Mobile terminal

1. A mobile terminal, comprising:

a wireless communication unit including one or more components which permit wireless communications between the mobile terminal and a wireless communication system;

a plurality of antennas configured to transmit or receive radio signals;

a metallic frame having a front side and a rear side, the metallic frame comprising:

a base portion,

an edge portion forming an appearance of the mobile terminal, and

a through hole disposed in a lower portion of the metallic frame;

a non-metallic coupling disposed in the through hole of the metallic frame;

a window disposed on the front side of the metallic frame;

a display module disposed between the window and the front side of the metallic frame;

a first waterproof layer disposed between the window and the front side of the metallic frame;

a cover disposed on the rear side of the metallic frame;

a first printed circuit board (PCB) disposed at an upper portion of the rear side of the metallic frame, wherein the wireless communication unit is mounted on the first PCB;

a second printed circuit board (PCB) disposed at a lower portion of the rear side of the metallic frame;

a second waterproof layer disposed between the cover and the rear side of the metallic frame; and

a thermal conductive member disposed between the wireless communication unit and the rear side of the metallic frame, the thermal conductive member being configured to transmit heat from the wireless communication unit to the metallic frame,

wherein a bottom portion of the edge portion of the metallic frame is configured to operate as a radiator of at least one of the plurality of antennas,

wherein the bottom portion of the edge portion of the metallic frame includes a first radiator separated from a second radiator by the non-metallic coupling,

wherein the second PCB is electrically connected to the first PCB,

wherein the second PCB is electrically connected to at least one of the first radiator or the second radiator, and

wherein the first radiator is configured to operate in a different frequency band than the second radiator.

2. The mobile terminal of claim 1 , wherein the metallic frame further comprises a first rib disposed at the rear side of the metallic frame,

wherein the first rib divides a first region from a second region at the rear side of the metallic frame,

wherein the first PCB is disposed in the first region at the upper portion of the rear side of the metallic frame, and

wherein a battery is disposed in the second region at a middle portion of the rear side of the metallic frame.

3. The mobile terminal of claim 2 , wherein the metallic frame further comprises a second rib disposed at the rear side of the metallic frame,

wherein the second rib divides a third region from the second region at the rear side of the metallic frame, and

wherein the battery is disposed in a space between the first PCB and the second PCB disposed in the third region.

4. The mobile terminal of claim 3 , wherein the first PCB is electrically connected to the second PCB by a connecting flexible PCB, and

wherein the battery is partially covered by the connecting flexible PCB.

5. The mobile terminal of claim 1 , wherein the metallic frame further comprises a first through portion for passing a display printed circuit board through the first through portion.

6. The mobile terminal of claim 5 , wherein the display printed circuit board is configured to electrically connect the display module with the first PCB.

7. The mobile terminal of claim 1 , wherein the first radiator and the second radiator are configured to operate simultaneously in different frequency bands.

8. The mobile terminal of claim 1 , wherein the first radiator and the second radiator both operate in LTE frequency bands, and the first radiator operates in a different LTE frequency band than the second radiator.

9. A mobile terminal, comprising:

a wireless communication unit including one or more components which permit wireless communications between the mobile terminal and a wireless communication system;

a plurality of antennas configured to transmit or receive radio signals;

a metallic frame having a front side and a rear side, the metallic frame comprising:

a base portion,

an edge portion forming an appearance of the mobile terminal,

an upper through hole disposed in an upper portion of the metallic frame, and

a lower through hole disposed in a lower portion of the metallic frame;

an upper non-metallic coupling disposed in the upper through hole of the metallic frame;

a lower non-metallic coupling disposed in the lower through hole of the metallic frame;

a window disposed on the front side of the metallic frame;

a display module disposed between the window and the front side of the metallic frame;

a first waterproof layer disposed between the window and the front side of the metallic frame;

a cover disposed on the rear side of the metallic frame;

a first printed circuit board (PCB) disposed at an upper portion of the rear side of the metallic frame, wherein the wireless communication unit is mounted on the first PCB;

a battery disposed at the rear side of the metallic frame;

a second printed circuit board (PCB) disposed at a lower portion of the rear side of the metallic frame;

a second waterproof layer disposed between the cover and the rear side of the metallic frame; and

a thermal conductive member disposed between the wireless communication unit and the rear side of the metallic frame, the thermal conductive member being configured to transmit heat from the wireless communication unit to the metallic frame,

wherein a portion of the metallic frame is configured to operate as ground,

wherein a bottom portion of the edge portion of the metallic frame is configured to operate as a radiator of at least one of the plurality of antennas,

wherein the bottom portion of the edge portion of the metallic frame includes a first radiator separated from a second radiator by the lower non-metallic coupling,

wherein the second PCB is electrically connected to the first PCB,

wherein the second PCB is electrically connected to at least one of the first radiator or the second radiator, and

wherein the first radiator is configured to operate in a different frequency band than the second radiator.

10. The mobile terminal of claim 9 , wherein the metallic frame further comprises a first rib and a second rib disposed at the rear side of the metallic frame,

wherein the first rib divides a first region where the first PCB is mounted from a second region where the battery is mounted,

wherein the second rib divides a third region where the second PCB is mounted from the second region where the battery is mounted, and

wherein the battery is disposed between the first PCB and second PCB.

11. The mobile terminal of claim 10 , wherein the first PCB is electrically connected to the second PCB by a connecting flexible PCB, and

wherein the battery is partially covered by the connecting flexible PCB.

12. The mobile terminal of claim 9 , wherein the first radiator and the second radiator are configured to operate simultaneously in different frequency bands.

13. The mobile terminal of claim 9 , wherein the first radiator and the second radiator both operate in LTE frequency bands, and the first radiator operates in a different LTE frequency band than the second radiator.

14. A mobile terminal, comprising:

a wireless communication unit including one or more components which permit wireless communications between the mobile terminal and a wireless communication system;

a plurality of antennas configured to transmit or receive radio signals;

a metallic frame having a front side and a rear side, the metallic frame comprising:

a base portion,

an edge portion forming an appearance of the mobile terminal,

an upper through hole disposed in an upper portion of the metallic frame, and

a lower through hole disposed in a lower portion of the metallic frame;

an upper non-metallic coupling disposed in the upper through hole of the metallic frame;

a lower non-metallic coupling disposed in the lower through hole of the metallic frame;

a window disposed on the front side of the metallic frame;

a display module disposed between the window and the front side of the metallic frame;

a first thermal conductive member provided between the display module and the front side of the metallic frame, the first thermal conductive member being configured to transmit heat from the display module to the metallic frame;

a first waterproof layer disposed between the window and the front side of the metallic frame;

a cover disposed on the rear side of the metallic frame;

a first printed circuit board (PCB) disposed at an upper portion of the rear side of the metallic frame, wherein the wireless communication unit is mounted on the first PCB;

a battery disposed at the rear side of the metallic frame;

a second printed circuit board (PCB) disposed at a lower portion of the rear side of the metallic frame;

a second waterproof layer disposed between the cover and the rear side of the metallic frame; and

a second thermal conductive member disposed between the wireless communication unit and the rear side of the metallic frame, the second thermal conductive member being configured to transmit heat from the wireless communication unit to the metallic frame,

wherein a portion of the metallic frame is configured to operate as ground,

wherein a bottom portion of the edge portion of the metallic frame is configured to operate as a radiator of at least one of the plurality of antennas,

wherein the bottom portion of the top edge portion of the metallic metal frame includes a first radiator separated from a second radiator by the lower non-metallic coupling,

wherein the second PCB is electrically connected to the first PCB,

wherein the second is electrically connected to at least one of the first radiator or the second radiator, and

wherein the first radiator is configured to operate in a different frequency band than the second radiator.

15. The mobile terminal of claim 14 , wherein the first PCB is electrically connected to the second PCB by a connecting flexible PCB, and

wherein the battery is partially covered by the connecting flexible PCB.

16. The mobile terminal of claim 14 , wherein the first radiator and the second radiator are configured to operate simultaneously in different frequency bands.

17. The mobile terminal of claim 14 , wherein the first radiator and the second radiator both operate in LTE frequency bands, and the first radiator operates in a different LTE frequency band than the second radiator.

18. The mobile terminal of claim 14 , wherein the first radiator and the second radiator are configured to operate simultaneously, and

wherein both of the first radiator and the second radiator operate in a signal reception function.

19. A mobile terminal, comprising:

a wireless communication unit including one or more components which permit wireless communications between the mobile terminal and a wireless communication system;

a plurality of antennas configured to transmit or receive radio signals;

a metallic frame having a front side and a rear side, the metallic frame comprising:

a base portion,

an edge portion forming an appearance of the mobile terminal,

an upper through hole disposed in an upper portion of the metallic frame, and

a lower through hole disposed in a lower portion of the metallic frame;

an upper non-metallic coupling disposed in the upper hole of the metallic frame;

a lower non-metallic coupling disposed in the lower through hole of the metallic frame;

a window disposed on the front side of the metallic frame;

a display module disposed between the window and the front side of the metallic frame;

a first thermal conductive member provided between the display module and the front side of the metallic frame, the first thermal conductive member being configured to transmit heat from the display module to the metallic frame;

a first waterproof layer disposed between the window and the front side of the metallic frame;

a cover disposed on the rear side of the metallic frame;

a first printed circuit board (PCB) disposed at an upper portion of the rear side of the metallic frame, wherein the wireless communication unit is mounted on the first PCB;

a battery disposed at the rear side of the metallic frame;

a second printed circuit board (PCB) disposed at a lower portion of the rear side of the metallic frame;

a second waterproof layer disposed between the cover and the rear side of the metallic frame, and

a second thermal conductive member disposed between the wireless communication unit and the rear side of the metallic frame, the second thermal conductive member being configured to transmit heat from the wireless communication unit to the metallic frame,

wherein a portion of the metallic frame is configured to operate as ground,

wherein a bottom portion of the edge portion of the metallic frame is configured to operate as a radiator of at least one of the plurality of antennas,

wherein the bottom portion of the edge portion of the metallic frame includes a first radiator separated from a second radiator by the lower non-metallic coupling,

wherein the metallic frame comprises a first region, a second region and a third region at the rear side of the metallic frame,

wherein the first PCB is disposed in the first region,

wherein the second PCB is disposed in the third region,

wherein the battery is disposed in the second region between the first region and the second region,

wherein the first PCB and second PCB are electrically connected by a connecting flexible printed circuit board (PCB),

wherein the second PCB is electrically connected to at least one of the first radiator or the second radiator, and

wherein the first radiator is configured to operate in a different frequency band than the second radiator.

20. The mobile terminal of claim 19 , wherein the first radiator and the second radiator are configured to operate simultaneously in different frequency bands.

21. The mobile terminal of claim 19 , wherein the first radiator and the second radiator both operate in LTE frequency bands, and the first radiator operates in a different LTE frequency band than the second radiator.

22. The mobile terminal of claim 19 , wherein the first radiator and the second radiator are configured to operate simultaneously, and

wherein both of the first radiator and the second radiator operate in a signal reception function.

23. The mobile terminal of claim 19 , wherein the metallic frame further comprises a first rib and a second rib disposed at the rear side of the metallic frame,

wherein the first region and the second region are divided by the first rib, and

wherein the second region and the third region are divided by the second rib.