Antenna device and electronic device with the same

1. An electronic device comprising:

a printed circuit board (PCB);

a shield can disposed on the PCB and made of a conductive metallic material, the shield can serves to shield electronic components of the PCB and absorb heat generated from the electronic components;

an antenna radiator of which at least a part enters an internal space of the shield can and is installed at an inner surface of the shield can; and

an electrical connecting means which is installed at a corresponding position of the PCB so as to be electrically connected with the at least a part of the antenna radiator installed at the inner surface of the shield can,

wherein a ferrite film is disposed between the antenna radiator and the shield can, and

wherein the antenna radiator is stacked with the ferrite film.

2. The device of claim 1 , wherein the shield can is fastened to the PCB.

3. The device of claim 1 , wherein the antenna radiator is defined as a flexible printed circuit in which a conductive pattern is disposed in a loop shape.

4. The device of claim 1 , wherein the antenna radiator is used for short range communication.

5. The device of claim 4 , wherein the antenna radiator is used for one of RFID communication and NFC communication.

6. The device of claim 1 , wherein the shield can comprises:

an upper surface having a predetermined size;

a side surface which is bent along an edge of the upper surface to have a predetermined height; and

an opening defined in the shield can,

wherein the at least a part of the antenna radiator enters an internal space of the shield through the opening.

7. The device of claim 6 , wherein the at least a part of the antenna radiator is bent through the opening.

8. The device of claim 7 , wherein the opening is defined in the upper surface, and the at least a part of the antenna radiator is installed at an inner surface opposite to the upper surface.

9. The device of claim 7 , wherein the opening is defined in the side surface, and the at least a part of the antenna radiator is installed at an inner side surface opposite to the side surface.

10. The device of claim 6 , wherein the at least a part of the antenna radiator comprises a feeding pad which is electrically connected with a feeding portion of the PCB.

11. The device of claim 10 , wherein the electrical connecting means electrically connects the feeding portion and the feeding pad.

12. The device of claim 11 , wherein the electrical connecting means is integrally formed by bending a metal plate.

13. The device of claim 11 , wherein the electrical connecting means is one of a C-clip and a conductive tape of which one end is connected with the feeding portion, and the other end is connected with the feeding pad.

14. The device of claim 13 , wherein the C-clip comprises,

a fixing end which is fastened to the PCB and connected with the feeding portion; and

a free end which extends from the fixing end and then bent to be elastically deformed.

15. A shield can comprising:

an upper surface;

an inner surface which is opposite to the upper surface;

an opening which is defined in at least a portion of the upper surface to pass through to the inner surface; and

an antenna radiator of which at least a part is installed at the upper surface,

wherein a feeding portion of the antenna radiator is installed at the inner surface through the opening, and

the shied can is made of a conductive metallic material, the shield can serves to shield electronic components and absorb heat generated from the electronic components,

wherein a ferrite film is disposed between the upper surface and the antenna radiator, and

wherein the antenna radiator is stacked with the ferrite film.

16. The shield can of claim 15 , wherein the antenna radiator is used for one of RFID communication and NFC communication.