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公开(公告)号：US11776296B2
公开(公告)日：2023-10-03
申请号：US17506522
申请日：2021-10-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bo Wang , Fuqiang Li
CPC classification number: G06V40/1306 , H01L25/18 , H10K59/65
Abstract: Disclosed is an ultrasonic fingerprint recognition circuit. In the ultrasonic fingerprint recognition circuit, an ultrasonic sensor generates an AC echo signal based on an echo signal upon the fingerprint detection, and a signal converting unit converts the AC echo signal to a DC signal and transmit the DC signal to the signal output unit to generate a fingerprint recognition signal by a signal output unit.
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公开(公告)号：US11735605B2
公开(公告)日：2023-08-22
申请号：US17042847
申请日：2019-11-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bo Wang , Hao Zhang , Fuqiang Li
CPC classification number: H01L27/127 , H01L27/1251 , H01L27/1255
Abstract: A display substrate has a main display area and at least one auxiliary display area located beside the main display area. The display substrate includes a plurality of first sub-pixels located in the main display area, and a plurality of second sub-pixels located in each of the at least one auxiliary display area. A distribution density of the plurality of first sub-pixels in the main display area is greater than a distribution density of the plurality of second sub-pixels in each auxiliary display area. Each of the plurality of second sub-pixels includes a pixel driving circuit, and the pixel driving circuit includes at least one vertical thin film transistor. A space exists between every two adjacent pixel driving circuits, and a plurality of spaces constitute a light-transmitting region of the corresponding auxiliary display area.
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33.发明授权公开(公告)号：US11468706B2
公开(公告)日：2022-10-11
申请号：US17236926
申请日：2021-04-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wenxiu Zhu , Bo Wang
Abstract: A display device includes a cover plate, an OLED display substrate and a photosensitive sensor. A color filter layer is arranged between the cover plate and the OLED display substrate and includes a light-shielding region arranged between adjacent color resistance layers. A plurality of imaging pinholes is formed in the light-shielding region and a first distance between the cover plate and each imaging pinhole is smaller than a second distance between the photosensitive sensor and the imaging pinhole. A fingerprint identification method for the display device includes: dividing the plurality of imaging pinholes into at least two groups of imaging pinholes; imaging the fingerprint via the at least two groups of imaging pinholes sequentially in accordance with a predetermined time sequence, to acquire at least two first fingerprint images; and combining the at least two first fingerprint images to acquire a complete fingerprint image.
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公开(公告)号：US11378856B2
公开(公告)日：2022-07-05
申请号：US17354456
申请日：2021-06-22
Inventor： Chen Lin , Jinliang Wang , Yisong Ruan , Bo Wang , Shujuan Li , Zhangxiang Huang , Liangzhen Lin , Xi Chen , Yuchun Feng , Qian Zhang , Bin Yue
IPC: G02F1/1362
Abstract: A display substrate includes: a base substrate, as well as a first metal layer, a first insulating layer, a second metal layer, a second insulating layer, and a common electrode metal layer laminated on one side of the base substrate. The common electrode metal layer includes metal line segments and connecting line segments. The metal line segments include first metal line segments and second metal line segments. The connecting line segments connect the adjacent first and second metal line segments. Each connecting line segment is provided with a maintenance line segment. Orthographic projections of the maintenance line segments on the base substrate do not overlap those of gate lines and data lines on the base substrate. The spacing between the orthographic projections of the maintenance line segments and those of the gate lines and data lines is greater than or equal to a preset distance, which is greater than zero.
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公开(公告)号：US20220199737A1
公开(公告)日：2022-06-23
申请号：US17279689
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li Wang , Bo Wang , Jingquan Wang
IPC: H01L27/32 , G09G3/3225
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels, each sub-pixel including a light-emitting element and a pixel driving circuit; a plurality of gate lines and light-emitting control lines; a gate driving circuit located at the display area and including cascaded multistage gate driving units, one or more stages include gate driving sub-circuits including a first and a second gate driving sub-circuit spaced apart by pixel driving circuits of a first group of sub-pixels; and a light-emitting control driving circuit located at the display area and including cascaded multistage light-emitting control driving units, one or more stages include light-emitting control driving sub-circuits including a first and a second light-emitting control driving sub-circuit spaced apart by pixel driving circuits of a second group of sub-pixels.
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Patent Agency Ranking
公开(公告)号：US20220199736A1
公开(公告)日：2022-06-23
申请号：US17279636
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li Wang , Bo Wang , Jingquan Wang
IPC: H01L27/32 , H01L51/56 , H01L51/52 , G09G3/3266
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area including a first peripheral area, and an edge of the first peripheral area is of a first curvature greater than zero; a plurality of sub-pixels, data lines and gate lines; a gate driving circuit located at the display area and including multistage gate driving units, one or more stages include a first and a second gate driving sub circuit; a plurality of control signal lines, at least a part of at least one control signal line is of a second curvature greater than zero; a plurality of data signal input lines; and a multiplexing circuit including a plurality of multiplexing units, each of which is connected to the control signal lines, one data signal input line, and at least two data lines.
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公开(公告)号：US11334202B2
公开(公告)日：2022-05-17
申请号：US17043436
申请日：2020-03-02
Inventor： Bo Wang , Fuqiang Li
Abstract: The disclosure provides a touch panel, a control method and a control device thereof, and a display device. The touch panel comprises at least one first touch area and at least one second touch area, wherein a density of touch electrodes in the first touch area is greater than a density of touch electrodes in the second touch area.
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公开(公告)号：US11132080B2
公开(公告)日：2021-09-28
申请号：US16882098
申请日：2020-05-22
Inventor： Yang Rao , Cheng Zuo , Dayu Zhang , Kangpeng Dang , Hong Chen , Peng Qin , Zhong Jin , Bo Wang , Zhongli Luo , Xiong Guo , Shifei Huang , Teng Liu , Yuansheng Tang
IPC: G06F3/041
Abstract: A touch circuit includes a first pull-up sub-circuit, a first switching sub-circuit, a second pull-up sub-circuit, a second switching sub-circuit and a touch IC. The touch IC includes a data signal port and a clock signal port. The first pull-up sub-circuit is electrically connected to a first signal input terminal and the data signal port. The first switching sub-circuit is electrically connected to the data signal port, the first signal input terminal and a data signal input terminal. The second pull-up sub-circuit is electrically connected to the first signal input terminal and the clock signal port. The second switching sub-circuit is electrically connected to the clock signal port, the first signal input terminal and a clock signal input terminal.
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公开(公告)号：US20210097949A1
公开(公告)日：2021-04-01
申请号：US16838774
申请日：2020-04-02
Inventor： Peng Qin , Cheng Zuo , Kangpeng Dang , Zhong Jin , Bo Wang , Yang Rao , Xiong Guo , Zhongli Luo , Yuansheng Tang , Teng Liu , Shifei Huang , Lihua Jiang , Xinxi He , Hong Chen
IPC: G09G3/36
Abstract: A method and a device for driving a display panel, and a liquid crystal display device are provided. The method includes: controlling polarities of output voltages of data driving circuits corresponding to at least two adjacent pixels in a row of a pixel array of the display panel to be same. The adjacent pixels comprise a pixel in a bright state and a pixel in a dark state, and an absolute value of the output voltage of the data driving circuit corresponding to the pixel in the bright state is greater than an absolute value of the output voltage of the data driving circuit corresponding to the pixel in the dark state.
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公开(公告)号：US10210840B2
公开(公告)日：2019-02-19
申请号：US15209250
申请日：2016-07-13
Inventor： Bo Wang
Abstract: The present disclosure provides a shift register unit, its driving method, a gate driver circuit and a display device. The shift register unit includes a control module, a first output module and a second output module. The first output module is connected to a first signal end, a first node and an output end. The second output module is connected to the output end, a second node and a first clock signal end. The control module is connected to the first node, the second node, the first signal end, a second signal end, a second clock signal end, a third clock signal end, an input signal end and a resetting signal end, and configured to control potentials at the first node and the second node.
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