Patents by Inventor Ying Leung Law

Ying Leung Law 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).

  • Internal heater embedded in an LCD cell
    Patent number: 7023519
    Abstract: The invention relates to an ITO heater for a liquid crystal display, typically a DSTN display which comprises an active liquid crystal cell for optical modulation, characterized by a dummy cell adapted for optical compensation comprising two substrates with liquid crystal therebetween, by a heater, the heater comprising a transparent conductive layer applied to one of the substrates, and by the dummy cell further comprising electrically conductive spacing means for simultaneously maintaining a desired cell gap and equalizing the electrical potential between the two substrates.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: April 4, 2006
    Assignees: Varintelligent (BVI) Limited
    Inventors: Kay Pui Ho, Richard C. H. Lee, Ying Leung Law, Ching Chuen Leung