Patents by Inventor Wang Lin Yu

Wang Lin 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).

  • Blue electroluminescent materials for polymer light-emitting diodes
    Patent number: 6887972
    Abstract: A polymeric material comprising alternate substituted fluorene and phenylene units, as represented by the following formula wherein R1, R2, R3 and R4, which may be identical or different, are each selected from the group consisting of H, a (C1-C22) linear or branched alkyl, alkoxy or oligo (oxyetylene) group, a (C6-C30) cycloalkyl group, and an unsubstituted or substituted aryl group, and n is from about 3 to about 5000.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: May 3, 2005
    Assignee: Agency for Science, Technology and Research
    Inventors: Wei Huang, Wang Lin Yu, Jian Pei, Soo Jin Chua
  • Blue electroluminescent materials for polymer light-emitting diodes
    Publication number: 20020013451
    Abstract: A polymeric material comprising alternate substituted fluorene and phenylene units, as represented by the following formula 1
    Type: Application
    Filed: April 24, 2001
    Publication date: January 31, 2002
    Inventors: Wei Huang, Wang Lin Yu, Jian Pei, Soo Jin Chua