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Connection apparatus for electrically conductive pads and touch control screen

  • US 9,807,879 B2
  • Filed: 10/18/2013
  • Issued: 10/31/2017
  • Est. Priority Date: 09/05/2012
  • Status: Active Grant
First Claim
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1. A connection apparatus for connecting electrically conductive pads in an in-cell capacitive touch screen with an integrated circuit, comprising:

  • a first substrate and a second substrate arranged in opposition such that an inside surface of the first substrate faces an inside surface of the second substrate, wherein the first substrate is transparent;

    an electrically conductive and curable glue layer comprising electrically conductive balls is arranged between one of the plurality of first electrically conductive pads and one of the plurality of second electrically conductive pads, wherein the electrically conductive balls connect said first electrically conductive pad and said second electrically conductive pad; and

    a plurality of cutouts disposed in one of the plurality of first electrically conductive pads in a periphery area of the in-cell capacitive touch screen, wherein the cutouts allow light to pass from the first substrate into the connecting area glue layer for better curing, and wherein at least one of the electrically conductive balls is arranged in a position corresponding to one of the cutouts; and

    wherein each of the plurality of first electrically conductive pads disposed with cutouts is covered with a first transparent electrically-conductive layer; and

    wherein the transparent electrically-conductive layer is arranged between the electrically conductive and curable glue layer and each of the plurality of first electrically conductive pads.

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