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1. 发明公开

EP4270481A1 DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY APPARATUS 审中-实审
公开(公告)号：EP4270481A1
公开(公告)日：2023-11-01
申请号：EP22836766.0
申请日：2022-06-28
申请人： BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
发明人： XU, Jingjing , LI, Pan , ZHANG, Dacheng
IPC分类号： H01L27/142 , H01L21/02
摘要： A display substrate, a preparation method thereof, and a display apparatus, the display substrate includes a base substrate; a drive circuit layer provided on the base substrate; a light-emitting structure layer provided on a side of the drive circuit layer away from the base substrate, the light-emitting structure layer includes a pixel defining layer and an organic light-emitting layer, the pixel defining layer defines multiple sub-pixel regions and includes a first opening at least partially exposing the drive circuit layer, the organic light-emitting layer is located in the sub-pixel region and is overlapped with the first opening of the pixel defining layer; and a color film structure layer provided on a side of the light-emitting structure layer away from the base substrate, the color film structure layer includes a color film and a black matrix, the black matrix includes a second opening at least partially exposing the first opening, the color film provided in the second opening, the black matrix includes a first sub-side, and the first sub-side includes a fold line structure.

2. 发明公开

EP4141944A1 DISPLAY DEVICE, AND DISPLAY PANEL AND FABRICATING METHOD THEREFOR 审中-实审
公开(公告)号：EP4141944A1
公开(公告)日：2023-03-01
申请号：EP21726546.1
申请日：2021-04-21
申请人： BOE Technology Group Co., Ltd.
发明人： HUANG, Kuanta , LEE, Yuhao , ZHANG, Dacheng , TONG, Hui , SHEN, Xiaobin , LI, Shipeng , YANG, Chao , LI, Dongsheng
IPC分类号： H01L27/32 , H01L51/52 , H01L51/56
摘要： A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate (1), a first insulation layer (2), a first electrode layer (3), a pixel definition layer (4), a light-emitting function layer (5) and a second electrode (6). The first insulation layer (2) is provided on a side of the substrate (1). The first insulation layer (2) comprises a plurality of pixel regions (202) distributed in an array and a seperation region (201) separating the pixel regions (202). The first electrode layer (3) is arranged on the surface of the first insulation layer (2) away from the substrate (1), and includes a plurality of first electrodes (31). The orthographic projection of each first electrode (31) on the first insulation layer (2) is located within a respective pixel region (202). The pixel definition layer (4) is arranged on the surface of the first insulation layer (2) away from the substrate (1), and exposes each first electrode (31). The pixel definition layer (4) is formed with a pixel definition groove (41) in the area corresponding to the seperation region (201), and the middle part of the pixel definition groove (41) has a first protrusion (42) protruding in a direction away from the substrate (1). A sub-groove (40) is formed between the sidewall of the first protrusion (42) and the sidewall of the pixel definition groove (41). The light-emitting functional layer (5) covers the pixel definition layer (4) and the first electrodes (31) and the first insulation layer (2) exposed by the pixel definition layer (4). The second electrode (6) covers the light-emitting functional layer (5).

3. 发明公开

EP4071841A1 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4071841A1
公开(公告)日：2022-10-12
申请号：EP20940352.6
申请日：2020-06-12
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： GAO, Xinwei , ZHANG, Dacheng , LIU, Lang , XU, Chen
IPC分类号： H01L51/52 , H01L27/32
摘要： A display panel and a manufacturing method therefor, and a display device. The display panel comprises an array substrate, a packaging cover plate, and a sealant. The array substrate comprises a display region and a non-display region at least partially surrounding the display region. The display region comprises a plurality of pixels arranged in an array, each pixel comprises a plurality of sub-pixels, and each sub-pixel comprises a light emitting component. The packaging cover plate is disposed opposite to the array substrate, and comprises a first substrate and a plurality of organic layers. The plurality of organic layers are located on the side of the first substrate close to the array substrate. The sealant is located in the non-display region and located between the array substrate and the packaging cover plate to bond the array substrate and the packaging cover plate together. There is a spacer region between the organic layer closest to the sealant in the direction from the display region to the sealant among the plurality of organic layers and the sealant. The organic layer closest to the sealant is separated from the sealant by the spacer region, and the spacer region is located in the non-display region.

4. 发明公开

EP4068379A1 ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING SAME, AND DISPLAY PANEL 审中-公开
公开(公告)号：EP4068379A1
公开(公告)日：2022-10-05
申请号：EP19945472.9
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： WU, Zhongyuan , LI, Yongqian , YUAN, Can , LI, Meng , YUAN, Zhidong , FENG, Xuehuan , LIU, Lang , ZHANG, Dacheng
IPC分类号： H01L27/32 , H01L51/56
摘要： The present disclosure relates to the field of display technologies, and provides an array substrate, a manufacturing method thereof, and a display panel. In the array substrate, a substrate is provided with a first transistor and a second transistor, a first electrode of the first transistor is electrically connected to a gate of the second transistor; a conductive layer is disposed on the substrate, and includes a first conductor portion, a first semiconductor portion, a second conductor portion that are sequentially connected along a first direction; a first gate insulating layer is disposed on a side of the conductive layer away from the substrate; a first gate layer is disposed on a side of the first gate insulating layer away from the substrate to form the gate of the second transistor; a dielectric layer is disposed on the substrate to cover a part of the first conductor portion, a part of the second conductor portion and a part of the first gate layer, and an orthographic projection of a first via hole disposed on the dielectric layer on the substrate overlaps with orthographic projections of at least a part of the first conductor portion, at least a part of the second conductor portion and the first gate layer on the substrate; and a first source/drain layer is disposed on a side of the dielectric layer away from the substrate to cover the first via hole.

5. 发明公开

EP4068375A1 DISPLAY SUBSTRATE AND DISPLAY APPARATUS 审中-公开
公开(公告)号：EP4068375A1
公开(公告)日：2022-10-05
申请号：EP19945443.0
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Display Technology Co., Ltd.
发明人： WU, Zhongyuan , LI, Yongqian , YUAN, Can , YUAN, Zhidong , ZHANG, Dacheng , LIU, Lang
IPC分类号： H01L27/32 , G09G3/32
摘要： A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, and at least one sub-pixel includes a storage capacitor. The storage capacitor includes a first capacitor electrode, a second capacitor electrode and a third capacitor electrode, and the second capacitor, the first second capacitor and the third second capacitor are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate. The base substrate can effectively improve the display effect.

6. 发明公开

EP4024466A1 ELECTRONIC DEVICE SUBSTRATE AND METHOD FOR MANUFACTURE AND ELECTRONIC DEVICE THEREOF 审中-实审
公开(公告)号：EP4024466A1
公开(公告)日：2022-07-06
申请号：EP19933232.1
申请日：2019-08-27
申请人： BOE Technology Group Co., Ltd.
发明人： ZHANG, Kui , LU, Pengcheng , LIU, Li , LI, Yunlong , ZHANG, Dacheng
IPC分类号： H01L27/32 , H01L21/77
摘要： An electronic device substrate (100), a manufacturing method thereof, and an electronic device (10) are provided. The electronic device substrate (100) includes a base substrate (1340), a first insulating layer (131), and a plurality of light-emitting sub-units (110), a first conductive member (121) and a second conductive member (122), which are on a side of the first insulating layer (131) away from the base substrate (1340). The plurality of light-emitting sub-units (110) and the first conductive member (121) are respectively in an array region (101) and a periphery region (102) of the electronic device substrate (100), and the second conductive member (122) is between the first conductive member (121) and the array region; an orthogonal projection of the first conductive member (121) on the base substrate (1340) and an orthogonal projection of the second conductive member (122) on the base substrate (1340) are spaced apart; each of the plurality of light-emitting sub-units (110) includes a first driving electrode (111) and a second driving electrode (112) which are configured to apply a light-emitting driving voltage, second driving electrodes (112) of the plurality of light-emitting sub-units (110) are integrated to form a first common electrode layer (114); the periphery region (102) further includes a second common electrode layer (115) electrically connected to the first conductive member (121) and the first common electrode layer (114), and both the second conductive member (122) and the first driving electrode (111) are in direct contact with the first insulating layer (131). By providing the second conductive member (122), the performance of the electronic device substrate (100) and the electronic device (10) can be improved.

7. 发明公开

EP4024124A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4024124A1
公开(公告)日：2022-07-06
申请号：EP19933234.7
申请日：2019-08-27
申请人： BOE Technology Group Co., Ltd.
发明人： LI, Yunlong , LU, Pengcheng , ZHANG, Kui , LIU, Li , YANG, Shengji , HUANG, Kuanta , CHEN, Xiaochuan , ZHANG, Dacheng
IPC分类号： G02F1/1333 , H01L51/52 , H01L27/32
摘要： A display substrate and a manufacturing method thereof, and a display device. The display substrate includes: a base substrate (500) including a display region (A) and a peripheral region (B) surrounding the display region (A); a first light emitting element in the display region of the base substrate (500); and a color film structure on a display side of the first light emitting element. The color film structure includes: a first color film (200), including only a first pixel color film (210) located in the display region (A); and a second color film (300), including a second pixel color film (310) located in the display region (A) and at least partially non-overlapping with the first pixel color film (210), and a first frame color film (320) located in the peripheral region (B) and surrounding the display region (A). This display substrate can solve the problems of light reflection of a lower reflective structure and uneven coating of a last color film of the color film structure.

8. 发明公开

EP3996074A1 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP3996074A1
公开(公告)日：2022-05-11
申请号：EP20900682.4
申请日：2020-05-15
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： LI, Meng , LI, Yongqian , WANG, Jingquan , XU, Chen , ZHANG, Dacheng , YUAN, Zhidong , YUAN, Can , FENG, Xuehuan
IPC分类号： G09F9/30
摘要： A display region includes a plurality of pixel driving circuitry setting regions arranged sequentially in a first direction, and each pixel driving circuitry setting region extends in a second direction intersecting the first direction. Each display unit includes a plurality of subpixels in one-to-one correspondence with the pixel driving circuitry setting regions, each subpixel includes a subpixel driving circuitry and a light-emitting element coupled to each other, the subpixel driving circuitry is located in a corresponding pixel driving circuitry setting region, the light-emitting element is located at a side of the subpixel driving circuitry away from the substrate, a width of the light-emitting element is greater than a width of the corresponding pixel driving circuitry setting region in the first direction, and a length of the light-emitting element is smaller than a length of the corresponding pixel driving circuitry setting region in the second direction.

9. 发明公开

EP4131446A1 DISPLAY SUBSTRATE, PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4131446A1
公开(公告)日：2023-02-08
申请号：EP20897668.8
申请日：2020-03-27
申请人： BOE Technology Group Co., Ltd.
发明人： WANG, Qing , HUANG, Kuanta , CHEN, Xiaochuan , ZHANG, Dacheng
IPC分类号： H01L51/50
摘要： Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a base substrate, a light-emitting element disposed on the base substrate, and an encapsulation layer disposed on the light-emitting element, the display substrate further comprises a driving circuit connected with the light-emitting element and configured to drive the light-emitting element, the driving circuit comprises a driving transistor which comprises an active layer located inside the base substrate; the encapsulation layer comprises a first gradient layer and a second gradient layer stacked along a direction away from the base substrate, a content of oxygen element in the first gradient layer gradually decreases, and a content of carbon element in the second gradient layer gradually increases along the direction away from the base substrate.

10. 发明公开

EP4068376A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4068376A1
公开(公告)日：2022-10-05
申请号：EP19945451.3
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： YUAN, Can , LI, Yongqian , LI, Meng , YUAN, Zhidong , ZHANG, Dacheng , LIU, Lang
IPC分类号： H01L27/32
摘要： A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels. The display substrate can effectively improve display density and meanwhile optimize the wiring.

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