Array substrate, preparation method for array substrate, and display device

  • US 9,583,508 B2
  • Filed: 09/29/2014
  • Issued: 02/28/2017
  • Est. Priority Date: 02/17/2014
  • Status: Active Grant
First Claim
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1. An array substrate, comprising a gate electrode, a gate insulation layer, an active layer, a source electrode and a drain electrode, and a pixel electrode which are arranged on a substrate, wherein the active layer includes an electric conduction area, a coverage area covered by the source electrode and the drain electrode, and an exposure area surrounding the outer side of the coverage area, and the pixel electrode is lapped on the upper surfaces of the drain electrode, the exposure area of the active layer, and the gate insulation layer, wherein the thickness of the coverage area of the active layer is greater than that of the exposure area of the active layer.

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