Patents by Inventor Kelvin Xu Zhang

Kelvin Xu 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).

  • Methods for forming optical films
    Patent number: 8804241
    Abstract: A method includes providing a layer having a plurality of spaced-apart lines of a first material extending along a first direction and forming a line of a second material on opposing surfaces of each line of the first material, the first and second materials being different and adjacent lines of the second material being discontinuous. After forming the lines of the second material, forming pairs of spaced-apart lines of a third material between adjacent pairs of the lines of the second material, wherein each line of the third material is spaced apart from the closest line of the second material and the first and third materials are different.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: August 12, 2014
    Assignee: Polarization Solutions, LLC
    Inventors: Qihong Wu, Kelvin Xu Zhang, Shiaw-Wen Tai
  • OPTICAL FILMS AND METHODS OF MAKING THE SAME
    Publication number: 20110255162
    Abstract: In general, in a first aspect, the invent features a method, including providing a layer having a plurality of spaced-apart lines of a first material extending along a first direction and forming a line of a second material on opposing surfaces of each line of the first material, the first and second materials being different and adjacent lines of the second material being discontinuous. After forming the lines of the second material, forming pairs of spaced-apart lines of a third material between adjacent pairs of the lines of the second material, wherein each line of the third material is spaced apart from the closest line of the second material and the first and third materials are different.
    Type: Application
    Filed: November 15, 2010
    Publication date: October 20, 2011
    Inventors: Qihong Wu, Kelvin Xu Zhang, Shiaw-Wen Tai