COMPLEX DEVICE AND ELECTRONIC DEVICE HAVING THE SAME

• US 20150126112A1
• Filed: 10/31/2014
• Published: 05/07/2015
• Est. Priority Date: 11/01/2013
• Status: Active Grant

• Current Assignee: InnoChips Technology Co., Ltd.
• Original Assignee: InnoChips Technology Co., Ltd.
• Inventors: PARK, In Kil, NOH, Tae Hyung, PARK, Sung Cheol, KIM, Young Sul, CHOI, Soon Dong, JUNG, In Seob, PARK, Wan, SHIN, Hee Seob
• Granted Patent: US 9,484,768 B2
• Time in Patent Office: Days
• US Class Current: 455/41.1
• CPC Class Codes: B06B 1/06 operating with piezoelectric effect or with electrostriction piezoelectric or electrostrictive devices per se H10N30/00
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H04M 1/026 Details of the structure or mounting of specific components
• CPC Class Codes: H04M 1/185 Improving the rigidity of the casing or resistance to shocks
• CPC Class Codes: H04M 1/7246 by connection of exchangeable housing parts
• CPC Class Codes: H04M 2250/04 including near field communication means, e.g. RFID
• CPC Class Codes: H04R 2217/00 Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Abstract

Provided are a complex device including a piezoelectric device, a wire patch cell (WPC) antenna disposed on one surface of the piezoelectric device, the WPC antenna being connected to two antenna patterns that are vertically spaced apart from each other, and a near field communication (NFC) antenna disposed outside the WPC antenna and an electronic device having the same.

Claims

1. A complex device comprising:

a piezoelectric device;

a wire patch cell (WPC) antenna disposed on one surface of the piezoelectric device, the WPC antenna being connected to two antenna patterns that are vertically spaced apart from each other; and

a near field communication (NFC) antenna disposed outside the WPC antenna.

2. The complex device of claim 1, further comprising a vibration transfer body contacting at least one area of a stacked structure in which the piezoelectric device, the WPC antenna, and the NFC antenna are stacked, the vibration transfer body being disposed to be spaced apart form one surface of the stacked structure.

3. The complex device of claim 2, wherein the WPC antenna comprises a first WPC antenna pattern disposed on a first sheet that is provided on one surface of the piezoelectric device and a second WPC antenna pattern disposed on a second sheet that is provided on the first sheet.

4. The complex device of claim 3, further comprising:

a first connection hole defined in the second sheet to connect the first and second WPC antennas to each other; and

a first withdrawal pattern disposed on the first sheet, the first withdrawal pattern being connected to the first WPC antenna and withdrawn to the outside.

5. The complex device of claim 4, wherein the NFC antenna is disposed on the second sheet outside the second WPC antenna, and at least one portion of the NFC antenna is cut.

6. The complex device of claim 5, further comprising:

at least one connection pattern disposed on the first sheet;

at least one second connection hole defined in the second sheet to connect the NFC antenna to the connection pattern; and

a second withdrawal pattern disposed on the first sheet, the second withdrawal pattern being connected to the NFC antenna and withdrawn to the outside.

7. The complex device of claim 6, wherein the first sheet comprises a magnetic sheet, and the second sheet comprises a nonmagnetic sheet.

8. The complex device of claim 7, wherein the piezoelectric device and the first and second sheets are co-fired.

9. The complex device of claim 6, wherein each of the first and second sheets is formed of a polymer.

10. The complex device of claim 9, further comprising a cover sheet disposed on the second sheet and a magnetic sheet spaced apart from the other surface of the piezoelectric device.

11. The complex device of claim 10, further comprising:

a frame configured to fasten an edge of the stacked structure comprising the first and second sheets; and

a cover disposed on at least one side of the frame.

12. A complex device comprising:

a body separably coupled to a rear surface of an electronic device; and

a complex device module coupled to a predetermined area of the body,

wherein the complex device module is constituted by a piezoelectric device, a WPC antenna, and an NFC antenna, which are coupled to each other.

13. The complex device of claim 12, wherein the complex device module comprises:

the piezoelectric device;

the WPC antenna disposed on one surface of the piezoelectric device, the WPC antenna being connected to two antenna patterns that are vertically spaced apart from each other; and

the NFC antenna disposed outside the WPC antenna.

14. The complex device of claim 13, further comprising a vibration transfer body contacting at least one area of a stacked structure in which the piezoelectric device, the WPC antenna, and the NFC antenna are stacked, the vibration transfer body being disposed to be spaced apart form one surface of the stacked structure.

15. The complex device of claim 14, wherein the WPC antenna comprises:

a first WPC antenna pattern disposed on a first sheet that is provided on one surface of the piezoelectric device;

a second WPC antenna pattern disposed on a second sheet that is provided on the first sheet;

a first connection hole defined in the second sheet to connect the first and second WPC antennas to each other; and

a first withdrawal pattern disposed on the first sheet, the first withdrawal pattern being connected to the first WPC antenna and withdrawn to the outside.

16. The complex device of claim 15, wherein the NFC antenna comprises:

an NFC antenna pattern disposed on the second sheet outside the second WPC antenna and of which at least one portion is cut;

at least one connection pattern disposed on the first sheet;

at least one second connection hole defined in the second sheet to connect the NFC antenna to the connection pattern; and

a second withdrawal pattern disposed on the first sheet, the second withdrawal pattern being connected to the NFC antenna and withdrawn to the outside.

17. The complex device of claim 16, wherein the first sheet comprises a magnetic sheet, and the second sheet comprises a nonmagnetic sheet, and

the piezoelectric device and the first and second sheets are co-fired.

18. The complex device of claim 16, wherein each of the first and second sheets is formed of a polymer, and

the complex device further comprises a cover sheet disposed on the second sheet and a magnetic sheet spaced apart from the other surface of the piezoelectric device.

19. The complex device of claim 14, wherein the body has the same shape as a rear cover of the electronic device and is coupled after the rear cover of the electronic device is separated.

20. The complex device of claim 19, wherein an opening is defined in a predetermined area of the body, and

the complex device module is inserted into the opening.

21. The complex device of claim 19, wherein the body has a predetermined area that protrudes outward to define an accommodation space therein so that the complex device module is inserted into the accommodation space.

22. The complex device of claim 19, wherein the complex device module comprises:

a first connection terminal having one side connected to the piezoelectric device and the other side exposed to the outside, the first connection terminal being connected to a sound output terminal disposed on a rear surface of the electronic device; and

a second connection terminal having one side connected to the WPC antenna and the NFC antenna and the other side exposed to the outside, the second connection terminal being connected to a WPC terminal and NFC terminal that are disposed on the rear surface of the electronic device.

23. The complex device of claim 19, further comprising a flip cover disposed on one side surface of the body to cover a front surface of the electronic device.

24. An electronic device to which a complex device module is coupled to a rear surface thereof, the electronic device comprising:

a body separably coupled to the rear surface of the electronic device; and

a complex device module coupled to a predetermined area of the body,

wherein the complex device module is constituted by a piezoelectric speaker, a WPC antenna, and an NFC antenna, which are coupled to each other.

25. The electronic device of claim 24, wherein the complex device module comprises:

a piezoelectric device;

the WPC antenna disposed on one surface of the piezoelectric device, the WPC antenna being connected to two antenna patterns that are vertically spaced apart from each other;

the NFC antenna disposed outside the WPC antenna; and

a vibration transfer body contacting at least one area of a stacked structure in which the piezoelectric device, the WPC antenna, and the NFC antenna are stacked, the vibration transfer body being disposed to be spaced apart form one surface of the stacked structure.

26. The electronic device of claim 25, wherein the vibration transfer body is away from or close to the piezoelectric device from an edge thereof toward a central portion thereof or is maintained at the distance with respect to the piezoelectric device.

27. The electronic device of claim 26, wherein the vibration transfer body of the complex device module contacts a vibration amplification object to amplify a sound pressure and output that are outputted from the piezoelectric speaker.