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公开(公告)号：EP3852095A1
公开(公告)日：2021-07-21
申请号：EP19831582.2
申请日：2019-06-05
发明人： LI, Quanhu , DIAO, Yongfu , WANG, Wenkang , YANG, Zhongliu , YANG, Mingjing
IPC分类号： G09G3/3258
摘要： A pixel circuit, a method for driving a pixel circuit, and a display device are provided. The pixel circuit (100) includes: a storage circuit (11), a data writing circuit (12), a light emitting driving circuit (13), and a compensation circuit (14). The data writing circuit (12) is connected to the storage circuit (11), and is configured to write a data voltage to the storage circuit (11) under control of a scanning control signal; the storage circuit (11) is configured to store the data voltage and enable a stored data voltage to be available to the compensation circuit (14) for a compensation operation; the compensation circuit (14) is connected to the light emitting driving circuit (13), and is configured to maintain a compensation voltage based on the stored data voltage at a control terminal of the light emitting driving circuit (13) under control of a compensation control signal; and the light emitting driving circuit (13) is further connected to a light emitting element (EL), and is configured to drive the light emitting element (EL) to emit light under control of the compensation voltage.
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公开(公告)号：EP4336484A1
公开(公告)日：2024-03-13
申请号：EP22937929.2
申请日：2022-04-22
发明人： LI, Zhengkun , LI, De , QING, Haigang , LONG, Yue , LIU, Cong , WANG, Qiwei , WANG, Binyan , YANG, Zhongliu , CHENG, Tianyi , YANG, Ni , WU, Qiyang
IPC分类号： G09G3/20
摘要： Provided are a display substrate and a display device. The display substrate includes a base substrate, and a driving circuit layer and a light-emitting device layer on the base substrate. The display substrate includes a light-transmitting display area and a normal display area, the normal display area surrounds at least a portion of the light-transmitting display area. The normal display area includes multiple normal driving circuits and multiple dummy driving circuits; some dummy driving circuit are used for driving light-emitting devices located in the light-transmitting display area. The display substrate further includes multiple normal data lines coupled to the normal driving circuits; at least one normal data line is coupled to a data signal input terminal through a data lead; an orthographic projection of the data lead onto the base substrate at least partially overlaps an orthographic projection of the dummy driving circuit onto the base substrate.
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公开(公告)号：EP4459604A1
公开(公告)日：2024-11-06
申请号：EP22948547.9
申请日：2022-06-30
发明人： ZHANG, Tiaomei , CHENG, Tianyi , YANG, Zhongliu , JIANG, Zhiliang , HU, Ming , QIU, Haijun
IPC分类号： G09G3/3225 , H01L27/12
摘要： A display panel and a display apparatus. The display panel comprises a pixel driving circuit. The pixel driving circuit comprises a first-type transistor and a second-type transistor. The display panel further comprises: a base substrate (90), a first active layer, a second active layer, and a first conductive layer. The first active layer is located on one side of the base substrate (90), at least a part of the structure of the first active layer being used for forming a channel region of the first-type transistor. The second active layer is located on the side of the first active layer facing away from the base substrate (90), at least a part of the structure of the second active layer being used for forming a channel region of the second-type transistor. The first conductive layer is located between the first active layer and the second active layer, a part of the structure of the first conductive layer being used for forming a gate of the first-type transistor, and a part of the structure of the first conductive layer being used for forming a bottom gate of the second-type transistor.
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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：EP4420112A1
公开(公告)日：2024-08-28
申请号：EP22947243.6
申请日：2022-06-22
发明人： ZHANG, Tiaomei , QING, Haigang , SONG, Gukhwan , YU, Ziyang , XIAO, Yunsheng , GU, Quanyong , WANG, Mengqi , LI, Zhengkun , LI, De , YI, Hong , CHEN, Wenbo , YANG, Zhongliu , WANG, Shilong , ZHAO, Pan
IPC分类号： G09G3/3233 , H10K59/00
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公开(公告)号：EP4148719A1
公开(公告)日：2023-03-15
申请号：EP20900693.1
申请日：2020-05-06
发明人： LU, Hongting , FENG, Yuhsiung , MOU, Xin , CHEN, Chenyu , ZHAO, Shuang , YANG, Zhongliu , YANG, Jing , CHEN, Wenbo
IPC分类号： G09G3/3233 , G09G3/3258 , H01L29/41 , G09G3/20 , G09G3/3208
摘要： A display substrate and a drive method thereof and a display device. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a first reset sub- circuit. The first reset sub-circuit is configured to apply a first reset voltage to a light-emitting element in response to a first reset control voltage to reversely bias the light-emitting element. The display substrate can effectively prolong the service life of the light-emitting element.
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公开(公告)号：EP4053899A1
公开(公告)日：2022-09-07
申请号：EP19944645.1
申请日：2019-11-01
发明人： WANG, Wenkang , DIAO, Yongfu , YANG, Zhongliu , CHEN, Chenyu
摘要： The present disclosure provides a display substrate, including a display area and a peripheral area surrounding the display area, where N pixel unit groups are arranged in the display area, and each pixel unit group is provided with a corresponding gate line, a first reset signal line and a second reset signal line; a driving module is arranged in the peripheral area and includes at least two driving circuits, at least two operating signal line groups which are in one-to-one correspondence with the driving circuits are further arranged in the peripheral area, the driving circuits and the operating signal line groups are alternately arranged, and each driving circuit is adjacent to the operating signal line group corresponding thereto; the at least two driving circuits include a gate driving circuit and a reset driving circuit provided with N second signal output terminals capable of sequentially outputting reset scanning signals; the i th second signal output terminal is coupled to the second reset signal line configured for the i th pixel unit group and the first reset signal line configured for the (i+1) th pixel unit group.
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公开(公告)号：EP4050659A1
公开(公告)日：2022-08-31
申请号：EP19945409.1
申请日：2019-10-23
发明人： YANG, Zhongliu , SHUI, Yudan , DIAO, Yongfu , WANG, Wenkang , CHEN, Chenyu
摘要： A display substrate and a manufacturing method therefor, and a display device are provided. The display substrate includes a base substrate (1100), a plurality of sub-pixels (1110), a plurality of data lines (11011), a plurality of data lead lines (1400), at least one group of contact pads (1200), and a first insulation layer (1310). The base substrate (1100) includes a display region (1101) and a bonding region (1102) on at least one side of the display region (1101); the plurality of data lines (11011) are in the display region, and are configured to provide data signals to the plurality of sub-pixels (1110); the plurality of data lead lines (1400) are in the bonding region (1102) and are electrically connected to the plurality of data lines (11011), respectively; the at least one group of contact pads (1200) is in the bonding region, and the at least one group of contact pads (1200) includes a first group of contact pads (1200') and a second group of contact pads (1200); the first insulation layer (1310) is in the bonding region, and the first insulation layer (1310) is in gaps between the plurality of contact pads (1200) and covers edges of the plurality of contact pads (1200), and is configured to expose surfaces, away from the base substrate (1100), of the plurality of contact pads (1200).
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公开(公告)号：EP4036903A1
公开(公告)日：2022-08-03
申请号：EP20943643.5
申请日：2020-06-30
发明人： YANG, Jing , CHEN, Chenyu , ZHAO, Shuang , YANG, Zhongliu , CHEN, Wenbo , LU, Hongting
IPC分类号： G09G3/3225
摘要： The embodiments of the present disclosure provide an array substrate and a related display panel and a related display device. An array substrate includes a plurality of pairs of scan signal lines. A first scan signal line of the m-th pair of scan signal lines is configured to provide a first scan signal to a sub-pixel in a (2n-1)-th column from sub-pixels in the m-th. And a plurality of pairs of driving reset control signal lines. A second driving reset control signal line of the m-th pair of driving reset control signal lines is configured to provide a second driving reset control signal to the sub-pixel in the 2n-th column from the sub-pixels in the m-th row. The m and n are integers greater than or equal to 1. In the embodiments of the present disclosure, the first scan signal line of the m-th pair of scan signal lines and the second driving reset control signal line of the m-th pair of driving reset control signal lines are the same signal line.
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公开(公告)号：EP4002336A1
公开(公告)日：2022-05-25
申请号：EP20900718.6
申请日：2020-05-27
发明人： ZHAO, Shuang , CHEN, Chenyu , YANG, Zhongliu , CHEN, Wenbo , XU, Zhuo , YANG, Jing , LU, Hongting
IPC分类号： G09G3/20
摘要： An array substrate, a display panel, and a driving method of the array substrate are provided. The array substrate includes: a plurality of pairs of gate lines, each pair of gate lines including a first gate line and a second gate line; a plurality of data lines; and a pixel array, including a plurality of pixel units arranged into a plurality of rows and a plurality of columns. A scan signal terminal of a pixel unit of an nth column in an mth row of pixel units is connected to the first gate line in an mth pair of gate lines to receive a first scan signal; m and n are positive integers; a scan signal terminal of a pixel unit of an (n+1)th column in the mth row of pixel units is connected to the second gate line in the mth pair of gate lines to receive a second scan signal; a reset signal terminal of the pixel unit of the (n+1)th column in the mth row of pixel units is connected to the first gate line in the mth pair of gate lines to receive the first scan signal serving as a first reset signal; data signal terminals of the pixel units of each column are connected to a corresponding data line to receive a data signal.
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