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Electroluminescence display device

  • US 9,673,223 B2
  • Filed: 01/05/2015
  • Issued: 06/06/2017
  • Est. Priority Date: 11/19/1999
  • Status: Expired due to Fees
First Claim
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1. A portable information terminal comprising:

  • an antenna;

    an operation switch; and

    a display device comprising;

    a glass substrate;

    a base film over and in contact with the glass substrate; and

    a plurality of pixels over the base film,wherein at least one of the plurality of pixels comprises;

    a crystalline silicon layer over and in contact with the base film;

    a gate insulating film over and in contact with the crystalline silicon layer;

    a gate electrode over and in contact with the gate insulating film;

    a capacitor line over and in contact with the gate insulating film;

    a first insulating film over and in contact with the gate electrode, the capacitor line and the gate insulating film;

    a source electrode and a drain electrode over the first insulating film, the source electrode and the drain electrode being electrically connected to the crystalline silicon layer; and

    a pixel electrode over and electrically connected to one of the source electrode and the drain electrode,wherein the crystalline silicon layer is overlapped with a pixel electrode in a neighboring pixel which is adjacent to the one of the plurality of pixels with a gate line interposed therebetween,wherein the pixel electrode in the neighboring pixel crosses first and second end portions of the crystalline silicon layer,wherein the first end portion is opposite to the second end portion,wherein the gate electrode is a part of the gate line,wherein the capacitor line is provided over the crystalline silicon layer, andwherein the capacitor line extends in a direction parallel to the gate line.

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