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Display device and display device correction system

  • US 6,535,207 B1
  • Filed: 04/13/1999
  • Issued: 03/18/2003
  • Est. Priority Date: 04/16/1998
  • Status: Expired due to Fees
First Claim
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1. A display device comprising:

  • a liquid crystal panel;

    a screen;

    a liquid crystal panel driver circuit; and

    a memory, wherein said display device displays video light obtained by irradiating with light said liquid crystal panel to which a video signal is inputted, and wherein said display device further comprises;

    an optical system provided between said liquid crystal panel and said screen;

    a detection means for obtaining display screen data from the video light, said detection means provided between said liquid crystal panel and said optical system;

    means for obtaining correction data on the basis of the display screen data;

    means for storing the correction data in a memory;

    means for correcting the video signal on the basis of the correction data stored in said memory; and

    means for inputting the corrected image data to said liquid crystal panel driver circuit.

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