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公开(公告)号：US20190065812A1
公开(公告)日：2019-02-28
申请号：US15953431
申请日：2018-04-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Rui XU , Haisheng WANG , Yingming LIU , Pinchao GU , Changfeng LI , Xueyou CAO , Wei LIU
IPC: G06K9/00 , F21V8/00 , H01L27/146
Abstract: A photosensitive module includes a plurality of photosensitive cells. Each of the photosensitive cells includes a selective light director having a first surface including a light entry region and a light exit region different from the light entry region, the selective light director being configured to selectively direct a collimated portion of light incident towards the light entry region to the light exit region to exit from the selective light director; and a photoelectric converter arranged in the light exit region and having a light receiving surface facing the light exit region to receive the collimation portion of the light exiting from the selective light director.
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132.发明申请公开(公告)号：US20190064976A1
公开(公告)日：2019-02-28
申请号：US15957294
申请日：2018-04-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chihjen CHENG , Haisheng WANG , Xiaoliang DING , Yingming LIU , Yuzhen GUO , Pengpeng WANG , Xueyou CAO
Abstract: A pressure-sensing circuit, a method for driving the pressure-sensing circuit and a display device are provided. The pressure-sensing circuit includes pressure-sensing gating lines arranged in rows, pressure-sensing reading lines arranged in columns, piezoresistance sensing circuits arranged in N rows and M columns, a pressure-sensing sub-circuit, a current input control circuit, and a current supply circuit for supplying a pressure-sensing current, where each of N and M is an integer greater than 1. The current input control circuit includes N current input control sub-circuits. The pressure-sensing sub-circuit is connected to each of the pressure-sensing reading lines and configured to perform a pressure-sensing operation in accordance with a voltage signal acquired from each of the pressure-sensing reading lines.
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公开(公告)号：US20190064955A1
公开(公告)日：2019-02-28
申请号：US15516072
申请日：2016-09-05
Inventor： Haisheng WANG , Xue DONG , Hailin XUE , Xiaochuan CHEN , Shengji WANG , Xiaoliang DING , Yingming LIU , Weijie ZHAO , Changfeng LI , Wei LIU , Pengpeng WANG , Rui XU
Abstract: A touch display device and a driving method are disclosed. The touch display device includes a liquid crystal display panel having a plurality of self-capacitive electrodes and an electroluminescent display panel arranged under the liquid crystal display panel. The self-capacitive electrodes in the liquid crystal display panel and a cathode in the electroluminescent display panel constitute capacitive structures. The driving method includes in a touch detection time period, applying a first touch detection signal to the self-capacitive electrodes and the cathode simultaneously, and detecting change of a capacitance value of a self capacitance corresponding to each self-capacitive electrode so as to determine a touch position; and in a pressure detection time period, applying a second touch detection signal to the self-capacitive electrodes or the cathode, and detecting changes of capacitance values of capacitances formed between the self-capacitive electrodes and the cathode to determine a pressure at the touch position.
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公开(公告)号：US20190057236A1
公开(公告)日：2019-02-21
申请号：US15767358
申请日：2017-09-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Xue DONG , Haisheng WANG , Xiaoliang DING , Rui XU , Lijun ZHAO
IPC: G06K9/00
Abstract: There is disclosed a display panel and its driving method and a display device in the technical field of display. The display panel according to the disclosure includes a base substrate, a driving structure provided on the base substrate, a receiving structure provided above the driving structure, and a fingerprint detection module provided on the base substrate, wherein the driving structure is configured to create an ultrasonic signal, the receiving structure is configured to receive the ultrasonic signal reflected from a finger and transform the reflected ultrasonic signal into an electric signal which is input to the fingerprint detection module, and the fingerprint detection module is configured to determine fingerprint information from the electric signal output by the receiving structure.
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公开(公告)号：US20190056613A1
公开(公告)日：2019-02-21
申请号：US15767357
申请日：2017-09-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haisheng WANG , Yingming LIU , Xiaoliang DING , Rui XU , Lijun ZHAO , Yanan JIA , Pinchao GU , Yunke QIN , Yuzhen GUO , Yanling HAN , Chun Wei WU , Changfeng LI , Xue DONG
IPC: G02F1/1333 , G02F1/155 , G02F1/1343 , G02F1/1335 , G02F1/163 , G02F1/133 , G06K9/00 , G06F3/042
Abstract: Disclosed is a display device, including a display panel having a plurality of pixel units, a protection cover plate disposed on a light exit surface of the display panel, and a plurality of light sensing devices for pattern recognition disposed on one side of the pixel unit facing away from the light exit surface, and a light collimating member disposed between the protection cover plate and the plurality of light sensing devices, wherein orthogonal projections of the light sensing device and the pixel unit on the display panel do not overlap each other, and the light collimating member has a light transmitting area above the light sensing device and a light shielding area outside the light transmitting area.
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Patent Agency Ranking
公开(公告)号：US20190050621A1
公开(公告)日：2019-02-14
申请号：US15759755
申请日：2017-09-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Rui XU , Xue DONG , Haisheng WANG , Chun-Wei WU , Yingming LIU , Changfeng LI , Yunke QIN , Xiaoliang DING , Pinchao GU , Lijun ZHAO , Yanan JIA , Yuzhen GUO , Jing LV , Xiaochuan CHEN
Abstract: The embodiments of the present disclosure provide an optical fingerprint recognition apparatus and a display panel. The apparatus comprises: a light emitting structure (1), a collimating structure (2) and a plurality of photosensitive sensors (3); the light emitting structure (1) is used for generating detecting light; the collimating structure (2) is used for filtering the detecting light reflected by a finger, such that light with a scattering angle in a predetermined range transmits through the collimating structure (2); the photosensitive sensors (3) are used for receiving the light transmitted through the collimating structure (2) and acquiring fingerprint information according to the received light. The embodiments of the present disclosure are used for manufacturing a display panel. The present disclosure can enhance accuracy of the recognized fingerprint information during an optical fingerprint recognition process.
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137.发明申请公开(公告)号：US20190050096A1
公开(公告)日：2019-02-14
申请号：US16078606
申请日：2017-12-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Haisheng WANG , Xue DONG , Yingming LIU , Xiaoliang DING , Chunwei WU , Rui XU
Abstract: The present application provides an electroluminescent display panel, a production method, a driving method and a display apparatus. The electroluminescent display panel includes a light-emitting unit, a quarter-wave plate on the light-emitting unit, and a wire grid polarizer on a side of the quarter-wave plate opposite to the light-emitting unit. In particular, the light-emitting unit includes a driving backplane, a light-emitting layer and an electrode layer. The electrode layer includes a plurality of sub-electrodes extending along a first direction and insulated from each other. In addition, the wire grid polarizer includes a plurality of metal wires extending along a second direction. The second direction intersects with the first direction.
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公开(公告)号：US20180356922A1
公开(公告)日：2018-12-13
申请号：US15529541
申请日：2016-10-25
Inventor： Wei LIU , Xue DONG , Xiaochuan CHEN , Haisheng WANG , Xiaoliang DING , Shengji YANG , Yingming LIU , Weijie ZHAO , Hongjuan LIU , Changfeng LI , Pengpeng WANG
CPC classification number: G06F3/0412 , G06F3/04164 , G06F3/044 , G06F3/0443 , G06F2203/04103 , H01L27/323 , H01L27/3246 , H01L51/0022 , H01L51/5221 , H01L51/56 , H01L2227/323
Abstract: The present disclosure provides an in-cell touch screen, a manufacturing method thereof, and a display apparatus. The touch screen comprises a pixel region disposed over a base substrate. The pixel region is surrounded by a first barrier, which is configured to insulate the pixel region. The pixel region includes a first electrode; a light-emitting layer, disposed over the first electrode; and a second electrode, disposed over the light-emitting layer. The second electrode expands over an opening of the first barrier so as to be able to electrically connect with a third electrode outside the pixel region.
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公开(公告)号：US20180323243A1
公开(公告)日：2018-11-08
申请号：US15776421
申请日：2017-11-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Xue DONG , Haisheng WANG , Xiaoliang DING , Yingming LIU , Chih Jen CHENG , Yanling HAN , Wei LIU , Xueyou CAO , Ping ZHANG
IPC: H01L27/32 , G09G3/3216 , G06K7/14 , G06K7/10
CPC classification number: H01L27/3227 , G06K7/10722 , G06K7/1413 , G06K7/1417 , G06K9/0004 , G06K9/00604 , G09G3/3216 , G09G2360/145 , H01L27/3276 , H01L27/3288
Abstract: An array substrate includes: a base substrate; a plurality of first electrodes disposed on the base substrate; a plurality of second electrodes disposed above the plurality of first electrodes, wherein orthographic projections of the plurality of second electrodes on the base substrate and orthographic projections of the plurality of first electrodes on the base substrate are intersectingly arranged; a plurality of pixel units located in overlapping areas of the orthographic projections of the plurality of second electrodes on the base substrate and the orthographic projections of the plurality of first electrodes on the base substrate, respectively; and a plurality of photosensitive units disposed at gaps between adjacent two of the plurality of pixel units, respectively, for receiving light signals emitted by the plurality of pixel units and reflected by the object to be detected and transforming the received light signals into electric signals.
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140.发明申请公开(公告)号：US20180314872A1
公开(公告)日：2018-11-01
申请号：US15768218
申请日：2017-09-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang DING , Xue DONG , Jing LV , Haisheng WANG , Chunwei WU , Yingming LIU , Wei LIU , Pengpeng WANG , Yanling HAN , Xueyou CAO
IPC: G06K9/00
CPC classification number: G06K9/0004 , G06K9/00523 , H01L27/1222 , H01L27/14678 , H01L29/78672
Abstract: The present disclosure provides a fingerprint photocurrent detection unit, a fingerprint identifier, a driving method and a display device. The fingerprint photocurrent detection unit includes: a conversion circuit coupled to a fingerprint photocurrent reading line and configured to convert a fingerprint photocurrent acquired by the fingerprint photocurrent reading line into a square wave signal; and a detection circuit coupled to the conversion circuit and configured to detect the square wave signal and acquire information about a fingerprint photocurrent in accordance with a frequency of the square wave signal.
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