Patents by Inventor Zidong GUO
Zidong GUO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250005961Abstract: A processor-implemented method with image processing includes detecting facial keypoints from an input face image determining a face area of the input face image and a facial feature area of the input face image based on the facial keypoints, and determining the input face image to be an invalid face image in response to the facial feature area satisfying a first preset condition, wherein the first preset condition comprises either one or both of a shape condition regarding a shape of the facial feature area, and a position condition regarding a relationship between a position of the facial feature area and a position of the face area.Type: ApplicationFiled: June 27, 2024Publication date: January 2, 2025Applicant: Samsung Electronics Co., Ltd.Inventors: Jingzhi LI, Kai WANG, Zidong GUO, Jiwon BAEK, Seungju HAN
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Patent number: 11893915Abstract: An image sticking test method and an image sticking test device. The image sticking test method includes: acquiring a first correspondence between a source-drain current of a preset drive transistor and time within a first preset time after a voltage of the preset drive transistor in an array substrate is switched from a first preset voltage to a second preset voltage; acquiring a second correspondence between a source-drain current of the preset drive transistor and time within a second preset time after the voltage of the preset drive transistor is switched from a third preset voltage to the second preset voltage; and acquiring a first image sticking test curve of the array substrate according to the first correspondence, the second correspondence and an image sticking evaluation formula, where the first image sticking test curve is a correspondence between time and an image sticking evaluation value.Type: GrantFiled: March 10, 2022Date of Patent: February 6, 2024Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang Zhao, Zhe Du, Shuang Guo, Xun Liu, Zidong Guo
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Publication number: 20230354654Abstract: A display panel, a display apparatus and a method for preparing the display apparatus. The display panel includes: a fingerprint recognition region; a display region arranged as at least partially surrounding the fingerprint recognition region; an active layer arranged on a side of the substrate and comprising a plurality of active units distributed in an array on the substrate; and a light blocking layer arranged on a side of the active layer facing the substrate and arranged in the fingerprint recognition region. The light blocking layer includes a plurality of light blocking units, and along a direction perpendicular to the display panel, orthographic projections of the plurality of light blocking units on the substrate cover orthographic projections of the plurality of active units on the substrate.Type: ApplicationFiled: June 28, 2023Publication date: November 2, 2023Applicant: KunShan Go-Visionox Opto-Electronics Co., LtdInventors: Fa-Hsyang CHEN, Cuili GAI, Yinghai MA, Zidong GUO, Xuyang ZHANG, Junfeng LI
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Patent number: 11688319Abstract: A driving method for driving a pixel circuit. The pixel circuit includes a driving transistor, a data-writing transistor, a compensating transistor, a first initializing transistor, a second initializing transistor and a light-emitting element. The compensating transistor is connected between a gate of the driving transistor and a second pole of the driving transistor. The second pole of the driving transistor is connected to an initialization power supply through the first initializing transistor. The data-writing transistor is connected between a data voltage input terminal and a first pole of the driving transistor. The second initializing transistor is connected between a first signal terminal and a first pole of the driving transistor; and the light-emitting element is connected between the second pole of the driving transistor and a second power voltage input terminal.Type: GrantFiled: January 5, 2022Date of Patent: June 27, 2023Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Dongfang Zhao, Yang Shen, Zidong Guo, Haofeng Zhang, Zhe Du, Junfeng Li, Yong Ge
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Publication number: 20230154040Abstract: A method and apparatus with landmark coordinate prediction are provided. The method includes generating a multi-stage feature map for landmarks of a face image through a staged convolutional network, generating an initial query matrix by fully connecting a last-stage feature map in the multi-stage feature map using a fully connected network, where a total number of feature elements in the initial query matrix is equal to a total number of predicted landmarks of the face image, generating a memory feature matrix by flattening and connecting the multi-stage feature map, generating the predicted landmark coordinates by inputting the memory feature matrix and the initial query matrix to a decoder network of plural cascaded decoder networks.Type: ApplicationFiled: November 15, 2022Publication date: May 18, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Zidong GUO, Jae-Joon HAN, Seon-Min RHEE, Seungju HAN, Hui LI
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Publication number: 20220198973Abstract: An image sticking test method and an image sticking test device. The image sticking test method includes: acquiring a first correspondence between a source-drain current of a preset drive transistor and time within a first preset time after a voltage of the preset drive transistor in an array substrate is switched from a first preset voltage to a second preset voltage; acquiring a second correspondence between a source-drain current of the preset drive transistor and time within a second preset time after the voltage of the preset drive transistor is switched from a third preset voltage to the second preset voltage; and acquiring a first image sticking test curve of the array substrate according to the first correspondence, the second correspondence and an image sticking evaluation formula, where the first image sticking test curve is a correspondence between time and an image sticking evaluation value.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Applicant: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang ZHAO, Zhe DU, Shuang GUO, Xun LIU, Zidong GUO
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Publication number: 20220130311Abstract: A driving method for driving a pixel circuit. The pixel circuit includes a driving transistor, a data-writing transistor, a compensating transistor, a first initializing transistor, a second initializing transistor and a light-emitting element. The compensating transistor is connected between a gate of the driving transistor and a second pole of the driving transistor. The second pole of the driving transistor is connected to an initialization power supply through the first initializing transistor. The data-writing transistor is connected between a data voltage input terminal and a first pole of the driving transistor. The second initializing transistor is connected between a first signal terminal and a first pole of the driving transistor; and the light-emitting element is connected between the second pole of the driving transistor and a second power voltage input terminal.Type: ApplicationFiled: January 5, 2022Publication date: April 28, 2022Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Dongfang ZHAO, Yang SHEN, Zidong GUO, Haofeng ZHANG, Zhe DU, Junfeng LI, Yong GE