Patents by Inventor Jinggang ZHAO

Jinggang ZHAO 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).

  • Grayscale color electronic paper
    Patent number: 11009761
    Abstract: A grayscale color electronic paper have a plurality of pixel structural units, each of them has a base color layer and a grayscale adjusting layer. The base color layer is able to display two or more colors. Colors displayed by the grayscale adjusting layer corresponds one-to-one to the colors displayed by the base color layer. The base color layer and the grayscale adjusting layer have respective driving structures. The base color layer can display colors such as black, white, red, green, blue, cyan, magenta and yellow; and the grayscale adjusting layer has multi-level grayscales, and each level of the gray scale has a steady state at a zero electric field.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: May 18, 2021
    Assignee: DALIAN DKE LCD CO., LTD.
    Inventors: Jinggang Zhao, Lina Zhang, Zhiling He
  • Grayscale Color Electronic Paper
    Publication number: 20190171082
    Abstract: A grayscale color electronic paper have a plurality of pixel structural units, each of them has a base color layer and a grayscale adjusting layer. The base color layer is able to display two or more colors. Colors displayed by the grayscale adjusting layer corresponds one-to-one to the colors displayed by the base color layer. The base color layer and the grayscale adjusting layer have respective driving structures. The base color layer can display colors such as black, white, red, green, blue, cyan, magenta and yellow; and the grayscale adjusting layer has multi-level grayscales, and each level of the gray scale has a steady state at a zero electric field.
    Type: Application
    Filed: December 8, 2016
    Publication date: June 6, 2019
    Inventors: Jinggang ZHAO, Lina ZHANG, Zhiling HE