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公开(公告)号：US20220011919A9
公开(公告)日：2022-01-13
申请号：US16080077
申请日：2018-02-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xueyou CAO , Haisheng WANG , Xiaoliang DING , Yanling HAN , Chih Jen CHENG , Wei LIU , Pengpeng WANG , Ping ZHANG
Abstract: Embodiments of the present disclosure provide a touch panel and a driving method thereof, and a touch device. The touch panel includes a plurality of touch electrodes and at least one first switch element. Each of the at least one first switch element is provided between two touch electrodes of the plurality of touch electrodes, and is configured to be turned on according to a first signal from a first signal terminal such that the corresponding touch electrodes among the plurality of touch electrodes are connected via the at least one first switch element to form a coil.
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公开(公告)号：US20220004729A1
公开(公告)日：2022-01-06
申请号：US16959220
申请日：2019-08-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yingming LIU , Liang CUI , Yubo WANG , Yangbing LI , Xiufeng LI , Xueyou CAO
Abstract: A fingerprint identification circuit and a driving method thereof, a fingerprint identification module, and a display device are provided. The fingerprint identification circuit includes a plurality of first signal receiving circuit groups, a plurality of second signal receiving circuit groups, and a plurality of first signal acquisition lines. The plurality of first signal acquisition lines are arranged in one-to-one correspondence with the plurality of first signal receiving circuit groups, and each first signal acquisition line is connected with multiple first acquisition signal input terminals of multiple signal receiving circuits in a corresponding one of the first signal receiving circuit groups.
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公开(公告)号：US20210335173A1
公开(公告)日：2021-10-28
申请号：US16316188
申请日：2018-01-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanan JIA , Xue DONG , Jing LV , Haisheng WANG , Chun Wei WU , Yingming Liu , Xueyou CAO , Changfeng LI , Lijun ZHAO , Yanling HAN , Yuzhen GUO , Rui XU , Pinchao GU , Yunke QIN
Abstract: Disclosed are a display device and a method for adjusting its display brightness. The display device includes a display screen and an ambient light sensor in the display screen, wherein the ambient light sensor includes a photodeformable element, and the photodeformable element includes a photodeformable material layer; and the photodeformable element is configured to deform in response to a change in ambient light to obtain output of the ambient light sensor. The ambient light sensor has a simple structure and is easy to be made and to be combined with the display screen.
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公开(公告)号：US20210264127A1
公开(公告)日：2021-08-26
申请号：US15734565
申请日：2020-05-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaoliang DING , Haisheng WANG , Yingming LIU , Lei WANG , Xueyou CAO , Jiabin WANG , Ping ZHANG , Yapeng LI
Abstract: An imaging backplane, a driving method thereof and a fingerprint identification panel are provided, the imaging backplane includes M rows and N columns of imaging structures, 2M rows of first signal lines, 2N columns of second signal lines, a first reset sub-circuit and a second reset sub-circuit; wherein each imaging structure includes a first imaging unit and a second imaging unit; the first imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i-1 and the second signal line of column 2j-1 respectively, and the second imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i and the second signal line of column 2j respectively.
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5.发明申请公开(公告)号：US20210224500A1
公开(公告)日：2021-07-22
申请号：US16304177
申请日：2018-01-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Xue DONG , Haisheng WANG , Xiaoliang DING , Chihjen CHENG , Yanling HAN , Wei LIU , Xueyou CAO , Rui XU , Yuzhen GUO , Ping ZHANG
Abstract: The present disclosure provides a touch panel, a fingerprint recognition method thereof, a method for manufacturing a touch panel and a display device. The touch panel includes multiple driving electrode groups and multiple, sensing electrodes which are intersected with and insulated from each other, each of the driving electrode groups comprises a plurality of driving electrodes, each driving electrodes is coupled to a scanning line, and the method includes: a first scanning step of performing a first scanning on each of the driving electrode groups by using scanning lines to detect a sensing signal generated by a sensing electrode being touched; a determining step of determining a driving electrode group being touched according to the detected sensing signal; a second scanning step of sequentially performing a second scanning on the driving electrodes in the determined driving electrode group being touched to obtain a valley or a ridge of a fingerprint.
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Patent Agency Ranking
公开(公告)号：US20200349334A1
公开(公告)日：2020-11-05
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: G06K9/00 , G02F1/1335 , 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：US20190178712A1
公开(公告)日：2019-06-13
申请号：US16315561
申请日：2018-04-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haisheng WANG , Xiaoliang DING , Chihjen CHENG , Yanling HAN , Wei LIU , Ping ZHANG , Pengpeng WANG , Xueyou CAO , Yanan JIA
Abstract: The present disclosure provides an optical measurement module which includes a detection sub-circuit, a comparison sub-circuit and a blocking layer, the blocking layer includes at least one blocking element, the detection sub-circuit comprises a first photosensitive element, and the detection sub-circuit is configured to output a detection signal according to light irradiation received by the first photosensitive element and an input signal of the detection sub-circuit; the comparison sub-circuit includes a second photosensitive element, the at least one blocking element in the blocking layer covers at least the second photosensitive element, the comparison sub-circuit is configured to output a comparison signal according to an input signal of the comparison sub-circuit; wherein the first photosensitive element and the second photosensitive element have a same structure, so that they have a same response to light irradiation and a same response to environment.
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8.发明申请公开(公告)号：US20180307887A1
公开(公告)日：2018-10-25
申请号：US15560050
申请日：2017-04-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanling HAN , Xue DONG , Jing LV , Haisheng WANG , Chun Wei WU , Xiaoliang DING , Yingming LIU , Pengpeng WANG , Wei LIU , Xueyou CAO , Yanan JIA , Lijun ZHAO , Changfeng LI , Rui XU , Yuzhen GUO
Abstract: A fingerprint identification substrate and a fabrication method thereof, a display panel and a display apparatus are provided. The fingerprint identification substrate includes a base substrate and a plurality of fingerprint identification units on the base substrate. Each fingerprint identification unit includes a photosensitive sense electrode and a thin film transistor which are positioned on the base substrate, the photosensitive sense electrode is positioned between the base substrate and the thin film transistor, and the photosensitive sense electrode is electrically connected with a source electrode or a drain electrode of the thin film transistor.
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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
Inventor： Jiabin WANG , Xiaoliang DING , Xueyou CAO , Wenjuan WANG , Jing LIU , Yichi ZHANG , Haisheng WANG , Lei WANG , Yingming LIU , Yingzi WANG
Abstract: 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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10.发明申请公开(公告)号：US20210385360A1
公开(公告)日：2021-12-09
申请号：US17280366
申请日：2020-07-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yangbing LI , Xueyou CAO , Ping ZHANG , Likai DENG , Yubo WANG
Abstract: A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.
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