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公开(公告)号：US11301707B2
公开(公告)日：2022-04-12
申请号：US16764143
申请日：2019-04-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haisheng Wang , Xue Dong , Lei Wang , Xiaoliang Ding , Yingming Liu
IPC: G06K9/20 , G06F3/041 , G02F1/1333 , G02F1/1335 , G06K9/00 , G09G3/36 , G06F3/044
Abstract: A texture recognition device and a driving method of a texture recognition device (100) are provided. The texture recognition device has a touch side, and includes: a light source array, an image sensor array and a light valve structure; the image sensor array is configured to receive light emitted from the light source array and then reflected to the image sensor array by a texture for a texture image collection; the light valve structure is disposed on a side of the light source array close to a touch side and is configured to control a first region to be in a light transmission state in response to a control signal, so as to allow light emitted from the light source array to pass through the first region to form a first photosensitive light source in the light transmission state.
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公开(公告)号：US11232279B2
公开(公告)日：2022-01-25
申请号：US16648628
申请日：2019-09-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haisheng Wang , Xue Dong , Yingming Liu , Xiaoliang Ding , Lei Wang , Changfeng Li , Yapeng Li
Abstract: A texture recognition device and an operation method of a texture recognition device are provided. The texture recognition device includes a light source array and an image sensor array. The light source array includes a plurality of light sources; the image sensor array is at a side of the light source array and includes a plurality of image sensors, and the plurality of image sensors are configured to receive light emitted from the plurality of light sources and reflected to the image sensors by a texture for a texture image collection; each of the image sensors includes a plurality of signal switches, and a signal of each of the image sensors is read through the plurality of signal switches for forming one image pixel of the texture image.
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公开(公告)号：US20220004731A1
公开(公告)日：2022-01-06
申请号：US16495034
申请日：2019-03-04
Applicant: BOE Technology Group Co., Ltd.
Inventor： Changfeng Li , Haisheng Wang , Xiaochuan Chen , Lei Wang , Yingming Liu , Xueyou Cao , Yunke Qin
Abstract: A method for detecting a biometric information includes providing a biometric sensor including a base substrate, a light emitting layer and a touch detection layer on the base substrate, an encapsulating cover on a side of the light emitting layer away from the base substrate, and a photo-sensing layer between the light emitting layer and the base substrate; determining a touch position of a touch by a touch sensing circuit; determining a scanning region based on the touch position; controlling the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern, the scanning region encompassing the touch position; determining a light intensity distribution of a reflected light reflected by the surface of the biometric sensor in touch with the skin of the user based on signals from the plurality of photosensors; and determining the biometric information based on the light intensity distribution.
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公开(公告)号：US11217182B2
公开(公告)日：2022-01-04
申请号：US16338813
申请日：2018-10-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Minghua Xuan , Lei Wang , Xiaochuan Chen , Dongni Liu , Detao Zhao
IPC: G09G3/3291
Abstract: The present disclosure provides a power source voltage application circuit, including a power source voltage output end, an energy storage sub-circuitry, a resetting sub-circuitry and an output control sub-circuitry. A first end of the energy storage sub-circuitry is connected to a first node, and a second end of the energy storage sub-circuitry is connected to a second node. The resetting sub-circuitry is connected to a resetting control end, a reference voltage input tend, the first node, the second node and an initial voltage input end respectively. The output control sub-circuitry is connected to an output control end, a first voltage input end, the first node, the second node and the power source voltage output end respectively.
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公开(公告)号：US20210382601A1
公开(公告)日：2021-12-09
申请号：US16332240
申请日：2018-07-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Yanming Wang , Pengcheng Lu , Wei Liu , Zhi Wang , Lei Wang , Huijuan Wang
Abstract: A display panel includes a touch electrode layer (4). The touch electrode layer (4) may include a plurality of touch electrodes (41). Each of the plurality of the touch electronics (41) may be insulated from one another. A shape of each of the plurality of the touch electronics (41) may be configured to determine a distance of a touch position on one of the plurality of the touch electrodes (41) to a geometric center of the touch electrode layer (4) based on a change of a capacitance of each of the plurality of the touch electrodes (41).
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Patent Agency Ranking
公开(公告)号：US11196134B2
公开(公告)日：2021-12-07
申请号：US16639679
申请日：2019-05-20
Inventor： Xiangzhong Kong , Tienlun Ting , Lei Wang , Ken Wen
Abstract: A phase shifter and a method for operating the same, an antenna and a communication device are provided. The phase shifter includes: a first substrate and a second substrate opposite to each other; a dielectric layer between the first substrate and the second substrate; a first electrode on a side of the first substrate proximal to the second substrate; a second electrode on a side of the second substrate proximal to the first substrate; and a ground electrode on a side of the second substrate distal to the first substrate. The dielectric layer includes liquid crystal molecules, and the first electrode and the second electrode are configured to control rotation of the liquid crystal molecules according to different voltages respectively received by the first electrode and the second electrode.
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公开(公告)号：US11188772B2
公开(公告)日：2021-11-30
申请号：US16765936
申请日：2019-11-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haisheng Wang , Xue Dong , Yingming Liu , Xiaoliang Ding , Lei Wang , Changfeng Li , Yapeng Li
IPC: G06K9/20 , G06K9/00 , G06F3/041 , G09G3/3208
Abstract: A drive method for a texture recognition device and a texture recognition device. The texture recognition device includes a light source array and an image sensor array. The image sensor array includes a plurality of image sensors, the plurality of image sensors are configured to receive light emitted from the plurality of sub-light sources and then reflected by a texture to the plurality of image sensors for a texture collection; the drive method includes: at a first moment, the light source array operating to provide a first photosensitive light source, and at the first moment or a second moment different from the first moment, the light source array operating to provide a second photosensitive light source. A first imaging range of the first photosensitive light source on the image sensor array partially overlaps a second imaging range of the second photosensitive light source on the image sensor array.
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公开(公告)号：US11095028B2
公开(公告)日：2021-08-17
申请号：US16402862
申请日：2019-05-03
Inventor： Tienlun Ting , Guangkui Qin , Lei Wang , Ken Wen , Xiangzhong Kong
Abstract: A frequency tunable antenna includes a first substrate and a second substrate that are disposed opposite to each other, a second electrode disposed on a side of the second substrate close to the first substrate, a first electrode disposed on a side of the first substrate close to the second substrate, and a liquid crystal layer disposed between the second electrode and the first electrode. The second electrode and the first electrode are configured to adjust transmitting and receiving frequencies of the frequency tunable antenna by controlling an alignment manner of liquid crystals of the liquid crystal layer.
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公开(公告)号：US20210124896A1
公开(公告)日：2021-04-29
申请号：US17256047
申请日：2020-05-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang Ding , Haisheng Wang , Lei Wang , Yunke Qin , Yingming Liu
Abstract: A texture detection circuit, a charging circuit, driving methods and a touch display panel are provided. The texture detection circuit includes a first photosensitive element and a switching sub-circuit. A first electrode of the first photosensitive element is connected with a signal readout line. A second electrode of the first photosensitive element is connected with the switching sub-circuit. The switching sub-circuit is connected with a reverse power end and a charging sub-circuit, and is configured to switch a connection state of the second electrode of the first photosensitive element between a first connection state and a second connection state. The first connection state is a state in which the second electrode of the first photosensitive element is connected with the reverse power end. The second connection state is a state in which the second electrode of the first photosensitive element is connected with the charging sub-circuit.
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公开(公告)号：US10948535B2
公开(公告)日：2021-03-16
申请号：US16391833
申请日：2019-04-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Detao Zhao , Liang Chen , Li Xiao , Dongni Liu , Lei Wang , Minghua Xuan , Xiaochuan Chen
IPC: G01R31/3187 , G01R31/28 , G09G3/20 , G09G3/3225 , H01L27/32
Abstract: The present disclosure provides a display device and a detection method for the display device. The display device includes a display area and a non-display area. The display device comprises: a pixel array at the display area, a plurality of switching transistors at the non-display area, and at least one detection line at the non-display area. The pixel array includes a plurality of sub-pixels. The plurality of switching transistors are electrically connected to a plurality of columns of sub-pixels of the pixel array in one-to-one correspondence. Each of the at least one detection line is electrically connected to a part of the plurality of switching transistors.
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