Patents by Inventor Yuanmei Zheng

Yuanmei Zheng 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).

  • FULLY BURIED COLOR FILTER ARRAY OF IMAGE SENSOR
    Publication number: 20220116516
    Abstract: An image sensor includes a substrate. An array of photodiodes is disposed in the substrate. A plurality of spacers is arranged in a spacer pattern. At least one spacer of the plurality of spacers has an aspect ratio of 18:1 or greater. A buffer layer is disposed between the substrate and the spacer pattern. An array of color filters is disposed in the spacer pattern.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Applicant: OMNIVISION TECHNOLOGIES, INC.
    Inventors: Gang Chen, Yuanmei Zheng, Qin Wang, Cunyu Yang, Guannan Chen, Duli Mao, Dyson H. Tai, Lindsay Alexander Grant