Patents by Inventor C.C. Leung

C.C. Leung 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).

  • ITO heater
    Publication number: 20020089638
    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, characterised 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: Application
    Filed: October 31, 2001
    Publication date: July 11, 2002
    Inventors: K.P. Ho, Richard C.H. Lee, Y.L. Law, C.C. Leung
  • Matrix driving schemes for cholesteric liquid crystal displays
    Publication number: 20020015015
    Abstract: The invention relates to a method of driving an LCD, comprising providing an array of pixels, characterised by the steps of providing cholesteric liquid crystals arranged between spaced transparent substrates, and by providing a reset pulse and a plurality of selection pulses whereby to provide resultant driving waveform(s).
    Type: Application
    Filed: May 2, 2001
    Publication date: February 7, 2002
    Inventors: Steve Wai Leung, Richard C.H. Lee, Berry S.K. Lam, C.C. Leung, Patrick P.C. Lo, M.T. Yeung