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公开(公告)号：EP4415500A1
公开(公告)日：2024-08-14
申请号：EP22957807.5
申请日：2022-09-09
发明人： LIU, Biao , MA, Hongwei , ZHANG, Yi , SHANG, Tinghua , DONG, Xiangdan , WANG, Rong , CHU, Zhiwen
摘要： A display substrate and a display apparatus. The display substrate comprises a display area (100) and a binding area (200) connected to the display area (100). The display area (100) comprises a plurality of data signal lines (71) and K rows and L columns of sub-pixels (P), K and L being both positive integers greater than 1. A plurality of first spaces (R1) are present between K sub-pixel rows; a plurality of second spaces (R2) are present between L sub-pixel columns; each first space (R1) is located between adjacent two sub-pixel rows; and each second space (R2) is located between adjacent two sub-pixel columns. At least one first space (R1) is provided with a first data connection line (68); at least one second space (R2) is provided with at least one second data connection line (74); one end of the first data connection line (68) is electrically connected to one of the data signal lines (71), and the other end is electrically connected to one second data connection line (74); and one end of the second data connection line (74) is electrically connected to the first data connection line (68), and the other end is electrically connected to the binding area (200).
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公开(公告)号：EP4131413A1
公开(公告)日：2023-02-08
申请号：EP21933664.1
申请日：2021-03-30
发明人： SHANG, Tinghua , LIU, Biao , LIU, Tingliang , YANG, Huijuan , LIAO, Maoying , ZHANG, Yi
摘要： A display panel and a display apparatus. The display panel comprises: a pixel drive circuit, a base substrate, a second conductive layer, and a third conductive layer. The second conductive layer is located at one side of the base substrate, the second conductive layer comprises a plurality of first signal lines (V1), and orthographic projections of a plurality of the first signal lines (V1) onto the base substrate extend along a first direction and are distributed at intervals along a second direction, the first direction and the second direction intersecting; the third conductive layer is located at one side of the second conductive layer away from the base substrate, the second conductive layer comprises a plurality of second signal lines (V2), and orthographic projections of a plurality of the second signal lines (V2) onto the base substrate extend along the second direction and are distributed at intervals along the first direction; wherein the first signal lines (V1) and the second signal lines (V2) are used for providing a same first signal to the pixel drive circuit, and at least a portion of the first signal lines (V1) are connected to at least a portion of the second signal lines (V2) by means of a via hole (H). In the present display panel, the first signal has a lower voltage drop during transmission.
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公开(公告)号：EP4350735A1
公开(公告)日：2024-04-10
申请号：EP21960256.2
申请日：2021-10-14
发明人： CHEN, Jiaxing , ZHANG, Bo , LIU, Biao , NIU, Zuoji , XU, Yang , LONG, Yixuan , SHANG, Tinghua
IPC分类号： H01L20060101
摘要： A display panel (100), comprising a substrate (1), a circuit structure layer (2), a first electrode layer (3) and a pixel defining layer (6) that are stacked in sequence. The circuit structure layer (2) comprises a plurality of pixel driving circuits (21), the first electrode layer (3) comprises a plurality of first electrodes (31), and the first electrodes (31) are electrically connected to the pixel driving circuits (21). The pixel defining layer (6) has a plurality of pixel openings (61), and the pixel openings (61) expose at least part of the first electrodes (31). The orthographic projection of at least one first electrode (31) on the substrate (1) at least partially overlaps with the orthographic projection of the gate, on the substrate (1), of a data compensation transistor (T2) in a pixel driving circuit (21) corresponding to a first electrode (31) and simultaneously at least partially overlaps with the orthographic projection of the gate, on the substrate (1), of the data compensation transistor (T2) in at least one pixel driving circuit (21) adjacent to a pixel driving circuit (21) corresponding to a first electrode (31). The orthographic projection of a pixel opening (61), on the substrate, corresponding to at least one first electrode (31) (1) is separated from the orthographic projection of the gate, on the substrate (1), of the data compensation transistor (T2) in a pixel driving circuit (21) corresponding to a first electrode (31).
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公开(公告)号：EP4307860A1
公开(公告)日：2024-01-17
申请号：EP21955484.7
申请日：2021-09-02
发明人： LIU, Biao , SHANG, Tinghua , YANG, Huijuan , MA, Hongwei
IPC分类号： H10K59/00
摘要： A display substrate and a display apparatus are provided. The display substrate includes a plurality of sub-pixels arranged in an array, and pixel driving circuits of the plurality of sub-pixels form M pixel rows and N pixel columns; the display substrate further includes a first initialization signal line and a second initialization signal line extending in a first direction; the pixel driving circuits include a plurality of transistors and a light-emitting device, and the plurality of transistors include driving transistors; the light-emitting device includes a first electrode, wherein the first initialization signal line is respectively electrically connected with the m th row of sub-pixels, and is configured to transmit a first initialization signal to a control electrode of a driving transistor of the m th row of sub-pixels; the second initialization signal line is respectively electrically connected with the (m-1) th row of sub-pixels, and is configured to transmit a second initialization signal to a first electrode of a light-emitting device of the (m-1) th row of sub-pixels, and m is a positive integer greater than or equal to 1 and less than or equal to M; and the first initialization signal is different from the second initialization signal.
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公开(公告)号：EP4145527A8
公开(公告)日：2023-04-19
申请号：EP20931708.0
申请日：2020-09-29
发明人： LIU, Biao , DU, Mengmeng , MA, Hongwei , SHU, Xiaoqing , ZHANG, Zhenhua
摘要： The present application provides a display substrate and a display apparatus. The display substrate includes a base substrate and a plurality of sub-pixels. A sub-pixel includes a pixel electrode and an effective light-emitting region. The pixel electrode includes a main body portion and a connection portion that are interconnected. Shapes of the main body portion and the effective light-emitting region are the same, and at least partial borders of the main body portion and the pixel electrode coincide. The plurality of sub-pixels at least include a first sub-pixel and a second sub-pixel, and light emitted by the first sub-pixel and the second sub-pixel is the same. The first sub-pixel and the second sub-pixel closest to each other are arranged in a second direction. Areas of orthogonal projections of two pixel electrodes of the first sub-pixel and the second sub-pixel on the base substrate are different. Two orthogonal projections of a connection portion and a main body portion of at least one of the first sub-pixel and the second sub-pixel on a straight line extending in a first direction are at least partially non-overlapped. An orthogonal projection of a pixel electrode of the second sub-pixel on a straight line extending in the second direction is located within an orthogonal projection of a pixel electrode of the first sub-pixel on the same straight line.
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公开(公告)号：EP4123430A1
公开(公告)日：2023-01-25
申请号：EP20925377.2
申请日：2020-03-18
发明人： DU, Mengmeng , LIU, Biao , WANG, Junxi , YANG, Yixiang
摘要： Disclosed are a display panel and a display apparatus. The display panel comprises: a base substrate (010) which comprises a notch area (A2), a display area (A1) and a first non-display area (A3), wherein the first non-display area (A3) is located between the notch area (A2) and the display area (A1); a first conductive layer disposed on the base substrate; a target insulating layer located between the first conductive layer and the base substrate; and a functional layer located between the target insulating layer and the base substrate (010). The display area (A1) comprises a plurality of sub-pixels (spx), and at least one of the plurality of sub-pixels (spx) comprises a connecting through hole, wherein the connecting through hole runs through the target insulating layer, and the first conductive layer is electrically connected to the functional layer by means of the connecting through hole. The first non-display area (A3) comprises at least one auxiliary through hole, wherein the auxiliary through hole runs through the target insulating layer and the auxiliary through hole is not filled with a conductive material.
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公开(公告)号：EP4123427A1
公开(公告)日：2023-01-25
申请号：EP20897623.3
申请日：2020-03-20
发明人： LIU, Biao , DU, Mengmeng , DONG, Xiangdan , MA, Hongwei , SHANG, Tinghua , QING, Haigang , YU, Pengfei
IPC分类号： G06F3/041
摘要： The present disclosure provides a display panel and a display device. The display panel includes a display area and a peripheral area surrounding the display area. The display area includes a pixel array on a substrate. The pixel array including a plurality of sub-pixels. The peripheral area including: a bending area on a side of the display area; a plurality of multiplexers on a side of the bending area away from the display area, wherein the plurality of multiplexers are on the substrate, and each multiplexer is at least connected with a signal input line and two signal output lines; and a bonding area on a side of the plurality of multiplexers away from the bending area. The plurality of multiplexers are electrically connected to the plurality of sub-pixels through the bending area. The signal input line is electrically connected to the bonding area. An orthographic projection of the signal input line on the substrate does not overlap with an orthographic projection of the bending area on the substrate. The present disclosure may reduce a wiring conflict between the multiplexer and a signal line of a GOA circuit.
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公开(公告)号：EP4050658A1
公开(公告)日：2022-08-31
申请号：EP19945403.4
申请日：2019-10-23
发明人： DU, Mengmeng , DONG, Xiangdan , MA, Hongwei , YAN, Jun , CHENG, Bo , LIU, Biao
摘要： A display substrate and a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate (1000), a plurality of sub-pixels (110), a plurality of data lines (1101), a plurality of data leads (1220), at least one group of contact pads (1210), and a first insulation layer (1230). The base substrate (1000) includes a display region (1100) and a bonding region (1200) located at at least one side of the display region (1100). The plurality of data lines (1101) are configured to provide data signals to the plurality of sub-pixels (110). The plurality of data leads (1220) are located in the bonding region (1200) and are electrically connected with the plurality of data lines (1101). The least one group of contact pads includes a plurality of contact pads (1210), at least one of the plurality of contact pads (1210) includes a first contact pad metal layer (1215) and a second contact pad metal layer (1217), the second contact pad metal layer (1217) covers an edge of the first contact pad metal layer (1215). The first insulation layer (1230) is located in the bonding region (1200). The first insulation layer (1230) is located in gaps between the plurality of contact pads (1210) and covers edges of the plurality of contact pads (1210), and is configured to expose surfaces of the plurality of contact pads (1210) facing away from the base substrate.
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公开(公告)号：EP4443415A1
公开(公告)日：2024-10-09
申请号：EP22944244.7
申请日：2022-05-31
发明人： SHU, Xiaoqing , YANG, Huijuan , LIU, Tingliang , LIAO, Maoying , LI, Lingtong , WEI, Liheng , SHANG, Tinghua , LIU, Biao , LONG, Yixuan , XU, Peng , HUANG, Yao , WANG, Binyan
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233
摘要： A display substrate and a display apparatus. The display substrate comprises a display area and a peripheral area. The display substrate comprises a plurality of sub-pixels, which are located on a base substrate. At least some of the sub-pixels which are located in the display area comprise light-emitting elements and pixel circuits. Each light-emitting element comprises a light-emitting functional layer, and a first electrode and a second electrode, which are located on two sides of the light-emitting functional layer in a direction perpendicular to the base substrate, wherein the first electrode is located between the light-emitting functional layer and the base substrate. Each pixel circuit comprises a drive transistor and a light emission control transistor, wherein the first electrode of the light-emitting element is electrically connected to the light emission control transistor. The display substrate further comprises a binding area, which is located in the peripheral area, wherein the binding area is located on a first side of the display area. In the same pixel circuit, a channel area of the light emission control transistor is located on the side of a channel area of the drive transistor that is away from the binding area. In the embodiments of the present disclosure, pixel circuits located in a display area are designed, thereby being conducive to reducing a lower frame of the display apparatus on the basis that a pixel space is fully utilized.
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公开(公告)号：EP4333022A1
公开(公告)日：2024-03-06
申请号：EP22929453.3
申请日：2022-05-09
发明人： SHU, Xiaoqing , LIU, Biao , DENG, Jiangtao , YANG, Huijuan , ZHANG, Yi , LIU, Tingliang , LIAO, Maoying , LI, Lingtong , WEI, Liheng , HUANG, Yao , CAI, Jianchang
IPC分类号： H01L20060101
摘要： A display panel, comprising: a substrate (310), a circuit structure layer (20), a light-emitting structure layer and a plurality of conductive layers. The conductive layers are located between the circuit structure layer (20) and the light-emitting structure layer, and comprise a plurality of conductive wires. At least one of a plurality of second pixel driving circuits is electrically connected to at least one second light-emitting device by means of a conductive wire, and the at least one second pixel driving circuit is configured to drive the at least one second light-emitting device to emit light. There is an overlap between orthographic projections, on the substrate (310), of parts of conductive wires of at least two of the plurality of conductive layers, which parts extend in a first direction (D1).
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