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).

  • Publication number: 20240155872
    Abstract: A display substrate and a preparation method therefor, and a display device. The display substrate includes a display area, a blocking area, an opening area, and a base substrate. The blocking area includes at least one blocking wall at least partially surrounding the opening area. Each blocking wall includes a first metal layer structure and a first stack structure, and at least one side surface of the first metal layer structure surrounding the opening area (301) includes a first notch. The display area includes a plurality of sub-pixels, each sub-pixel includes a pixel driving circuit and a light-emitting device, the pixel driving circuit includes a thin-film transistor and a connector electrode, and the thin-film transistor includes a first source/drain electrode and a second source/drain electrode. The light-emitting device includes a first electrode a second electrode, and a light-emitting material layer between the first electrode and the second electrode.
    Type: Application
    Filed: September 22, 2022
    Publication date: May 9, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Wang, Cong Fan, Xiangdan Dong, Donghui Tian
  • Publication number: 20240155887
    Abstract: An array substrate and a display device. The array substrate includes a base substrate, a plurality of first pixel driving circuits, M first data lines, and M first leads; the base substrate includes a display region and a bonding region; the plurality of first pixel driving circuits are on the base substrate; the display region includes a first region and a second region, and the plurality of first pixel driving circuits are in the second region; the plurality of first pixel driving circuits are arranged in an array to constitute a plurality of first pixel driving columns; the M first data lines are configured to provide data signals to the plurality of first pixel driving columns, the M first leads are respectively connected with the M first data lines, pass through the first region from the second region and extend to the bonding region.
    Type: Application
    Filed: April 30, 2021
    Publication date: May 9, 2024
    Inventors: Rong WANG, Donghui TIAN, Fan HE, Xiangdan DONG, Yu WANG
  • Patent number: 11980074
    Abstract: A display substrate and a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate, a plurality of sub-pixels, at least one group of contact pads, and a first insulation layer. The base substrate includes a display region and a bonding region located at one side of the display region. At least one group of contact pads includes a plurality of contact pads, at least one of the plurality of contact pads includes a first contact pad metal layer and a second contact pad metal layer, the second contact pad metal layer covers an edge of the first contact pad metal layer. The first insulation layer is located in gaps between the plurality of contact pads and covers edges of the plurality of contact pads, and is configured to expose surfaces of the plurality of contact pads facing away from the base substrate.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: May 7, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengmeng Du, Xiangdan Dong, Hongwei Ma, Jun Yan, Bo Cheng, Biao Liu
  • Publication number: 20240147785
    Abstract: A display substrate and a preparation method therefor, and a display apparatus are provided. The display substrate includes a display area and a non-display area surrounding the display area, the display area including a first display region, a second display region and a fan-out wiring region, the second display region being located between the first display region and the fan-out wiring region; the first display region including a plurality of first sub-pixels, the first sub-pixel including a first pixel circuit and a first light emitting element; the second display region including a plurality of second sub-pixels, the second sub-pixel including a second pixel circuit and a second light emitting element; the fan-out wiring region including a plurality of data fan-out lines and a plurality of third sub-pixels, the third sub-pixel including a third light emitting element.
    Type: Application
    Filed: May 21, 2021
    Publication date: May 2, 2024
    Inventors: Rong WANG, Xiangdan DONG, Donghui TIAN, Fan HE
  • Patent number: 11974475
    Abstract: A flexible display panel, a display device and a forming method are provided. The flexible display panel includes a display area and a non-display area, where the non-display area includes a bending sub-area and a binding sub-area, and the bending sub-area is configured to bend the binding sub-area to a side away from the display area, the bending sub-area includes a first organic layer, a second organic layer and a metal wiring layer between the first organic layer and the second organic layer arranged on the substrate, the touch wiring layer is electrically connected to the metal wiring layer; in response to the bending sub-area being in a bending state, a vertical distance from a bending neutral layer of the bending sub-area to the metal wiring layer is smaller than a preset distance.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Wei, Xiangdan Dong, Jun Yan, Mengmeng Du
  • Patent number: 11974473
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, a pixel defining layer and at least one photo spacer. The pixel defining layer is disposed on the base substrate and includes a plurality of openings, the at least one photo spacer is disposed on a side of the pixel defining layer away from the base substrate. A distance from any point at a bottom of the at least one photo spacer contacting the pixel defining layer to an upper edge of a side wall of the plurality of openings is greater than or equal to 5 ?m.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengmeng Du, Xiangdan Dong, Qi Liu, Fan He, Bo Zhang
  • Publication number: 20240134488
    Abstract: A touch control substrate includes: a base, a first metal layer including first touch control signal lines, a first insulating layer; and a second metal layer including: second touch control signal lines electrically connected with the first touch control signal lines. An orthographic projection of an edge of a first end of the first touch control signal line on the base does not overlap with an orthographic projection of an edge of a first end of the second touch control signal line electrically connected with the first touch control signal line on the base. The orthographic projection of the edge of the first end of the first touch control signal line on the base at least partially overlap with an orthographic projection of the second touch control signal line on the base.
    Type: Application
    Filed: March 30, 2021
    Publication date: April 25, 2024
    Inventors: Yu WANG, Cong FAN, Kemeng TONG, Fan HE, Guoyi CUI, Xiangdan DONG, Jiangtao DENG
  • Publication number: 20240138218
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit and pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels includes a first sub-pixel and a second sub-pixel which are directly adjacent in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other. The display substrate helps can reduce cross talk between signal lines so as to improve a display quality.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 25, 2024
    Inventors: Shuangbin YANG, Bo CHENG, Mengmeng DU, Xiangdan DONG
  • Patent number: 11960689
    Abstract: A touch-control display panel and a preparation method therefor, and a touch-control display apparatus. The touch-control display panel includes a substrate, a first metal layer provided on the substrate, an insulating layer provided at the side of the first metal layer away from the substrate, and a second metal layer provided at the side of the insulating layer away from the first metal layer, one of the first metal layer and the second metal layer comprises a plurality of connection bridges, and the other one comprises a first electrode, a second electrode and a through hole; at least one of the first metal layer and the second metal layer further comprises compensation electrodes surrounding the through hole; and the compensation electrodes comprise a first compensation electrode and a second compensation electrode, the surface of the first compensation electrode adjacent to the second compensation electrode is a first end face.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 16, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Cong Fan, Fan He, Kemeng Tong, Xiangdan Dong
  • Publication number: 20240121986
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit; pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels include a first sub-pixel, and the display substrate further includes a first data line extended in the first direction and connected with the first sub-pixel. The sub-pixels further include a second sub-pixel directly adjacent to the first sub-pixel in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other; and the first capacitor electrode in the first sub-pixel is overlapped with the first data line in a direction perpendicular to the base substrate to provide a first capacitor.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 11, 2024
    Inventors: Shuangbin YANG, Bo CHENG, Yulong WEI, Xiangdan DONG
  • Patent number: 11955060
    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: Grant
    Filed: May 21, 2021
    Date of Patent: April 9, 2024
    Assignees: 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: 11957008
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit and pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels includes a first sub-pixel and a second sub-pixel which are directly adjacent in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuangbin Yang, Bo Cheng, Mengmeng Du, Xiangdan Dong
  • Publication number: 20240114736
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lulu YANG, Tinghua SHANG, Guomeng ZHANG, Yu WANG, Xiaofeng JIANG, Xin ZHANG, Yupeng HE, Yi QU, Biao LIU, Mengmeng DU, Xiangdan DONG, Hongwei MA
  • Publication number: 20240103673
    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 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: December 8, 2023
    Publication date: March 28, 2024
    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
  • Patent number: 11930671
    Abstract: A flexible display panel and a manufacturing method thereof, and a flexible display apparatus are disclosed. The flexible display panel includes: a flexible substrate, the flexible substrate including a display area, a peripheral area, a welding area and a bending area, and the bending area including a first edge; and the flexible display panel further includes: a barrier and an organic insulation layer, wherein the peripheral area includes a peripheral transition area between the bending area and the display area, the organic insulation layer in the peripheral transition area is provided with a first groove, the first groove is on one side of the barrier and extends along a direction substantially parallel to a bending axis, and the first groove is on one side of the first edge proximal to the display area.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 12, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kemeng Tong, Xiangdan Dong, Fan He
  • Publication number: 20240081116
    Abstract: A flexible display panel and a manufacturing method thereof, and a flexible display apparatus are disclosed. The flexible display panel includes: a flexible substrate, the flexible substrate including a display area, a peripheral area, a welding area and a bending area, and the bending area including a first edge; and the flexible display panel further includes: a barrier and an organic insulation layer, wherein the peripheral area includes a peripheral transition area between the bending area and the display area, the organic insulation layer in the peripheral transition area is provided with a first groove, the first groove is on one side of the barrier and extends along a direction substantially parallel to a bending axis, and the first groove is on one side of the first edge proximal to the display area.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Inventors: Kemeng TONG, Xiangdan DONG, Fan HE
  • Publication number: 20240077963
    Abstract: An electronic substrate and an electronic device are provided. The electronic substrate includes a first functional region, a second functional region and a peripheral region; the first functional region includes an opening, the second functional region is in the opening, and the peripheral region includes an opening peripheral region between the first functional region and the second functional region; the electronic substrate includes a base substrate and a detection trace structure on the base substrate; the detection trace structure includes a first conductive trace and a second conductive trace which are in the opening peripheral region, and the first conductive trace and the second conductive trace respectively extend from a first position reversely along an edge of the second functional region and respectively partially surround the second functional region, the first conductive trace and the second conductive trace are spaced apart from each other in the first position.
    Type: Application
    Filed: May 18, 2021
    Publication date: March 7, 2024
    Inventors: Cong FAN, Yu WANG, Kemeng TONG, Fan HE, Xiangdan DONG, Hongwei MA, Mengmeng DU, Xuwu HU
  • Publication number: 20240078945
    Abstract: An array substrate and a display device are disclosed. The array substrate includes a base substrate, a plurality of first pixel driving circuit, a plurality of first data lines and a plurality of first leads; the display region includes a first region and a second region, and the plurality of first pixel driving circuits are located in the second region, the plurality of first pixel driving circuits are arranged in an array to form a plurality of first pixel driving columns, the plurality of first data lines are configured to provide data signals to the plurality of first pixel driving columns, and the plurality of first leads are respectively connected with the plurality of first data lines, pass through the first region from the second region and extend to the bonding region.
    Type: Application
    Filed: April 30, 2021
    Publication date: March 7, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiangdan DONG, Yujing LI, Rong WANG, Fan HE
  • Patent number: 11921960
    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: Grant
    Filed: March 23, 2023
    Date of Patent: March 5, 2024
    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
  • Patent number: 11907488
    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 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: Grant
    Filed: February 26, 2021
    Date of Patent: February 20, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kemeng Tong, Cong Fan, Fan He, Yu Wang, Xiangdan Dong, Jiangtao Deng