Patents by Inventor Xuefei QIN
Xuefei QIN 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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Patent number: 11927878Abstract: Provided is a projection screen. The projection screen includes a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes. A method for manufacturing a projection screen, a projection display system, and a projection display method are also provided.Type: GrantFiled: June 9, 2021Date of Patent: March 12, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Xuefei Qin, Junning Su
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Patent number: 11789313Abstract: A backlight module and a display device, including a back panel, a first middle frame, and a film layer. The film layer includes a first side, a second side, a third side, a fourth side. Hanging holes are at edges of the film layer. Hanging elements corresponding to hanging holes are on the back panel. The hanging element is connected to the film layer via hanging hole. Among hanging holes and hanging elements on the first side, from the third side to the fourth side, first gaps between sidewalls of hanging elements away from the fourth side and sidewalls of hanging holes away from the fourth side increase; among hanging hole and hanging element on the third side, from the first side to the second side, a first gap between sidewall of hanging element away from the second side and sidewall of hanging hole away from the second side increases.Type: GrantFiled: January 11, 2021Date of Patent: October 17, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guangyun Tong, Xu Chen, Yu Zhang, Bochang Wang, Xuefei Qin
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Patent number: 11782314Abstract: The embodiments of the invention provide a backlight module, a display panel and a display device. The backlight module includes two sets of lamp bars arranged side by side, a first backlight driving module, a second backlight driving module, a plurality of first transfer circuit boards, a plurality of second transfer circuit boards, a plurality of first connection lines and a plurality of second connection lines. A plurality of first lamp bar units in the first set of lamp bars are coupled to the first transfer circuit board, and in turn coupled to the first backlight driving module through first connection lines. A plurality of second lamp bar units in the second set of lamp bars are coupled to the second transfer circuit board, and coupled to the second backlight driving module through second connection lines. Each first connection line is the same as the corresponding second connection line.Type: GrantFiled: March 9, 2021Date of Patent: October 10, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyun Tong, Xu Chen, Xuefei Qin, Yu Zhang
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Patent number: 11774670Abstract: The present disclosure provides a display panel, a method for manufacturing a display panel and a display device. The display panel includes a back frame, a backlight module and a panel, where the backlight module and the panel are arranged in the back frame, the back frame includes a back plate, and the back plate is provided with a hollow-out area. The backlight module is arranged between the back plate and the panel and includes a light transmissive area and a light emitting area, and the light transmissive area corresponds to the hollow-out area. The panel is arranged on a side of the backlight module away from the back plate, and includes a display area and a transparent area, where the display area corresponds to the light emitting area, and the transparent area corresponds to the light transmissive area.Type: GrantFiled: February 2, 2021Date of Patent: October 3, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuefei Qin, Guangyun Tong, Yu Zhang, Bochang Wang
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Patent number: 11720214Abstract: Provides is a touch panel. The touch panel includes: a first electrode layer, a photosensitive layer, and a second electrode layer that are laminated, wherein the photosensitive layer is insulated from the first electrode layer and the second electrode layer, and the first electrode layer, the photosensitive layer, and the second electrode layer are capable of forming a plurality of touch units arranged in an array. The photosensitive layer is configured to generate a dielectric constant change at a position under irradiation by light from a line light source.Type: GrantFiled: January 18, 2022Date of Patent: August 8, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Liang Bo, Xuefei Qin
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Publication number: 20230246145Abstract: A light-emitting panel, a method for fabricating a light-emitting panel, and a display device are provided in embodiments of the present application. The light-emitting panel includes: a substrate, and a plurality of light-emitting elements, a reflective layer and a protective layer that are disposed at a side of the substrate, wherein the reflective layer is located between the substrate and the protective layer; and wherein both the protective layer and the reflective layer are provided with openings, the substrate includes bonding points within the openings, and the light-emitting elements are electrically connected to the bonding points.Type: ApplicationFiled: April 15, 2022Publication date: August 3, 2023Applicant: Shanghai Tianma Microelectronics Co., Ltd.Inventor: Xuefei QIN
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Patent number: 11714303Abstract: A display device is disclosed, which includes a display screen and a dimming screen which are arranged in a stacked manner, a backlight module on a side of the dimming screen away from the display screen, and a circuit board module on a side of the backlight module away from the dimming screen. The circuit board module includes a first control circuit board on the side of the backlight module away from the dimming screen and a second control circuit board on a side of the first control circuit board away from the backlight module, the first control circuit board is electrically connected with the dimming screen through a first Chip On Film and the second control circuit board is electrically connected with the display screen through a second Chip On Film. The circuit board module further includes a first support frame and a second support frame.Type: GrantFiled: October 27, 2021Date of Patent: August 1, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhuolong Li, Yu Zhang, Guangyun Tong, Liang Bo, Miao Liu, Xuefei Qin
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Publication number: 20230215850Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a base substrate, and a plurality of driving transistors and a plurality of light-emitting elements. One driving transistor is electrically connected to at least one light-emitting element. The plurality of light-emitting elements are arranged in an array to form one or more light-emitting element rows along a first direction and to form one or more light-emitting element columns along a second direction. In a direction parallel to a plane of the base substrate, the first direction intersects the second direction. In the direction parallel to the plane of the base substrate, a quantity of driving transistors adjacent to one light-emitting element is A, where A<2 and A is an integer.Type: ApplicationFiled: March 25, 2022Publication date: July 6, 2023Inventors: Yimiao DING, Yang NAN, Xuefei QIN, Lihua WANG
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Publication number: 20230004045Abstract: A backlight module and a display device, including a back panel, a first middle frame, and a film layer. The film layer includes a first side, a second side, a third side, a fourth side. Hanging holes are at edges of the film layer. Hanging elements corresponding to hanging holes are on the back panel. The hanging element is connected to the film layer via hanging hole. Among hanging holes and hanging elements on the first side, from the third side to the fourth side, first gaps between sidewalls of hanging elements away from the fourth side and sidewalls of hanging holes away from the fourth side increase; among hanging hole and hanging element on the third side, from the first side to the second side, a first gap between sidewall of hanging element away from the second side and sidewall of hanging hole away from the second side increases.Type: ApplicationFiled: January 11, 2021Publication date: January 5, 2023Inventors: Guangyun TONG, Xu CHEN, Yu ZHANG, Bochang WANG, Xuefei QIN
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Publication number: 20220413375Abstract: Provided is a projection screen. The projection screen includes a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes. A method for manufacturing a projection screen, a projection display system, and a projection display method are also provided.Type: ApplicationFiled: June 9, 2021Publication date: December 29, 2022Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Xuefei Qin, Junning Su
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Publication number: 20220357504Abstract: The present disclosure provides a display panel, a method for manufacturing a display panel and a display device. The display panel includes a back frame, a backlight module and a panel, where the backlight module and the panel are arranged in the back frame, the back frame includes a back plate, and the back plate is provided with a hollow-out area. The backlight module is arranged between the back plate and the panel and includes a light transmissive area and a light emitting area, and the light transmissive area corresponds to the hollow-out area. The panel is arranged on a side of the backlight module away from the back plate, and includes a display area and a transparent area, where the display area corresponds to the light emitting area, and the transparent area corresponds to the light transmissive area.Type: ApplicationFiled: February 2, 2021Publication date: November 10, 2022Inventors: Xuefei QIN, Guangyun TONG, Yu ZHANG, Bochang WANG
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Publication number: 20220326573Abstract: The embodiments of the invention provide a backlight module, a display panel and a display device. The backlight module includes two sets of lamp bars arranged side by side, a first backlight driving module, a second backlight driving module, a plurality of first transfer circuit boards, a plurality of second transfer circuit boards, a plurality of first connection lines and a plurality of second connection lines. A plurality of first lamp bar units in the first set of lamp bars are coupled to the first transfer circuit board, and in turn coupled to the first backlight driving module through first connection lines. A plurality of second lamp bar units in the second set of lamp bars are coupled to the second transfer circuit board, and coupled to the second backlight driving module through second connection lines. Each first connection line is the same as the corresponding second connection line.Type: ApplicationFiled: March 9, 2021Publication date: October 13, 2022Inventors: Guangyun TONG, Xu CHEN, Xuefei QIN, Yu ZHANG
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Publication number: 20220291537Abstract: A display device is disclosed, which includes a display screen and a dimming screen which are arranged in a stacked manner, a backlight module on a side of the dimming screen away from the display screen, and a circuit board module on a side of the backlight module away from the dimming screen. The circuit board module includes a first control circuit board on the side of the backlight module away from the dimming screen and a second control circuit board on a side of the first control circuit board away from the backlight module, the first control circuit board is electrically connected with the dimming screen through a first Chip On Film and the second control circuit board is electrically connected with the display screen through a second Chip On Film. The circuit board module further includes a first support frame and a second support frame.Type: ApplicationFiled: October 27, 2021Publication date: September 15, 2022Inventors: Zhuolong LI, Yu ZHANG, Guangyun TONG, Liang BO, Miao LIU, Xuefei QIN
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Publication number: 20220269373Abstract: Provides is a touch panel. The touch panel includes: a first electrode layer, a photosensitive layer, and a second electrode layer that are laminated, wherein the photosensitive layer is insulated from the first electrode layer and the second electrode layer, and the first electrode layer, the photosensitive layer, and the second electrode layer are capable of forming a plurality of touch units arranged in an array. The photosensitive layer is configured to generate a dielectric constant change at a position under irradiation by light from a line light source.Type: ApplicationFiled: January 18, 2022Publication date: August 25, 2022Inventors: Guangyun TONG, Yu ZHANG, Zhuolong LI, Liang BO, Xuefei QIN