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

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Goto, Yuugo, Ohno, Yumiko, Takayama, Toru, Maruyama, Junya, Akiba, Mai, Yamazaki, Shunpei
• Granted Patent: US 7,518,692 B2
• Time in Patent Office: Days
• US Class Current: 174/250
• CPC Class Codes: G06K 19/077 Constructional details, e.g. mounting of circuits in the carrier
• CPC Class Codes: G06K 19/07703 the interface being visual
• CPC Class Codes: G06K 19/07749 the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
• CPC Class Codes: G06Q 20/341 Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
• CPC Class Codes: G06Q 20/40145 Biometric identity checks
• CPC Class Codes: G07F 7/1008 Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system

Abstract

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.

Claims

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.

2. A card according to claim 1, wherein the card has a thickness from 0.05 mm through 1.5 mm.

3. A card according to claim 1, wherein the display device is a passive matrix type.

4. A card according to claim 1, wherein the display device is an active matrix type.

9. A card according to claims 1, wherein the display device is a liquid crystal display device.

11. A card according to claim 1, wherein the display device is a light emitting device.

13. A card according to claims 1, wherein the card is an ID card.

15. A card according to claims 1, wherein the card is a semi-hard card.

17. A card according to claims 1, wherein the card is an IC card.

5. A card comprising:

a display device;

a plurality of thin film integrated circuits;

a first substrate; and

a second substrate,

wherein driving of the display device is controlled by the plurality of thin film integrated circuits,

wherein the plurality of thin film integrated circuits are laminated;

wherein the plurality of thin film integrated circuits 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.

6. A card according to claim 5, wherein the display device is a passive type.

7. A card according to claim 5, wherein the display device is an active matrix type.

8. A card according to claim 5, wherein the plurality of thin film integrated circuits each have a thickness from 1 μ

m to 5 μ

m.

10. A card according to claims 5, wherein the display device is a liquid crystal display device.

12. A card according to claim 5, wherein the display device is a light emitting device.

14. A card according to claims 5, wherein the card is an ID card.

16. A card according to claims 5, wherein the card is a semi-hard card.

18. A card according to claims 5, wherein the card is an IC card.

19. A booking-account system using 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;

the card has a thickness of from 0.05 mm through 1.5 mm;

amount of money of a dealing that is dealt with an bank account in a financial institution, a date or a bank balance of the dealing is memorized in the thin film integrated circuit; and

the memorized amount of money of the dealing, the date or the bank balance of the dealing is displayed in the display device.