Patents by Inventor Hai-Feng Yu

Hai-Feng Yu 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).

  • Epoxy resin polymer and alignment film materials containing same for liquid crystal display
    Publication number: 20050014928
    Abstract: The invention pertains to a polymer of formula (I): wherein R1, R2, R5, n and G arc as those defined in the specification. The invention also pertains to the preparation of the polymer and the use of the polymer as an alignment layer material in liquid crystal displays.
    Type: Application
    Filed: May 20, 2004
    Publication date: January 20, 2005
    Applicant: Eternal Chemical Co., Ltd.
    Inventors: Wen -Chung Chu, Chia-Wen Chang, Hai-Feng Yu, Yen-Ching Lien, Hsiao-Kung Wang, Te-Shan Liu