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公开(公告)号：US20230419903A1
公开(公告)日：2023-12-28
申请号：US18244368
申请日：2023-09-11
发明人： Li WANG , Qian YANG , Tian DONG , Renrong GAI , Jingquan WANG , Bo WANG
IPC分类号： G09G3/3233 , H10K59/131
CPC分类号： G09G3/3233 , H10K59/131 , G09G2300/0842 , G09G2310/061 , G09G2310/08 , G09G2320/0214 , G09G2320/0247
摘要： A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor configured to reset the gate electrode of the driving transistor, and the second reset transistor configured to reset the first electrode of the light-emitting element; a first initialization signal line connected with the gate electrode of the driving transistor through the first reset transistor; and a first power line. The first reset transistor is a dual-gate transistor and includes a first channel and a second channel which are connected by a first conductive connection portion; an orthographic projection of the first conductive connection portion on the base substrate is completely within an orthographic projection of the first power line on the base substrate.
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公开(公告)号：US20220328604A1
公开(公告)日：2022-10-13
申请号：US17631372
申请日：2021-02-20
发明人： Qian YANG , Jianchao ZHU , Bo WANG , Jingquan WANG
IPC分类号： H01L27/32
摘要： A stretchable display panel has a plurality of island regions and a plurality of bridge regions. The island regions are arranged in an array. Every two adjacent island regions are connected with a bridge region in the bridge regions therebetween. The display panel includes a plurality of sub-pixels and a plurality of signal line groups. At least one sub-pixel is provided in each island region. The signal line groups are located in a same conductive layer. Each signal line group extends along bridge regions to island regions that are connected to the bridge regions. The signal line group includes a plurality of signal lines arranged in parallel and at intervals. Each signal line is electrically connected to sub-pixels in the island regions.
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公开(公告)号：US20220310017A1
公开(公告)日：2022-09-29
申请号：US17638892
申请日：2021-04-20
发明人： Qian YANG
IPC分类号： G09G3/3258 , G09G3/3291
摘要： A pixel driving circuit comprises a data writing circuit, a driving circuit, a light emitting control circuit, a compensation circuit and a storage circuit, the data writing circuit is coupled to the driving circuit, for writing a data signal into the driving circuit; the driving circuit is coupled to a first power source end and a light-emitting sub-circuit through the light emitting control circuit, for inputting, under control of the light emitting control circuit, driving current into the light-emitting sub-circuit according to the data signal; the compensation circuit is coupled to the driving circuit; the storage circuit is coupled between the first power source end and the driving circuit; and the data writing circuit and the compensation circuit includes at least two transistors, wherein in the data write circuit and the compensation circuit, at least one transistor is a low-temperature polysilicon transistor, and at least one transistor is an oxide transistor.
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公开(公告)号：US20220328572A1
公开(公告)日：2022-10-13
申请号：US17847548
申请日：2022-06-23
发明人： Libin LIU , Qian YANG , Hongli WANG , Lujiang HUANGFU
摘要： A display substrate and a display device. The display substrate includes a first sub-pixel (111), a second sub-pixel (112), and a first spacer (0101). A line connecting the center (C1) of the first sub-pixel (111) and the center (C2) of the second sub-pixel (112) is a center line (CL1); the center line (CL1) is not perpendicular to a first direction (X); the first direction (X) is at least one of the row direction or the column direction. The first spacer (0101) is disposed between the first sub-pixel (111) and the second sub-pixel (112), and the extension direction (E01) of first spacer (0101) between the first sub-pixel (111) and the second sub-pixel (112) is not perpendicular to the first direction (X). Therefore, the display substrate can improve the different viewing angle color cast and improve the display quality.
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公开(公告)号：US20220028338A1
公开(公告)日：2022-01-27
申请号：US17293536
申请日：2020-08-10
IPC分类号： G09G3/3241 , G09G3/3291 , G09G3/20
摘要： A pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes a reset circuit, a data writing circuit, a compensation circuit, and a driving circuit. The reset circuit is configured to apply a reset voltage to the first terminal of the light-emitting element to reset the first terminal of the light-emitting element; the data writing circuit is configured to write a data signal to the first terminal of the driving circuit; the compensation circuit is configured to write the reset voltage into the control terminal of the driving circuit when the reset circuit applies the reset voltage, and to write a compensation signal based on the data signal into the control terminal of the driving circuit when the data writing circuit writes the data signal; and the driving circuit is configured to control a driving current for driving the light-emitting element to emit light.
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公开(公告)号：US20210367136A1
公开(公告)日：2021-11-25
申请号：US16609296
申请日：2019-05-17
IPC分类号： H01L41/113 , H01L41/047
摘要： The embodiments of the present disclosure disclose an ultrasonic sensor, a manufacturing method thereof, and a display device. The ultrasonic sensor includes a substrate and at least one sensor component located on the substrate. The sensor component includes a first electrode, a second electrode, and a piezoelectric layer located between the first electrode and the second electrode. The substrate is provided with a groove on a side close to the sensor component, and the orthographic projection of the piezoelectric layer on the substrate has a portion overlapping with a region of the groove in the substrate.
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公开(公告)号：US20210366395A1
公开(公告)日：2021-11-25
申请号：US16500747
申请日：2019-05-13
发明人： Qian YANG , Libin LIU , Qiang WANG
IPC分类号： G09G3/3258 , G06K9/00 , G09G3/3266 , G09G3/3275
摘要： A pixel circuit, a display panel, and a driving method. The pixel circuit includes a data writing circuit, an ultrasonic acquiring and converting circuit, a storage circuit, a driving circuit, an output control circuit, and a light emitting device. The ultrasonic acquiring and converting circuit converts a received ultrasonic signal into a converted electrical signal, and provides the converted electrical signal to the data writing circuit; the data writing circuit provides the converted electrical signal or a data signal to a first node; the driving circuit provides a recognition signal obtained according to the converted electrical signal or a driving signal to the fourth node; the storage circuit maintains a voltage difference between the first node and the second node stable; the output control circuit provides a level of the fourth node to a third node; the third node outputs the recognition signal.
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公开(公告)号：US20210343752A1
公开(公告)日：2021-11-04
申请号：US16619227
申请日：2019-03-29
IPC分类号： H01L27/12 , H01L29/786 , H01L29/66
摘要： An array substrate, a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate; a first thin film transistor located on the base substrate and including a first active layer; and a second thin film transistor located on the base substrate and including a second active layer; a matrix material of the first active layer is the same as that of the second active layer, and the first active layer and the second active layer satisfy at least one of the following conditions: a carrier mobility of the first active layer is greater than that of the second active layer, and a carrier concentration of the first active layer is greater than that of the second active layer. The array substrate is employed to compensate a difference in threshold voltage caused by a difference in channel width-to-length ratio of different thin film transistors.
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公开(公告)号：US20210208446A1
公开(公告)日：2021-07-08
申请号：US16768632
申请日：2019-12-26
发明人： Qian YANG , Pinfan WANG , Libin LIU , Chunyan XIE
IPC分类号： G02F1/1333 , G02F1/1339 , H01L51/00 , H01L51/52
摘要： The present disclosure relates to a flexible display substrate and a flexible display device. The flexible display substrate includes a flexible base substrate and a pixel layer. The flexible base substrate includes: a plurality of opening regions, as well as a plurality of island regions and a plurality of bridge regions divided by the plurality of opening regions; and a pixel layer including a plurality of display units arranged in the plurality of island regions respectively, in which each of the plurality of display units is provided with a first groove, the first groove divides the corresponding display units into a display section and a dam section, and at least a part of the dam section is located between the display section and the bridge region adjacent to the display section.
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公开(公告)号：US20240341150A1
公开(公告)日：2024-10-10
申请号：US18747622
申请日：2024-06-19
发明人： Lujiang HUANGFU , Xiaodan JIN , Yinan LIANG , Zhenzhen LI , Wenjing TAN , Libin LIU , Qian YANG , Hongli WANG
IPC分类号： H10K59/35 , G02F1/1343 , G09G3/20 , H10K59/122
CPC分类号： H10K59/353 , G02F1/134345 , G09G3/2003 , G02F2201/52 , G09G2300/0452 , H10K59/122
摘要： A display substrate including a first display area including a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels, wherein the display substrate includes a plurality of first pixel groups each of which includes two third sub-pixels, one first sub-pixel and one second sub-pixel, the two third sub-pixels are arranged adjacent to each other along a first direction, the one first sub-pixel and the one second sub-pixel are adjacent to at least one of the two third sub-pixels, located on both sides of a straight line passing centers of the two third sub-pixels, and arranged along a second direction different from the first direction; a size of the first sub-pixel and the second sub-pixel in the second direction is smaller than a size of the first sub-pixel and the second sub-pixel in the first direction, respectively.
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