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公开(公告)号：US20220181590A1
公开(公告)日：2022-06-09
申请号：US17437296
申请日：2020-12-28
发明人： Yangbing LI , Haisheng WANG , Xiaoliang DING , Yunke QIN , Fangyuan ZHAO , Wenjuan WANG , Ping ZHANG
摘要： A display substrate includes a plurality of sub-pixels. The display substrate further includes: a base substrate; a plurality of temperature sensors disposed on a first side of the base substrate; and a light-shielding layer disposed on a peripheral side, a side proximate to the base substrate, and a side away from the base substrate, of a temperature sensor in the temperature sensors. The temperature sensor is configured to detect a temperature of at least one of the plurality of sub-pixels. The light-shielding layer is configured to shield light emitted to the temperature sensor.
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公开(公告)号：US20210192170A1
公开(公告)日：2021-06-24
申请号：US16892233
申请日：2020-06-03
发明人： Yuanyuan MA , Yapeng LI , Xiaoliang DING , Haisheng WANG , Jiabin WANG , Xueyou CAO , Pengpeng WANG , Wenjuan WANG
摘要： A panel for fingerprint identification and a control method thereof, and an apparatus for fingerprint identification. The panel for fingerprint identification includes: a display unit, a control unit, a unit for adjusting light transmittance and a unit for fingerprint identification which are disposed on a backlight side of the display unit, wherein an operating state of the panel for fingerprint identification includes: a display stage and a fingerprint identification stage. At the display stage, the display unit is configured to emit first light to display an image to be displayed, the unit for adjusting light transmittance is configured to transmit light transmitted through the display unit, and the control unit is connected with the unit for adjusting light transmittance and is configured to control the light transmittance of the unit for adjusting light transmittance.
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公开(公告)号：US20220271104A1
公开(公告)日：2022-08-25
申请号：US17628829
申请日：2021-02-24
发明人： Xiaoliang DING , Haisheng WANG , Yingming LIU , Yunke QIN , Yangbing LI , Lei WANG , Wenjuan WANG , Fangyuan ZHAO , Ping ZHANG
摘要： A display panel includes a display substrate. The display substrate includes: a base substrate; a display structure layer including a plurality of pixel circuits and a plurality of light-emitting devices on the base substrate; and a light detection layer located at a non-light exit side of the light-emitting devices. A pixel circuit in the plurality of pixel circuits is electrically connected to a respective light-emitting device to drive the light-emitting device to emit light. The light detection layer is configured to detect a luminous intensity of at least one light-emitting device. The display substrate further includes: a transparent cover plate at a light exit side of the light-emitting devices; and a polarizer and a first quarter-wave plate between the display substrate and the transparent cover plate. The polarizer is closer to the display substrate than the first quarter-wave plate.
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公开(公告)号：US20210406499A1
公开(公告)日：2021-12-30
申请号：US16767867
申请日：2019-06-14
发明人： Jiabin WANG , Xiaoliang DING , Xueyou CAO , Wenjuan WANG , Jing LIU , Yichi ZHANG , Haisheng WANG , Lei WANG , Yingming LIU , Yingzi WANG
摘要： A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.
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公开(公告)号：US20220201227A1
公开(公告)日：2022-06-23
申请号：US17358262
申请日：2021-06-25
发明人： Wenjuan WANG , Lei WANG , Yapeng LI , Yuanyuan MA , Yubo WANG
IPC分类号： H04N5/355 , G06K9/00 , H04N5/3745 , H04N5/369
摘要： An image acquisition structure includes a dimming layer, a processing circuit, a plurality of reference circuits and a plurality of image acquisition circuits. The reference circuit includes a first photosensor. The dimming layer is provided on a light incident side of the first photosensor, and covers at least the first photosensor of the reference circuit. An input terminal of the processing circuit is electrically connected to an output terminal of the reference circuit. Input terminals of the plurality of image acquisition circuits are electrically connected to an output terminal of the processing circuit.
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公开(公告)号：US20210406506A1
公开(公告)日：2021-12-30
申请号：US16767932
申请日：2019-06-12
发明人： Jiabin WANG , Xiaoliang DING , Xueyou CAO , Wenjuan WANG , Jing LIU , Yichi ZHANG , Haisheng WANG , Lei WANG , Yingming LIU , Yingzi WANG
摘要： A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture based on the first curve and the first acquisition value.
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公开(公告)号：US20210117640A1
公开(公告)日：2021-04-22
申请号：US16975638
申请日：2019-10-16
发明人： Xueyou CAO , Xiaoliang DING , Haisheng WANG , Wenjuan WANG , Pengpeng WANG , Yapeng LI , Ping ZHANG , Likai DENG
IPC分类号： G06K9/00
摘要： A fingerprint identification and detection circuit, a fingerprint identification and detection method and a display device are provided. The fingerprint identification and detection circuit includes a storage capacitor, a capacitor control circuit and a photoelectric conversion element; the photoelectric conversion element is configured to, when in a photoelectric conversion state, convert a received optical signal into a corresponding electrical signal; the capacitor control circuit is provided between the storage capacitor and the photoelectric conversion element, and is configured to perform control to store at least part of the electrical signal to the storage capacitor under control of a capacitor control signal.
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8.发明公开公开(公告)号：US20240056657A1
公开(公告)日：2024-02-15
申请号：US18260271
申请日：2021-02-20
IPC分类号： H04N23/45 , H04N23/951 , H04N23/958
CPC分类号： H04N23/45 , H04N23/951 , H04N23/958
摘要： Provided by the present disclosure are an image acquisition device, an image acquisition apparatus, an image acquisition method and a manufacturing method. The image acquisition device includes: image sensing member groups each including a plurality of image sensing members, and each image sensing member includes a photosensitive assembly with photosensitive components, and a lens assembly covering a photosensitive side of the photosensitive assembly; and shielding portions corresponding to the photosensitive components in a one-to-one correspondence. Each image sensing member group corresponds to a photography depth, and the plurality of image sensing member groups correspond to a plurality of photography depths. For the plurality of image sensing member groups at least one of following is included: the arrangement modes of the image sensing members in the image sensing member groups are different, and camera intrinsic parameters of the image sensing members in the image sensing member groups are different.
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9.发明申请公开(公告)号：US20210210964A1
公开(公告)日：2021-07-08
申请号：US16766196
申请日：2019-12-18
发明人： Xueyou CAO , Xiaoliang DING , Haisheng WANG , Yunke QIN , Pengpeng WANG , Bo CHEN , Ping ZHANG , Likai DENG , Wenjuan WANG
摘要： A photoelectric conversion circuit and a driving method thereof, a photosensitive device and a display device are disclosed. The photoelectric conversion circuit includes a photosensitive circuit, a detection circuit, and a charging circuit, and the photosensitive circuit is connected to the detection circuit and the charging circuit respectively. The photosensitive circuit is configured to convert an optical signal into an electric signal, output the electric signal to the detection circuit in a first state for detection of the optical signal and output the electric signal to the charging circuit in a second state for charging.
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公开(公告)号：US20210209326A1
公开(公告)日：2021-07-08
申请号：US16762349
申请日：2019-11-01
发明人： Xueyou CAO , Pengpeng WANG , Xiaoliang DING , Haisheng WANG , Ping ZHANG , Wenjuan WANG , Yapeng LI , Jiabin WANG , Likai DENG
摘要： A detection circuit, a skin print recognition device and a method for driving a detection circuit are disclosed. The detection circuit includes a photosensitive element, a switching sub-circuit and a charge releasing sub-circuit. The photosensitive element is electrically coupled to the switching sub-circuit and the charge releasing sub-circuit, and is configured to convert a received optical signal into an electrical signal, the switching sub-circuit is configured to output the electrical signal, and the charge releasing sub-circuit is configured to release charges in the photosensitive element after the switching sub-circuit outputs the electrical signal.
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