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公开(公告)号：US11335113B2
公开(公告)日：2022-05-17
申请号：US16767867
申请日：2019-06-14
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 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：US11331666B2
公开(公告)日：2022-05-17
申请号：US16633016
申请日：2019-07-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming Liu , Xue Dong , Haisheng Wang , Xiaochuan Chen , Xiaoliang Ding , Lei Wang , Changfeng Li , Pinchao Gu
IPC: B01L3/00
Abstract: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.
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公开(公告)号：US11314961B2
公开(公告)日：2022-04-26
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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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：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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Patent Agency Ranking
16.发明授权公开(公告)号：US11301076B2
公开(公告)日：2022-04-12
申请号：US16301523
申请日：2018-02-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： ChihJen Cheng , Yuzhen Guo , Pengpeng Wang , Xiaoliang Ding , Xueyou Cao , Yanling Han , Wei Liu
Abstract: A piezoresistive detection circuit includes a first transistor, a second transistor, a fixed resistor, and a pressure sensitive resistor, a first end of the fixed resistor is connected with a first voltage signal terminal, and a second end of the fixed resistor is connected with a first node, a first end of the pressure sensitive resistor is connected with the first node, and a second end of the pressure sensitive resistor is grounded, a gate electrode of the first transistor is connected with the first node, a source electrode of the first transistor is connected with a second voltage signal terminal, and a drain electrode of the first transistor is connected with a source electrode of the second transistor, a gate electrode of the second transistor is connected with a scanning signal line, and a drain electrode of the second transistor is connected with a readline.
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17.发明授权公开(公告)号：US11288478B2
公开(公告)日：2022-03-29
申请号：US16639309
申请日：2019-09-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yingming Liu , Haisheng Wang , Xiaoliang Ding , Xiufeng Li , Pengpeng Wang , Chenyang Zhang , Yaqian Ji , Peixiao Li , Jing Liu , Ruituo Wang , Lei Chen
Abstract: A fingerprint identification module, a manufacturing method and driving method thereof, and a display device. The fingerprint identification module includes: a driving backplate, including a substrate, identification circuits on the substrate, the identification circuits having a first electrode pad, a second electrode pad; acoustic units including: a first electrode; a piezoelectric film layer positioned on the side, close to the driving backplate, of the first electrode; a second electrode positioned on the side, close to the driving backplate, of the piezoelectric film layer; a first lead-out terminal electrically connected with the first electrode; a second lead-out terminal electrically connected with the second electrode; cavities being in one-to-one correspondence to the acoustic units, the cavities positioned between the second electrodes and the substrate, and one side face, away from the substrate, of cavity being defined by at least one side face, close to the substrate, of the second electrode.
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公开(公告)号：US11251791B2
公开(公告)日：2022-02-15
申请号：US16455821
申请日：2019-06-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuzhen Guo , Haisheng Wang , Yingming Liu , Xiaoliang Ding , Yanling Han , Xueyou Cao
IPC: H03K17/687 , G01N21/03 , G01N33/50
Abstract: Disclosed are a microfluid detection device, system and method, a processing device and a storage medium, in the field of biochemistry. The device includes a first substrate and a second substrate facing each other, and a microfluid chamber between the first substrate and the second substrate; wherein the first substrate has a plurality of photoelectric sensors and an output circuit, each of the photoelectric sensors is configured to convert an optical signal passing through the second substrate and the microfluid chamber to an electrical signal, and the output circuit is configured to output the electrical signal obtained by the photoelectric sensor.
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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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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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