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公开(公告)号：EP4336558A1
公开(公告)日：2024-03-13
申请号：EP21969505.3
申请日：2021-12-29
发明人： XU, Yuanjie , HUANG, Weiyun , DU, Lili , CHENG, Yudiao
IPC分类号： H01L27/00
摘要： The present application relates to the technical field of displaying. Disclosed are a display panel and a display apparatus. The display panel comprises: a substrate, a plurality of rows of first light-emitting devices, a plurality of rows of first pixel driving circuits, a plurality of rows of second pixel driving circuits, and a plurality of rows of second light-emitting devices, the plurality of rows of first light-emitting devices, the plurality of rows of first pixel driving circuits, and the plurality of rows of second pixel driving circuits being located in a conventional display area on the substrate, and the plurality of rows of second light-emitting devices being located in a light-transmitting display area on the substrate. The first pixel driving circuits are electrically connected to the first light-emitting devices, and the second pixel driving circuits are electrically connected to the second light-emitting devices; that is, the pixel driving circuits for the second light-emitting devices in the light-transmitting display area are arranged in the conventional display area, so that there is no need to arrange pixel driving circuits in a peripheral area, thereby reducing the size of the peripheral area. Accordingly, the problem in the prior art is solved that the bezel of a display panel is large, and the effect of reducing the bezel of the display panel is achieved.
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公开(公告)号：EP4243076A1
公开(公告)日：2023-09-13
申请号：EP20966390.5
申请日：2020-12-23
发明人： HUANG, Yao , DU, Lili , WU, Chao , LONG, Yue , LIU, Cong , ZHOU, Rui , HUANG, Weiyun , SHI, Bo , YU, Chi , WANG, Qiwei
摘要： A display panel and a display apparatus are provided in the present disclosure. The display panel has a display region comprising a first display region and a second display region, and a density of pixel circuits in the first display region is less than a density of pixel circuits in the second display region; the display panel includes: a base substrate; a plurality of first pixel circuits disposed on the base substrate and located in the second display region; a plurality of first traces disposed on a side of the first pixel circuits away from the base substrate; a pixel defining layer disposed on a side of the first traces away from the base substrate and defining a plurality of openings; a plurality of first light emitting devices disposed on the side of the first traces away from the base substrate and located in the first display region, where the first light emitting devices have effective light emitting regions respectively located in the openings, the first light emitting devices have first anodes each comprising an effective light emitting anode region and a non-light emitting anode region disposed surrounding the effective light emitting anode region, and the pixel defining layer covers the non-light emitting anode region; where the first traces are respectively electrically connected with the first pixel circuits through first vias and respectively electrically connected with the first anodes through second vias, and orthographic projections of the second vias on the base substrate are respectively located in orthographic projections of the first anodes on the base substrate.
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公开(公告)号：EP4220726A1
公开(公告)日：2023-08-02
申请号：EP20962945.0
申请日：2020-11-27
IPC分类号： H01L27/32
摘要： A display substrate, a display panel, and a display apparatus, the display substrate comprising: a base substrate (10) having a display area (AA) and a border area (BB) surrounding the display area (AA), the display area (AA) comprising: a first display area (AA1) and a second display area (AA2) positioned at least on one side of the first display area (AA1); the density of a plurality of first light emitting devices in the first display region (AA1) is the same as the density of a plurality of second light emitting devices in the second display region (AA2); and at least one transparent electrically-conductive layer positioned between a drive circuit layer and a light emitting device layer; each of the at least one transparent electrically-conductive layers comprises a plurality of first anode wires (101) electrically connected to first anodes (11); the first anode wires (101) at least comprise a first portion (01) extending in the column direction (Y) and a second portion (02) extending in the row direction (X), the second portion (02) of the plurality of first anode wires (101) electrically connected to the first anodes (11) in the same row being positioned between two different adjacent rows of first anodes (11), and the second portion (02) being led out along the row direction (X) to the outside of the first display region (AA1).
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公开(公告)号：EP4040430A1
公开(公告)日：2022-08-10
申请号：EP21832038.0
申请日：2021-05-17
摘要： Provided are a display substrate (20) and a display apparatus (40). The display substrate (20) comprises a first display area (21) and a second display area (22), the pixel density of the first display area (21) being greater than that of the second display area (22). A first pixel circuit (110) of a first sub-pixel of the first display area (21) comprises a pixel circuit unit (100), and a second pixel circuit (120) of a second sub-pixel of the second display area (22) comprises two pixel circuit units (100); and the first pixel circuit (110) is configured to be connected to a first power supply voltage end (103) so as to receive a first power supply voltage (VDD1) as a pixel power supply voltage, and the second pixel circuit (120) is configured to be connected to a second power supply voltage end (104) so as to receive a second power supply voltage (VDD2) as a pixel power supply voltage, the first power supply voltage (VDD1) being different from the second power supply voltage (VDD2).
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公开(公告)号：EP4318451A1
公开(公告)日：2024-02-07
申请号：EP21957012.4
申请日：2021-09-14
发明人： DU, Lili , HUANG, Weiyun
IPC分类号： G09G3/3225
摘要： Provided are a display panel and a display device. The display panel comprises: a pixel unit located on a substrate base and comprising a pixel circuit and a light-emitting element, wherein the pixel circuit comprises a driving transistor, a first reset transistor, and a second reset transistor; a first initialization signal line connected to a first electrode of the first reset transistor; a first reset control signal line connected to a gate of the first reset transistor; and a second initialization signal line connected to a first electrode of the second reset transistor, a second electrode of the second reset transistor being connected to a first electrode of the light-emitting element and being configured to reset the first electrode of the light-emitting element, the first initialization signal line and the second initialization signal line being located in a same layer and being located in a layer different from that of the first reset control signal line, and the orthographic projection of the first reset control signal line on the substrate base being located between the orthographic projection of the first initialization signal line on the substrate base and the orthographic projection of the second initialization signal line on the substrate base.
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公开(公告)号：EP4207299A1
公开(公告)日：2023-07-05
申请号：EP21943386.9
申请日：2021-05-31
发明人： WEI, Feng , HU, Ming , ZHOU, Hongjun , DU, Lili , LIU, Cong
摘要： A display panel and a display device (1000) are provided. The display panel includes: a base substrate (10) including a display region (AA) and a peripheral region (NA); a first electrode layer (25) arranged on the base substrate (10); a pixel defining layer (PDL) arranged on a side of the first electrode layer (25) away from the base substrate (10), wherein the pixel defining layer (PDL) includes a first part (PDL01) and a second part (PDL02), the first part (PDL01) is located in the display region (AA) and includes an opening corresponding to a plurality of sub-pixels, the second part (PDL02) is located in the peripheral region (NA), and the second part (PDL02) and the first part (PDL01) are formed as an integral structure; and a spacer layer (PSL) arranged on a side of the pixel defining layer (PDL) away from the base substrate (10). The spacer layer (PSL) includes a first spacer repetitive unit (PSX1) located in the display region (AA) and a second spacer repetitive unit (PSX2) located in the peripheral region (NA). An orthographic projection of the second spacer repetitive unit (PSX2) on the base substrate (10) falls within an orthographic projection of the second part (PDL02) on the base substrate (10) and is located on a side, facing the display region (AA), of a boundary (PDLS), which is away from the display region (AA), of the second part (PDL02).
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公开(公告)号：EP4202900A1
公开(公告)日：2023-06-28
申请号：EP21938532.5
申请日：2021-04-30
发明人： CHEN, Wenbo , HAN, Linhong , KO, Youngyik , YAN, Qingqing , WANG, Qiwei , YI, Hong , XU, Yuanjie , YANG, Zhongliu , WANG, Benlian , YU, Ziyang , DU, Lili , QING, Haigang , HUANG, Weiyun
摘要： A display substrate (1) and a display device (2). The display substrate (1) comprises: a base substrate (100), at least one contact pad (BD1), a plurality of first light-emitting elements (11A), a plurality of first pixel drive circuits (14A), a plurality of connection traces (LS1), a plurality of data lines (DAT), and a plurality of leads (ST1). A display area (10) comprises a first display area (101) and a second display area (102). The plurality of first light-emitting elements (11A) are located in the first display area (101). The plurality of first pixel drive circuits (14A) are located in the second display area (102). The plurality of leads (ST1) are located in the first display area (101) and a peripheral area (20). The plurality of leads (ST1) are connected to the plurality of data lines (DAT) and the at least one contact pad (BD1). The orthographic projection of the plurality of first light-emitting elements (11A) on a plate surface (S) of the base substrate (100) at least partially overlaps the orthographic projection of the plurality of leads (ST1) on the plate surface (S) of the base substrate (100).
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公开(公告)号：EP4131414A1
公开(公告)日：2023-02-08
申请号：EP21933782.1
申请日：2021-03-31
发明人： WANG, Zhi , LONG, Yue , HUANG, Weiyun , HUANG, Yao , WANG, Benlian , DU, Lili , CHENG, Yudiao , SHI, Bo
摘要： The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel comprises: a first display area, comprising a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units; and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted, wherein the first driving layer comprises a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and comprising a hollow structure which exposes at least part of the second display area.
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公开(公告)号：EP3876028A1
公开(公告)日：2021-09-08
申请号：EP19856415.5
申请日：2019-08-30
发明人： DU, Lili , LONG, Yue , ZHOU, Hongjun , SONG, Erlong , ZENG, Chao
IPC分类号： G02F1/1337
摘要： The disclosure relates to the field of display technology. A display substrate motherboard and a method for manufacturing the same are disclosed. In the technical solution provided by the embodiments of the disclosure, by providing via holes formed in the film, instead of small area island-like film patterns, as stitch marks of the display substrate motherboard , a possibility of stitch mark peeling is reduced, thereby further ensuring a reliability and yield of product.
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公开(公告)号：EP4425470A1
公开(公告)日：2024-09-04
申请号：EP22946155.3
申请日：2022-06-14
发明人： YAN, Zhuoran , YANG, Ni , XU, Yuanjie , DU, Lili , CHENG, Yudiao , WANG, Qiwei
IPC分类号： G09G3/3225
CPC分类号： G09G3/3225
摘要： A display substrate and a display apparatus. The display substrate comprises a first display area and a second display area located on at least one side of the first display area, and the light transmittance of the first display area is greater than that of the second display area. The first display area is provided with a plurality of first light-emitting devices, the second display area is provided with a plurality of first pixel driving circuits and a plurality of second pixel driving circuits, and the second display area is further provided with a plurality of second light-emitting devices. The first pixel driving circuits are configured to drive the first light-emitting devices, and the second pixel driving circuits are configured to drive the second light-emitting devices. The second display area further comprises a plurality of initialization signal lines which are respectively connected to the plurality of first pixel driving circuits and the plurality of second pixel driving circuits and are configured to apply initialization signals to the first light-emitting devices and the second light-emitting devices. The first pixel driving circuits and the second pixel driving circuits are respectively connected to different initialization signal lines. Hence, a display difference between the first display area and the second display area can be improved.
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