Semiconductor device

• US 7,710,270 B2
• Filed: 03/14/2007
• Issued: 05/04/2010
• Est. Priority Date: 03/15/2006
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Ishii, Masato, Kurokawa, Yoshiyuki, Atsumi, Tomoaki, Shionoiri, Yutaka, Ikeda, Takayuki, Koyama, Jun, Yamazaki, Shunpei, Osada, Takeshi
• Primary Examiner(s): TWEEL JR, JOHN ALEXANDER
• Application Number:
  US11/717,686
• Publication Number:
  US 20070229281A1
• Time in Patent Office: 1,147 Days
• Field of Search: 340/572.1, 340/572.2, 340/572.4, 340/10.1, 235/451, 235/487
• US Class Current: 340/572.1
• CPC Class Codes: G06K 19/06037 multi-dimensional coding
• CPC Class Codes: G06K 19/0707 the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation G06K19/0702 takes precedence
• CPC Class Codes: H01L 2223/6677 for antenna, e.g. antenna included within housing of semiconductor device antennas per se H01Q
• CPC Class Codes: H01L 23/5227 Inductive arrangements or effects of, or between, wiring layers other inductive arrangements H01L23/645
• CPC Class Codes: H01L 27/1214 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
• CPC Class Codes: H01L 27/1255 integrated with passive devices, e.g. auxiliary capacitors
• CPC Class Codes: H01L 27/1266 the substrate on which the devices are formed not being the final device substrate, e.g. using a temporary substrate
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H01M 10/052 Li-accumulators
• CPC Class Codes: H01M 10/30 Nickel accumulators H01M10/34 takes precedence
• CPC Class Codes: H01M 10/345 Gastight metal hydride accumulators
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01Q 1/2225 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
• CPC Class Codes: H01Q 1/248 provided with an AC/DC converting device, e.g. rectennas
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 9/285 Planar dipole H01Q9/065 takes precedence; patch antenna H01Q9/0407
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

An object is to provide a semiconductor device including an RFID which can transmit/receive individual information without a change of a battery accompanied by deterioration over time of the battery as a drive power source, and to which driving power can be supplied to keep a favorable transmission/reception state of the individual information even when an external electromagnetic wave is not sufficient. The semiconductor device includes a signal processing circuit, a first antenna circuit and a second antenna circuit operationally connected to the signal processing circuit, and a battery operationally connected to the signal processing circuit, in which the first antenna circuit transmits/receives a signal for transmitting data stored in the signal processing circuit; the second antenna circuit receives a signal for charging the battery; and a signal received by the first antenna circuit and a signal received by the second antenna circuit have different wavelengths.

Claims

1. A semiconductor device comprising:

a signal processing circuit;

a first antenna circuit operationally connected to the signal processing circuit;

a second antenna circuit operationally connected to the signal processing circuit; and

a battery operationally connected to the signal processing circuit; and

a booster antenna;

wherein the first antenna circuit receives a first signal, and transmits a second signal for transmitting data stored in the signal processing circuit,

the second antenna circuit receives a third signal for charging the battery,

the first signal and the third signal have different wavelengths from each other, and

the booster is provided between the first antenna and the second antenna.

2. The semiconductor device according to claim 1, wherein the battery supplies power to a power source circuit included in the signal processing circuit.

3. The semiconductor device according to claim 1, wherein at least one of the first signal and the third signal is received by an electromagnetic induction method.

4. The semiconductor device according to claim 1, wherein the second antenna circuit includes a plurality of antenna circuits that receive different wavelengths.

5. The semiconductor device according to claim 1, wherein the battery is a lithium ion battery, a nickel hydride battery, a nickel cadmium battery, an organic radical battery, or a capacitor.

6. An ID label, an ID tag, or an ID card comprising the semiconductor device according to claim 1.

7. A semiconductor device comprising:

a signal processing circuit;

a first antenna circuit operationally connected to the signal processing circuit;

a second antenna circuit operationally connected to the signal processing circuit; and

a battery operationally connected to the signal processing circuit; and

a booster antenna;

wherein the first antenna circuit receives a first signal from a reader/writer, and transmit a second signal to the reader/writer for transmitting data stored in the signal processing circuit,

the second antenna circuit receives an external radio signal for charging the battery from,

the first signal and the external radio signal have different wavelengths from each other, and

the booster is provided between the first antenna and the second antenna.

8. The semiconductor device according to claim 7, wherein the battery supplies power to a power source circuit included in the signal processing circuit.

9. The semiconductor device according to claim 7, wherein at least one of the first signal and the external radio signal is received by an electromagnetic induction method.

10. The semiconductor device according to claim 7, wherein the second antenna circuit includes a plurality of antenna circuits that receive different wavelengths.

11. The semiconductor device according to claim 7, wherein the battery is a lithium ion battery, a nickel hydride battery, a nickel cadmium battery, an organic radical battery, or a capacitor.

12. An ID label, an ID tag, or an ID card comprising the semiconductor device according to claim 7.

13. A semiconductor device comprising:

a signal processing circuit;

a first antenna circuit operationally connected to the signal processing circuit;

a second antenna circuit operationally connected to the signal processing circuit;

a battery operationally connected to the signal processing circuit; and

a first booster antenna and a second booster antenna,

wherein the first antenna circuit receives a first signal from a reader/writer through the first booster antenna, and transmits a second signal through the first booster antenna for transmitting data stored in the signal processing circuit;

the second antenna circuit receives a third signal for charging the battery through the second booster antenna; and

the first signal and the third signal have different wavelengths from each other.

14. The semiconductor device according to claim 13, wherein the battery supplies power to a power source circuit included in the signal processing circuit.

15. The semiconductor device according to claim 13, wherein one of the first antenna circuit and the second antenna circuit receives a signal by an electromagnetic induction method.

16. The semiconductor device according to claim 13, wherein the second antenna circuit includes a plurality of antenna circuits that receive different wavelengths.

17. The semiconductor device according to claim 13, wherein the battery is a lithium ion battery, a nickel hydride battery, a nickel cadmium battery, an organic radical battery, or a capacitor.

18. An ID label, an ID tag, or an ID card comprising the semiconductor device according to claim 13.

19. A semiconductor device comprising:

a signal processing circuit;

a first antenna circuit which is operationally connected to the signal processing circuit;

a plurality of second antenna circuits;

a battery which is operationally connected to the signal processing circuit; and

a first booster antenna and a second booster antenna,

wherein the first antenna circuit is a circuit that transmits/receives to/from a reader/writer a signal through the first booster antenna for transmitting data stored in the signal processing circuit,

the second antenna circuit is a circuit that receives a signal for charging the battery from an external radio signal through the second booster antenna,

a signal received by the first antenna circuit and a signal received by the second antenna circuit have different wavelengths.

20. The semiconductor device according to claim 19, wherein the battery supplies power to a power source circuit included in the signal processing circuit.

21. The semiconductor device according to claim 19, wherein one of the first antenna circuit and the second antenna circuit receives a signal by an electromagnetic induction method.

22. The semiconductor device according to claim 19, wherein the second antenna circuit includes a plurality of antenna circuits that receive different wavelengths.

23. The semiconductor device according to claim 19, wherein the battery is a lithium ion battery, a nickel hydride battery, a nickel cadmium battery, an organic radical battery, or a capacitor.

24. An ID label, an ID tag, or an ID card comprising the semiconductor device according to claim 19.