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公开(公告)号:US20210218053A1
公开(公告)日:2021-07-15
申请号:US16647693
申请日:2019-02-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Quanguo ZHOU , Hao TANG , Lijia ZHOU , Zhidong WANG , Qingguo YANG , Yawen ZHU , Jiuyang CHENG
IPC: H01M10/0525 , H01M4/36 , H01M10/0562 , H01M4/583 , H01M10/0565 , H01M10/0566 , H01M4/66 , H01M4/38 , H01M4/48
Abstract: A lithium ion battery and a method for preparing a lithium ion battery are disclosed. The lithium ion battery includes: a first electrode current collector, a first electrode layer, an electrolyte layer, a second electrode layer, and a second electrode current collector which are laminated, and further includes a first electron transport layer and/or a second electron transport layer. The first electron transport layer is provided between the first electrode layer and the first electrode current collector, and the second electron transport layer is provided between the second electrode layer and the second electrode current collector.
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公开(公告)号:US20200073198A1
公开(公告)日:2020-03-05
申请号:US16439058
申请日:2019-06-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Lijia ZHOU , Zhidong WANG , Junrui ZHANG , Rongjian YAN , Quanguo ZHOU , Li TIAN , Yungchiang LEE , Meng GUO
IPC: G02F1/29
Abstract: A liquid crystal lens and an imaging device including the liquid crystal lens are provided. The liquid crystal lens includes: a first substrate and a second substrate arranged opposite to each other; a liquid crystal layer located between the first substrate and the second substrate; the liquid crystal layer is configured to transmit a first portion of incident light transmitted through the first substrate, and converge the first portion of incident light to a predetermined region of the second substrate; and a light adjustment structure arranged between the first substrate and the second substrate, and configured to enable a second portion of incident light transmitted through the first substrate to be transmitted through the liquid crystal layer and converged to the predetermined region.
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公开(公告)号:US20250148586A1
公开(公告)日:2025-05-08
申请号:US19013603
申请日:2025-01-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Hao TANG , Ronghua LAN , Jiuyang CHENG , Shuo ZHOU , Zhong HUANG , Guo JIANG , Li WANG , Lijia ZHOU , Zhidong WANG , Lirong XU , Quanguo ZHOU
Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.
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4.
公开(公告)号:US20240185115A1
公开(公告)日:2024-06-06
申请号:US17795276
申请日:2021-09-24
Applicant: BOE Technology Group Co., Ltd.
Inventor: Qing ZHANG , Quanguo ZHOU , Lijia ZHOU , Jiuyang CHENG , Zhidong WANG , Ruwang GUO , Lirong XU , Junrui ZHANG , Xuehui ZHU , Meng GUO
Abstract: The disclosure provides a method and apparatus for early warning of dry pump shutdown, an electronic device, a storage medium and a program, and belongs to the technical field of automatic control. The method comprises: obtaining historical operating data of a dry pump; building a Kalman filter model by using the historical operating data; predicting predicted operating data of the dry pump through the Kalman filter model; training a shutdown prediction model by using the historical operating data and the predicted operating data; and inputting current operating data of the dry pump into the trained shutdown prediction model to obtain shutdown early warning information of the dry pump.
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公开(公告)号:US20230005130A1
公开(公告)日:2023-01-05
申请号:US17784073
申请日:2021-06-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Hao TANG , Ronghua LAN , Jiuyang CHENG , Shuo ZHOU , Zhong HUANG , Guo JIANG , Li WANG , Lijia ZHOU , Zhidong WANG , Lirong XU , Quanguo ZHOU
Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.
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公开(公告)号:US20220082444A1
公开(公告)日:2022-03-17
申请号:US17407998
申请日:2021-08-20
Applicant: BOE Technology Group Co., Ltd.
Inventor: Fan LI , Junrui ZHANG , Ronghua LAN , Zhidong WANG , Lijia ZHOU
Abstract: A sensor includes: a substrate and at least one infrared temperature measurement unit disposed on the substrate. An infrared temperature measurement sub-unit includes: a first support portion, at least one second support portion, a thermocouple, and an infrared absorption portion. The thermocouple includes a first electrode and a second electrode, each of which includes a first end and a second end; the first ends of the first electrode and the second electrode are connected and disposed on the first support portion; the infrared absorption portion is disposed on the first support portion and covers the first ends of the first electrode and the second electrode; the second ends of the first electrode and the second electrode are not connected and disposed on the second support portion; and in the infrared temperature measurement unit, a cavity structure is included between at least the adjacent first and second support portions.
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7.
公开(公告)号:US20200096832A1
公开(公告)日:2020-03-26
申请号:US16388643
申请日:2019-04-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Zhidong WANG , Lijia ZHOU , Junrui ZHANG , Ronghua LAN
Abstract: An optical communication switch, an optical controlling method, an array substrate and a display device are provided, the optical communication switch including: a first substrate and a second substrate opposite thereto; a first optical medium layer formed therebetween by a phase-change material, which has a first refractive index in a first state in which light rays implement one of an optical path state and an optical drop state, and a second refractive index in a second state in which light rays implement the other one of the optical path state and the optical drop state; a second optical medium layer also formed therebetween and in contact with the first optical medium layer by abutting against it closely, the second optical medium layer having a refractive index matching the first or second refractive index; and a heating device enabling the phase-change material to switch between the first and second states.
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8.
公开(公告)号:US20240070848A1
公开(公告)日:2024-02-29
申请号:US18274232
申请日:2022-09-21
Applicant: BOE Technology Group Co., Ltd.
Inventor: Qing ZHANG , Quanguo ZHOU , Jiuyang CHENG , Lijia ZHOU , Zhidong WANG , Hao TANG , Meng GUO
IPC: G06T7/00 , G06T7/70 , G06V10/774
CPC classification number: G06T7/001 , G06T7/70 , G06V10/774 , G06T2207/20021 , G06T2207/20081 , G06T2207/30108 , G06T2207/30204
Abstract: Provided is a method of training an image recognition model, the model is configured to detect a defect region in an image of a display substrate, the display substrate includes a display area and a connection area, and the method includes: acquiring a first training sample including images of n display substrates; dividing each of the images of n display substrates into a first sub image and a second sub image, the first sub image is an image of a display area, and the second sub image is an image of a connection area; inputting the first training sample into the image recognition model, the first training sample includes the first sub image and the second sub image; and adjusting at least one feature parameter of the image recognition model to reduce a difference between an output value of the model and a training value of the first training sample.
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公开(公告)号:US20220236364A1
公开(公告)日:2022-07-28
申请号:US17615482
申请日:2020-12-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Hao TANG , Jiuyang CHENG , Lijia ZHOU , Quanguo ZHOU , Lirong XU
Abstract: The present disclosure provides a vehicle positioning method, including: a first controller synchronously controlling each first beacon node to send a detection initial signal; a second controller determining a target beacon node among second beacon nodes and controlling the target beacon node to send a detection feedback signal; the first controller synchronously controlling each first beacon node to send a corresponding detection signal to be responded and recording a first moment of sending the detection signal to be responded; the second controller controlling the target beacon node to send a detection response signal; the first controller recording a second moment of receiving the detection response signal and determining a distance between each first beacon node and the target beacon node according to the first moment and the second moment, so as to determine a position of the target beacon node relative to the first vehicle.
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公开(公告)号:US20210165977A1
公开(公告)日:2021-06-03
申请号:US17106683
申请日:2020-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Jiuyang CHENG , Hao TANG , Quanguo ZHOU , Qin LIU , Lirong XU , Lijia ZHOU
IPC: G06K7/10
Abstract: A positioning method performed at a server includes: receiving, at a frequency, arrival time information from a plurality of readers; determining, according to the arrival time information, that the tag is in a sensing auxiliary region of a positioning region; sending a first control command to one of the readers, so that the tag activates an inertial sensor thereof according to the first control command; receiving, from the reader, position information of the tag in the sensing auxiliary region obtained by the inertial sensor; determining, according to the position information of the tag in the sensing auxiliary region, a first motion trajectory of the tag in the sensing auxiliary region; and determining, according to the first motion trajectory, whether the tag enters one of the first regions.
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