CN107359280B - Display panel, packaging method and preparation method thereof, and display device - Google Patents
Display panel, packaging method and preparation method thereof, and display device Download PDFInfo
- Publication number
- CN107359280B CN107359280B CN201710560621.9A CN201710560621A CN107359280B CN 107359280 B CN107359280 B CN 107359280B CN 201710560621 A CN201710560621 A CN 201710560621A CN 107359280 B CN107359280 B CN 107359280B
- Authority
- CN
- China
- Prior art keywords
- packaging
- display panel
- sub
- rectangular
- area
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application discloses a display panel, a packaging method and a preparation method thereof and a display device, which are used for avoiding poor color mixing of a non-rectangular display panel and improving the display yield of the non-rectangular display panel. The embodiment of the application provides a display panel packaging method, which comprises the following steps: arranging packaging glue on a packaging substrate to form a packaging cover plate, wherein the region, on which the packaging glue is not arranged, of the packaging cover plate comprises a plurality of sub-regions distributed in an array manner, and each sub-region is non-rectangular in shape; and packaging the back plate by using the packaging cover plate to obtain a packaged display panel, so that the shape of the light-transmitting area of the display panel is the shape of the sub-area.
Description
Technical Field
The application relates to the field of display technology, in particular to a display panel, a packaging method and a preparation method thereof and a display device.
Background
Organic Light-Emitting Diode (OLED) displays include Passive matrix Organic electroluminescent Diode (PMOLED) displays mainly applied to small-sized panels, corresponding to mobile phones and mobile applications, and Active matrix Organic electroluminescent Diode (AMOLED) displays mainly applied to large-sized panels, corresponding to display screens, televisions, and the like. There are two types of AMOLED display implementation: firstly, combining a backboard prepared by using a low-temperature polysilicon technology (LTPS) with a fine metal Mask (FMM Mask); and secondly, combining the color film by using an Oxide (Oxide) back plate and a white light OLED (WOLED).
At present, the combination mode of the LTPS backplane and the FMM Mask is preliminarily mature, mass production is realized, and with the rapid development of the AMOLED, the requirements of people on the shape of the display screen are not limited to the traditional rectangle. In the prior art, in a process for preparing a circular display panel, two types of masks are used for evaporating a luminescent material, one type is to use a double-layer Mask, and in the process of stretching a metal Mask, stretching welding of a Sheet-shaped fine metal Mask (FMM Sheet) is directly performed on the surface of a welded Open metal Mask (Open Mask), but the precision of the FMM Sheet is greatly influenced by the Open Mask, and the attaching degree of the double-layer masks is not particularly good; the other method is a welding composition mode of a shielding metal strip (Cover Mask), a processing metal strip (Howling Mask) and an FMM (metal film mirror), wherein the opening shape of an FMM effective area (AA area) is circular, but the circular FMM is not uniform in strain when a screen is stressed, large wrinkles are easy to appear in the welding process, and a large gap is generated between the Mask plate and a back plate in the actual evaporation process. That is, in the prior art, the process of manufacturing the circular display panel may cause severe color mixing defects in a partial area of the display panel, which affects the normal display yield.
Disclosure of Invention
The embodiment of the application provides a display panel, a packaging method and a preparation method thereof, and a display device, which are used for avoiding poor color mixing of a non-rectangular display panel and improving the display yield of the non-rectangular display panel.
The embodiment of the application provides a display panel packaging method, which comprises the following steps:
arranging packaging glue on a packaging substrate to form a packaging cover plate, wherein the region, on which the packaging glue is not arranged, of the packaging cover plate comprises a plurality of sub-regions distributed in an array manner, and each sub-region is non-rectangular in shape;
and packaging the back plate by using the packaging cover plate to obtain a packaged display panel, so that the shape of the light-transmitting area of the display panel is the shape of the sub-area.
According to the display panel packaging method, the packaging cover plate is formed by arranging the packaging glue on the packaging substrate, so that the region without the packaging glue comprises the sub-regions which are distributed in an array mode and are non-rectangular in shape. That is to say, the packaging method provided by the application can define the light-transmitting area and the non-light-transmitting area of the display panel through the setting pattern of the packaging glue, so that the light-transmitting area of the display panel can be non-rectangular, and the non-rectangular display panel can be prepared. Therefore, in the preparation process of the non-rectangular display panel, when the light-emitting layer of the back plate is arranged, the opening area does not need to be used as the non-rectangular mask plate or the double-layer mask plate, so that the phenomenon that the color of the display panel is uneven due to the fact that the opening area is used as the non-rectangular mask plate or the double-layer mask plate is used can be avoided, and the display yield of the non-rectangular display panel can be improved.
Optionally, the step of disposing the package adhesive on the package substrate specifically includes: arranging packaging glue on the packaging substrate by using a first mask plate; the first mask includes: the packaging substrate comprises an opening area and a plurality of non-opening areas distributed in an array mode, wherein the packaging glue is coated on the opening area on the packaging substrate, the non-opening areas correspond to the sub-areas one to one, and the shape of each non-opening area is completely the same as that of the sub-area corresponding to the non-opening area.
Optionally, the shape of each of the sub-regions is identical.
Optionally, each of the sub-regions is a circular region.
Optionally, each of the sub-regions corresponds to each of the light-transmitting regions on the back plate, so that after the back plate is packaged by the package cover plate, each of the sub-regions faces one of the light-transmitting regions.
Optionally, each light-transmitting area on the back plate is a rectangular light-transmitting area, and the width of the rectangle is greater than or equal to the diameter of the circular area of each sub-area.
The display panel manufacturing method provided by the embodiment of the application comprises the step of packaging by adopting the packaging method provided by the embodiment of the application.
The application provides a preparation method of display panel, the printing opacity district that utilizes the encapsulation to injure display panel is non-rectangular region, thereby when setting up the luminescent layer of backplate on the backplate, need not to use the opening shape to be non-rectangular's mask plate, and need not to use double-deck mask plate to injure the pixel pattern to be non-rectangular, alright in order to realize non-rectangular display panel's preparation, thereby can avoid using double-deck mask plate or opening shape to be non-rectangular's mask plate and the poor non-rectangular display panel colour mixture that leads to of backplate laminating effect, and then can improve non-rectangular display panel's display yield.
Optionally, before the packaging the backplane, the method further comprises: and arranging a light-emitting material on the back plate by using a second mask plate, wherein the opening area of the second mask plate is rectangular.
The application provides a display panel's preparation method, utilize the packing to set up the pattern and limit display panel's light-transmitting zone for non-rectangular region, when the backplate sets up luminescent material, the shape that uses the opening area is the mask plate of rectangle, the design degree of difficulty that is used for setting up luminescent material's mask plate in the non-rectangular display panel preparation process has just so been reduced, and compare with the mask plate that uses the shape of opening area for non-rectangle, can reduce the possibility that the fold appears in the mask plate, thereby reduce the laminating clearance between mask plate and the backplate, thereby reduce display panel and appear the possibility of colour mixture, and then improve display panel's demonstration yield.
The display panel provided by the embodiment of the application is manufactured by the method provided by the embodiment of the application.
The display device provided by the embodiment of the application comprises the display panel provided by the embodiment of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart illustrating a display panel packaging method according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a first mask plate structure according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a package cover structure according to an embodiment of the present disclosure;
fig. 4 is a schematic view of a transparent region of a backplane and a sub-region of a package cover plate according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a second mask plate structure according to an embodiment of the present disclosure.
Detailed Description
The embodiment of the application provides a display panel, a packaging method and a preparation method thereof, and a display device, which are used for avoiding poor color mixing of a non-rectangular display panel and improving the display yield of the non-rectangular display panel.
As shown in fig. 1, a display panel packaging method provided in an embodiment of the present application includes:
s101, arranging packaging glue on a packaging substrate to form a packaging cover plate, wherein the region, on which the packaging glue is not arranged, of the packaging cover plate comprises a plurality of sub-regions distributed in an array mode, and each sub-region is non-rectangular in shape;
s102, packaging the back plate by using the packaging cover plate to obtain a packaged display panel, and enabling the shape of the light-transmitting area of the display panel to be the shape of the sub-area.
According to the display panel packaging method, the packaging cover plate is formed by arranging the packaging glue on the packaging substrate, so that the region without the packaging glue comprises the sub-regions which are distributed in an array mode and are non-rectangular in shape. That is to say, the packaging method provided by the application can define the light-transmitting area and the non-light-transmitting area of the display panel through the setting shape of the packaging glue, so that the light-transmitting area of the display panel can be non-rectangular, and the non-rectangular display panel can be prepared. Therefore, in the preparation process of the non-rectangular display panel, when the light-emitting layer of the back plate is arranged, the opening area does not need to be used as the non-rectangular mask plate or the double-layer mask plate, so that the phenomenon that the color of the display panel is uneven due to the fact that the opening area is used as the non-rectangular mask plate or the double-layer mask plate is used can be avoided, and the display yield of the non-rectangular display panel can be improved.
Optionally, the step of disposing the package adhesive on the package substrate specifically includes: arranging packaging glue on the packaging substrate by using a first mask plate; as shown in fig. 2, the first mask includes: the packaging substrate comprises an opening area 1 and a plurality of non-opening areas 2 distributed in an array mode, wherein the packaging glue is coated on the opening area 1 on the packaging substrate, the non-opening areas correspond to the sub-areas one to one, and the shape of each non-opening area is completely the same as that of the sub-area corresponding to the non-opening area.
It should be noted that, the first mask provided in the embodiment of the present application may be, for example, an open mask, the opening region 1 may be a mesh mask, and the encapsulation glue may be applied to the encapsulation substrate from meshes of the mesh mask, so that a corresponding encapsulation glue pattern is formed on the encapsulation substrate.
Optionally, the shape of each of the sub-regions is identical.
Optionally, each of the sub-regions is a circular region.
In the display panel packaging method provided by the embodiment of the present application, the first mask shown in fig. 2 is used to set the packaging glue, the obtained packaging cover plate structure is shown in fig. 3, the packaging glue 4 is provided on the packaging substrate 3, the region on the packaging substrate 3 where the packaging glue is not provided includes a plurality of sub-regions 5 distributed in an array, the shape of the non-opening region 2 of the first mask in fig. 2 is circular, and the shape of each non-opening region 2 is completely the same, so that each sub-region 5 on the packaging substrate 3 is circular with the completely same shape.
It should be noted that, in the first mask shown in fig. 2 provided in the embodiment of the present application, the non-opening area 2 is circular, so that the shape of each sub-area on the package substrate 3 is circular, and in an actual package process, a corresponding mask is selected according to the shape of the display panel to be prepared, so that the shape of the non-opening area of the first mask is consistent with the shape of the display panel to be prepared, and further the shape of the sub-area 5 on the package substrate 3 is consistent with the shape of the display panel to be prepared.
Optionally, each of the sub-regions corresponds to each of the light-transmitting regions on the back plate, so that after the back plate is packaged by the package cover plate, each of the sub-regions faces one of the light-transmitting regions. In this way, the shape of the light-transmitting area of the display panel can be defined by the shape of the sub-area.
Optionally, each light-transmitting area on the back plate is a rectangular light-transmitting area, and the width of the rectangle is greater than or equal to the diameter of the circular area of each sub-area.
On the back plate, the orthographic projection of any one of the light-transmitting areas and the area of the light-transmitting area corresponding to the packaging cover plate is shown in fig. 4, the width of the rectangle of the light-transmitting area 6 is equal to the diameter of the circle of the sub-area, so that the packaging glue 4 covers part of the light-transmitting area 6, and the area of the light-transmitting area 6 not covered by the packaging glue 4 is in a circle shape, namely the shape of the light-transmitting area of the packaged display panel is in a circle shape.
The display panel manufacturing method provided by the embodiment of the application comprises the step of packaging by adopting the packaging method provided by the embodiment of the application.
The application provides a preparation method of display panel, the printing opacity district that utilizes the encapsulation to injure display panel is non-rectangular region, thereby when setting up the luminescent layer of backplate on the backplate, need not to use the opening shape to be non-rectangular's mask plate, and need not to use double-deck mask plate to injure the pixel pattern to be non-rectangular, alright in order to realize non-rectangular display panel's preparation, thereby can avoid using double-deck mask plate or opening shape to be non-rectangular's mask plate and the poor non-rectangular display panel colour mixture that leads to of backplate laminating effect, and then can improve non-rectangular display panel's display yield.
Optionally, before the packaging the backplane, the method further comprises: and arranging a light-emitting material on the back plate by using a second mask plate, wherein the opening area of the second mask plate is rectangular.
The application provides a display panel's preparation method, utilize the packing to set up the pattern and limit display panel's light-transmitting zone to be non-rectangular region, and when the backplate set up luminescent material, the shape that uses the opening area is the mask plate of rectangle, the design degree of difficulty that is used for setting up luminescent material's mask plate in the non-rectangular display panel preparation process has just so been reduced, compare with the mask plate that uses the shape of opening area to be non-rectangle, can reduce the possibility that the fold appears in the mask plate, thereby reduce the laminating clearance between mask plate and the backplate, thereby reduce display panel and appear the possibility of colour mixture, and then improve display panel's demonstration yield.
Optionally, the second mask includes: welding the Cover Mask and the Howling Mask to a Mask plate consisting of FMMs, wherein the Cover Mask and the Howling Mask are perpendicular to each other.
As shown in FIG. 5 (openings in the FMM are not shown), a second Mask may be prepared by, for example, using a tenter to tenter the FMM and weld FMM7 to the Mask frame 8, followed by welding Cover Mask9 and Howling Mask10 to FMM 7. In the process of preparing the non-rectangular display panel, the display panel packaging method provided by the embodiment of the application is adopted for packaging, and the light transmission area of the display panel is limited to be a non-rectangular area by utilizing the setting pattern of the packaging glue, so that the preparation of the non-rectangular display panel can be realized.
The display panel provided by the embodiment of the application is manufactured by the method provided by the embodiment of the application.
For example, the display panel provided by the embodiment of the present application may be an OLED display panel.
The display device provided by the embodiment of the application comprises the display panel provided by the embodiment of the application.
For example, the display device provided in the embodiments of the present application may be a display device such as a mobile phone, a computer, or a television.
To sum up, according to the display panel packaging method, the display panel manufacturing method, the display panel and the display device provided by the embodiment of the application, the packaging cover plate is formed by arranging the packaging glue on the packaging substrate, so that the region without the packaging glue comprises the sub-regions which are distributed in an array and have non-rectangular shapes. That is to say, the encapsulation method provided by the application can limit the light-transmitting area and the non-light-transmitting area of the display panel through the setting shape of the encapsulation glue, so that the light-transmitting area of the display panel is non-rectangular, and then the non-rectangular display panel can be prepared.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. A display panel packaging method is characterized by comprising the following steps:
arranging packaging glue on a packaging substrate to form a packaging cover plate, wherein the region, on which the packaging glue is not arranged, of the packaging cover plate comprises a plurality of sub-regions distributed in an array manner, and each sub-region is non-rectangular in shape;
packaging the back plate by using the packaging cover plate to obtain a packaged display panel, so that the shape of the light-transmitting area of the display panel is the shape of the sub-area; each light transmission area on the back plate is a rectangular light transmission area, the rectangular light transmission area is formed by arranging a light-emitting material on the back plate by utilizing a second mask plate, and the opening area of the second mask plate is rectangular;
setting up the encapsulation glue on the packaging substrate specifically includes: arranging packaging glue on the packaging substrate by using a first mask plate; the first mask includes: the packaging substrate comprises an opening area and a plurality of non-opening areas distributed in an array mode, wherein the packaging glue is coated on the opening area on the packaging substrate, the non-opening areas correspond to the sub-areas one to one, and the shape of each non-opening area is completely the same as that of the sub-area corresponding to the non-opening area.
2. The method of claim 1, wherein each of said sub-regions is identical in shape.
3. The method of claim 2, wherein each of the sub-regions is a circular region.
4. The method of claim 3, wherein each of the sub-regions corresponds to one of the light-transmitting regions on the back plate, such that each of the sub-regions faces one of the light-transmitting regions after the back plate is packaged by the package cover plate.
5. The method of claim 4, wherein the width of the rectangle is greater than or equal to the diameter of the circular region of each sub-region.
6. A method for manufacturing a display panel, comprising the step of encapsulating by the encapsulation method according to any one of claims 1 to 5.
7. The method of claim 6, wherein prior to encapsulating the backplane, the method further comprises: and arranging a light-emitting material on the back plate by using a second mask plate, wherein the opening area of the second mask plate is rectangular.
8. A display panel, characterized in that it is produced by the method of any one of claims 6 to 7.
9. A display device characterized by comprising the display panel according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560621.9A CN107359280B (en) | 2017-07-11 | 2017-07-11 | Display panel, packaging method and preparation method thereof, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560621.9A CN107359280B (en) | 2017-07-11 | 2017-07-11 | Display panel, packaging method and preparation method thereof, and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107359280A CN107359280A (en) | 2017-11-17 |
| CN107359280B true CN107359280B (en) | 2021-01-22 |
Family
ID=60291887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560621.9A Active CN107359280B (en) | 2017-07-11 | 2017-07-11 | Display panel, packaging method and preparation method thereof, and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107359280B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638019B (en) * | 2018-12-06 | 2021-03-16 | 武汉华星光电半导体显示技术有限公司 | Display panel, mask and display device |
| CN111900243A (en) * | 2020-06-29 | 2020-11-06 | 南京中电熊猫液晶显示科技有限公司 | Display back plate, packaging method thereof and filling method of packaging material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331637A (en) * | 2011-09-28 | 2012-01-25 | 深圳市华星光电技术有限公司 | Special visor and manufacturing method thereof, and method for manufacturing liquid crystal panel |
| CN105742446A (en) * | 2016-04-29 | 2016-07-06 | 京东方科技集团股份有限公司 | Light emitting diode and fabrication method thereof |
| CN106206970A (en) * | 2016-08-31 | 2016-12-07 | 深圳市华星光电技术有限公司 | A kind of luminescent panel and preparation method thereof |
| CN106526976A (en) * | 2017-01-05 | 2017-03-22 | 京东方科技集团股份有限公司 | Backlight structure and display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM486862U (en) * | 2014-04-18 | 2014-09-21 | Upi Semiconductor Corp | Optoelectronic device packaging object |
| TWM490118U (en) * | 2014-07-03 | 2014-11-11 | Prolight Opto Tech Corporation | Light emitting device with circular lighting |
-
2017
- 2017-07-11 CN CN201710560621.9A patent/CN107359280B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331637A (en) * | 2011-09-28 | 2012-01-25 | 深圳市华星光电技术有限公司 | Special visor and manufacturing method thereof, and method for manufacturing liquid crystal panel |
| CN105742446A (en) * | 2016-04-29 | 2016-07-06 | 京东方科技集团股份有限公司 | Light emitting diode and fabrication method thereof |
| CN106206970A (en) * | 2016-08-31 | 2016-12-07 | 深圳市华星光电技术有限公司 | A kind of luminescent panel and preparation method thereof |
| CN106526976A (en) * | 2017-01-05 | 2017-03-22 | 京东方科技集团股份有限公司 | Backlight structure and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107359280A (en) | 2017-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9638969B2 (en) | Liquid crystal display (LCD) panel, manufacturing method thereof and display device | |
| WO2018227958A1 (en) | Mask plate module, method for manufacturing film layer, and method for manufacturing organic electroluminescent display panel | |
| WO2019184769A1 (en) | Liquid crystal display panel, fabrication method therefor and display device | |
| US9453948B2 (en) | Color filter substrate, manufacturing method thereof and display device | |
| CN110824786B (en) | Display panel and display device | |
| US9605336B2 (en) | Mask, method for manufacturing the same and process device | |
| CN108588640B (en) | Mask plate, manufacturing method of display device and display device | |
| WO2020118888A1 (en) | Mask plate assembly and film layer manufacturing method | |
| CN109487206B (en) | Mask and mask device adopting same | |
| US9583646B2 (en) | Bottom-emitting substrate, display device and manufacturing method of substrate | |
| CN109188751B (en) | Display panel, display device and manufacturing method of display panel | |
| CN110687715A (en) | Display substrate, display panel and display device | |
| WO2020001061A1 (en) | Display substrate and manufacturing method therefor, and display device | |
| CN107359280B (en) | Display panel, packaging method and preparation method thereof, and display device | |
| CN109950285B (en) | Array substrate, manufacturing method thereof and display device | |
| US11251397B2 (en) | Display panel having display area and component installation area, method of fabricating display panel having display area and component installation area, and display apparatus | |
| US9436050B2 (en) | Method of planarizing protrusions on an array substrate of a liquid crystal panel | |
| WO2021012695A1 (en) | Array substrate, display panel and display apparatus | |
| CN106842687A (en) | Color membrane substrates and preparation method thereof | |
| KR100759668B1 (en) | Organic light emitting diode display and method for fabricating the same | |
| US20170207409A1 (en) | Screen-printing mask, related packaging method, display panel, display apparatus, and method for fabricating the same | |
| CN109445168A (en) | Color membrane substrates, display panel and display device | |
| WO2014015605A1 (en) | Color film substrate manufacturing method, color film substrate and semi-reflecting semi-transmitting liquid crystal display device | |
| CN108663855B (en) | A kind of production method and display panel of display panel | |
| WO2019238005A1 (en) | Display motherboard and manufacturing method therefor |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |