专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 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).

22. 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.

23. 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.

24. 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.

25. 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).

26. 发明公开

EP4387418A1 DISPLAY MODULE AND PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4387418A1
公开(公告)日：2024-06-19
申请号：EP21960996.3
申请日：2021-10-21
申请人： BOE Technology Group Co., Ltd. , Yunnan Invensight Optoelectronics Technology Co., Ltd.
发明人： ZHU, Zhijian , LU, Pengcheng , YANG, Shengji , HUANG, Kuanta , CHEN, Xiaochuan , WU, Qian , FAN, Longfei , ZHANG, Dacheng
IPC分类号： H10K59/00 , H10K50/80 , G02B5/00
CPC分类号： G02B5/00 , H10K50/858 , H10K59/38 , H10K59/879
摘要： A display module and a preparation method therefor, and a display device. The display module comprises a display panel (1), a color film layer (4) and a microlens layer (6), wherein the color film layer (4) is arranged on a light-emitting side of the display panel (1), and the color film layer (4) comprises a plurality of light filter portions (4a); the microlens layer (6) is arranged on the side of the color film layer (4) away from the display panel (1), the microlens layer (6) comprises a plurality of first converging lenses (61) and a plurality of second converging lenses (62); a gap (65) is provided between two adjacent first converging lenses (61), an orthographic projection of one first converging lens (61) on the display panel (1) is located in an orthographic projection of one light filter portion (4a) on the display panel (1); the second converging lens (62) is arranged in the gap (65) between the two adjacent first converging lenses (61); and the second converging lens (62) is connected to the first converging lens (61). By means of the microlens layer (6), the brightness of the display module is improved and the cross color thereof is reduced.

27. 发明公开

EP4339698A1 DISPLAY PANEL, FABRICATION METHOD THEREFOR, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4339698A1
公开(公告)日：2024-03-20
申请号：EP21962933.4
申请日：2021-11-05
申请人： BOE Technology Group Co., Ltd. , Yunnan Invensight Optoelectronics Technology Co., Ltd.
发明人： YANG, Zongshun , ZHANG, Dacheng , HUANG, Kuanta , CHEN, Xiaochuan
IPC分类号： G02F1/1335 , G02F1/1339
摘要： A display panel (10) and a display device. A plurality of sub-pixels (01, 02, 03) of the display panel (10) are disposed on a main surface (1a) of a substrate (1), a color film of the plurality of sub-pixels (01, 02, 03) comprises a first color film (21) and a second color film (22) that are adjacent to one another, the first color film (21) and the second color film (22) having different light transmission colors, and the light transmittance of the second color film (22) being less than the light transmittance of the first color film (21); a first light-transmitting portion (210) of the first color film (21) allows light to pass through so as to be emitted from the display panel (10), and a first peripheral portion of the first color film (21) surrounds the first light-transmitting portion (210) and comprises a first part (211) that is located on the side of the first light-transmitting portion (210) close to the second color film (22); a second light-transmitting portion (220) of the second color film (22) allows light to pass through so as to be emitted from the display panel (10), and a second peripheral portion of the second color film (22) surrounds the second light-transmitting portion (220) and comprises a first part (221) that is located on the side of the second light-transmitting portion (220) close to the first color film (21); and the first part (221) of the second peripheral portion comprises a first sub-layer (221a) and a second sub-layer (221b) that overlap in the longitudinal direction and are spaced apart from one another, and in the longitudinal direction, the first part (211) of the first peripheral portion is located between the first sub-layer (221a) and the second sub-layer (221b).

28. 发明公开

EP4068255A1 DISPLAY SUBSTRATE AND DISPLAY APPARATUS 审中-公开
公开(公告)号：EP4068255A1
公开(公告)日：2022-10-05
申请号：EP19945449.7
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 , ZHANG, Dacheng , LIU, Lang
IPC分类号： G09G3/20
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, and the column direction is a first direction and the row direction is a second direction. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. An active layer of the third transistor includes a body region and a first via hole region which are successively arranged in the first direction and are electrically connected with each other; a first electrode of the third transistor is electrically connected to the first via hole region through a first via hole, and the first via hole region is shifted in the second direction with respect to the body region, so that the active layer incudes a first active layer side connecting the body region and the first via hole region; an extension direction of the first active layer side intersects with both the first direction and the second direction. The display substrate can effectively improve the display effect.

29. 发明公开

EP4012776A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREFORE, DISPLAY PANEL, AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP4012776A1
公开(公告)日：2022-06-15
申请号：EP20904258.9
申请日：2020-05-19
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： YUAN, Zhidong , ZHANG, Dacheng , LI, Yongqian , LIU, Lang , WU, Zhongyuan , YUAN, Can , LI, Meng
IPC分类号： H01L27/32 , H01L51/50
摘要： A display substrate includes: a base substrate including a display area and a peripheral area located on at least a first side of the display area; a plurality of pixel units arranged in an array in the display area of the base substrate, wherein each of the pixel units includes a pixel drive circuit and a light emitting device electrically connected to the pixel drive circuit, the light emitting device includes a first electrode, a second electrode, and a light emitting layer between the first electrode and the second electrode; a first power trace located in the peripheral area and electrically connected to the first electrode; a second power trace located in the peripheral area and electrically connected to the second electrode; a planarization layer with at least a portion thereof being located in the peripheral area. An orthographic projection of the planarization layer on the base substrate at least partially overlaps an orthographic projection of each of the first power trace and the second power trace on the base substrate, the first power trace and the second power trace are located in different layers, and a portion of the planarization layer is located between the first power trace and the second power trace.

30. 发明公开

EP4012774A1 DISPLAY PANEL AND ELECTRONIC APPARATUS 审中-实审
公开(公告)号：EP4012774A1
公开(公告)日：2022-06-15
申请号：EP20904236.5
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 , WU, Zhongyuan , LI, Yongqian , ZHANG, Dacheng , WANG, Jingquan , WANG, Yu , XU, Chen
IPC分类号： H01L27/32
摘要： A display panel and an electronic device, wherein the display panel including: a base substrate; and a pixel arranged on the base substrate, wherein the pixel includes a first sub-pixel and a second sub-pixel, the first sub-pixel includes a first sub-pixel drive circuit and a first light emitting element driven by the first sub-pixel drive circuit, the second sub-pixel includes a second sub-pixel drive circuit and a second light emitting element driven by the second sub-pixel drive circuit, the first sub-pixel drive circuit and the second sub-pixel drive circuit are arranged sequentially in a first direction parallel to the base substrate and extend in a second direction parallel to the base substrate and crossing the first direction, wherein the first light emitting element includes a first anode electrically connected to the first sub-pixel drive circuit, the second light emitting element includes a second anode electrically connected to the second sub-pixel drive circuit, an orthographic projection of each of the first anode and the second anode on the base substrate partially covers an orthographic projection of the first sub-pixel drive circuit on the base substrate and an orthographic projection of the second sub-pixel drive circuit on the base substrate, and the orthographic projection of the first anode on the base substrate does not overlap the orthographic projection of the second anode on the base substrate.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式