Patents by Inventor Han Zhi Gang

Han Zhi Gang 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).

  • Device structure that combines insulating materials for alignment posts and optical interference layers
    Patent number: 6587178
    Abstract: A method of forming an improved liquid-crystal-on-silicon display and resultant display is described, in which the device structure is enhanced by the photolithography building of alignment posts among the mirror pixels of the microdisplay.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: July 1, 2003
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Su Yong Jie, Ravi Sankar Yalamanchi, Han Zhi Gang
  • Method of forming insulating material alignment posts associated with active device structures
    Patent number: 6498635
    Abstract: The invention teaches a method of forming an improved liquid-crystal-on-silicon display. The device structure is enhanced by the creation of silicon nitride alignment posts using methods of photolithography, the alignment posts are located among the pixels of the microdisplay.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: December 24, 2002
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Su Yong Jie, Ravi Sankar Yalamanchi, Han Zhi Gang
  • Liquid-crystal-on-silicon display with photolithographic alignment posts and optical interference layers
    Publication number: 20020047967
    Abstract: A method of forming an improved liquid-crystal-on-silicon display and resultant display is described, in which the device structure is enhanced by the photolithography building of alignment posts among the mirror pixels of the microdisplay.
    Type: Application
    Filed: October 16, 2001
    Publication date: April 25, 2002
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Su Yong Jie, Ravi Sankar Yalamanchi, Han Zhi Gang