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Electro-optical device and method of driving the same

  • US 5,500,538 A
  • Filed: 09/29/1994
  • Issued: 03/19/1996
  • Est. Priority Date: 12/20/1990
  • Status: Expired due to Term
First Claim
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1. An electro-optical device comprising:

  • a substrate having an insulating surface; and

    at least two thin film transistors formed on said substrate,wherein at least a channel of each of said thin film transistors contains oxygen at 4×

    1019 to 4×

    1021 atoms/cm3.

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