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IC card and booking account system using the IC card

  • US 20040129450A1
  • Filed: 12/19/2003
  • Published: 07/08/2004
  • Est. Priority Date: 12/27/2002
  • Status: Active Grant
First Claim
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1. A card comprising:

  • a display device;

    a thin film integrated circuit;

    a first substrate; and

    a second substrate, wherein driving of the display device is controlled by the thin film integrated circuit, wherein a semiconductor element used for the thin film integrated circuit and the display device is formed by using a polycrystalline semiconductor film;

    wherein the thin film integrated circuit and the display device are sealed with a resin between the first substrate and the second substrate of the card, and wherein the first substrate and the second substrate comprise a plastic material.

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