Patents by Inventor Cheng-Xuan Li

Cheng-Xuan Li 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).

  • 4,4?-dicarboxy-2,2?-bipyridine derived tridentate ligand, metal complex containing the same, and application thereof
    Patent number: 8822818
    Abstract: Disclosed is a 4,4?-dicarboxy-2,2?-bipyridine derived tridentate ligand represented by formula (I): wherein definitions of Y1, Y2, and R are the same as those defined in the specification. Also disclosed are a metal complex containing the aforesaid tridentate ligand and a dye-sensitized solar cell containing the metal complex.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: September 2, 2014
    Assignee: National Tsing Hua University
    Inventors: Yun Chi, Cheng-Xuan Li, Shen-Han Yang, Hsin-Pei Wu, Kuan-Lin Wu, Chien-Wei Hsu, Shih-Han Chang
  • 4,4'-DICARBOXY-2,2'-BIPYRIDINE DERIVED TRIDENTATE LIGAND, METAL COMPLEX CONTAINING THE SAME, AND APPLICATION THEREOF
    Publication number: 20120247561
    Abstract: Disclosed is a 4,4?-dicarboxy-2,2?-bipyridine derived tridentate ligand represented by formula (I): wherein definitions of Y1, Y2, and R are the same as those defined in the specification. Also disclosed are a metal complex containing the aforesaid tridentate ligand and a dye-sensitized solar cell containing the metal complex.
    Type: Application
    Filed: November 29, 2011
    Publication date: October 4, 2012
    Inventors: Yun CHI, Cheng-Xuan Li, Shen-Han Yang, Hsin-Pei Wu, Kuan-Lin Wu, Chien-Wei Hsu, Shih-Han Chang