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11. 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.

12. 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.

13. 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.

14. 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.

15. 发明公开

EP4207325A1 DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR 审中-实审
公开(公告)号：EP4207325A1
公开(公告)日：2023-07-05
申请号：EP21942722.6
申请日：2021-11-15
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： HU, Yue , HANAWA, Koji , ZHANG, Dacheng , ZHANG, Meixiu
IPC分类号： H01L51/50 , H01L51/52 , H01L51/56
摘要： The present disclosure provides a display device and a method for manufacturing the same, the display device includes an anode layer, a hole injection layer, a hole transport layer, a light-emitting material layer, an electron transport layer, an electron injection layer and a cathode layer arranged in sequence; the electron injection layer comprises at least one electron injection layer, at least one high impedance layer is further arranged between at least one of the electron injection layers and the cathode layer, and the resistivity of the electron injection layer and the resistivity of the cathode layer are both smaller than the resistivity of the high impedance layer. The display device and the method for manufacturing the same provided by the present disclosure can solve the problem of short circuit between cathode and anode of the display device caused by particles, significantly reduce the number of dark spots on the panel of the display device, and improve the panel yield of the display device.

16. 发明公开

EP4188055A1 DISPLAY PANEL AND MANUFACTURE METHOD THEREOF, AND DISPLAY APPARATUS 审中-实审
公开(公告)号：EP4188055A1
公开(公告)日：2023-05-31
申请号：EP23152180.8
申请日：2019-10-21
申请人： BOE Technology Group Co., Ltd.
发明人： GAO, Xinwei , MA, Kaihong , ZHANG, Dacheng , LIU, Lang , XU, Chen
IPC分类号： H10K59/131 , H10K50/842 , H10K50/844 , G02F1/1333
摘要： A display panel (10) and a manufacture method thereof, and a display apparatus (100) are provided. The display panel (10) has a display region (101) and a border region (102) that surrounds the display region (101) and includes a peripheral circuit region (1020) and a peripheral region; the peripheral circuit region (1020) is between the display region (101) and the peripheral region. At least a part of a barrier structure (3) of the display panel (10) is in the peripheral circuit region (1020), and the barrier structure (3) includes an organic barrier layer (31) including an opening (3101) passing through the organic barrier layer (31) and an inorganic barrier layer (32) covering the organic barrier layer (31) and filling the opening (3101); an extension direction of the opening (3101) is same as that of an edge, close to the opening (3101), of the display panel (10); the peripheral circuit is in the peripheral circuit region (1020).

17. 发明公开

EP4053904A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 有权
公开(公告)号：EP4053904A1
公开(公告)日：2022-09-07
申请号：EP20870454.4
申请日：2020-08-19
申请人： BOE Technology Group Co., Ltd.
发明人： XU, Pan , LI, Yongqian , WANG, Guoying , ZHANG, Dacheng , XU, Chen , LIU, Lang , ZHANG, Xing , WANG, Ling , LIN, Yicheng , HAN, Ying
IPC分类号： H01L27/32 , H01L21/77
摘要： Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes multiple sub-pixels, wherein each sub-pixel includes a light-emitting region and a non-light-emitting region, and each sub-pixel is provided with a drive circuit; the drive circuit includes a storage capacitor and multiple transistors; for each sub-pixel, the multiple transistors are in the non-light-emitting region, the storage capacitor is a transparent capacitor, and an orthographic projection of the storage capacitor on a base substrate coincides with the light-emitting region. A first electrode of the storage capacitor is disposed in a same layer as an active layer of the multiple transistors, but in a different layer from source and drain electrodes of the multiple transistors, and a second electrode of the storage capacitor is on a side of the first electrode close to the base substrate. A first electrode of a drive transistor is connected to the second electrode through an active layer of the drive transistor, and a first electrode of a sense transistor is connected to the second electrode through an active layer of the sense transistor.

18. 发明公开

EP4050662A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 有权
公开(公告)号：EP4050662A1
公开(公告)日：2022-08-31
申请号：EP21743021.4
申请日：2021-06-08
申请人： BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
发明人： ZHANG, Dacheng , XU, Chen
IPC分类号： H01L27/32
摘要： A display substrate (10) and a display apparatus (30) are provided. The display substrate (10) includes a first conductive structure (110) including a first surface (111) and a third surface (113) that are opposite and a second surface (112) and a fourth surface (114) that are opposite, and the first surface and the second surface are made of a same material. The first surface (111) and the second surface (112) respectively have different angles with a plate surface of the base substrate (101). The first surface (111) is provided with a first surface microstructure (11), and the second surface (112) is provided with a second surface microstructure (12); the first surface microstructure (11) has a first cross section (11a) perpendicular to the base substrate (101), the first cross section (11) has a first orthogonal projection (C1C2) on the third surface (113), and a length of the first orthogonal projection (C1C2) is less than a length of the first surface microstructure (11) in the first cross section (11a); and the second surface microstructure (12) has a second cross section (12a) perpendicular to the base substrate (101), the second cross section (12a) has a second orthogonal projection (D1D2) on the fourth surface (114), and a length of the second orthogonal projection (D1D2) is less than a length of the second surface microstructure (12) in the second cross section (12a). The display substrate (10) can effectively increase the yield.

19. 发明公开

EP4020608A1 DISPLAY SUBSTRATE AND FABRICATION METHOD THEREFOR 审中-公开
公开(公告)号：EP4020608A1
公开(公告)日：2022-06-29
申请号：EP19932228.0
申请日：2019-08-23
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： LIU, Li , WEI, Junbo , LU, Pengcheng , YANG, Shengji , LI, Yunlong , SHI, Rongrong , ZHANG, Dacheng
IPC分类号： H01L51/50 , H01L51/52 , H01L51/56
摘要： A display panel and a method for manufacturing a display panel are disclosed. The display panel includes a first sub-pixel region and a second sub-pixel region which are adjacent to each other. The display panel includes a substrate and a first conductive layer, an organic functional layer, and a second conductive layer which are sequentially on the substrate. The organic functional layer includes a charge generation layer, and the charge generation layer includes a first charge generation layer portion and a second charge generation layer portion which are in the first sub-pixel region and the second sub-pixel region, respectively. The display panel further includes a spacer between the first sub-pixel region and the second sub-pixel region, and the spacer disconnects the first charge generation layer portion and the second charge generation layer portion. The charge generation layer further includes a third charge generation layer portion which is between the spacer and the second conductive layer and disconnected from the first charge generation layer portion and the second charge generation layer portion, respectively. The display panel can effectively prevent the electrical leakage and color cross-talk between sub-pixels.

20. 发明公开

EP4012775A1 PIXEL DRIVE CIRCUIT, DISPLAY PANEL, AND ELECTRONIC DEVICE 审中-实审
公开(公告)号：EP4012775A1
公开(公告)日：2022-06-15
申请号：EP20904245.6
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 , XU, Chen , ZHANG, Dacheng , WANG, Jingquan , SUN, Shi
IPC分类号： H01L27/32
摘要： A pixel driving circuit, a display device and an electronic device are provided. The pixel driving circuit includes: a first sub-pixel driving circuit (SPC1), a second sub-pixel driving circuit (SPC2), a third sub-pixel driving circuit (SPC3), and a fourth sub-pixel driving circuit (SPC4) sequentially arranged in a first direction; a detection line (SL) extending in a second direction substantially perpendicular to the first direction and located between the second sub-pixel driving circuit (SPC2) and the third sub-pixel driving circuit (SPC3), wherein the detection line (SL) is configured to obtain a detection sampling signal from each sub-pixel driving circuit; a first power line (VDDL) extending in the second direction and configured to provide a constant first voltage signal (VDD) to each sub-pixel driving circuit; and a second power line (VSSL) extending in the second direction and configured to provide a constant second voltage signal (VSS) to a pixel where the pixel driving circuit is located, wherein one of the first power line (VDDL) and the second power line (VSSL) is provided on a side of the second sub-pixel driving circuit (SPC2) away from the third sub-pixel driving circuit (SPC3), and the other of the first power line and the second power line is provided on a side of the third sub-pixel driving circuit (SPC3) away from the second sub-pixel driving circuit (SPC2).

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