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Display Device Provided With Optical Input Function

  • US 20090122024A1
  • Filed: 10/29/2008
  • Published: 05/14/2009
  • Est. Priority Date: 10/30/2007
  • Status: Abandoned Application
First Claim
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1. A display device comprising:

  • an image display unit configured to display an image on a display screen;

    an optical input unit configured to pick up an image of an object adjacent to the display screen;

    a coordinate calculator configured to calculate position coordinates of the object by using the picked-up image;

    a driver configured to apply any of an electric signal and physical vibration to the display screen;

    a detector configured to detect a change in any of the electric signal and the vibration applied to the display screen; and

    a contact determination unit configured to determine, based on the change, whether or not the object touches the display screen.

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