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Liquid crystal display device and touch panel

  • US 10,007,133 B2
  • Filed: 02/21/2017
  • Issued: 06/26/2018
  • Est. Priority Date: 10/12/2012
  • Status: Active Grant
First Claim
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1. A method for manufacturing a liquid crystal display device comprising the steps of:

  • forming a transistor over a first substrate, the transistor comprising an oxide semiconductor film which includes a channel formation region;

    forming an insulating film over the transistor;

    forming a pixel electrode over the insulating film, the pixel electrode being in electrical contact with the transistor;

    heating the first substrate and a second substrate to perform dry treatment after forming the pixel electrode;

    dropping a liquid crystal material on the second substrate after heating the second substrate; and

    bonding the first substrate and the second substrate with each other with the liquid crystal material interposed therebetween,wherein the steps of heating the first substrate and the second substrate, and dropping the liquid crystal material are successively performed without exposure to air.

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