Patents by Inventor Yeshayahu Lifshitz

Yeshayahu Lifshitz 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 DEVICES INCORPORATING UV-ILLUMINATED FLUOROCARBON LAYERS
    Publication number: 20090021161
    Abstract: A simple and efficient method of increasing conductivity of the fluorocarbon film is disclosed. By illuminating the fluorocarbon film under ultraviolet light (UV-CFx), the film conductivity can be increased by five orders of magnitude. Devices using such a UV-treated, conductive fluorocarbon film as a buffer layer give much better performance in terms of lower operational voltage and enhanced operational stability. The improved smoothness and lowered hole injection barrier height with UV-CFx are responsible for the enhanced performance of electroluminescent devices.
    Type: Application
    Filed: September 30, 2008
    Publication date: January 22, 2009
    Applicant: City University of Hong Kong
    Inventors: Chun Sing LEE, Shuit-Tong LEE, Shi Wun TONG, Yeshayahu LIFSHITZ
  • Organic electroluminescent devices incorporating UV-illuminated fluorocarbon layers
    Publication number: 20060250078
    Abstract: A simple and efficient method of increasing conductivity of the fluorocarbon film is disclosed. By illuminating the fluorocarbon film under ultraviolet light (UV-CFx), the film conductivity can be increased by five orders of magnitude. Devices using such a UV-treated, conductive fluorocarbon film as a buffer layer give much better performance in terms of lower operational voltage and enhanced operational stability. The improved smoothness and lowered hole injection barrier height with UV-CFx are responsible for the enhanced performance of electroluminescent devices.
    Type: Application
    Filed: May 9, 2005
    Publication date: November 9, 2006
    Applicant: CITY UNIVERSITY OF HONG KONG
    Inventors: Chun Lee, Shuit-Tong Lee, Shi Tong, Yeshayahu Lifshitz