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1.发明申请公开(公告)号：US20210097908A1
公开(公告)日：2021-04-01
申请号：US16942218
申请日：2020-07-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengnan LI , Wei QIN , Tieshi WANG , Weixing LIU , Dongni LIU
Abstract: The present disclosure provides a light emitting control circuit, an array substrate and a display device, and a driving method of the light emitting control circuit. The light emitting control circuit includes: a light emitting device; a driving circuit including a driving switch device configured to drive the light emitting device to emit light when the driving switch device is turned on; a detection circuit, configured to detect whether the light emitting device is short-circuited in the detection stage of the light emitting control circuit; if the light emitting device is short-circuited, the driving switch device is turned off in the light emitting stage of the light emitting control circuit; if the light emitting device is not short-circuited, the driving switch device is turned on in the light emitting stage of the light emitting control circuit.
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公开(公告)号：US20200090591A1
公开(公告)日：2020-03-19
申请号：US16616234
申请日：2019-04-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tieshi WANG , Kuanjun PENG , Wei QIN , Chengchung YANG , Xueling GAO , Xiaolong LI , Zhiqiang XU , Yan WEI , Shengnan LI
IPC: G09G3/3258
Abstract: A pixel driving circuit, a driving method and a display device are provided. The pixel driving circuit includes a driving unit, a capacitor unit, a data write-in unit connected to a corresponding gate line, a corresponding data line and the driving unit, a power source control unit connected to a first light-emitting control end, a power source signal input end and the driving unit, and a first light-emitting control unit connected to a second light-emitting control end, the power source signal input end and the driving unit and configured to, within a predetermined time period of a light-emitting stage, control the power source signal input end to be electrically connected to the driving unit under the control of the second light-emitting control end, stop the operation of the driving unit, and enable the light-emitting unit not to emit light.
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公开(公告)号：US20210142764A1
公开(公告)日：2021-05-13
申请号：US16623609
申请日：2019-05-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xueling GAO , Kuanjun PENG , Chengchung YANG , Zhiqiang XU , Wei QIN , Tieshi WANG , Xiaolong LI , Shengnan LI , Wanpeng TENG
IPC: G09G5/10 , G09G3/3275
Abstract: The present disclosure relates to a light-emission control signal generating device and a display device. The light-emission control signal generating device includes: a state detection circuit configured to detect whether a current frame is a static frame or a dynamic frame and output an indication signal indicating the static frame or the dynamic frame; and a plurality of light emission control signal generation circuits; wherein the plurality of light emission control signal generation circuits are divided into a plurality of blocks, and individual blocks are input with different light emission enable signals based on the indication signal to generate light emission control signals.
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公开(公告)号：US20200033618A1
公开(公告)日：2020-01-30
申请号：US16442975
申请日：2019-06-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaolong LI , Wei QIN , Kuanjun PENG , Xueling GAO , Fangzhen ZHANG , Jintao PENG , Jinqian WANG , Miaomiao YANG , Shuang SUN , Chunfang ZHANG , Shengnan LI
Abstract: A semi-transparent semi-retroreflective film and an air display device are provided. The air display device includes: a first polarizer and a second polarizer assembled with each other to form a cell; a semi-transparent semi-reflective structure and a semi-transparent semi-retroreflective film disposed between the first polarizer and the second polarizer; a first ¼ wave plate disposed at a side of the air display device adjacent to the first polarizer; and a second ¼ wave plate disposed between the semi-transparent semi-reflective structure and the semi-transparent semi-retroreflective film. The air display device is configured such that polarized light incident from the first polarizer, after being processed by an internal optical path of the air display device, exits from the second polarizer to form an air image at a side of the air display device away from the first polarizer.
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公开(公告)号：US20210272520A1
公开(公告)日：2021-09-02
申请号：US17252343
申请日：2020-04-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji YANG , Xiaochuan CHEN , Hui WANG , Shengnan LI
IPC: G09G3/3258 , G09G3/3291
Abstract: There is a pixel circuit including: a light emitting module a light emitting driving module which drives the light emitting module to emit light; a fingerprint identification module which performs fingerprint identification. The light emitting driving module includes a first data input terminal, a first data input control terminal and a light emitting control terminal; the fingerprint identification module includes an identification signal output terminal, an identification signal output control terminal and an identification driving control terminal, the identification signal output control terminal is electrically coupled to the light emitting control terminal, the identification driving control terminal is electrically coupled to the first data input control terminal, the identification signal output terminal outputs an identification signal under control of signals received by the identification driving control terminal and the identification signal output control terminal. A driving method of the pixel circuit and a display panel are further provided.
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Patent Agency Ranking
公开(公告)号：US20210166607A1
公开(公告)日：2021-06-03
申请号：US16944973
申请日：2020-07-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengnan LI , Wei Qin , Tieshi Wang , Xiaolong Li , Weixing Liu , Kuanjun Peng
IPC: G09G3/20 , G09G3/3266
Abstract: Disclosed are a method for driving a silicon-based driving back plate and a display apparatus. The method includes: acquiring a watch position of a user on the silicon-based driving back plate within one frame time; determining a watch region of the user on the silicon-based driving back plate according to the watch position; and controlling a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in the watch region to be greater than a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in a non-watch region.
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公开(公告)号：US20210074214A1
公开(公告)日：2021-03-11
申请号：US16767053
申请日：2019-12-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengnan LI , Xueling GAO
IPC: G09G3/3258 , G09G3/3291
Abstract: A pixel driving circuit, a pixel driving method and a display device are provided. The pixel driving circuit includes a driving circuit, an initialization circuit and a compensation control circuit. The compensation control circuit is configured to control a control end of the driving circuit to be electrically connected to a second end of the driving circuit under the control of a compensation control line. The initialization circuit is configured to write an initial voltage into the second end of the driving circuit under the control of an initialization control line.
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公开(公告)号：US20210020709A1
公开(公告)日：2021-01-21
申请号：US16629558
申请日：2018-12-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji YANG , Xue DONG , Xiaochuan CHEN , Hui WANG , Pengcheng LU , Shengnan LI
Abstract: The present disclosure provides a display panel and a method for manufacturing the same, and a display device. The display panel includes: a substrate; a pixel unit array disposed on one side of the substrate, wherein the pixel unit array comprises a plurality of pixel units, at least one of the plurality of pixel units comprising an anode layer, a cathode layer, and a light emitting layer located between the anode layer and the cathode layer, the cathode layer defining an opening configured to transmit a light emitted from the light emitting layer; and at least one sensor disposed on one side of the pixel unit array away from the substrate and configured to detect a light transmitted through the opening.
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公开(公告)号：US20210233968A1
公开(公告)日：2021-07-29
申请号：US16650601
申请日：2019-10-14
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengji Yang , Xue DONG , Xiaochuan CHEN , Hui WANG , Shengnan LI , Zengqiang ZHENG
IPC: H01L27/32 , G09G3/3258
Abstract: An array substrate, a driving method, an organic light emitting display panel and a display device. The array substrate includes a plurality of light emitting devices and pixel circuits connected with the light emitting devices, both located in a display area as well as a plurality of voltage control circuits located in a non-display area, wherein at least two of the pixel circuits in one row share one of the voltage control circuits.
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公开(公告)号：US20200233124A1
公开(公告)日：2020-07-23
申请号：US16527751
申请日：2019-07-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Kai GUO , Xiaolong LI , Xueling GAO , Kuanjun PENG , Shengnan LI , Weixing LIU
Abstract: The present disclosure provides a structured light generator. The structured light generator includes a transparent substrate, a plurality of transflective structure layers disposed on one side of the transparent substrate and mutually laminated and parallel, wherein distances between any two adjacent transflective structure layers are equal and 0.1λ to 10λ, λ being a wavelength of incident light, and a transparent filling layer disposed between any two adjacent transflective structure layers.
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