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

IPC: G06T7/00 ,  G06V10/25 ,  G06V10/26

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.

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

IPC: G06T7/00 ,  G06V10/25 ,  G06V10/26

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.

公开(公告)号：US20230419466A1

公开(公告)日：2023-12-28

申请号：US18038197

申请日：2020-11-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Quanguo ZHOU ,  Kaiqin XU ,  Jiahong ZOU ,  Guolin ZHANG ,  Xun HUANG ,  Qing ZHANG ,  Lijia ZHOU ,  Zhidong WANG ,  Hongxiang SHEN ,  Hao TANG ,  Jiuyang CHENG

IPC: G06T7/00 ,  G06T3/40

CPC classification number: G06T7/0002 ,  G06T3/40 ,  G06T2207/20084 ,  G06T2207/30168

Abstract: Provided are a method and apparatus for identifying the defect grade of a bad picture, and a storage medium. The method includes: determining the defect size of a defect from a bad picture; according to a product model corresponding to the bad picture, determining the design size of a pattern corresponding to a component that is adjacent to the position of the defect; determining the defect grade of the defect according to the defect type of the defect and a magnitude relationship between the defect size and the design size, wherein the defect grade is the degree to which the defect affects product yield.

公开(公告)号：US20220245782A1

公开(公告)日：2022-08-04

申请号：US17476321

申请日：2021-09-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Quanguo ZHOU ,  Kaiqin XU ,  Jiahong ZOU ,  Guolin ZHANG ,  Xun HUANG ,  Qing ZHANG ,  Zhidong WANG ,  Lijia ZHOU ,  Hongxiang SHEN ,  Jiuyang CHENG ,  Hao TANG

IPC: G06T7/00 ,  G06T5/50 ,  G06N3/08 ,  G06T7/55 ,  G06K9/46 ,  G06K9/62

Abstract: A method for classifying an image of a displaying base plate includes: acquiring an image to be checked; from a first predetermined-type set, determining a type of the image to be checked. The first predetermined-type set includes: a first image type, a second image type and a third image type. An image of the first image type is a no-defect image, an image of the second image type is a blurred image, and an image of the third image type is a defect image. When the type of the image to be checked is the third image type, by using a first convolutional neural network, determining a defect data of the image to be checked, wherein the defect image refers to an image of a displaying base plate having a defect, and the defect data contains a defect type of the displaying base plate in the image to be checked.

公开(公告)号：US20210215688A1

公开(公告)日：2021-07-15

申请号：US16758163

申请日：2019-03-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao TANG ,  Quanguo ZHOU ,  Jiuyang CHENG ,  Lijia ZHOU ,  Zhidong WANG ,  Yancheng LU ,  Ronghua LAN

IPC: G01N33/543 ,  G01N27/74

Abstract: An embodiment of the disclosure provides an immunodetection chip, an immunodetection device and a using method. The immunodetection chip includes a substrate and a cover plate. The substrate is disposed opposite to the cover plate to form a detection chamber. One side, facing the cover plate, of the substrate is fixedly provided with substrate antibodies. An inside wall of the detection chamber is provided with a detection member. The detection member is configured to output a corresponding electrical signal while adsorbing biological magnetic beads. The substrate antibodies match with target antigens.

公开(公告)号：US20200274205A1

公开(公告)日：2020-08-27

申请号：US16650654

申请日：2019-02-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanguo ZHOU ,  Lipeng JIANG ,  Lijia ZHOU ,  Zhidong WANG ,  Hao TANG ,  Jiuyang CHENG ,  Qingguo YANG ,  Ronghua LAN

IPC: H01M10/42 ,  H01M10/0525 ,  H01M10/44 ,  H01M10/46

Abstract: A battery and a manufacturing method thereof are disclosed. The battery includes at least one battery cell and at least one switching element; each of the at least one switching element is respectively connected to one or more of the at least one battery cell to control the one or more of the at least one battery cell.

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.

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.

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

IPC: G01S5/02 ,  G01S5/14 ,  G01S5/00

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.

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.