Patents by Inventor Dandan ZANG

Dandan ZANG 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: 20240099090
    Abstract: The present application provides a display panel and a display apparatus, and the display panel includes a first light-emitting unit, pixel openings and light extraction openings, and orthographic projections of the pixel openings on the substrate are pixel projections, and orthographic projections of the light extraction openings arranged correspondingly to the pixel openings on the substrate are opening projections; in the first light-emitting unit, in the first light-emitting unit, at least a minimum distance between a first point and a second point greater than 4 microns exists, where the first point is positioned on an edge of a pixel projection of the pixel projections corresponding to the first light-emitting unit, and the second point is positioned on an edge of an opening projection of the opening projections corresponding to the first light-emitting unit. Desired display brightness of display panel at large viewing angle is ensured.
    Type: Application
    Filed: December 7, 2022
    Publication date: March 21, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventor: Dandan ZANG
  • Patent number: 11895900
    Abstract: A method of encapsulating a display substrate and a counter substrate, an encapsulated display panel, a display apparatus, and a counter substrate are provided. The encapsulated display panel includes a display substrate; a counter substrate facing the display substrate; and a sealant filled in a space between the display substrate and a counter substrate. The display substrate in a peripheral area has a plurality of protruding parts and a plurality of recessing parts, resulting in an uneven surface topography. The counter substrate in at least a portion of the peripheral area has a counter surface topography substantially complementary to the surface topography of the display substrate. The counter substrate in the peripheral area has a plurality of counter protruding parts.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: February 6, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xinwei Gao, Qihe Chen, Peng Li, Dandan Zang
  • Publication number: 20230157134
    Abstract: A method of encapsulating a display substrate and a counter substrate, an encapsulated display panel, a display apparatus, and a counter substrate are provided. The encapsulated display panel includes a display substrate; a counter substrate facing the display substrate; and a sealant filled in a space between the display substrate and a counter substrate. The display substrate in a peripheral area has a plurality of protruding parts and a plurality of recessing parts, resulting in an uneven surface topography. The counter substrate in at least a portion of the peripheral area has a counter surface topography substantially complementary to the surface topography of the display substrate. The counter substrate in the peripheral area has a plurality of counter protruding parts.
    Type: Application
    Filed: October 16, 2019
    Publication date: May 18, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xinwei Gao, Qihe Chen, Peng Li, Dandan Zang
  • Publication number: 20220407031
    Abstract: A packaging method of a display panel, the packaging method including: defining, on a cover plate, at least one adhesive coating region that each is to cover a respective target specially-shaped pattern and have a regular shape; forming a packaging adhesive in the at least one adhesive coating region; bonding the cover plate formed with the packaging adhesive with a substrate formed with at least one target specially-shaped pattern, so that a display region of each target specially-shaped pattern is located within a respective adhesive coating region; and cutting the substrate and the cover plate that have been bonded according to the target specially-shaped pattern to obtain the display panel.
    Type: Application
    Filed: April 13, 2021
    Publication date: December 22, 2022
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng LI, Xinwei GAO, Dandan ZANG, Qihe CHEN
  • Patent number: 11522029
    Abstract: A display backplate and a manufacturing method thereof, and a display device are provided. The display backplate includes a base substrate and a pixel defining layer provided on the base substrate, the pixel defming layer defines a plurality of sub-pixel openings, an accommodation groove is provided at a surface of the pixel defining layer facing away from the base substrate, and the accommodation groove is located between two adjacent sub-pixel openings.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: December 6, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Xinwei Gao, Dandan Zang, Peng Li, Qihe Chen, Chin Lung Liao
  • Patent number: 11394003
    Abstract: The present disclosure provides a cover plate for encapsulating a display substrate, a display panel including the cover plate, a display device including the display panel and a method for encapsulating the display panel. The cover plate includes: a base substrate including a display area and an encapsulation area arranged at a periphery of the display area; and an encapsulation layer, a first barrier layer, a water absorption layer and a second barrier layer successively arranged in the encapsulation area of the base substrate in a direction from the display area to the encapsulation area.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Gao, Dandan Zang, Peng Li, Qihe Chen
  • Patent number: 11309514
    Abstract: An organic light-emitting diode (OLED) substrate includes: a base substrate including a display region having a plurality of luminous regions and a non-luminous region separating one or more adjacent luminous regions, the non-luminous region including a plurality of first connection regions; a first electrode layer over the base substrate including a plurality of first electrodes having their projections on the base substrate cover the plurality of luminous regions; a pixel defining layer over the first electrode layer and located at the non-luminous region and defining the plurality of luminous regions, the pixel defining layer is hollowed out at the first connection regions; an electroluminescent functional layer provided over the pixel defining layer; a second electrode layer over the electroluminescent functional layer; and a plurality of conductive structures located at the plurality of first connection regions respectively, and electrically coupled to the second electrode layer.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: April 19, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiewei Li, Dandan Zang, Chuan Yin, Yong Cui, Yachao Tong, Xianjiang Xiong
  • Patent number: 11245087
    Abstract: Disclosed herein is a display substrate comprising: first electrode; an auxiliary electrode; a first layer of an electrically insulating material over the auxiliary electrode, wherein the first layer does not cover a first portion of a sidewall of the auxiliary electrode; a second layer of a material that exhibits electroluminescence (EL), wherein the second layer is in electric contact with the first electrode and does not cover the first portion of the sidewall; a second electrode in electric contact with the second layer and in electric contact with the auxiliary electrode at the first portion of the sidewall.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: February 8, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xinwei Gao, Peng Li, Dandan Zang, Qihe Chen, Xiaoning Liu
  • Patent number: 11239442
    Abstract: A display panel includes a base substrate including a first surface; another base substrate including a second surface disposed face the first surface; a first insulating layer disposed above the first surface of the base substrate, a plurality of grooves being disposed in a surface of the first insulating layer away from the base substrate; a first conductive layer disposed at a side of the first insulating layer away from the base substrate, the first conductive layer at least covering bottom faces and side walls of the plurality of grooves; a plurality of support portions disposed above the second surface of the another base substrate; and a second conductive layer disposed at a side of the plurality of support portions away from the another base substrate, the second conductive layer at least covering surfaces of the plurality of support portions facing away from the another base substrate and side faces of the plurality of support portions.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: February 1, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dandan Zang, Xinwei Gao, Peng Li, Wentong Huang
  • Publication number: 20210336189
    Abstract: An organic light-emitting diode (OLED) substrate includes: a base substrate including a display region having a plurality of luminous regions and a non-luminous region separating one or more adjacent luminous regions, the non-luminous region including a plurality of first connection regions; a first electrode layer over the base substrate including a plurality of first electrodes having their projections on the base substrate cover the plurality of luminous regions; a pixel defining layer over the first electrode layer and located at the non-luminous region and defining the plurality of luminous regions, the pixel defining layer is hollowed out at the first connection regions; an electroluminescent functional layer provided over the pixel defining layer; a second electrode layer over the electroluminescent functional layer; and a plurality of conductive structures located at the plurality of first connection regions respectively, and electrically coupled to the second electrode layer.
    Type: Application
    Filed: May 13, 2019
    Publication date: October 28, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiewei LI, Dandan ZANG, Chuan YIN, Yong CUI, Yachao TONG, Xianjiang XIONG
  • Patent number: 11088227
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a first substrate and a second substrate opposite to each other; the first substrate includes a first base, a pixel definition layer on the first base, and at least one OLED; each OLED includes a first electrode, a light emitting layer, and a second electrode sequentially provided on the first base; and the pixel definition layer defines pixel regions spaced apart, the at least one OLED is provided in the pixel regions, and the pixel definition layer between at least two adjacent pixel regions includes one opening; the second substrate includes a second base, and a connection electrode on a side of the second base proximal to the pixel definition layer, which is arranged inside the opening, and is electrically coupled to the second electrode of the OLEDs adjacent to the opening.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: August 10, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Gao, Peng Li, Dandan Zang
  • Publication number: 20210210570
    Abstract: A display backplate and a manufacturing method thereof, and a display device are provided. The display backplate includes a base substrate and a pixel defining layer provided on the base substrate, the pixel defining layer defines a plurality of sub-pixel openings, an accommodation groove is provided at a surface of the pixel defining layer facing away from the base substrate, and the accommodation groove is located between two adjacent sub-pixel openings.
    Type: Application
    Filed: March 2, 2020
    Publication date: July 8, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei GAO, Dandan ZANG, Peng LI, Qihe CHEN, Chin Lung LIAO
  • Publication number: 20210135148
    Abstract: Disclosed herein is a display substrate comprising: first electrode; an auxiliary electrode; a first layer of an electrically insulating material over the auxiliary electrode, wherein the first layer does not cover a first portion of a sidewall of the auxiliary electrode; a second layer of a material that exhibits electroluminescence (EL), wherein the second layer is in electric contact with the first electrode and does not cover the first portion of the sidewall; a second electrode in electric contact with the second layer and in electric contact with the auxiliary electrode at the first portion of the sidewall.
    Type: Application
    Filed: July 24, 2019
    Publication date: May 6, 2021
    Inventors: Xinwei GAO, Peng LI, Dandan ZANG, Qihe CHEN, Xiaoning LIU
  • Publication number: 20210043867
    Abstract: The present disclosure provides a cover plate for encapsulating a display substrate, a display panel including the cover plate, a display device including the display panel and a method for encapsulating the display panel. The cover plate includes: a base substrate including a display area and an encapsulation area arranged at a periphery of the display area; and an encapsulation layer, a first barrier layer, a water absorption layer and a second barrier layer successively arranged in the encapsulation area of the base substrate in a direction from the display area to the encapsulation area.
    Type: Application
    Filed: July 24, 2020
    Publication date: February 11, 2021
    Inventors: Xinwei GAO, Dandan ZANG, Peng LI, Qihe CHEN
  • Patent number: 10886360
    Abstract: A display panel and a manufacturing method thereof. The display panel includes a base substrate, and a pixel area and a non-pixel area on the substrate. The pixel area includes a light emitting element, the light emitting element including a first electrode, a light emitting layer, and a second electrode which are sequentially on the base substrate; the non-pixel area includes a first structural area, the first structural area including a conductive supporting block on one side of the light emitting layer close to the base substrate; the display panel further includes an electric connection layer which is on one side, which is away from the base substrate, of the light emitting element and the first structural area; the second electrode of the light emitting element is electrically connected with the electric connection layer, and is electrically connected with the conductive supporting block through the electric connection layer.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: January 5, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiewei Li, Dandan Zang, Yachao Tong, Chuan Yin, Xianjiang Xiong, Yong Cui
  • Publication number: 20200313113
    Abstract: A display panel includes a base substrate including a first surface; another base substrate including a second surface disposed face the first surface; a first insulating layer disposed above the first surface of the base substrate, a plurality of grooves being disposed in a surface of the first insulating layer away from the base substrate; a first conductive layer disposed at a side of the first insulating layer away from the base substrate, the first conductive layer at least covering bottom faces and side walls of the plurality of grooves; a plurality of support portions disposed above the second surface of the another base substrate; and a second conductive layer disposed at a side of the plurality of support portions away from the another base substrate, the second conductive layer at least covering surfaces of the plurality of support portions facing away from the another base substrate and side faces of the plurality of support portions.
    Type: Application
    Filed: June 6, 2019
    Publication date: October 1, 2020
    Inventors: Dandan ZANG, Xinwei GAO, Peng LI, Wentong HUANG
  • Publication number: 20200203469
    Abstract: A display panel and a manufacturing method thereof. The display panel includes a base substrate, and a pixel area and a non-pixel area on the substrate. The pixel area includes a light emitting element, the light emitting element including a first electrode, a light emitting layer, and a second electrode which are sequentially on the base substrate; the non-pixel area includes a first structural area, the first structural area including a conductive supporting block on one side of the light emitting layer close to the base substrate; the display panel further includes an electric connection layer which is on one side, which is away from the base substrate, of the light emitting element and the first structural area; the second electrode of the light emitting element is electrically connected with the electric connection layer, and is electrically connected with the conductive supporting block through the electric connection layer.
    Type: Application
    Filed: September 10, 2019
    Publication date: June 25, 2020
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiewei Li, Dandan Zang, Yachao Tong, Chuan Yin, Xianjiang Xiong, Yong Cui
  • Publication number: 20200075696
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a first substrate and a second substrate opposite to each other, the first substrate includes a first base, a pixel definition layer on the first base, and at least one OLED; each OLED includes a first electrode, a light emitting layer, and a second electrode sequentially provided on the first base; and the pixel definition layer defines pixel regions spaced apart, the at least one OLED is provided in the pixel regions, and the pixel definition layer between at least two adjacent pixel regions includes one opening; the second substrate includes a second base, and a connection electrode on a side of the second base proximal to the pixel definition layer, which is arranged inside the opening, and is electrically coupled to the second electrode of the OLEDs adjacent to the opening.
    Type: Application
    Filed: September 3, 2019
    Publication date: March 5, 2020
    Inventors: Xinwei GAO, Peng LI, Dandan ZANG