Patents by Inventor Chang-Ying Chu

Chang-Ying Chu 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).

  • Compound for organic electroluminescent device and organic electroluminescent devices using the same
    Patent number: 9353085
    Abstract: The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X1, X2, X3, Y, Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, and Ar7 are as defined in the description.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: May 31, 2016
    Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Banumathy Balaganesan, Yi-Huan Fu, Kun-Feng Chiang, Fang-Shih Lin, Zheng-Feng Ye, Chang-Ying Chu
  • COMPOUND FOR ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICES USING THE SAME
    Publication number: 20130048956
    Abstract: The present invention provides a compound of formula (I) for an organic electroluminescent device: wherein X1, X2, X3, Y, Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, and Ar7 are as defined in the description.
    Type: Application
    Filed: June 8, 2012
    Publication date: February 28, 2013
    Applicant: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Banumathy Balaganesan, Yi-Huan Fu, Kun-Feng Chiang, Fang-Shih Lin, Zheng-Feng Ye, Chang-Ying Chu