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Light emitting device

  • US 8,952,385 B1
  • Filed: 07/03/2014
  • Issued: 02/10/2015
  • Est. Priority Date: 01/17/2001
  • Status: Expired due to Term
First Claim
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1. A light-emitting device including a pixel portion, the pixel portion comprising:

  • a first transistor including a channel formation region, a source region, a drain region, and a gate;

    a first insulating film over the first transistor;

    a first wiring over the first insulating film, the first wiring electrically connected to one of the source region and the drain region;

    a second insulating film over the first wiring;

    a pixel electrode over and in contact with the second insulating film; and

    a second wiring over and in contact with the second insulating film,wherein the channel formation region includes a first region,wherein the second wiring includes a second region,wherein the gate includes a third region, andwherein the first region, the second region, and the third region overlap with one another.

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