Mobile terminal

Patent metadata

Field	Value
Publication number	US-9720458-B2
Application number	US-201414464167-A
Country	US
Kind code	B2
Filing date	Aug 20, 2014
Priority date	Oct 17, 2013
Publication date	Aug 1, 2017
Grant date	Aug 1, 2017

Abstract

A mobile terminal comprises: a metallic frame; a first cover and a second cover coupled to a front surface and a rear surface of the metallic frame, respectively; and a first waterproof layer and a second waterproof layer formed between the first cover and the metallic frame, and between the second cover and the metallic frame, respectively, wherein the metallic frame includes: a base portion configured to support a display unit formed on the front surface of the metallic frame; and an edge portion formed along an outer periphery of the base portion so as to radiate heat generated from the base portion, and exposed to outside of the mobile terminal between the first cover and the second cover.

First claim

What is claimed is:

1. A mobile terminal, comprising:
a display unit;
a metallic frame having a front side and a rear side, and forming at least part of appearance of the terminal body; comprising:
a base portion thermally coupled to the display unit, and
an edge portion formed along an outer periphery of the base portion;

a first cover and a second cover disposed at the front and rear sides of the metallic frame, respectively;
a first waterproof layer and a second waterproof layer arranged between the first cover and the metallic frame, and between the second cover and the metallic frame, respectively;
a main printed circuit board (PCB) disposed at the rear side of the metallic frame; and
a non-metallic coupling formed between the edge portion and the base portion,
wherein the edge portion is configured to emit heat generated by an electronic device on the main printed circuit board,
wherein the edge portion includes a plurality of radiation portions configured to radiate wireless signals at different frequency bands,
wherein the metallic frame is provided with ribs disposed at the rear side of the metallic frame, so as to divide a first region where the main printed circuit board is mounted from a second region where a battery is mounted,
wherein the non-metallic coupling is formed as a single structure at the front and rear sides of the metallic frame,
wherein the metallic frame is provided with a hole penetrating between the front side and the rear side, and
wherein a portion of the non-metallic coupling passes through the hole and joins the non-metallic coupling on the front side with the non-metallic coupling on the rear side.

2. The mobile terminal of claim 1 , wherein the metallic frame is thermally coupled to the electronic device by arranging a thermal member between the electronic device and the metallic frame.

3. The mobile terminal of claim 1 , wherein the first waterproof layer is disposed to fill a gap between the first cover and the metallic frame, and
wherein the first waterproof layer is implemented as a waterproof member having opposing surfaces that are attached to the first cover and the metallic frame, respectively.

4. The mobile terminal of claim 1 , further comprising a conductive pattern formed on one surface of a carrier, the conductive pattern is electrically connected to the main printed circuit board,
wherein the radiation portion and the conductive pattern are connected to each other by a coupling portion penetratingly-formed at the carrier, and operate as a radiator of an antenna.

5. The mobile terminal of claim 4 , wherein the metallic frame includes:
a through hole configured to insert the coupling portion thereinto; and
a conductive connection portion which extends from an inner circumference of the through hole to the radiation portion, and
wherein the through hole and the conductive connection portion are formed at an upper end or a lower end of the mobile terminal.

6. The mobile terminal of claim 1 , further comprising a sub printed circuit board disposed at a third region divided from the second region by the ribs,
wherein the metallic frame is provided with a first through portion for passing a first flexible printed circuit board therethrough, the first flexible printed circuit board configured to connect the display unit and the sub printed circuit board with each other.

7. The mobile terminal of claim 6 , further comprising a coaxial cable configured to electrically-connect the main printed circuit board with the sub printed circuit board spaced apart from the main printed circuit board.

8. The mobile terminal of claim 1 , wherein the first waterproof layer is a double-sided tape.

9. The mobile terminal of claim 1 , wherein the non-metallic coupling is provided with a socket mounting portion for mounting a socket thereto, and an external device is electrically-connected to the socket.

10. A mobile terminal, comprising:
an organic light emitting diode (OLED) display unit;
a metallic frame having a front side and a rear side, and forming at least part of appearance of the terminal body; comprising:
a base portion thermally coupled to the display unit, and
an edge portion formed along an outer periphery of the base portion;

a first cover and a second cover disposed at the front and rear sides of the metallic frame, respectively;
a first waterproof layer and a second waterproof layer arranged between the first cover and the metallic frame, and between the second cover and the metallic frame, respectively;
a main printed circuit board (PCB) disposed at the rear side of the metallic frame; and
a non-metallic coupling formed between the edge portion and the base portion, wherein the edge portion is configured to emit heat generated by an electronic device on the main printed circuit,
wherein the metallic frame is provided with ribs disposed at the rear side of the metallic frame, so as to divide a first region where the main printed circuit board is mounted from a second region where a battery is mounted,
wherein the non-metallic coupling is formed as a single structure at the front and rear sides of the metallic frame,
wherein the metallic frame is provided with a hole penetrating between the front side and the rear side, and
wherein a portion of the non-metallic coupling passes through the hole and joins the non-metallic coupling on the front side with the non-metallic coupling on the rear side.

11. The mobile terminal of claim 10 , wherein the metallic frame is thermally coupled to the electronic device by arranging a thermal member between the electronic device and the metallic frame.

12. The mobile terminal of claim 10 , further comprising a sub printed circuit board disposed at a third region divided from the second region by the ribs,
wherein the metallic frame is provided with a first through portion for passing a first flexible printed circuit board therethrough, the first flexible printed circuit board configured to connect the display unit and the sub printed circuit board with each other.

13. A mobile terminal, comprising:
a display unit;
a metallic frame having a front side and a rear side, and forming at least part of appearance of the terminal body; comprising:
a base portion thermally coupled to the display unit, and
an edge portion formed along an outer periphery of the base portion;

a first cover and a second cover disposed at the front and rear sides of the metallic frame, respectively;
a first waterproof layer and a second waterproof layer arranged between the first cover and the metallic frame, and between the second cover and the metallic frame, respectively; and
a non-metallic coupling formed between the edge portion and the base portion,
wherein the edge portion is configured to emit heat generated by an electronic device on the main printed circuit board,
wherein the edge portion includes a plurality of radiation portions configured to radiate wireless signals at different frequency bands,
wherein the non-metallic coupling is formed as a single structure at the front and rear sides of the metallic frame,
wherein the metallic frame is provided with a hole penetrating between the front side and the rear side, and
wherein a portion of the non-metallic coupling passes through the hole and joins the non-metallic coupling on the front side with the non-metallic coupling on the rear side.

14. The mobile terminal of claim 13 , wherein the metallic frame is thermally coupled to the electronic device by arranging a thermal member between the electronic device and the metallic frame.

15. The mobile ter

Assignees

• Lg Electronics Inc

Inventors

• Kang Jaehyuk
• Jang Jinho
• Kim Hyunseok

Classifications

• H04B2001/3894

  Waterproofing of transmission device · CPC title

• H04M1/0249

  Details of the mechanical connection between the housing parts or relating to the method of assembly · CPC title

• H01Q1/44

  using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence) · CPC title

• G06F1/1656

  Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203) · CPC title

• H01Q1/243

  with built-in antennas · CPC title