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Display device

  • US 7,205,988 B2
  • Filed: 07/11/2003
  • Issued: 04/17/2007
  • Est. Priority Date: 07/12/2002
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • display elements formed in vicinity of intersections of signal lines and scan lines aligned vertically and horizontally;

    sensors provided corresponding to said display elements;

    A/D converters which convert output signals of said sensors into digital signals; and

    a shift register which converts said digital signals into serial signals and outputs the serial signals,wherein said shift register has;

    a first shift register which converts said digital signal of m (m is an integer equal to or more than

         2) bits into a first serial signal and outputs the first serial signal;

    a second shift register which converts said digital signal of n (n is an integer equal to or more than

         2) bits into a second serial signal and outputs the second serial signal; and

    a serial signal selector which selects either of said first or second serial signal and outputs the selected signal.

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