Patents by Inventor Xiangdan Dong

Xiangdan Dong 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: 11765960
    Abstract: Disclosed are a display panel and a display device. The display panel comprises a driving backboard, a touch-control layer, a first inorganic layer and a first organic layer, wherein the driving backboard is provided with a display area and a peripheral area surrounding the display area, the peripheral area comprising a binding area; the touch-control layer comprises a first touch-control electrode layer, an insulating layer and a second touch-control electrode layer; the first inorganic layer and the first organic layer are arranged in the binding area, the first inorganic layer and the insulating layer of the touch-control layer are arranged on the same layer, the first organic layer and an organic layer of the display area are arranged on the same layer, the first organic layer is located on one side of the first inorganic layer that is away from the display area.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: September 19, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cong Fan, Fan He, Kemeng Tong, Xiangdan Dong
  • Publication number: 20230284505
    Abstract: Disclosed are a display panel and a display device, the display panel including: a substrate including a display area, a peripheral area and a welding area; at least one barrier in the peripheral area and surrounding the display area, the barrier including a single-sided barrier structure between the display area and the welding area; an organic insulating structure including sub-insulating structures, each sub-insulating structure having a first boundary located between the display area and the single-sided barrier structure, for any two adjacent sub-insulating structures, the first boundary of the sub-insulating structure on a side away from the substrate being closer to the display area than the first boundary of the sub-insulating structure on a side proximal to the substrate; a distance between first boundaries of any two adjacent sub-insulating structures is greater than or equal to 20 ?m; a touch electrode pattern; and a touch signal line.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 7, 2023
    Inventors: Bo ZHANG, Xiangdan DONG, Rong WANG, Jie GOU, Bo CHENG
  • Patent number: 11737318
    Abstract: A display panel and a manufacturing method thereof, and an alignment method are provided. The display panel includes a display substrate and a cover plate connected through an optical adhesive layer. The display substrate includes a plurality of light emitting elements, a pixel defining layer, and an encapsulation layer; the encapsulation layer includes a first inorganic encapsulation layer, a first organic encapsulation layer, and a second inorganic encapsulation layer; the display panel includes a display region and a frame region including a cutting region and a dam glue region where a dam glue is located; at least one of the plurality of cover plate alignment marks is between the dam glue and the display region and is overlapped with the second inorganic encapsulation layer, and at least one of the plurality of cover plate alignment marks is between the dam glue and the cutting region.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 22, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Cheng, Xiangdan Dong, Jun Yan, Fan He, Qi Liu, Hongwei Ma
  • Patent number: 11728228
    Abstract: A display substrate and a display apparatus are provided, the display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area; a plurality of sub-pixel units in the display area; a plurality of data lines in the display area and electrically coupled to the plurality of sub-pixel units; a plurality of data transmission lines in the peripheral area on at least one side of the display area and electrically coupled to the plurality of data lines; a plurality of first pads and a plurality of second pads located between the plurality of first pads and the plurality of data transmission lines; a plurality of third pads between the plurality of first pads and the plurality of second pads; and a plurality of multiplexers between the plurality of second pads and the plurality of third pads.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: August 15, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengmeng Du, Xiangdan Dong, Hongwei Ma, Biao Liu, Bo Zhang
  • Patent number: 11721282
    Abstract: A display substrate and a display device are provided.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: August 8, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Wei, Xiangdan Dong
  • Patent number: 11720216
    Abstract: A touch control structure having a plurality of first mesh electrodes and a plurality of second mesh electrodes is provided. The touch control structure is limited in a touch control region and absent in a window region. A window-crossing row of the plurality of first mesh electrodes includes a first mesh block and a second mesh block respectively on a first side and a second side of the window region; a first conductive plate directly connected to multiple mesh lines of the first mesh block; a second conductive plate directly connected to multiple mesh lines of the second mesh block; and a first conductive bridge connecting the first conductive plate and the second conductive plate. The first conductive plate, the second conductive plate, and the first conductive bridge are respectively around a first portion, a second portion, and a third portion of a periphery of the window region.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: August 8, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fan He, Cong Fan, Kemeng Tong, Hongwei Ma, Xiangdan Dong
  • Publication number: 20230237953
    Abstract: A display substrate and a display panel are provided. The display substrate includes a base substrate; the base substrate includes a display region and a peripheral region on at least one side of the display region; the peripheral region includes a first peripheral sub-region and a second peripheral sub-region, the display region includes a first display sub-region corresponding to the first peripheral sub-region and a second display sub-region corresponding to the second peripheral sub-region, and the second display sub-region is different from the first display sub-region; the second peripheral sub-region includes a first gate driving circuit, and the first gate driving circuit is configured to be connected to a plurality of gate scanning signal lines in the first display sub-region through a plurality of connecting lines in the display region, to respectively providing a gate scanning signal to a plurality of rows of pixel units in the first display sub-region.
    Type: Application
    Filed: May 21, 2021
    Publication date: July 27, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Donghui TIAN, Rong WANG, Xiangdan DONG, Mengmeng DU, Fan HE, Cong FAN, Yujing LI
  • Patent number: 11703978
    Abstract: A touch substrate and a touch display device are provided. The touch substrate includes a rounded-corner region, a touch-driving connection line connected with each first rounded-corner touch electrode, and a touch-sensing connection line connected with each second rounded-corner touch electrode, the touch-sensing connection line includes a first U-shaped bent portion and a first extension portion extending in a second direction, the first U-shaped bent portion includes a first bent portion, a second bent portion, and a first connection portion, the first bent portion is electrically connected with the second rounded-corner touch electrode, the second bent portion is connected with the first extension portion, and the first connection portion connects the first bent portion with the second bent portion, the first connection portion and the touch-driving connection line are arranged in different layers.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: July 18, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jun Yan, Lingran Wang, Xiangdan Dong, Bo Cheng, Fan He, Mengmeng Du, Bo Zhang
  • Publication number: 20230221823
    Abstract: A touch electrode structure and a manufacture method thereof, a touch panel, and an electronic device are provided. The touch electrode structure includes a first touch electrode and a second touch electrode, the first touch electrode and the second touch electrode intersect with each other to form a mutual capacitance for touch detection; the first touch electrode is longer than the second touch electrode; the first touch electrode includes a first hollow region, the second touch electrode includes a second hollow region, and a hollow area of the first touch electrode is greater than a hollow area of the second touch electrode; and the touch electrode structure further includes at least one first dummy electrode, the at least one first dummy electrode is within the first hollow region and is arranged in a same layer as at least part of the first touch electrode, and the at least one first dummy electrode and the at least part of the first touch electrode are insulated from each other.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 13, 2023
    Inventors: Xiaoqing SHU, Jiping ZHAO, Yunsheng XIAO, Xiangdan DONG, Fan HE, Zhengwei LUO
  • Patent number: 11696480
    Abstract: Disclosed are a display panel and a display device, the display panel including: a substrate including a display area, a peripheral area and a welding area; at least one barrier in the peripheral area and surrounding the display area, the barrier including a single-sided barrier structure between the display area and the welding area; an organic insulating structure including sub-insulating structures, each sub-insulating structure having a first boundary located between the display area and the single-sided barrier structure, for any two adjacent sub-insulating structures, the first boundary of the sub-insulating structure on a side away from the substrate being closer to the display area than the first boundary of the sub-insulating structure on a side proximal to the substrate; a distance between first boundaries of any two adjacent sub-insulating structures is greater than or equal to 20 ?m; a touch electrode pattern; and a touch signal line.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: July 4, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Zhang, Xiangdan Dong, Rong Wang, Jie Gou, Bo Cheng
  • Publication number: 20230209925
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a plurality of signal lines, a first power line, at least one first detection signal line and at least one second detection signal line. At a side close to a bending area and outside an area where an orthographic projection of the first power line on a substrate surface of the base substrate, orthographic projections of the at least one first detection signal line and the at least one second detection signal line on the substrate surface of the base substrate have no overlap with orthographic projections of the plurality of signal lines on the substrate surface of the base substrate. The display substrate can improve the antistatic capability of the second detection signal line and improve the product yield.
    Type: Application
    Filed: March 17, 2021
    Publication date: June 29, 2023
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cong FAN, Kemeng TONG, Fan HE, Xiangdan DONG, Yu WANG
  • Publication number: 20230195268
    Abstract: A touch structure, a touch display panel, and a display device are provided. The touch structure includes a substrate and a first metal grid electrode layer, an insulating layer, a second metal grid electrode layer on the substrate. The first metal grid electrode layer is located on a side of the second metal grid electrode layer away from the substrate; the first metal grid electrode layer includes a plurality of first metal grids formed by a plurality of first metal lines, the second metal grid electrode layer includes a plurality of second metal grids formed by a plurality of second metal lines, first portions of the plurality of the first metal lines and second portions of the plurality of the second metal lines have same line extension directions, respectively, and overlap with each other in a direction perpendicular to a surface of the substrate.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 22, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kemeng TONG, Cong FAN, Fan HE, Yu WANG, Xiangdan DONG, Jiangtao DENG
  • Publication number: 20230180521
    Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of sub-pixels, and a pixel drive circuit in the sub-pixel includes a drive transistor and a storage capacitor; the display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer which are sequentially disposed on a substrate; the semiconductor layer at least includes an active layer of a drive transistor; the first conductive layer at least includes a first electrode plate; and the second conductive layer at least includes a second electrode plate and an electrode plate connection line, wherein the electrode plate connection line is connected to a second electrode plate in an adjacent sub-pixel in a first direction.
    Type: Application
    Filed: November 26, 2020
    Publication date: June 8, 2023
    Inventors: Bo CHENG, Mengmeng DU, Jie GOU, Xiangdan DONG, Hongwei MA, Shuangbin YANG, Yujing LI, Zhenhua ZHANG
  • Patent number: 11656727
    Abstract: A touch electrode structure and a manufacture method thereof, a touch panel, and an electronic device are provided. The touch electrode structure includes a first touch electrode and a second touch electrode intersecting with each other to form a mutual capacitance for touch detection; the first touch electrode is longer than the second touch electrode; the first touch electrode includes a first hollow region, the second touch electrode includes a second hollow region, and a hollow area of the first touch electrode is greater than that of the second touch electrode; and the touch electrode structure further includes at least one first dummy electrode, which is within the first hollow region and is arranged in a same layer as at least part of the first touch electrode, and they are insulated from each other.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: May 23, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoqing Shu, Jiping Zhao, Yunsheng Xiao, Xiangdan Dong, Fan He, Zhengwei Luo
  • Publication number: 20230152920
    Abstract: A touch panel includes a carrier panel, a plurality of touch electrodes and a plurality of touch lines. The carrier panel has a bendable region and a non-bendable region. The plurality of touch electrodes and the plurality of touch lines are disposed on the carrier panel, and a touch electrode of the plurality of touch electrodes is electrically connected to one or more touch lines. A portion of at least one touch line located in the bendable region is a single-layer metal line, and at least a part of a portion of the at least one touch line located in the non-bendable region is a double-layer metal line.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 18, 2023
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fan HE, Xiangdan DONG, Hongwei MA, Jun YAN, Kemeng TONG, Cong FAN
  • Publication number: 20230145862
    Abstract: The present disclosure provides a display apparatus, a display panel, and a method of manufacturing a display panel. The display panel includes a base substrate, a conductive layer, an organic insulating structure, a first organic convex ring, and a cathode material layer. A first isolation trench for exposing the conductive layer is provided between the organic insulating structure and the first organic convex ring, and a ratio of a width of the first isolation trench to a maximum allowable fluctuation for a distance between an edge position of the cathode material layer and an edge of the organic insulating structure ranges from 0.025 to 0.218. According to embodiments of the present disclosure, when a distance between an edge of a cathode and an outer edge of a frame area is fixed, the maximum allowable fluctuation for the distance between the edge position of the cathode material layer and the edge of the organic insulating structure may be increased by reducing the width of the first isolation trench.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 11, 2023
    Inventors: Rong WANG, Bo ZHANG, Xiaoqing SHU, Xiangdan DONG, Fan HE
  • Publication number: 20230134605
    Abstract: Provided is a display panel, including a through hole, an isolation area, and a display area. The isolation area is around the through hole. The isolation area is between the through hole and the display area. The isolation area includes at least two graphic marks for detecting the hole accuracy of the through hole. The at least two graphic marks are spaced apart from each other around the through holes. Graphic marks are arranged in an isolation area of a display panel. The isolation area is between a through hole and a display area. That is, the graphic marks are around the through hole.
    Type: Application
    Filed: April 9, 2020
    Publication date: May 4, 2023
    Inventors: Zhiwen Chu, Xiangdan Dong, Yulong Wei
  • Publication number: 20230134900
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A first test signal line in a test circuit in the display substrate extends in a second direction, and a second test signal line includes a first part extending a the first direction and a second part extending in the second direction; a width of the second part of the second test signal line in a direction perpendicular to the second direction is different from a width of the first test signal line in the direction perpendicular to the second direction; a difference between a resistance of the first test signal line and a resistance of the second test signal line the difference is less than a first threshold.
    Type: Application
    Filed: December 29, 2020
    Publication date: May 4, 2023
    Inventors: Cong FAN, Qi LIU, Fan HE, Xiangdan DONG
  • Patent number: 11615719
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate including a display unit and a bendable unit, the bendable unit being connected to the display unit and bendable to a back of the display unit; a multiplexer on the bendable unit; and a metal shielding portion on a side of the multiplexer away from the base substrate, wherein an orthographic projection of the metal shielding portion on the base substrate covers an orthographic projection of the multiplexer on the base substrate, and the metal shielding portion is connected to a fixed voltage signal to shield signal interference caused by the multiplexer.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: March 28, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengmeng Du, Xiangdan Dong, Hongwei Ma, Jun Yan, Bo Cheng
  • Patent number: 11609656
    Abstract: The present disclosure provides a touch module, a display panel and a display apparatus. The display panel includes a substrate, a driving circuit structure layer, a light-emitting layer including a plurality of light-emitting regions and non-light-emitting regions, an encapsulation layer arranged on a surface of the light-emitting layers away from the substrate, an insulating dielectric layer with a plurality of hollow patterns penetrating the insulating dielectric layer, including a touch region, a peripheral signal trace region, and a frame region, touch electrode pattern, arranged on a surface of the insulating dielectric layer, located in the touch region and including a plurality of first touch electrodes and a plurality of second touch electrodes, and a plurality of touch signal lines distributed at intervals, electrically connected to the touch electrode patterns.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: March 21, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fan He, Xiangdan Dong, Hongwei Ma, Jun Yan, Kemeng Tong, Cong Fan