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11.发明申请公开(公告)号：US20220343669A1
公开(公告)日：2022-10-27
申请号：US17422242
申请日：2020-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Cui , Lei Wang , Yangbing Li , Yubo Wang , Xiufeng Li , Yuanyuan Ma
Abstract: A method for identifying a fingerprint, includes: performing a plurality of signal load operations on a plurality of transmit electrodes; in response to performing the signal load operations on the transmit electrodes, acquiring a fingerprint signal by a target electrode of the receive electrodes; and identifying a fingerprint based on acquired fingerprint signals.
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公开(公告)号：US11386692B2
公开(公告)日：2022-07-12
申请号：US16764951
申请日：2019-11-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yangbing Li , Haisheng Wang , Xiaoliang Ding , Pengpeng Wang , Jiabin Wang , Ping Zhang , Likai Deng , Yapeng Li , Chihjen Cheng , Yanling Han , Xueyou Cao
IPC: G02F1/1335 , G06V40/13 , G02F1/1333
Abstract: A display panel has a light-exit side and a non-light-exit side opposite to the light-exit side. A direction pointing to the non-light-exit side from the light-exit side is a first direction. In the first direction, the display panel includes a coded aperture mask layer and an optical sensing layer. The coded aperture mask layer includes a plurality of first light-transmission portions and a plurality of first light-shielding portions. The coded aperture mask layer is configured to form at least one part of a coded aperture array. The optical sensing layer includes a plurality of optical sensors. The optical sensing layer is configured to receive texture recognition light passed through the coded aperture array and convert optical signals of the texture recognition light into electrical signals. The texture recognition light is light carrying information about a texture to be recognized.
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公开(公告)号：US11353743B2
公开(公告)日：2022-06-07
申请号：US16646360
申请日：2019-03-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng Wang , Haisheng Wang , Xiaoliang Ding , Yangbing Li , Ping Zhang , Likai Deng
IPC: G02F1/13357 , G02F1/1335 , G02F1/1333
Abstract: The present disclosure relates to a backlight module, a display device, and a method for manufacturing the backlight module. The backlight module includes: a substrate; an optical film layer disposed on one side of the substrate; and at least one photosensitive element disposed on the substrate and configured to sense light from one side of the optical film layer away from the substrate; wherein the optical film layer is provided with a micro-hole array, and an orthographic projection of the micro-hole array on the substrate at least partially overlaps with that of the at least one photosensitive element on the substrate.
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公开(公告)号：US11308727B2
公开(公告)日：2022-04-19
申请号：US16622557
申请日：2019-05-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Xue Dong , Haisheng Wang , Yingming Liu , Wei Liu , Jiabin Wang , Yangbing Li , Pengpeng Wang , Ping Zhang , Likai Deng , Bo Chen
Abstract: The present disclosure provides a fingerprint detection device and method. The fingerprint detection device includes a detection substrate and a signal converter. The detection substrate includes pixels arranged in rows and columns. Each pixel includes a sensing circuit configured to receive an optical signal and output a sensing electrical signal according to the received optical signal. The signal converter includes A/D converters each coupled to one column of sensing circuits. The fingerprint detection device further includes a control circuit coupled to the sensing circuits and the A/D converters and configured to obtain common mode component of sensing electrical signals output by sensing circuits of at least part of the pixels and provide information about the common mode component to the A/D converters. The A/D converter is configured to perform analog-to-digital conversion on difference between the sensing electrical signal from corresponding sensing circuit and the common mode signal.
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公开(公告)号：US11237672B2
公开(公告)日：2022-02-01
申请号：US16631445
申请日：2019-02-01
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pengpeng Wang , Haisheng Wang , Xiaoliang Ding , Yangbing Li , Likai Deng
IPC: G06F3/042 , G06T7/50 , G01S17/894 , G02F1/29 , G01S7/481 , G01S17/42 , H01L25/16 , H01L25/18 , H01L27/32
Abstract: A display apparatus for detecting three-dimensional (3D) spatial information. The display apparatus includes a display panel having a plurality of active subpixels in a display area configured with multiple gaps respectively between at least some active subpixels, the display panel including a counter substrate at front and a backplane substrate at back; an optical layer at a back side of the backplane substrate; multiple light sensors attached discretely on a back side of the optical layer and substantially aligned with the multiple gaps in the display area; and a light source on the backplane substrate and configured to provide an infrared light signal in a direction toward a field of view beyond the counter substrate. The multiple light sensors are configured to detect respective infrared light signals reflected from multiple different regions of an object in the field of view for collectively deducing 3D spatial information of the object.
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Patent Agency Ranking
公开(公告)号：US10654711B2
公开(公告)日：2020-05-19
申请号：US15936548
申请日：2018-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Xue Dong , Haisheng Wang , Yingming Liu , Xueyou Cao , Yuzhen Guo , Ping Zhang , Pengpeng Wang , Yanling Han , Chihjen Cheng , Likai Deng , Yangbing Li
IPC: B81B7/02 , H01L27/32 , G01N27/447 , B01L3/00 , H01L51/52
Abstract: A droplet control and detection device and an operating method thereof are provided. The droplet control and detection device includes: a light source; a first electrode; a second electrode; a droplet arranged on a light-exiting side of the light source, where the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode; a photoelectric detection structure configured to detect light emitted by the light source and reflected by the droplet; and a processing circuit configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information.
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公开(公告)号：US12198633B2
公开(公告)日：2025-01-14
申请号：US17795444
申请日：2021-09-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yue Tong , Yunke Qin , Lei Wang , Peng Jia , Xiaoquan Hai , Jiabin Wang , Fangyuan Zhao , Yangbing Li
IPC: G06V40/13 , G09G3/3258 , H10K59/12 , H10K59/121 , H10K59/65
Abstract: A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.
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公开(公告)号：US12169258B2
公开(公告)日：2024-12-17
申请号：US17778119
申请日：2021-06-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Cui , Xue Dong , Lei Wang , Yangbing Li , Yingzi Wang , Yanling Han , Yubo Wang , Yue Gou
Abstract: The present disclosure provides an ultrasonic imaging method and apparatus. The apparatus includes an ultrasonic signal emission source and a receiving array including ultrasonic signal receiving circuits; the method includes: turning on the source to perform emission of ultrasonic waves toward an object to be detected and causing the ultrasonic waves to propagate through the object, a depth-wise direction of which is along a propagation direction of the ultrasonic waves; after a first predetermined time period having elapsed since the source was turned on, turning on the receiving array to receive reflected echoes returning from a first section plane of the object to be detected perpendicular to the depth-wise direction; thereafter, turning off the receiving array, storing the reflected echoes by the ultrasonic signal receiving circuits and acquiring reflected echo signals, and successively reading the reflected echo signals from the ultrasonic signal receiving circuits during a reading time period.
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公开(公告)号：US20240185792A1
公开(公告)日：2024-06-06
申请号：US17795444
申请日：2021-09-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yue Tong , Yunke Qin , Lei Wang , Peng Jia , Xiaoquan Hai , Jiabin Wang , Fangyuan Zhao , Yangbing Li
IPC: G09G3/3258 , G06V40/13 , H10K59/12 , H10K59/121 , H10K59/65
CPC classification number: G09G3/3258 , G06V40/1318 , H10K59/1201 , H10K59/1213 , H10K59/65 , G09G2300/0852 , G09G2330/021 , G09G2360/14
Abstract: A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.
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公开(公告)号：US11681395B2
公开(公告)日：2023-06-20
申请号：US16976255
申请日：2019-10-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Haisheng Wang , Yingming Liu , Pengpeng Wang , Likai Deng , Yangbing Li , Xueyou Cao , Ping Zhang
CPC classification number: G06F3/042 , G06V40/1318 , H10K59/12 , H10K59/40 , H10K59/60 , H10K59/65 , H01L27/14621 , H01L27/14678
Abstract: Disclosed are a display substrate, a display device and a detection method by using a display device. The display substrate includes at least one sub-pixel, the at least one sub-pixel includes a first region and a second region, and the at least one sub-pixel includes a light emitting element which is arranged in the first region, and a pixel circuit structure and a photosensitive structure which are arranged in the second region; the pixel circuit structure and the photosensitive structure are stacked, and the photosensitive structure is closer to a light exiting side of the display substrate than the pixel circuit structure.
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