Patents by Inventor Wangwang HE

Wangwang HE 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).

  • DRIVING METHOD AND DRIVING DEVICE FOR A DISPLAY PANEL, AND DISPLAY DEVICE
    Publication number: 20230410751
    Abstract: A driving method and driving device for a display panel, and a display device. The driving method includes: in a first driving stage, controlling a data voltage signal input terminal to transmit a voltage corresponding to a data voltage to a gate of a drive transistor; and in a second driving stage, controlling the data voltage signal input terminal to transmit a hold voltage to a source of the drive transistor to couple the voltage of the gate of the drive transistor through the hold voltage of the source of the drive transistor.
    Type: Application
    Filed: August 31, 2023
    Publication date: December 21, 2023
    Applicant: HEFEI VISIONOX TECHNOLOGY CO., LTD.
    Inventors: Wangwang HE, Yonggang LI, Weiwei PAN
  • Package structure of organic electroluminescent device and manufacturing method thereof, and display device
    Patent number: 10476029
    Abstract: A package structure of an organic electroluminescent device and a manufacture method thereof, and a display device are provided. The package structure of the organic electroluminescent device includes a base substrate; an organic electroluminescent unit disposed on the base substrate; and a first inorganic protection layer, disposed on the organic electroluminescent unit. The first inorganic protection layer is provided with a first opening penetrating the first protection layer along a thickness direction, and the first opening is filled with a first organic material.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kui Gong, Xianxue Duan, Wangwang He
  • PACKAGE STRUCTURE OF ORGANIC ELECTROLUMINESCENT DEVICE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE
    Publication number: 20180309088
    Abstract: A package structure of an organic electroluminescent device and a manufacture method thereof, and a display device are provided. The package structure of the organic electroluminescent device includes a base substrate; an organic electroluminescent unit disposed on the base substrate; and a first inorganic protection layer, disposed on the organic electroluminescent unit. The first inorganic protection layer is provided with a first opening penetrating the first protection layer along a thickness direction, and the first opening is filled with a first organic material.
    Type: Application
    Filed: November 20, 2017
    Publication date: October 25, 2018
    Inventors: Kui GONG, Xianxue DUAN, Wangwang HE