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TOUCH SCREEN PANEL TYPE LIQUID CRYSTAL DISPLAY

  • US 20090146945A1
  • Filed: 11/12/2008
  • Published: 06/11/2009
  • Est. Priority Date: 12/07/2007
  • Status: Active Grant
First Claim
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1. A touch screen panel type liquid crystal display, comprising:

  • an upper substrate comprising a first insulating substrate, a transparent conductive layer on the first insulating substrate, and a first polarizer on the transparent conductive layer;

    a lower substrate comprising a second insulating substrate, a second polarizer on the second insulating substrate, and a thin film transistor layer, the second insulating substrate being between the thin film transistor layer and the second polarizer;

    a liquid crystal layer between the upper substrate and the lower substrate; and

    a signal detection unit to detect a contact point of a position signal input unit when the position signal input unit, which contacts the first polarizer, is capacitively coupled with the transparent conductive layer.

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