Patents by Inventor Wusheng Li
Wusheng Li 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: 20210366966Abstract: A photosensitive sensor, a preparation method thereof, and an electronic device, wherein the photosensitive sensor includes a substrate, the substrate having a sensing area, a plurality of regularly arranged sensing units being provided in the sensing area, a shielding layer being provided on a side of the sensing units away from the substrate, the shielding layer covering the sensing area, a material of the shielding layer being a transparent conductive material, and the shielding layer being connected with a constant voltage signal terminal.Type: ApplicationFiled: March 15, 2021Publication date: November 25, 2021Inventors: Shipei LI, Lizhen ZHANG, Sheng XU, Wei HE, Huili WU, Xuefei ZHAO, Fang HE, Yi ZHOU, Ying ZHAO, Wusheng LI, Qi YAO
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Publication number: 20210288081Abstract: A display panel and a display device are provided that relate to the field of display technology. The display panel includes a first signal line having a first and a second sub-portions; at least one insulating layer disposed on the first signal line; and a second signal line having a third and a fourth sub-portions disposed on the insulating layer. The second sub-portion and the fourth sub-portion have an overlapping part therebetween, the first sub-portion and the third sub-portion do not overlap each other, the second sub-portion has a varying line width, and at least one edge of the second sub-portion is extended away from a straight line connecting two vertices of the edge so that a distance D between and the straight line and a first point of the edge extending farthest from the straight line is in the range of 0.05 ?m to 0.8 ?m.Type: ApplicationFiled: June 3, 2021Publication date: September 16, 2021Inventor: Wusheng LI
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Patent number: 11114630Abstract: A display panel is provided, including a substrate on a base, a transistor stack on the substrate, and a fluorescent layer between the base and the transistor stack. The fluorescent layer is configured to prevent light from damaging an active layer in the transistor stack in a laser lift-off process, and an orthographic projection of the fluorescent layer on the base overlaps an orthographic projection of the active layer on the base. A display device comprising the display panel, and a manufacturing method of the display panel are further provided.Type: GrantFiled: October 10, 2019Date of Patent: September 7, 2021Assignee: BOE Technology Group Co., Ltd.Inventors: Shipei Li, Qi Yao, Wusheng Li, Jiangnan Lu, Huili Wu, Fang He, Renquan Gu, Dongsheng Yin, Sheng Xu, Wei He
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Publication number: 20210264852Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a base substrate structure and a display structure on the base substrate structure, the display structure includes a plurality of light emitting units and is divided into multiple light-transmissive regions and multiple opaque regions; and a driving circuit for driving the display structure to display and comprising a pixel driving circuit between the base substrate structure and the display structure, and a peripheral circuit driving the pixel driving circuit and arranged on a side of the base substrate structure distal to the display structure and in the opaque regions, and the peripheral circuit is coupled to the pixel driving circuit through at least one through hole formed in the base substrate structure. The display substrate can realize frameless display, which is beneficial to realize seamless splicing display of a plurality of display substrates.Type: ApplicationFiled: March 20, 2020Publication date: August 26, 2021Inventors: Renquan GU, Qi YAO, Jaiil RYU, Yingwei LIU, Zhiwei LIANG, Muxin DI, Wusheng LI
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Publication number: 20210234137Abstract: The present disclosure relates to a method of fabricating a flexible display panel. The method of fabricating the flexible display panel may include forming a photosensitive layer comprising at least one azo group on a carrier substrate; forming a flexible substrate on the photosensitive layer; irradiating the photosensitive layer with ultraviolet light; and peeling off the flexible substrate from the carrier substrate.Type: ApplicationFiled: October 8, 2019Publication date: July 29, 2021Applicant: BOE Technology Group Co., Ltd.Inventors: Wei HE, Huili WU, Shipei LI, Dongsheng LI, Fang HE, Renquan GU, Sheng XU, Dongsheng YIN, Wusheng LI, Qi YAO
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Publication number: 20210225877Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display device. In the display substrate of the present disclosure, a first transistor comprises a first gate electrode, a first electrode, a second electrode, and a first active layer; and a second transistor comprises a second gate electrode, a third electrode, a fourth electrode, and a second active layers, wherein the first active layer comprises a silicon material, the second active layer comprises an oxide semiconductor material, and wherein the third electrode and the first gate electrode are disposed in the same layer, and the fourth electrode and the first electrode, the second electrodes are disposed in the same layer.Type: ApplicationFiled: December 19, 2019Publication date: July 22, 2021Inventors: Yanan NIU, Kuanjun PENG, Jiushi WANG, Zhanfeng CAO, Feng ZHANG, Qi YAO, Wusheng LI, Feng GUAN, Lei CHEN, Jintao PENG, Tingting ZHOU
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Publication number: 20210225679Abstract: A transfer printing method and a transfer printing apparatus. The transfer method includes: transferring a plurality of devices formed on an original substrate to a transfer substrate obtaining first position information of positions of the plurality of devices on the transfer substrate; obtaining second position information of corresponding positions, on a target substrate, of devices to be transferred; comparing the first position information with the second position information to obtain first target position information recording a first transfer position; and aligning the transfer substrate with the target substrate and performing a site-designated laser irradiation on at least part of devices on the transfer substrate corresponding to the first transfer position, simultaneously, according to the first target position information, so as to transfer the at least part of the devices from the transfer substrate to the target substrate.Type: ApplicationFiled: March 19, 2019Publication date: July 22, 2021Inventors: Xinglong LUAN, Jing FENG, Fuqiang LI, Zhichong WANG, Peng LIU, Wusheng LI, Chunjing LIU
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Publication number: 20210225975Abstract: A display substrate is provided. The display substrate includes a substrate (1), a first transistor (2) and a second transistor (3) on the substrate (1), directions of intrinsic threshold voltage shifts of the first transistor (2) and the second transistor (3) being opposite; and a shift adjustment structure (4) on the substrate (1). The shift adjustment structure (4) may be configured to input adjustment signals to the first transistor (2) and the second transistor (3) respectively to make threshold voltages of the first transistor (2) and the second transistor (3) shift in directions opposite to the directions of their intrinsic threshold voltage shifts respectively.Type: ApplicationFiled: November 26, 2019Publication date: July 22, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanan Niu, Jiushi Wang, Zhanfeng Cao, Qi Yao, Feng Zhang, Wusheng Li, Feng Guan, Lei Chen, Hongwei Tian
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Publication number: 20210217837Abstract: An array substrate and a manufacturing method thereof, a display device and a manufacturing method thereof are provided, which belong to the technical field of display. The array substrate includes: an interposer substrate, a thin-film transistor disposed on one side of the interposer substrate, and a bonding connection line embedded in the other side of the interposer substrate. The bonding connection line is configured to be connected to a drive circuit. An interposer via hole is arranged on the interposer substrate. A conductive structure is arranged in the interposer via hole. The thin-film transistor is electrically connected to the bonding connection line by the conductive structure.Type: ApplicationFiled: March 26, 2019Publication date: July 15, 2021Inventors: Renquan Gu, Qi Yao, Jaiil Ryu, Zhiwei Liang, Yingwei Liu, Wusheng Li, Muxin Di
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Publication number: 20210159363Abstract: A drive backboard, a manufacturing method thereof, a display panel and a display device are provided. The drive backboard includes a plurality of pixel units and a plurality of spare electrode groups. Each pixel unit includes m subpixel units, and m is a positive integer greater than or equal to 2. Each spare electrode group includes two first spare electrodes and one second spare electrode; two adjacent ith subpixel units respectively use one first spare electrode in each spare electrode group and share one second spare electrode in each spare electrode group, where i is a positive integer from 1 to m.Type: ApplicationFiled: March 19, 2020Publication date: May 27, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Sheng XU, Huili WU, Lizhen ZHANG, Wei HE, Xuefei ZHAO, Shipei LI, Fang HE, Dongsheng YIN, Renquan GU, Wusheng LI, Qi YAO
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Patent number: 10923508Abstract: The disclosure relates to an array substrate and a manufacturing method therefor, a display panel, and a display device. The array substrate comprises a base substrate, and a lead-out line and an inorganic insulating layer which are located on one side of the base substrate; the base substrate is provided with a plurality of connection vias penetrating the base substrate and filled with a first conductive material; the inorganic insulating layer is provided with a first via and a second via, the first via penetrating to the first conductive material, and the second via penetrating to the lead-out line; a second conductive layer is disposed on the side, away from the base substrate, of the first via, the second via and the inorganic insulating layer, such that the first conductive material and the lead-out line are electrically connected through the second conductive layer.Type: GrantFiled: April 30, 2019Date of Patent: February 16, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Renquan Gu, Qi Yao, Wusheng Li, Dongsheng Li, Huili Wu, Shipei Li, Dongsheng Yin, Fang He, Yang Yue
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Patent number: 10818732Abstract: A photosensitive sensor and a method of manufacturing the photosensitive sensor are disclosed. The photosensitive sensor includes a thin film transistor and a photosensitive element on a substrate, wherein the photosensitive element includes a first electrode, a second electrode, and a photosensitive layer between the first electrode and the second electrode. The second electrode is connected to a drain electrode of the thin film transistor. An orthographic projection of an active layer of the thin film transistor on the substrate is within an orthographic projection of the second electrode on the substrate. The second electrode includes at least two stacked conductive layers, at least one of the at least two stacked conductive layers being a light shielding metal layer.Type: GrantFiled: September 17, 2019Date of Patent: October 27, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shipei Li, Wusheng Li, Qi Yao, Dongsheng Li, Fang He, Huili Wu, Renquan Gu, Sheng Xu, Wei He, Dongsheng Yin, Ying Zhao
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Publication number: 20200313037Abstract: A patterning method of a quantum dot layer, a quantum dot layer pattern, a quantum dot device, a manufacturing method of the quantum dot device, and a display apparatus are provided, The patterning method of the quantum dot layer includes: forming a quantum dot layer, in which the quantum dot layer includes quantum dots and a photoinitiator; irradiating a preset portion of the quantum dot layer by light having a preset wavelength to quench the quantum dots in the preset portion and form a patterned quantum dot layer.Type: ApplicationFiled: October 14, 2019Publication date: October 1, 2020Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei HE, Xiang LI, Huili WU, Shipei LI, Fang HE, Renquan GU, Sheng XU, Dongsheng YIN, Xuefei ZHAO, Lizhen ZHANG, Wusheng LI, Qi YAO
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Publication number: 20200235321Abstract: A display panel is provided, including a substrate on a base, a transistor stack on the substrate, and a fluorescent layer between the base and the transistor stack. The fluorescent layer is configured to prevent light from damaging an active layer in the transistor stack in a laser lift-off process, and an orthographic projection of the fluorescent layer on the base overlaps an orthographic projection of the active layer on the base. A display device comprising the display panel, and a manufacturing method of the display panel are further provided.Type: ApplicationFiled: October 10, 2019Publication date: July 23, 2020Inventors: Shipei LI, Qi YAO, Wusheng LI, Jiangnan LU, Huili WU, Fang HE, Renquan GU, Dongsheng YIN, Sheng XU, Wei HE
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Patent number: 10663855Abstract: The present disclosure relates to a photoetching parameter adjustment method, apparatus and mask plate, in the field of photoetching technology. The method comprises: forming a photoresist pattern on a first substrate by a photoetching process, wherein the photoresist pattern comprises a photoetching detection pattern; judging whether photoetching parameters of the photoetching process need to be adjusted or not in accordance with the photoetching detection pattern; and adjusting the photoetching parameters when the photoetching parameters need to be adjusted. The present disclosure solves the problem that the reliability of the photoetching parameters is low and improves the reliability of the photoetching parameters. The present disclosure is used for adjusting photoetching parameters.Type: GrantFiled: December 1, 2017Date of Patent: May 26, 2020Assignee: BOE Technology Group Co., Ltd.Inventors: Wusheng Li, Zhanfeng Cao
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Publication number: 20200142108Abstract: A grating structure, a manufacturing method thereof and a display device are provided. The method of manufacturing the grating structure includes: forming a photosensitive material layer on a substrate; patterning the photosensitive material layer to form a grating transition pattern, where the grating transition pattern includes multiple grating units, the multiple grating units each include a first portion and a second portion which are symmetric, and at least one of the first portion and the second portion includes multiple subunits to have a stepped structure; and curing the grating transition pattern to form the grating structure.Type: ApplicationFiled: October 22, 2019Publication date: May 7, 2020Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wusheng LI, Qi YAO
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Publication number: 20200105790Abstract: The disclosure relates to an array substrate and a manufacturing method therefor, a display panel, and a display device. The array substrate comprises a base substrate, and a lead-out line and an inorganic insulating layer which are located on one side of the base substrate; the base substrate is provided with a plurality of connection vias penetrating the base substrate and filled with a first conductive material; the inorganic insulating layer is provided with a first via and a second via, the first via penetrating to the first conductive material, and the second via penetrating to the lead-out line; a second conductive layer is disposed on the side, away from the base substrate, of the first via, the second via and the inorganic insulating layer, such that the first conductive material and the lead-out line are electrically connected through the second conductive layer.Type: ApplicationFiled: April 30, 2019Publication date: April 2, 2020Inventors: Renquan GU, Qi YAO, Wusheng LI, Dongsheng LI, Huili WU, Shipei LI, Dongsheng YIN, Fang HE, Yang YUE
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Publication number: 20200091246Abstract: A photosensitive sensor and a method of manufacturing the photosensitive sensor are disclosed. The photosensitive sensor includes a thin film transistor and a photosensitive element on a substrate, wherein the photosensitive element includes a first electrode, a second electrode, and a photosensitive layer between the first electrode and the second electrode. The second electrode is connected to a drain electrode of the thin film transistor. An orthographic projection of an active layer of the thin film transistor on the substrate is within an orthographic projection of the second electrode on the substrate. The second electrode includes at least two stacked conductive layers, at least one of the at least two stacked conductive layers being a light shielding metal layer.Type: ApplicationFiled: September 17, 2019Publication date: March 19, 2020Inventors: Shipei Li, Wusheng Li, Qi Yao, Dongsheng Li, Fang He, Huili Wu, Renquan Gu, Sheng Xu, Wei He, Dongsheng Yin, Ying Zhao
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Patent number: 10483129Abstract: The disclosure discloses a method for roughening a surface of a metal layer, a thin film transistor, and a method for fabricating the same. The method for roughening the surface of a metal layer includes: forming a first photo-resist layer on the surface of the metal layer, and processing the first photo-resist layer at high temperature; and stripping the first photo-resist layer to roughen the surface of the metal layer.Type: GrantFiled: September 27, 2017Date of Patent: November 19, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Jing Feng, Seung Jin Choi, Fangzhen Zhang, Wusheng Li, Zhijun Lv, Ce Ning, Jiushi Wang
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Patent number: 10467591Abstract: A system and a method for detecting a substrate and a manufacturing device are disclosed. The detection system includes: an emitting unit and a control unit; wherein the emitting unit provides a first reference light and a second reference light, the first reference light propagates to the control unit, the second reference light is modulated by the substrate to generate a test light, the test light propagates to the control unit; the control unit obtains and compares a power of the first reference light and a power of the test light so as to determine whether a foreign matter is present on a surface of the substrate. The detection system can prevent foreign matters such as photoresist from influencing other manufacturing devices such as cleaning and deposition devices, which is beneficial to the maintenance and service of the manufacturing devices.Type: GrantFiled: October 21, 2016Date of Patent: November 5, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wusheng Li, Zhengliang Li, Zhen Liu