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31.
公开(公告)号:US11302233B2
公开(公告)日:2022-04-12
申请号:US17255070
申请日:2020-05-26
IPC: G09G3/20
Abstract: The disclosure provides a timing control method and a timing control circuit for a display panel, a driving device, and a display device. The method includes: in respective display periods, supplying a data enable signal to a source driving circuit. The source driving circuit supplies a data signal to a plurality of sub-display regions under the control of the data enable signal. The data enable signal is switched between an active level and an inactive level, and the active levels of the data enable signal are in one-to-one correspondence with the plurality of sub-display regions of the display panel. The farther one of the plurality of sub-display regions from the source driving circuit, the longer time period, at an active level, of the data enable signal for controlling the source driving circuit to provide the data signal to at least one row of pixels in the sub-display region is.
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32.
公开(公告)号:US11289669B2
公开(公告)日:2022-03-29
申请号:US16643354
申请日:2019-08-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu , Kuanta Huang
Abstract: The present disclosure provides a light-emitting device, a pixel unit, a method for manufacturing the pixel unit, and a display device. The light-emitting device comprises a first electrode, an organic light-emitting layer and a second electrode which are sequentially disposed on a substrate; the first electrode comprises a reflecting layer, a transparent insulating layer and a transparent contact layer which are sequentially disposed on the substrate; and the second electrode is a semi-transparent electrode, so that a cavity is formed between the second electrode and the reflecting layer.
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公开(公告)号:US11289548B2
公开(公告)日:2022-03-29
申请号:US16632184
申请日:2018-11-20
Applicant: BOE Technology Group Co., Ltd.
Inventor: Ling Wang , Xue Dong , Yicheng Lin , Cuili Gai , Pan Xu
Abstract: A display substrate includes a base substrate; and a plurality of light emitting brightness value detectors on the base substrate. Each of the plurality of light emitting brightness value detectors includes a first thin film transistor; a protection layer on a side of the first thin film transistor away from the base substrate; and a photosensor electrically connected to the first thin film transistor and configured to detect alight emitting brightness value. An orthographic projection of the protection layer on the base substrate covers an orthographic projection of at least a channel part of the first thin film transistor on the base substrate.
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34.
公开(公告)号:US11227544B2
公开(公告)日:2022-01-18
申请号:US16487376
申请日:2019-01-14
Applicant: BOE Technology Group Co., Ltd.
Inventor: Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu
IPC: G09G3/3233
Abstract: The disclosure discloses a pixel circuit, an electroluminescent display panel, driving methods thereof, and a display device. An initialization circuit, a photosensitive drive circuit, a photosensitive output circuit, and a photosensitive device are provided in the pixel circuit. Under the control of a second control signal terminal, an initialization signal provided by an initialization signal terminal is transmitted to a third node by the initialization circuit; under the control of a potential of the third node, the photosensitive drive circuit outputs a corresponding electrical signal; and under the control of a first gate signal terminal, the photosensitive output circuit transmits the electrical signal output by the photosensitive drive circuit to a reading signal terminal.
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公开(公告)号:US20220005836A1
公开(公告)日:2022-01-06
申请号:US17478471
申请日:2021-09-17
Inventor: Haisheng Wang , Xue Dong , Hailin Xue , Xi Chen , Yingming Liu , Xiaoliang Ding , Weijie Zhao , Shengji Yang , Hongjuan Liu , Changfeng Li , Wei Liu
Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.
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36.
公开(公告)号:US11217637B2
公开(公告)日:2022-01-04
申请号:US16463887
申请日:2018-12-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Yanming Wang , Fang Yu , Wei Li
IPC: H01L29/207 , H01L27/32 , G06F3/041 , H01L51/56
Abstract: The present disclosure is related to a display substrate. The display substrate having a display area comprises a first electrode layer on a base substrate; a second electrode layer on a side of the first electrode layer far away from the base substrate; a light emitting layer between the first electrode layer and the second electrode layer; a pixel definition layer defining a plurality of sub-pixel regions with each of the plurality of sub-pixel regions containing the light emitting layer and the first electrode layer; and a signal line coupled to the second electrode layer. The signal line is substantially within the display area and at a different layer from the second electrode layer.
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37.
公开(公告)号:US11216117B2
公开(公告)日:2022-01-04
申请号:US16318281
申请日:2018-05-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Pengpeng Wang , Xue Dong , Haisheng Wang , Xiaoliang Ding , Yingming Liu , Chih Jen Cheng , Wei Liu , Xueyou Cao , Ping Zhang , Changfeng Li
Abstract: Embodiments of the present disclosure provide a fingerprint identification device, an array substrate, a display device and a fingerprint identification method. The fingerprint identification device includes: a first gate line, a second gate line, a read signal line and a voltage dividing unit, wherein, a plurality of fingerprint identification units are defined by the second gate line and the read signal line intersecting with each other, and the fingerprint identification unit includes a photosensitive member and a thin film transistor; the first gate line is connected with the voltage dividing unit, the voltage dividing unit includes a pressure sensitive member and an equivalent resistor connected in series, and the second gate line is connected between the pressure sensitive member and the equivalent resistor.
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公开(公告)号:US20210365166A1
公开(公告)日:2021-11-25
申请号:US16333631
申请日:2018-07-04
Applicant: BOE Technology Group Co., Ltd.
Inventor: Ping Zhang , Xue Dong , Jing Lv , Haisheng Wang , Xiaoliang Ding , Wei Liu , Xueyou Cao , Pengpeng Wang , Yanling Han , Chihjen Cheng , Pinchao Gu , Yunke Qin , Yuzhen Guo
Abstract: The disclosure provides a substrate and a sensing method thereof, a touch panel and a display device. The substrate comprises at least two sensing layers, wherein any two of the at least two sensing layers are a first sensing layer and a second sensing layer, respectively; and, the first sensing layer comprises an array of first sensing units, and the second sensing layer comprises an array of second sensing units, any one of the first sensing units within a sensing region is overlapped with more than one of the second sensing units, and any one of the second sensing units within the sensing region is overlapped with more than one of the first sensing units.
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公开(公告)号:US11169421B2
公开(公告)日:2021-11-09
申请号:US15780071
申请日:2017-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xiaochen Niu , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Chenyu Chen , Haiyan Wang
IPC: G02F1/1343 , G02F1/1335 , G02F1/13357 , G02F1/1337 , G09G3/36
Abstract: A liquid crystal display and a driving method thereof are provided. The liquid crystal display includes a backlight source, a lower substrate at a light exit side of the backlight source, an upper substrate opposite to the lower substrate, and a liquid crystal layer between the two substrates. The backlight source includes a plurality of light sources, and light emitted from each light source is collimated light. The liquid crystal display further includes at least one first electrode and at least one second electrode between the lower substrate and the liquid crystal layer and a light shielding structure, orthographic projections of the light source and the light shielding structure on the lower substrate overlapping. The first and second electrodes are configured to receive different voltages to form an electric field, so that liquid crystal molecules within the electric field are deflected to form convex lens structures.
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公开(公告)号:US20210327353A1
公开(公告)日:2021-10-21
申请号:US16346358
申请日:2018-10-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Wei Liu , Xue Dong , Haisheng Wang , Xiaoliang Ding , Yingming Liu , ChihJen Cheng , Xueyou Cao , Yanling Han , Changfeng Li , Pengpeng Wang , Ping Zhang , Rui Xu
IPC: G09G3/3258
Abstract: An electrical signal detection module includes a photoelectrical signal application circuitry, an operational amplifier, a gain control circuitry and a master control circuitry. The gain control circuitry includes at least two gain control sub-circuitries connected in parallel to each other, and a discharge switching sub-circuitry connected in parallel to the gain control sub-circuitries. Each gain control sub-circuitry includes a gain switching sub-circuitry and a gain capacitive sub-circuitry connected in series to each other. The master control circuitry is configured to apply a discharge switching signal to the discharge switching sub-circuitry, and apply a gain switching control signal to the corresponding gain switching sub-circuitry. The gain switching sub-circuitry is configured to control a first end and a second end of the gain switching sub-circuitry to be electrically connected to each other in accordance with the gain switching control signal. The discharge switching sub-circuitry is configured to enable a first end of the gain capacitive sub-circuitry connected to the gain switching sub-circuitry to be electrically connected to, or electrically disconnected from, a second end of the gain capacitive sub-circuitry in accordance with the discharge switching signal.
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