 A CN 110611054A CN 201910790865 A CN201910790865 A CN 201910790865A CN 110611054 A CN110611054 A CN 110611054A
- Authority
- CN
- China
- Prior art keywords
- cathode
- display panel
- area
- holes
- hollow holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/822—Cathodes characterised by their shape
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
The invention discloses a mask plate, a display panel and a preparation method of the display panel, wherein the mask plate comprises a first shielding area for shielding a camera shooting area of the display panel; a second occlusion region surrounding the first occlusion region; and the plurality of hollow holes are distributed in the second shielding area in an array mode. The mask plate, the display panel and the preparation method of the display panel have the beneficial effects that the first shielding area larger than the image pickup area of the display panel is arranged on the mask plate, the first shielding area completely covers the image pickup area in the cathode forming process, and the cathode is prevented from being formed in the image pickup area, so that the light transmittance of the image pickup area is influenced.
Description
Technical Field
The invention relates to the field of display, in particular to a mask plate, a display panel and a preparation method of the display panel.
Background
Organic Light Emitting Diodes (OLEDs) are considered to be a new application technology for next-generation flat panel displays because they have excellent characteristics of self-luminescence, no need of backlight, high contrast, thin thickness, wide viewing angle, fast response speed, applicability to flexible panels, wide temperature range, simple structure and process, etc.
In order to increase the screen occupation ratio of electronic products, the non-display area on the display panel is compressed to be smaller and smaller. In order to compress a non-display area as much as possible in a display screen of a mobile phone, a technology has been proposed in which a notch (irregular area) is provided at an upper end of a display area, and devices such as a front camera and a headphone of the mobile phone are provided in the notch.
Because the cathode transmittance of the OLED display screen is only 40%, the cathode needs to be avoided in the image pickup area. The film encapsulation layer preferably has a transmittance of less than 90% and therefore is preferably kept away from the film encapsulation layer. If the camera shooting area needs to be cut off, the thin film packaging layer of the OLED display screen needs to be avoided at the cut position. At present, the cathode and the film packaging adopt the evaporation of a general mask plate, and how to not evaporate a film layer is the problem to be solved at present.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mask plate, a display panel and a preparation method of the display panel, which are used for solving the technical problems that in the prior art, because the light transmittance of a camera area of the display panel is low, and the deposition of a cathode in the camera area cannot be avoided.
The technical scheme for solving the problems is as follows: the invention provides a mask plate, which comprises a first shielding area, a second shielding area and a third shielding area, wherein the first shielding area is used for shielding a camera shooting area of a display panel; a second occlusion region surrounding the first occlusion region; the plurality of hollowed-out holes are distributed in the second shielding area in an array mode, and the shape of the hollowed-out holes comprises at least one of a triangle, a diamond, a circle and a rectangle.
Furthermore, the shape of the hollow hole is an inverted T shape.
Furthermore, the hollow holes are provided with a plurality of rows, and the hollow holes in two adjacent rows are arranged in a staggered manner; in the hollow holes in each row, a preset distance is reserved between every two adjacent hollow holes; in the hollow holes in two adjacent rows, the hollow holes in one row extend to the preset interval between the hollow holes in the other row.
Furthermore, in the hollow holes in the same row, a preset distance between every two adjacent hollow holes has a minimum distance and a maximum distance; in the hollow holes in two adjacent rows, the hollow holes in one row extend to the minimum distance between the hollow holes in the other row.
Furthermore, in each row of the hollow holes, the central connecting lines of the minimum distances between two adjacent hollow holes are on the same straight line, the hollow holes have a first width on the central connecting line of the minimum distances, and the minimum distance between two adjacent hollow holes is smaller than the first width of the hollow holes.
The invention also provides a display panel, which comprises a substrate, wherein the substrate comprises a camera shooting area and a non-camera shooting area surrounding the camera shooting area; and the cathode is arranged in the non-image-pickup area and comprises a first cathode unit and a second cathode unit, and the first cathode unit and the second cathode unit are mutually conducted.
Furthermore, the first cathode units have a plurality of rows, the first cathode units in two adjacent rows are arranged in a staggered manner, and in the first cathode units in two adjacent rows, the first cathode units in one row extend to between the first cathode units in the other row; the second cathode units are provided with a plurality of rows, the second cathode units in two adjacent rows are arranged in a staggered mode, and the second cathode units in one row extend to the positions between the second cathode units in the other row in the second cathode units in the two adjacent rows; wherein the first cathode unit and the second cathode unit of any row have a first overlap region; the first cathode units and the second cathode units in two adjacent rows are provided with second overlapping areas.
The invention also provides a manufacturing method of the display panel, wherein the display panel comprises a camera shooting area and a non-camera shooting area surrounding the camera shooting area, and the manufacturing method of the display panel comprises the following steps: providing the mask plate; the first shielding area of the mask plate shields the camera shooting area of the display panel, the plurality of hollow holes form a first cathode unit, the mask plate is moved, the plurality of hollow holes form a second cathode unit, and the first cathode unit and the second cathode unit are mutually conducted.
Further, in the step of forming the cathode through the plurality of hollow holes, a first cathode unit is formed through the hollow holes, a gap is formed between the first cathode units, and the width of the gap is equal to a preset distance between two adjacent hollow holes; and horizontally moving the mask plate to enable the hollowed holes to be opposite to the gaps, and forming second cathode units again through the hollowed holes of the mask plate, wherein the first cathode units are connected with the second cathode units.
Furthermore, the area of the image pickup area is smaller than that of the first shading area, and in the process of forming the cathode, the projection of the image pickup area on the substrate always falls into the projection of the first shading area on the substrate.
The invention has the advantages that: the mask plate, the display panel and the preparation method of the display panel are characterized in that the first shielding area which is larger than the image pick-up area of the display panel is arranged on the mask plate, the first shielding area completely covers the image pickup area in the cathode forming process, the cathode is prevented from being formed in the image pickup area, the light transmittance of the image pickup area is prevented from being influenced, the hollow holes on the mask plate are not communicated with each other, in order to enable the finally formed cathodes to be mutually communicated, in the cathode forming process, a mask plate is moved to form a second cathode on a first cathode after the first cathode is formed, the first cathode and the second cathode are mutually connected in a conduction manner, so that the cathode can realize the transmission of electric signals, and meanwhile, the hollow hole of the invention is in the shape of the inverted T, so that the cathode formed by the mask plate is also in the shape of the inverted T, the influence of the cathode on the transmittance of the display panel can be reduced while the transmission of the electric signals is ensured.
Drawings
The invention is further explained below with reference to the figures and examples.
FIG. 1 is a schematic view of a mask in the embodiment.
FIG. 2 is a partial schematic view of a mask in the embodiment.
FIG. 3 is a partial schematic view of a display panel according to an embodiment.
FIG. 4 is a schematic view of the cathode arrangement of the display panel in the example.
FIG. 5 is a partial schematic view of the cathode arrangement of the display panel in the example.
In the drawings
10, masking a film plate; 110 a first occlusion region;
120 a second occlusion region; 130 hollow out holes;
20 a display panel; 220, a cathode electrode;
21, a shooting area; 22 a non-image-pickup area;
221 a first cathode unit; 222 a second cathode unit;
2211 a first overlap region; 2212 a first overlap region;
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this patent document, the drawings discussed below and the embodiments used to describe the principles of the present disclosure are by way of illustration only and should not be construed in any way to limit the scope of the present disclosure. Those skilled in the art will understand that the principles of the present invention may be implemented in any suitably arranged system. Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. Further, a terminal according to an exemplary embodiment will be described in detail with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements.
The terms used in the description of the present invention are only used to describe specific embodiments, and are not intended to show the concept of the present invention. Unless the context clearly dictates otherwise, expressions used in the singular form encompass expressions in the plural form. In the present specification, it is to be understood that terms such as "comprising," "having," and "containing" are intended to specify the presence of stated features, integers, steps, acts, or combinations thereof, as taught in the present specification, and are not intended to preclude the presence or addition of one or more other features, integers, steps, acts, or combinations thereof. Like reference symbols in the various drawings indicate like elements.
Examples
As shown in fig. 1, in the present embodiment, the mask 10 includes a first blocking area 110, a second blocking area 120, and a hollow hole 130.
The mask plate 10 is used for manufacturing and forming a display panel 20, the hollow holes 130 correspond to the cathodes 220 of the display panel 20, the hollow holes 130 are uniformly arranged on the mask plate 10, and the shapes of the hollow holes 130 can be various required shapes, such as triangle, diamond, circle and rectangle, in the embodiment, the hollow holes 130 are inverted-T-shaped structures, as shown in fig. 2, in the hollow holes 130 in the same row, a preset interval is formed between every two adjacent hollow holes 130, and the preset interval has a minimum interval a and a maximum interval B; in two adjacent rows of the hollow holes 130, the hollow holes 130 in one row extend to the minimum distance a between the hollow holes in the other row.
In the hollow holes 130 in each row, a central connecting line of the minimum distance a between two adjacent hollow holes 130 is on the same straight line, on the central connecting line of the minimum distance a, the hollow holes 130 have a first width C, and the minimum distance a between two adjacent hollow holes 130 is smaller than the first width C of the hollow holes, so as to ensure that the first cathode unit 221 and the second cathode unit 222 are both conducted in the horizontal and vertical directions when the first cathode unit 221 and the second cathode unit 222 are formed in the subsequent process.
As shown in fig. 3, the display panel 20 of the present invention includes an imaging region 21 and a non-imaging region 22 surrounding the imaging region 21.
In this embodiment, the camera area 21 of the present invention is circular, but in other embodiments of the present invention, the shape of the camera area 21 may be square or other shapes, and the camera area 21 is used to accommodate devices such as a camera and a headphone of the display panel 20.
As shown in fig. 4, the first cathode units 221 have several rows, the first cathode units 221 in two adjacent rows are arranged in a staggered manner, and in the first cathode units 221 in two adjacent rows, the first cathode units 221 in one row extend to between the first cathode units 221 in the other row;
similarly, the second cathode units 222 have several rows, and the second cathode units 222 in two adjacent rows are arranged in a staggered manner, and in the second cathode units 222 in two adjacent rows, the second cathode units 222 in one row extend to between the second cathode units 222 in the other row;
as shown in fig. 5, wherein the first cathode unit 221 and the second cathode unit 222 of any row have a first overlap area 2211; the first cathode unit 221 and the second cathode unit 222 in two adjacent rows have a second overlapping area 2212.
The first overlap area 2211 is configured to communicate the first cathode unit 221 and the second cathode unit 222 in the horizontal direction with each other, and the second overlap area 2212 is configured to communicate the first cathode unit 221 and the second cathode unit 222 in the vertical direction with each other.
The cathode 220 is disposed in the non-imaging region 22, and since the transmittance of the imaging region 21 is only 40%, the cathode 220 needs to avoid the imaging region 21, in this embodiment, the first shielding region 110 is adopted to shield the imaging region 110, the shape of the first shielding region 110 is similar to that of the imaging region 110, and the first shielding region 110 completely covers the imaging region 110.
In this embodiment, the method for manufacturing a display panel of the present invention includes the following steps:
the image pickup region 110 of the display panel 20 is shielded by the first shielding region 110 of the mask 10, and the cathode 220 is formed through the hollow hole 130.
Specifically, the method of forming the first cathode unit 221 on the non-imaging region 22 of the display panel 20 through the hollow hole 130 may be a chemical vapor deposition or evaporation process, which is a common method for forming a cathode in the prior art, the mask plate 10 is horizontally moved and the second cathode unit 222 is formed on the non-imaging region 22 through the hollow hole 130, the shapes of the first cathode unit 221 and the second cathode unit 222 are triangular, rhombic, circular, rectangular or inverted T-shaped, in this embodiment, since the hollow hole 130 of the mask plate 10 is inverted T-shaped, the shapes of the first cathode unit 221 and the second cathode unit 222 are also inverted T-shaped, so that the transmittance of the display panel 20 can be increased under the condition that the first cathode unit 221 and the second cathode unit 222 are ensured to be conducted with each other, the display effect is enhanced.
In order to avoid forming the cathode 220 on the image pickup area 21, in this embodiment, the image pickup area 110 is shielded by the first shielding area 110, because the mask plate 10 needs to horizontally move in the process of forming the second cathode unit 222, the first shielding area 110 disposed on the mask plate 10 also moves along with the mask plate, in order to ensure that the image pickup area 110 is shielded by the first shielding area 110 in the whole process of forming the cathode 220, the shielding size of the first shielding area 110 needs to be larger than the shielding size of the image pickup area 110, and specifically, the horizontal distance between the edge of the first shielding area 110 and the edge of the image pickup area 110 is larger than or equal to the horizontal movement distance of the mask plate 10.
The widths of the first overlapping area 2211 and the second overlapping area 2212 are both between 1um and 100um, that is, the horizontal distance of the movement of the mask plate 10.
The mask plate, the display panel and the preparation method of the display panel provided by the embodiment of the invention are described in detail above. It should be understood that the exemplary embodiments described herein should be considered merely illustrative for facilitating understanding of the method of the present invention and its core ideas, and not restrictive. Descriptions of features or aspects in each exemplary embodiment should generally be considered as applicable to similar features or aspects in other exemplary embodiments. While the present invention has been described with reference to exemplary embodiments, various changes and modifications may be suggested to one skilled in the art. It is intended that the present invention encompass such changes and modifications as fall within the scope of the appended claims.
Claims (10)
1. A mask plate is characterized by comprising
The first shielding area is used for shielding the camera shooting area of the display panel;
a second occlusion region surrounding the first occlusion region;
the plurality of hollowed-out holes are distributed in the second shielding area in an array mode, and the shape of the hollowed-out holes comprises at least one of a triangle, a diamond, a circle and a rectangle.
2. A mask according to claim 1,
the hollowed-out hole is in an inverted T shape.
3. A mask according to claim 1, wherein the hollow holes have a plurality of rows, and the hollow holes in two adjacent rows are arranged in a staggered manner;
in the hollow holes in each row, a preset distance is reserved between every two adjacent hollow holes;
in the hollow holes in two adjacent rows, the hollow holes in one row extend to the preset interval between the hollow holes in the other row.
4. A mask according to claim 3, wherein the predetermined distance between two adjacent hollow holes in the same row has a minimum distance and a maximum distance; in the hollow holes in two adjacent rows, the hollow holes in one row extend to the minimum distance between the hollow holes in the other row.
5. A mask according to claim 3, wherein in each row of the holes, the centers of the minimum distances between two adjacent holes are connected on the same straight line, and the holes have a first width on the center of the minimum distance, and the minimum distance between two adjacent holes is smaller than the first width of the holes.
6. A display panel, comprising
A substrate including an image pickup region and a non-image pickup region surrounding the image pickup region;
the cathode is arranged in the non-image-pickup area and comprises a first cathode unit and a second cathode unit, the first cathode unit and the second cathode unit are mutually communicated, and the first cathode unit and the second cathode unit are at least one of triangular, rhombic, circular and rectangular in shape.
7. The display panel according to claim 6,
the first cathode units are provided with a plurality of rows, the first cathode units in two adjacent rows are arranged in a staggered mode, and the first cathode units in one row extend to the positions between the first cathode units in the other row in the first cathode units in the two adjacent rows;
the second cathode units are provided with a plurality of rows, the second cathode units in two adjacent rows are arranged in a staggered mode, and the second cathode units in one row extend to the positions between the second cathode units in the other row in the second cathode units in the two adjacent rows; wherein the content of the first and second substances,
the first cathode unit and the second cathode unit of any row have a first overlapping region; the first cathode units and the second cathode units in two adjacent rows are provided with second overlapping areas.
8. A manufacturing method of a display panel, the display panel including an image pickup area and a non-image pickup area surrounding the image pickup area, the manufacturing method of the display panel comprising the steps of:
providing a mask according to any one of claims 1 to 5;
the first shielding area of the mask plate shields the camera shooting area of the display panel, the plurality of hollow holes form a first cathode unit, the mask plate is moved, the plurality of hollow holes form a second cathode unit, and the first cathode unit and the second cathode unit are mutually conducted.
9. The method for manufacturing a display panel according to claim 8, wherein the step of forming a cathode through the plurality of holes comprises
Forming first cathode units through the hollow holes, wherein a gap is formed between the first cathode units, and the width of the gap is equal to the preset distance between every two adjacent hollow holes;
and horizontally moving the mask plate to enable the hollowed holes to be opposite to the gaps, and forming second cathode units again through the hollowed holes of the mask plate, wherein the first cathode units and the second cathode units are mutually conducted.
10. The method for manufacturing a display panel according to claim 8,
the area of the image pickup area is smaller than that of the first shading area, and in the process of forming the cathode, the projection of the image pickup area on the substrate always falls into the projection of the first shading area on the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790865.5A CN110611054A (en) | 2019-08-26 | 2019-08-26 | Mask plate, display panel and preparation method of display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790865.5A CN110611054A (en) | 2019-08-26 | 2019-08-26 | Mask plate, display panel and preparation method of display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110611054A true CN110611054A (en) | 2019-12-24 |
Family
ID=68889877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910790865.5A Pending CN110611054A (en) | 2019-08-26 | 2019-08-26 | Mask plate, display panel and preparation method of display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110611054A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273515A (en) * | 2020-02-14 | 2020-06-12 | 合肥鑫晟光电科技有限公司 | Mask plate, manufacturing method, display panel and display device |
| CN111441013A (en) * | 2020-04-27 | 2020-07-24 | 京东方科技集团股份有限公司 | Mask plate and method for evaporation by adopting same |
| CN111850467A (en) * | 2020-08-04 | 2020-10-30 | 京东方科技集团股份有限公司 | Metal mask plate assembly, OLED display panel and display device |
| WO2023193300A1 (en) * | 2022-04-07 | 2023-10-12 | 广州华星光电半导体显示技术有限公司 | Display substrate and manufacturing method therefor, and evaporation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187432A (en) * | 2013-03-20 | 2013-07-03 | 北京京东方光电科技有限公司 | Mask plate, organic light-emitting diode (OLED) transparent display panel and manufacturing methods of display panel |
| CN203456462U (en) * | 2013-03-20 | 2014-02-26 | 北京京东方光电科技有限公司 | Mask plate and OLED transparent display panel |
| CN106981585A (en) * | 2017-05-23 | 2017-07-25 | 上海天马微电子有限公司 | Transparent OLED panel and display device |
| CN108866476A (en) * | 2018-06-29 | 2018-11-23 | 京东方科技集团股份有限公司 | Mask plate and preparation method thereof, evaporation coating method, display screen |
| CN110079763A (en) * | 2019-05-15 | 2019-08-02 | 昆山维信诺科技有限公司 | Mask plate and mask assembly |
-
2019
- 2019-08-26 CN CN201910790865.5A patent/CN110611054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187432A (en) * | 2013-03-20 | 2013-07-03 | 北京京东方光电科技有限公司 | Mask plate, organic light-emitting diode (OLED) transparent display panel and manufacturing methods of display panel |
| CN203456462U (en) * | 2013-03-20 | 2014-02-26 | 北京京东方光电科技有限公司 | Mask plate and OLED transparent display panel |
| CN106981585A (en) * | 2017-05-23 | 2017-07-25 | 上海天马微电子有限公司 | Transparent OLED panel and display device |
| CN108866476A (en) * | 2018-06-29 | 2018-11-23 | 京东方科技集团股份有限公司 | Mask plate and preparation method thereof, evaporation coating method, display screen |
| CN110079763A (en) * | 2019-05-15 | 2019-08-02 | 昆山维信诺科技有限公司 | Mask plate and mask assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273515A (en) * | 2020-02-14 | 2020-06-12 | 合肥鑫晟光电科技有限公司 | Mask plate, manufacturing method, display panel and display device |
| CN111273515B (en) * | 2020-02-14 | 2023-10-20 | 合肥鑫晟光电科技有限公司 | Mask plate, manufacturing method, display panel and display device |
| CN111441013A (en) * | 2020-04-27 | 2020-07-24 | 京东方科技集团股份有限公司 | Mask plate and method for evaporation by adopting same |
| WO2021218411A1 (en) * | 2020-04-27 | 2021-11-04 | 京东方科技集团股份有限公司 | Mask plate and method for performing evaporation by using same |
| CN111850467A (en) * | 2020-08-04 | 2020-10-30 | 京东方科技集团股份有限公司 | Metal mask plate assembly, OLED display panel and display device |
| CN111850467B (en) * | 2020-08-04 | 2022-08-02 | 京东方科技集团股份有限公司 | Metal mask plate assembly, OLED display panel and display device |
| WO2023193300A1 (en) * | 2022-04-07 | 2023-10-12 | 广州华星光电半导体显示技术有限公司 | Display substrate and manufacturing method therefor, and evaporation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110611054A (en) | Mask plate, display panel and preparation method of display panel | |
| US11355707B2 (en) | Mask having shielding part within opening and manufacturing method thereof, evaporation method and display screen with active area surrounding functional component area | |
| CN109713162B (en) | Display panel and display device | |
| CN110164938B (en) | Display panel and display device | |
| TW201809326A (en) | Vapor deposition mask, vapor deposition mask having frame, method of manufacturing organic semiconductor element and method of manufacturing organic el display | |
| US11355575B2 (en) | Organic light-emitting display panel and manufacturing method thereof, and mask | |
| US20190144987A1 (en) | Mask assembly and manufacturing method thereof | |
| US20230083071A1 (en) | Light-transmitting display module, display panel and method for manufacturing the same | |
| CN100379057C (en) | Separate type mask device for manufacturing OLED display | |
| WO2021088953A1 (en) | Display panel and electronic device | |
| KR20210138780A (en) | Display panel and display device | |
| US11539019B2 (en) | Display substrate, manufacturing method thereof, and display device | |
| CN109487206B (en) | Mask and mask device adopting same | |
| CN110923625A (en) | Mask module, evaporation system, evaporation method and display substrate | |
| US11507235B2 (en) | Touch control device, touch control display substrate and display apparatus | |
| US20210399255A1 (en) | Array substrate, display panel and display apparat | |
| CN109755410A (en) | Organic light-emitting display panel, preparation method and display device | |
| EP4006982A1 (en) | Display substrate and display device | |
| EP4131388A1 (en) | Display panel and preparation method therefor, and mask | |
| CN107463024B (en) | Display substrate, manufacturing method thereof and display panel | |
| CN112151694B (en) | Display panel and manufacturing method thereof | |
| US11957035B2 (en) | Mask assembly and display device including island shelters contacting substrate through mounting holes | |
| CN114761605B (en) | Mask plate and preparation method thereof, display panel and preparation method thereof, and display device | |
| CN110767831B (en) | Transparent OLED substrate, display panel, array substrate, display screen and display device | |
| CN112882611A (en) | Display panel and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |
|
| RJ01 | Rejection of invention patent application after publication |