Patents by Inventor Yuan Jay Chang

Yuan Jay Chang 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).

  • Hexacene derivative, method for forming hexacene, method for forming hexacene crystal, process for making organic semiconductor device, and organic semiconductor device
    Patent number: 9059408
    Abstract: A hexacene derivative is described, being expressed by formula (1): wherein X1-X6 denote the presence or absence of a carbonyl bridge [—C(?O)—], with a proviso that at least one of X1-X6 is a carbonyl bridge while any six-member ring absent of a carbonyl bridge is aromatic. A method for forming hexacene is also described, including: thermally treating the hexacene derivative to expel volatile units of CO from the hexacene derivative.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: June 16, 2015
    Assignee: Academia Sinica
    Inventors: Ta-Hsin Chow, Motonori Watanabe, Yuan Jay Chang, Yu-Tai Tao, Ting-Han Chao, Shun-Wei Liu, Chih-Hsien Yuan, Teruo Shinmyozu, Kenta Goto, Md.Minarul Islam