Patents by Inventor Yongan Feng

Yongan Feng 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: 11349107
    Abstract: The present disclosure provides a display substrate, a display device, and a manufacturing method of a display substrate. The display substrate of the present disclosure includes a substrate, a pixel defining layer located on the substrate, and a plurality of organic light emitting diodes arranged in an array, with a plurality of pixel accommodating holes provided in the pixel defining layer, and the organic light emitting diodes in one-to-one correspondence with the pixel accommodating holes, and located in the corresponding pixel accommodating holes; and a plurality of supporting structures in one-to-one correspondence with the pixel accommodating holes are formed on a side of the pixel defining layer distal to the substrate, and orthographic projections of the supporting structures on the pixel defining layer surround the corresponding pixel accommodating holes.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: May 31, 2022
    Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qinglin Ma, Zhengping Xiong, Pohsuan Chiang, Yongan Feng, Shuaimin Jian
  • Patent number: 11247997
    Abstract: The present invention discloses a compound, which comprises the structure shown in FIG. 1; and further discloses a preparation method thereof, a precursor material used in the preparation method, explosives comprising the compound, and the application thereof in the field of explosives, in particular in the application of green environmentally-friendly primers. The compound disclosed by the invention may provide green environmental protection type primer, and meets the problem of requiring green environmental protection primers in many fields such as military industry, firework and civil explosion engineering.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: February 15, 2022
    Assignee: INSTITUTE OF CHEMICAL MATERIALS OF CHINA ACADEMY OF ENGINEERING AND PHYSICS
    Inventors: Qinghua Zhang, Mucong Deng, Yongan Feng
  • Publication number: 20210278718
    Abstract: A display device and a manufacturing method of the display device are provided. The display device includes a base substrate and a plurality of spacers on the base substrate; each of the plurality of spacers has an end facing away from the base substrate, and the end is provided with a sloping surface; and included angels between the sloping surfaces of the plurality of spacers and the base substrate are all acute angles or are all obtuse angles.
    Type: Application
    Filed: April 23, 2018
    Publication date: September 9, 2021
    Inventors: Bin PENG, Yongan FENG, Chengming WEI, Zhijun XU, Daoping YU
  • Publication number: 20210249636
    Abstract: The present disclosure provides a display substrate, a display device, and a manufacturing method of a display substrate. The display substrate of the present disclosure includes a substrate, a pixel defining layer located on the substrate, and a plurality of organic light emitting diodes arranged in an array, with a plurality of pixel accommodating holes provided in the pixel defining layer, and the organic light emitting diodes in one-to-one correspondence with the pixel accommodating holes, and located in the corresponding pixel accommodating holes; and a plurality of supporting structures in one-to-one correspondence with the pixel accommodating holes are formed on a side of the pixel defining layer distal to the substrate, and orthographic projections of the supporting structures on the pixel defining layer surround the corresponding pixel accommodating holes.
    Type: Application
    Filed: December 25, 2019
    Publication date: August 12, 2021
    Inventors: Qinglin MA, Zhengping XIONG, Pohsuan CHIANG, Yongan FENG, Shuaimin JIAN
  • Publication number: 20210155624
    Abstract: The present invention discloses a compound, which comprises the structure shown in FIG. 1; and further discloses a preparation method thereof, a precursor material used in the preparation method, explosives comprising the compound, and the application thereof in the field of explosives, in particular in the application of green environmentally-friendly primers. The compound disclosed by the invention may provide green environmental protection type primer, and meets the problem of requiring green environmental protection primers in many fields such as military industry, firework and civil explosion engineering.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 27, 2021
    Inventors: Qinghua Zhang, Mucong Deng, Yongan Feng