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公开(公告)号：US11538273B2
公开(公告)日：2022-12-27
申请号：US16626779
申请日：2018-12-03
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu , Kuanta Huang , Zengqiang Zheng
IPC: G06V40/13 , G02B5/18 , G02F1/1335 , G06F21/32 , G06F21/84 , H01L27/146
Abstract: An integrated photo-sensing detection display substrate. The integrated photo-sensing detection display substrate includes a base substrate; a plurality of light emitting elements on the base substrate and configured to emit light, a portion of the light being totally reflected by a surface thereby forming totally reflected light; an addressable diffraction grating layer on a side of the base substrate away from the plurality of light emitting elements, and including a plurality of individually addressable diffraction regions, light diffraction respectively in the plurality of individually addressable diffraction regions being independently controllable; and a photosensor on a side of the addressable diffraction grating layer away from the base substrate and configured to detect light transmitted from one or more of the plurality of individually addressable diffraction regions, thereby detecting fingerprint information.
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公开(公告)号：US11480823B2
公开(公告)日：2022-10-25
申请号：US16975445
申请日：2019-12-13
Inventor： Junsheng Chen , Hui Wang , Xianjie Shao
IPC: G02F1/1333 , G02F1/1362 , G06F3/041 , G06F3/044 , H01L27/12 , G02F1/1343
Abstract: An array substrate has a plurality of sub-pixel regions, and each sub-pixel region includes an opening region and a pixel defining region surrounding the opening region. The array substrate includes a base and a plurality of touch signal lines disposed on the base. An orthographic projection of at least one touch signal line on the base passes through, along an extending direction thereof, at least one opening region.
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公开(公告)号：US11386845B2
公开(公告)日：2022-07-12
申请号：US17170196
申请日：2021-02-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Yanming Wang , Pengcheng Lu , Wei Liu , Huijuan Wang , Minghua Xuan
IPC: G09G3/3258 , G09G3/3233
Abstract: A pixel unit circuit includes a light emitting element, a first end thereof being coupled to a low level input end; a storage capacitor module, a first end thereof being coupled to a direct current voltage input end; a driving transistor, a gate electrode thereof being coupled to a second end of the storage capacitor module, and a first electrode thereof being coupled to a second end of the light emitting element; a first control module, coupled to a gate line, a data line and the gate electrode of the driving transistor, configured to control whether the gate electrode of the driving transistor is connected to the data line under the control of the gate line; and a potential control transistor, a gate electrode and a first electrode thereof being coupled to the first electrode of the driving transistor, the second electrode thereof being grounded.
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公开(公告)号：US11373614B2
公开(公告)日：2022-06-28
申请号：US16932063
申请日：2020-07-17
Inventor： Mindong Zheng , Hui Wang , Yifeng Zou , Ruiying Yang
Abstract: A shift register unit and a driving method thereof, a gate drive circuit, and a display device are provided. The shift register unit includes: an input circuit configured to control a potential of a first node; a first output circuit configured to output a carry signal to a first output terminal of the shift register unit through an output terminal of the first output circuit, under control of the potential and a clock signal; a second output circuit configured to output a driving signal to a second output terminal of the shift register unit, under control of the potential and the clock signal; a switching circuit configured to control the output terminal to be electrically connected to the first output terminal in response to a control signal; and a potential control circuit configured to control the output terminal to be electrically connected to a first voltage terminal.
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公开(公告)号：US11372142B2
公开(公告)日：2022-06-28
申请号：US16077983
申请日：2018-01-08
Inventor： Hui Wang , Junsheng Chen
Abstract: A display substrate, a display panel, a display device and a manufacturing method thereof are provided. The display substrate includes a display area and a non-display area. The display substrate further includes a base substrate; and a color resist layer and a light reflecting layer sequentially arranged on the non-display area of a first surface of the base substrate, wherein the first surface and a second surface of the base substrate are two surfaces opposite to each other and the second surface is located at a light exiting side of the display substrate.
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Patent Agency Ranking
106.发明授权公开(公告)号：US11361704B2
公开(公告)日：2022-06-14
申请号：US16482538
申请日：2018-10-25
Inventor： Yifeng Zou , Hui Wang , Xiong Xiong
IPC: G09G3/32
Abstract: A shift register unit, a gate drive circuit, a display device and a method of driving a gate drive circuit are provided. The shift register unit includes a shift register circuit and an output control circuit. The shift register circuit is configured to output a valid output level at a first output terminal according to a first input signal received by a first input terminal, and is configured to reset according to a first reset signal received by a first reset terminal. The output control circuit is configured to output an invalid output level at the second output terminal according to a second input signal received by the second input terminal, thereby controlling a level of the first output terminal to the invalid output level, and is configured to reset according to a second reset signal received by the second reset terminal.
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公开(公告)号：US11328677B2
公开(公告)日：2022-05-10
申请号：US16768124
申请日：2019-05-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu , Fang Yu , Wei Liu
IPC: G09G3/32 , G09G3/3291 , G09G3/3233
Abstract: A method and a device for driving a pixel circuit, and a storage medium are provided. When a current data voltage of a pixel circuit is within a first voltage range and a target data voltage of the pixel circuit is within a second voltage range, the driving method comprises: refreshing a data voltage stored in the pixel circuit with a boundary value between the first voltage range and the second voltage range using a gate signal reference voltage corresponding to the first voltage range; and refreshing the data voltage stored in the pixel circuit with the target data voltage using a gate signal reference voltage corresponding to the second voltage range.
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公开(公告)号：US11250779B2
公开(公告)日：2022-02-15
申请号：US16489750
申请日：2018-12-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu
IPC: G09G3/3258
Abstract: A pixel circuit includes a light-emitting element, a data write-in sub-circuit, a driving sub-circuit, a storage sub-circuit, a light-emission control sub-circuit, and a step-down sub-circuit. The step-down sub-circuit is configured to, at a charging compensation stage, step down a data voltage to acquire a first step-down voltage, and output the first step-down voltage via a control node. The storage sub-circuit is configured to, at the charging compensation stage, charge or discharge the control node to enable a potential at the control node to be the first step-down voltage, and at a light-emitting stage, maintain the potential at the control node as the first step-down voltage. The driving sub-circuit is configured to, at the light-emitting stage, enable a first end of the driving sub-circuit to be electrically connected to a first electrode of the light-emitting element under the control of the control node, to drive the light-emitting element to emit light.
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公开(公告)号：US11157712B2
公开(公告)日：2021-10-26
申请号：US17255922
申请日：2020-05-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu , Shengnan Li , Kuanta Huang
Abstract: Fingerprint recognition driving circuit and method, fingerprint recognition module and touch screen are provided. The circuit includes: a first charge storing sub-circuit, a data acquiring sub-circuit configured to write output voltage of an ultrasonic sensor into a first end of the first charge storing sub-circuit, a driving sub-circuit including a driving transistor, a second charge storing sub-circuit, a circuit compensating sub-circuit configured to charge the second charge storing sub-circuit through the first charge storing sub-circuit and the driving transistor ill potential at a first end of the second charge storing sub-circuit equals the sum of output voltage of the ultrasonic sensor and threshold voltage of the driving transistor, and an output controlling sub-circuit configured to transmit a current signal output by the driving transistor to a signal reading circuit.
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110.发明授权公开(公告)号：US11035948B2
公开(公告)日：2021-06-15
申请号：US16159123
申请日：2018-10-12
Abstract: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.
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