Patents by Inventor Dongxu YUAN

Dongxu YUAN 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).

  • Flexible display screen and electronic device
    Patent number: 11600212
    Abstract: Provided is a flexible display screen, including: a flexible substrate provided with a foldable portion; pixel units disposed on a first surface of the flexible substrate; and a fold detection device including a reflective grating structure, an optical waveguide structure and a photoelectric sensor, wherein the optical waveguide structure and the reflective grating structure are sequentially laminated on the first surface of the flexible substrate and both disposed in the foldable portion, an orthographic projection of the optical waveguide structure onto the flexible substrate is overlapped with an orthographic projection of the reflective grating structure onto the flexible substrate, and the optical waveguide structure is connected to the photoelectric sensor.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: March 7, 2023
    Assignees: WUHAN BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dalong Mao, Jian Zhao, Peng Chen, Zizheng Liu, Zhuo Chen, Dongxu Yuan, Hao Yu, Man Wang
  • FLEXIBLE DISPLAY SCREEN AND ELECTRONIC DEVICE
    Publication number: 20220238053
    Abstract: Provided is a flexible display screen, including: a flexible substrate provided with a foldable portion; pixel units disposed on a first surface of the flexible substrate; and a fold detection device including a reflective grating structure, an optical waveguide structure and a photoelectric sensor, wherein the optical waveguide structure and the reflective grating structure are sequentially laminated on the first surface of the flexible substrate and both disposed in the foldable portion, an orthographic projection of the optical waveguide structure onto the flexible substrate is overlapped with an orthographic projection of the reflective grating structure onto the flexible substrate, and the optical waveguide structure is connected to the photoelectric sensor.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 28, 2022
    Inventors: Dalong MAO, Jian ZHAO, Peng CHEN, Zizheng LIU, Zhuo CHEN, Dongxu YUAN, Hao YU, Man WANG