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Logic circuit and display device having the same

  • US 8,289,052 B2
  • Filed: 09/30/2010
  • Issued: 10/16/2012
  • Est. Priority Date: 10/09/2009
  • Status: Active Grant
First Claim
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1. A semiconductor device comprising:

  • a source follower circuit comprising an input portion, an output portion, and a bias input portion;

    a logic circuit comprising an input portion electrically connected to the output portion of the source follower circuit, the logic circuit comprising a transistor;

    a first wiring electrically connected to the source follower circuit, the first wiring being adapted to be supplied with a first constant low potential;

    a second wiring electrically connected to the logic circuit, the second wiring being adapted to be supplied with a second constant low potential;

    a third wiring electrically connected to the source follower circuit, the third wiring being adapted to be supplied with a first constant high potential; and

    a fourth wiring electrically connected to the logic circuit, the fourth wiring being adapted to be supplied with a second constant high potential,wherein the first constant low potential is lower than the second constant low potential.

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