SEMICONDUCTOR DEVICE AND DRIVING METHOD OF THE SAME

• US 20090121874A1
• Filed: 01/07/2009
• Published: 05/14/2009
• Est. Priority Date: 10/18/2004
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: YAMAZAKI, Shunpei, ABE, Hiroko, NOMURA, Ryoji, IWAKI, Yuji
• Granted Patent: US 8,089,799 B2
• Time in Patent Office: Days
• US Class Current: 340/572.100
• CPC Class Codes: B82Y 10/00 Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
• CPC Class Codes: G11C 13/0014 comprising cells based on organic memory material
• CPC Class Codes: G11C 13/0059 Security or protection circuits or methods
• CPC Class Codes: G11C 13/04 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
• CPC Class Codes: G11C 16/22 Safety or protection circuits preventing unauthorised or accidental access to memory cells
• CPC Class Codes: G11C 17/16 using electrically-fusible links
• CPC Class Codes: G11C 2213/77 Array wherein the memory element being directly connected to the bit lines and word lines without any access device being used
• CPC Class Codes: G11C 2213/79 Array wherein the access device being a transistor
• CPC Class Codes: H10K 19/202 Integrated devices comprising a common active layer
• CPC Class Codes: H10K 85/611 Charge transfer complexes
• CPC Class Codes: H10K 85/631 Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine

Abstract

The present invention provides a semiconductor device including a memory that has a memory cell array including a plurality of memory cells, a control circuit that controls the memory, and an antenna, where the memory cell array has a plurality of bit lines extending in a first direction and a plurality of word lines extending in a second direction different from the first direction, and each of the plurality of memory cells has an organic compound layer provided between the bit line and the word line. Data is written by applying optical or electric action to the organic compound layer.

Claims

1. Paper in which a wireless tag is implanted, the wireless tag comprising:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

2. The paper according to claim 1,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

3. The paper according to claim 1,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

4. The paper according to claim 1,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

5. The paper according to claim 1,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

6. An organic resin in which a wireless tag is implanted, the wireless tag comprising:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

7. The organic resin according to claim 6,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

8. The organic resin according to claim 6,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

9. The organic resin according to claim 6,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

10. The organic resin according to claim 6,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

11. A packaging material in which a wireless tag is implanted, the wireless tag comprising:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

12. The packaging material according to claim 11,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

13. The packaging material according to claim 11,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

14. The packaging material according to claim 11,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

15. The packaging material according to claim 11,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

16. A certificate in which a wireless tag is implanted, the wireless tag comprising:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

17. The certificate according to claim 16,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

18. The certificate according to claim 16,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

19. The certificate according to claim 16,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

20. The certificate according to claim 16,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

21. Paper money in which a wireless tag is implanted, the wireless tag comprising:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

22. The paper money according to claim 21,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

23. The paper money according to claim 21,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

24. The paper money according to claim 21,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

25. The paper money according to claim 21,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

26. Securities in which a wireless tag is implanted, the wireless tag comprising:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

27. The securities according to claim 26,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

28. The securities according to claim 26,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

29. The securities according to claim 26,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

30. The securities according to claim 26,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

31. A method to prevent user from falsifying an article, the method comprising a step of providing a wireless tag to the article,

wherein the wireless tag comprises:

a memory element formed on a flexible substrate; and

an antenna formed on the flexible substrate, the antenna being capable of receiving and sending electromagnetic field and supplying power for operating the memory element,

wherein the memory element comprises an organic compound layer disposed between a pair of electrodes.

32. The method according to claim 31,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes.

33. The method according to claim 31,

wherein the memory element is arranged to change a distance between the pair of electrodes when a voltage is applied between the pair of electrodes, and

wherein the change in distance between the pair of electrodes allows a part of one of the pair of electrodes and a part of the other of the pair of electrodes to be brought in contact with each other.

34. The method according to claim 31,

wherein the wireless tag further comprises a thin film transistor which is electrically connected to the memory element.

35. The method according to claim 31,

wherein the pair of electrodes comprises a conductive material selected from aluminum, copper, silver, and titanium.

36. The method according to claim 31,

wherein the article is selected from a bill, a coin, a security, a certificate, a container for wrapping, a book, a storage medium, a vehicle, a grocery, and a garment.