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LIQUID CRYSTAL DISPLAY

  • US 20110096035A1
  • Filed: 01/04/2011
  • Published: 04/28/2011
  • Est. Priority Date: 09/09/2010
  • Status: Abandoned Application
First Claim
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1. A liquid crystal display, comprising:

  • a liquid crystal module which contains an upper glass plate, a lower glass plate, plural pixel units, and plural thin film transistors;

    a backlight module which contains a visible light source and an infrared source;

    a driving and detecting module; and

    plural photo-sensors, each of which is installed on the glass plate in every pixel cell, which are used for sensing the infrared rays which are first emitted from the light source, then pass through the liquid crystal module, and are finally reflected from the touch finger of the user using the optical touch-sensitive liquid crystal display, and are used to provide the sensed signals for the determination of the touch location of the user finger.

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