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Electro-optical devices

  • US 6,380,919 B1
  • Filed: 11/27/1996
  • Issued: 04/30/2002
  • Est. Priority Date: 11/29/1995
  • Status: Expired due to Term
First Claim
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1. An electro-optical device comprising:

  • a first data driver circuit provided over said substrate and comprising at least a first shift register;

    a second data driver circuit provided over said substrate and comprising at least a second shift register;

    a plurality of data signal odd-numbered lines provided over said substrate and branching out from said first data driver circuit, said data signal odd-numbered lines arranged on odd-numbered columns, respectively;

    a plurality of data signal even-numbered lines provided over said substrate and branching out from said second data driver circuit, said data signal even-numbered lines arranged on even-numbered columns, respectively;

    at least one pixel thin film transistor provided over said substrate in an active matrix and having a source region and a drain region one of which is connected to a corresponding one of said data signal odd-numbered lines; and

    at least one other pixel thin film transistor provided over said substrate in said active matrix and having a source region and a drain region one of which is connected to a corresponding one of said data signal even-numbered lines, wherein said data signal odd-numbered lines and said data signal even-numbered lines are arranged alternatively with a line space of 100 μ

    m or less between two adjacent lines thereof, and wherein first video signals for pixels arranged on a row are processed into second video signals shortened to half time length of said first video signals, wherein said second video signals are distributed to said data signal odd-numbered lines through said first shift register, wherein third video signals having an inverted waveform of said second video signals and having an opposite polarity to said second video signals are distributed to said data signal even-numbered lines through said second shift register, and wherein a select signal output from a last stage of said first shift register is entered to a first stage of said second shift register to conduct a line inversion in which said third video signals have the opposite polarity to said second video signals.

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