Patents by Inventor YINGWEI LIU

YINGWEI LIU 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).

  • Patent number: 11581461
    Abstract: A display substrate includes a drive substrate and a welding pad provided on the drive substrate and electrically connected with the drive substrate. The display substrate further includes an insulating construction layer provided on the welding pad. The insulating construction layer is provided with a groove for exposing the welding pad. A bonding material is accommodated in the groove, and a micro light emitting diode is electrically connected with the welding pad through the bonding material.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: February 14, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhiwei Liang, Wenqian Luo, Yingwei Liu, Zhanfeng Cao, Ke Wang
  • Publication number: 20230043951
    Abstract: An array substrate and a manufacturing method therefor, a display panel, and a backlight module, are provided. The array substrate may comprise a base substrate, a metal wiring layer, a first planarization layer, an electrode layer, a second planarization layer, and a functional device layer stacked in sequence. The electrode layer comprises a metal sub-layer and a conductive sub-layer stacked on one side of the base substrate in sequence; the material of the metal sub-layer comprises a metal or a metal alloy; the conductive sub-layer has an oxidation resistance and covers the metal sub-layer . The functional device layer is disposed on the side of the second planarization layer distant from the base substrate, and comprises a plurality of functional devices electrically connected to the electrode layer.
    Type: Application
    Filed: August 31, 2021
    Publication date: February 9, 2023
    Inventors: Ke WANG, Zhanfeng CAO, Xinhong LU, Qi QI, Yan QU, Zhiwei LIANG, Yingwei LIU, Dapeng XUE, Guoqiang WANG, Jianguo WANG, Song LIU, Yongfei LI, Ting ZENG, Huan LIU, Wanru DONG, Heren GUI, Jian YANG, Haifeng HU, Yu JIANG, Peng XU, Weiwei CHU, Qi GAO
  • Publication number: 20220406749
    Abstract: Disclosed are an electrical connection method for an electronic element, and a backlight module, a display panel, and a display apparatus which include an electronic element to which the electrical connection method is applied. The electrical connection method comprises: providing a driving back plane, wherein the driving back plane comprises multiple contact electrodes; forming an anti-oxidation protection film on the contact electrodes; coating a position of the anti-oxidation protection film corresponding to each contact electrode with a binding material; and transferring multiple electronic elements to the positions of the corresponding contact electrodes, binding each electronic element to the corresponding contact electrode, and removing the anti-oxidation protection film at the position of each contact electrode before completing the binding of each electronic element to the corresponding contact electrode.
    Type: Application
    Filed: February 28, 2020
    Publication date: December 22, 2022
    Inventors: Zhanfeng CAO, Jiushi WANG, Ke WANG, Guocai ZHANG, Junwei YAN, Yingwei LIU, Haitao HUANG, Guangcai YUAN
  • Publication number: 20220375966
    Abstract: An array substrate includes a base substrate, a driving circuit layer, and a functional device layer which are sequentially stacked; the driving circuit layer is provided with first driving circuits, and each first driving circuit at least comprises a driving transistor; and the driving circuit layer comprises a first gate layer, a first gate insulation layer, a semiconductor layer, a second gate insulation layer, a second gate layer, an interlayer dielectric layer, and a source-drain metal layer which are sequentially stacked on one side of the base substrate.
    Type: Application
    Filed: May 18, 2021
    Publication date: November 24, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xue DONG, Guangcai YUAN, Ce NING, Zhiwei LIANG, Feng GUAN, Zhaohui QIANG, Yingwei LIU, Ke WANG, Zhanfeng CAO
  • Patent number: 11502153
    Abstract: 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: Grant
    Filed: March 26, 2019
    Date of Patent: November 15, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Renquan Gu, Qi Yao, Jaiil Ryu, Zhiwei Liang, Yingwei Liu, Wusheng Li, Muxin Di
  • Patent number: 11495718
    Abstract: The present disclosure provides a driving substrate, a method for preparing the same, and a flexible display device. The driving substrate includes: a base substrate; a first driving function layer arranged on a first surface of the base substrate, the first driving function layer including a plurality of driving thin film transistors and a plurality of signal wirings, and at least one of the plurality of signal wirings being of a single-layer structure and having a thickness greater than a threshold; a pad layer arranged on a surface of the first driving function layer away from the base substrate, the pad layer including a plurality of first pads and a plurality of second pads, and each first pad being connected to a first electrode of the corresponding driving thin film transistor and each second pad being connected to a common electrode line in the plurality of signal wirings.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: November 8, 2022
    Assignee: Beijing Boe Technology Development Co., Ltd.
    Inventors: Zhanfeng Cao, Yingwei Liu, Ke Wang, Dongni Liu, Minghua Xuan, Guangcai Yuan, Lei Chen, Xue Dong
  • Patent number: 11488987
    Abstract: The disclosure relates to the technical field of display devices and discloses a display substrate, a splicing screen and a manufacturing method thereof. The display substrate includes a flexible substrate; a plurality of signal lines located at one side of the flexible substrate; a plurality of plating electrodes located at one side of the signal lines toward the flexible substrate and electrically connected to the signal lines in one-to-one correspondence; a plurality of first through holes in one-to-one correspondence to the plating electrodes and penetrating the flexible substrate and exposing the plating electrodes, the first through roles being filled with a conductive material inside; and a plurality of binding electrodes located at one side of the flexible substrate away from the signal lines and in one-to-one correspondence to the first through holes, the binding electrodes being electrically connected to corresponding plating electrode through conductive material in corresponding first through hole.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: November 1, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Yingwei Liu, Shuang Liang, Zhiwei Liang, Muxin Di, Ke Wang, Zhanfeng Cao
  • Publication number: 20220302177
    Abstract: A substrate includes: a base substrate; an organic layer on the base substrate with openings defined through the organic layer; a first metal layer including first metal patterns, where the first metal pattern is in the opening, and includes a first portion parallel to a bottom of the opening and a second portion parallel to a lateral wall of the opening; a second metal layer having a thickness greater than a thickness of the first metal layer; where the second metal layer includes second metal patterns, the second metal pattern is located in the opening and is in contact with the first metal layer; and, a distance from a surface of the first metal layer away from the base substrate to a plane where the base substrate is located is smaller than a distance from a surface of the organic layer away from the base substrate to the plane.
    Type: Application
    Filed: December 14, 2021
    Publication date: September 22, 2022
    Inventors: Yingwei LIU, Zhanfeng CAO, Ke WANG, Guocai ZHANG, Junwei YAN
  • Patent number: 11424232
    Abstract: Provided are a display structure and a preparation method thereof, and a display apparatus. The display structure includes a flexible back plate and a display substrate which are stacked, the flexible back plate including a bonding electrode for bonding to an integrated circuit chip, and the flexible back plate being bent to form a bent portion on which the bonding electrode is located.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: August 23, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yingwei Liu, Ke Wang, Zhiwei Liang, Muxin Di, Zhanfeng Cao, Shuang Liang, Guangcai Yuan, Qi Yao, Dongni Liu
  • Publication number: 20220262891
    Abstract: Disclosed are a connecting substrate and a fabrication method, a splicing screen, and a display apparatus. The connecting substrate has panel areas (10) and connecting areas (30) connecting every two adjacent panel areas (10), each panel area including a display area (20) surrounded by the connecting areas (30). The connecting substrate includes, in connecting area: a base (101); connecting wirings (102) on the base (101); an insulating layer (103) covering the plurality of connecting wirings (102) and defining a groove (106) for accommodating a display panel (107) to be spliced; through holes (105) penetrating the insulating layer (103); and connecting electrodes (104) respectively provided in the through holes (105) and coupled to the connecting wirings (102) in one-to-one correspondence. The connecting electrodes (104) are coupled to first pads (P1) on light-emitting surface of the display panel (107) to be spliced in one-to-one correspondence.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 18, 2022
    Inventors: Shuang LIANG, Muxin DI, Zhiwei LIANG, Ke WANG, Zhanfeng CAO, Yingwei LIU
  • Publication number: 20220236005
    Abstract: The present disclosure provides an air drying device including: a base including opposing top and bottom portions, the top portion including at least one first bearing surface; and at least one bearing plate disposed at the top portion of the base. The bearing plate includes a second bearing surface, and the first bearing surface is inclined relative to the second bearing surface.
    Type: Application
    Filed: September 14, 2021
    Publication date: July 28, 2022
    Inventors: Guocai ZHANG, Junwei YAN, Shaodong SUN, Shihao DONG, Yingwei LIU, Zhanfeng CAO, Guangcai YUAN
  • Publication number: 20220223775
    Abstract: A method of manufacturing a driving backplane for display includes: forming a first conductive pattern layer including first conductive lines on a base; and forming a second conductive pattern layer including electrode groups and second conductive lines on a side of the first conductive pattern layer away from the base. The first conductive lines and the second conductive lines cross and are insulated from each other; an electrode group includes a first electrode and a second electrode electrically connected to a corresponding second conductive line. Orthogonal projections, on the base, of the first electrode and a corresponding first conductive line have an overlapping region, and a portion of the first electrode, whose orthogonal projection on the base is located in the overlapping region, is in contact with a portion of the first conductive line, whose orthogonal projection on the base is located in the overlapping region.
    Type: Application
    Filed: November 4, 2020
    Publication date: July 14, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingwei LIU, Zhanfeng CAO, Zhiwei LIANG, Ke WANG, Muxin DI, Shuang LIANG, Yankai GAO
  • Patent number: 11387291
    Abstract: Disclosed herein is a photoelectric sensor, display panel and their manufacturing method. The photoelectric sensor may comprise a photodeformable unit and a piezoelectric unit in contact with the photodeformable unit.
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: July 12, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shuang Liang, Yingwei Liu, Zhanfeng Cao, Zhiwei Liang, Muxin Di
  • Patent number: 11386837
    Abstract: 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: Grant
    Filed: March 20, 2020
    Date of Patent: July 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Renquan Gu, Qi Yao, Jaiil Ryu, Yingwei Liu, Zhiwei Liang, Muxin Di, Wusheng Li
  • Publication number: 20220199650
    Abstract: An array substrate including a display area having a plurality of subpixels is provided. The plurality of subpixels includes a plurality of first subpixels in a display-bonding sub-area and a plurality of second subpixels in a regular display sub-area. The array substrate includes a plurality of thin film transistors on a first side of the base substrate and respectively in the plurality of subpixels. A respective one of the plurality of first subpixels includes a bonding pad on a second side of a base substrate; a lead line electrically connecting a respective one of a plurality of thin film transistors to the bonding pad; and a via extending through the base substrate. The lead line is unexposed in the array substrate. The lead line extends from the first side to the second side of the base substrate through the via, to connect to the bonding pad.
    Type: Application
    Filed: March 24, 2020
    Publication date: June 23, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Ke Wang, Muxin Di, Zhiwei Liang, Guoqiang Wang, Renquan Gu, Xiaoxin Song, Xiaoyan Zhu, Yingwei Liu, Zhanfeng Cao
  • Publication number: 20220199862
    Abstract: Embodiments of the present disclosure provide an intermediate substrate, including: a first substrate; a black photoresist layer on a side of the first substrate; and a plurality of light emitting devices on a side of the black photoresist layer away from the first substrate. Each of the plurality of light emitting devices has a light-exiting side for emergence of light emitted by the light emitting device, the light-exiting side is in contact with the black photoresist layer, and the light emitting device includes a driving electrode for introducing a driving signal.
    Type: Application
    Filed: May 28, 2020
    Publication date: June 23, 2022
    Inventors: Zhiwei LIANG, Yingwei LIU, Guoqiang WANG, Muxin DI, Ke WANG, Hsuanwei MAI, Zhanfeng CAO
  • Patent number: 11367740
    Abstract: The present disclosure provides an array substrate, a manufacturing method thereof, a flexible display panel, and a display device, all for achieving a frame-free full-screen flexible display product. The array substrate provided in the present disclosure comprises a flexible base substrate, a thin film transistor on a first surface of the flexible base substrate, and a wiring terminal for transmitting a signal to an electrode of the thin film transistor on a second surface of the flexible base substrate opposite to the first surface. The electrode of the thin film transistor is electrically connected to the wiring terminal through a via hole penetrating the flexible base substrate.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: June 21, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qi Yao, Yingwei Liu
  • Patent number: 11342480
    Abstract: The present disclosure provides a detection device for Micro-LED and a method manufacturing thereof, and a detection apparatus for Micro-LED, and the detection device for Micro-LED comprises: a substrate, and a first via and a second via penetrating through the substrate; the substrate comprises a first surface and a second surface which are opposite to each other; the first via and the second via are respectively arranged corresponding to a first pole and a second pole of a Micro-LED to be detected, and the detection device for Micro-LED further comprises: a first detection component and a second detection component on the first surface of the substrate.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwei Liang, Wenqian Luo, Shibo Jiao, Feng Wang, Yingwei Liu
  • Patent number: 11335712
    Abstract: An array substrate is provided. The array substrate includes a base substrate; a first bonding pad layer including a plurality of first bonding pads on a first side of the base substrate; a second bonding pad layer including a plurality of second bonding pads on a second side of the base substrate, wherein the second side is opposite to the first side; and a plurality of signal lines on a side of the second bonding pad layer away from the base substrate. A respective one of the plurality of second bonding pads extends through the base substrate to electrically connect to a respective one of the plurality of first bonding pads. The respective one of the plurality of first bonding pads includes a protruding portion protruding away from the first side of the base substrate along a direction from the second side to the first side.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhiwei Liang, Muxin Di, Ke Wang, Yingwei Liu, Xiaoyan Zhu, Zhanfeng Cao, Guangcai Yuan
  • Publication number: 20220123024
    Abstract: An array substrate, a method for preparing the array substrate, and a backlight module are disclosed. Before electroplating a first metal layer on a pattern of a seed layer, the method further includes: forming a pattern of a compensation electrode wire electrically connected with a lead electrode on a side, where the lead electrode is formed, of a base substrate. The compensation electrode wire is at least on a second side of a wiring region, the pattern of the lead electrode is formed at a first side of the wiring region, and the first side and the second side are different sides. In the electroplating process, the lead electrode is connected with a negative pole of a power supply, the compensation electrode wire is electrically connected with the lead electrode, thus an area of an electroplating negative pole generating electric field lines is increased by utilizing the compensation electrode wire.
    Type: Application
    Filed: January 3, 2020
    Publication date: April 21, 2022
    Inventors: Zhanfeng CAO, Yingwei LIU, Ke WANG, Guocai ZHANG, Jianguo WANG, Zhiwei LIANG, Haixu LI, Muxin DI