发明名称 |
IC card and booking account system using the IC card |
摘要 |
It is an object of the present invention to provide a highly sophisticated functional card that can ensure security by preventing forgery such as changing a picture of a face, and display other images as well as the picture of a face. A card comprising a display device and a thin film integrated circuit; wherein driving of the display device is controlled by the thin film integrated circuit; a semiconductor element used for the thin film integrated circuit and the display device is formed by using a polycrystalline semiconductor film; the thin film integrated circuit and the display device are sealed with a resin between a first substrate and a second substrate of the card; and the first substrate and the second substrate are plastic substrates.
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申请公布号 |
US7518692(B2) |
申请公布日期 |
2009.04.14 |
申请号 |
US20030739084 |
申请日期 |
2003.12.19 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
YAMAZAKI SHUNPEI;TAKAYAMA TORU;MARUYAMA JUNYA;GOTO YUUGO;OHNO YUMIKO;AKIBA MAI |
分类号 |
G02F1/1339;G06K19/073;G02F1/1345;G06K19/077;G07F7/10 |
主分类号 |
G02F1/1339 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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