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 IC 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. An IC card comprising a display device and a plurality of thin film integrated circuits; wherein driving of the display device is controlled by the plurality of thin film integrated circuits; a semiconductor element used for the plurality of thin film integrated circuits and the display device is formed by using a polycrystalline semiconductor film; the plurality of thin film integrated circuits are laminated; the display device and the plurality of thin film integrated circuits are equipped for the same printed wiring board; and the IC card has a thickness of from 0.05 mm to 1 mm. |
申请公布号 |
US8674493(B2) |
申请公布日期 |
2014.03.18 |
申请号 |
US201213618384 |
申请日期 |
2012.09.14 |
申请人 |
TAKAYAMA TORU;MARUYAMA JUNYA;GOTO YUUGO;OHNO YUMIKO;AKIBA MAI;SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
TAKAYAMA TORU;MARUYAMA JUNYA;GOTO YUUGO;OHNO YUMIKO;AKIBA MAI |
分类号 |
H01L23/498;G06K19/077;G07F7/10 |
主分类号 |
H01L23/498 |
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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