Patents by Inventor Qihui J. Zhang

Qihui J. Zhang 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).

  • Substrate for colored cholesteric liquid crystal display allowing cholesteric liquid crystal material to be filled by surface tension without vacuum
    Patent number: 6285434
    Abstract: A substrate for a multi-color liquid crystal display (LCD), an LCD having the substrate, and methods of manufacturing the substrate and the LCD. In one embodiment, the substrate includes: (1) a substantially planar base and (2) a cell wall structure, located on a surface of the base, that defines at least first and second sets of independent cells having corresponding independent fluid fill ports when the cell wall structure is bonded to an opposing substrate.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: September 4, 2001
    Assignee: Advanced Display Systems, Inc.
    Inventors: Yao Dong Ma, Bao-Gang Wu, Jianmi Gao, Jianan Hou, Yong-Jing Wang, Qihui J. Zhang