Patents by Inventor Jun-Wen Chung

Jun-Wen Chung 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).

  • Organic electroluminescent materials
    Patent number: 6737532
    Abstract: An organic electroluminescent compound of the formula (I) wherein: X1 is selected from the group consisting of oxygen, sulfur, C(CH3)2 and N—R, wherein R is hydrogen, alkyl of from 1 to 20 carbon atoms or aryl; and Ar1 and Ar2 are individually aryl or heterocyclic systems. Applying the compound to an electroluminescent (EL) device provides a highly efficient blue and green emitting organic EL device.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: May 18, 2004
    Assignees: Chi Mei Optoelectronics Corporation, Kyocera Corporation
    Inventors: Ruey-Min Chen, Jun-Wen Chung
  • Organic electroluminescent material and organic electroluminescent device fabricated using said material
    Publication number: 20030143425
    Abstract: An organic material capable of generating luminescence by charge of an electric current includes a compound having a general formula (1): 1
    Type: Application
    Filed: September 12, 2002
    Publication date: July 31, 2003
    Applicant: CHI MEI OPTOELECTRONICS CORP.
    Inventors: Ruey Min Chen, Chun Che Hsu, Jun Wen Chung
  • Red-emitting organic electroluminescent compound
    Publication number: 20030127975
    Abstract: A red-emitting organic electroluminescent compound, the structure of the compound as follows: 1
    Type: Application
    Filed: December 5, 2002
    Publication date: July 10, 2003
    Applicant: CHI MEI OPTOELECTRONICS CORPORATION
    Inventors: Ruey-Min Chen, Jun-Wen Chung, Chun-Che Hsu
  • Organic electroluminescent materials
    Publication number: 20020195930
    Abstract: An organic electroluminescent compound of the formula (I) 1
    Type: Application
    Filed: April 5, 2002
    Publication date: December 26, 2002
    Applicant: CHI MEI OPTOELECTRONICS CORPORATION
    Inventors: Ruey-Min Chen, Jun-Wen Chung