Mobile terminal

• US 10,097,227 B2
• Filed: 06/23/2017
• Issued: 10/09/2018
• Est. Priority Date: 10/17/2013
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kang, Jaehyuk, Jang, Jinho, Kim, Hyunseok
• Primary Examiner(s): Vuong, Quochien B
• Application Number:
  US15/632,012
• Publication Number:
  US 20170294932A1
• Time in Patent Office: 473 Days
• Field of Search: 455 903, 4555751, 4555757, 4555758, 343702, 343872, 343878
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1637 Details related to the display arrangement, including those related to the mounting of the display in the housing
• CPC Class Codes: G06F 1/1656 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 Class Codes: G06F 1/1658 related to the mounting of internal components, e.g. disc drive or any other functional module
• CPC Class Codes: G06F 1/182 with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
• CPC Class Codes: G06F 1/203 for portable computers, e.g. for laptops
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/44 using equipment having another main function to serve additionally as an antenna , e.g. means for giving an antenna an aesthetic aspectH01Q1/27 - H01Q1/34 take precedence
• CPC Class Codes: H04B 1/3833 Hand-held transceivers
• CPC Class Codes: H04B 2001/3894 Waterproofing of transmission device
• CPC Class Codes: H04M 1/0249 Details of the mechanical connection between the housing parts or relating to the method of assembly
• CPC Class Codes: H04M 1/026 Details of the structure or mounting of specific components
• CPC Class Codes: H04M 1/0262 for a battery compartment
• CPC Class Codes: H04M 1/0266 for a display module assembly
• CPC Class Codes: H04M 1/0277 for a printed circuit board assembly
• CPC Class Codes: H04M 1/18 Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment H04M1/19 takes precedence
• CPC Class Codes: H05K 5/0008 assembled by screws
• CPC Class Codes: H05K 5/03 Covers
• CPC Class Codes: H05K 5/04 Metal casings
• CPC Class Codes: H05K 5/069 Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
• CPC Class Codes: H05K 7/20436 : Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing

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.

Claims

1. A mobile terminal, comprising:

a wireless communication unit including one or more components and configured to permit wireless communications between the mobile terminal and a wireless communication system or between the mobile terminal and a network within which the mobile terminal is located;

a window coupled to a display unit;

a first cover including a window mounting portion for mounting the window and the display unit inserting portion for inserting the display unit;

a metallic case including a base portion and an edge portion;

a non-metallic coupling, wherein the base portion of the metallic case is partitioned from the edge portion of the metallic case by the non-metallic coupling;

a first waterproof layer arranged between the window and a first side of the window mounting portion of the first cover;

a second waterproof layer arranged between a second side of the window mounting portion that is opposite to the first side of the window mounting portion of the first cover and the metallic case;

a main printed circuit board including an electronic device,

wherein the edge portion of the metallic case is configured to emit heat generated by the electronic device of the mobile terminal and includes a plurality of radiation portions configured to radiate wireless signals at different frequency bands,

wherein the base portion of the metallic case is configured to operate as a ground of the main printed circuit board or the plurality of radiation portions,

wherein the non-metallic coupling is formed as a single structure between the base portion of the metallic case and the edge portion of the metallic case, and

wherein a portion of the non-metallic coupling joins the edge portion of the metallic case with the base portion of the metallic case.

2. The mobile terminal of claim 1, wherein the metallic case is provided with ribs disposed at a rear side of the metallic case, and the ribs 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 a front side and the rear side of the metallic case,

wherein the metallic case 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.

3. The mobile terminal of claim 1, wherein the non-metallic coupling is formed as a single structure at a front side and a rear side of the metallic case, and

wherein the metallic case includes a hole penetrating between the front side of the metallic case and the rear side of the metallic case.

4. The mobile terminal of claim 1, wherein the plurality of radiation portions include a first radiation portion and a second radiation portion, and the first radiation portion and the second radiation portion are respectively configured to operate at different frequency bands, and

wherein the first and second radiation portions form radiators together with first and second conductive patterns consecutive to the first and second radiation portions respectively, and the first and second conductive patterns are formed at a carrier disposed between the first cover and a second cover disposed at a rear side of the metallic case.

5. The mobile terminal of claim 1, wherein the wireless communication unit is further configured to transceive signals corresponding to a voice service of the mobile terminal or a long term evolution (LTE) service of the mobile terminal.

6. The mobile terminal of claim 1, wherein the metallic case is provided with ribs disposed at a rear side of the metallic case, and the ribs divide a first region where the main printed circuit board is mounted from a second region where a battery is mounted.

7. The mobile terminal of claim 6, further comprising a sub printed circuit board disposed at a third region divided from the second region by the ribs,

wherein the metallic case is provided with a first through portion for passing a first flexible printed circuit board therethrough, and the first flexible printed circuit board is configured to connect the display unit to the sub printed circuit board.

8. The mobile terminal of claim 1, wherein the metallic case is thermally coupled to the electronic device by a thermal member disposed between the electronic device and the metallic case.

9. The mobile terminal of claim 1, wherein the first waterproof layer is disposed to fill a gap between the first cover and the metallic case.

10. A mobile terminal, comprising:

a wireless communication unit including one or more components and configured to permit wireless communications between the mobile terminal and a wireless communication system or between the mobile terminal and a network within which the mobile terminal is located;

a window coupled to a display unit;

a metallic case having a front side, a rear side, a top side, a bottom side, a base portion and an edge portion, and forming at least part of an appearance of a terminal body of the mobile terminal;

a non-metallic coupling, wherein the base portion of the metallic case is partitioned from the edge portion of the metallic case by the non-metallic coupling;

a cover for covering the rear side of the metallic case;

a first waterproof layer arranged between the window and the front side of the metallic case;

a second waterproof layer arranged between the rear side of the metallic case and the cover;

a main printed circuit board including an electronic device; and

a slit in the edge portion of the metallic case, wherein the slit is disposed at at least one of the top side of the metallic case or the bottom side of the metallic case,

wherein the edge portion of the metallic case is configured to emit heat generated by the electronic device of the mobile terminal and includes a plurality of radiation portions configured to radiate wireless signals at different frequency bands,

wherein the base portion of the metallic case is configured to operate as a ground of the main printed circuit board or the plurality of radiation portions,

wherein the non-metallic coupling is disposed in the slit and between the base portion of the metallic case and the edge portion of the metallic case, and

wherein a portion of the non-metallic coupling joins the edge portion of the metallic case with the base portion of the metallic case.

11. The mobile terminal of claim 10, wherein the metallic case is provided with ribs disposed at the rear side of the metallic case, and the ribs 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 case,

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.

12. The mobile terminal of claim 10, wherein the non-metallic coupling is formed as a single structure at the front and rear sides of the metallic case, and

wherein the metallic case includes a hole penetrating between the front side of the metallic case and the rear side of the metallic case.

13. The mobile terminal of claim 10, wherein the plurality of radiation portions include a first radiation portion and a second radiation portion, and the first radiation portion and the second radiation portion are respectively configured to operate at different frequency bands, and

wherein the first and second radiation portions form radiators together with first and second conductive patterns consecutive to the first and second radiation portions respectively, and the first and second conductive patterns are formed at a carrier disposed between the cover and a second cover disposed at the rear side of the metallic case.

14. The mobile terminal of claim 10, wherein the wireless communication unit is further configured to transceive signals corresponding to a voice service of the mobile terminal or a long term evolution (LTE) service of the mobile terminal.

15. The mobile terminal of claim 10, wherein the metallic case is provided with ribs disposed at the rear side of the metallic case, and the ribs divide a first region where the main printed circuit board is mounted from a second region where a battery is mounted.

16. The mobile terminal of claim 15, further comprising a sub printed circuit board disposed at a third region divided from the second region by the ribs,

wherein the metallic case is provided with a first through portion for passing a first flexible printed circuit board therethrough, and the first flexible printed circuit board is configured to connect the display unit to the sub printed circuit board.

17. The mobile terminal of claim 10, wherein the metallic case is thermally coupled to the electronic device by a thermal member disposed between the electronic device and the metallic case.

18. The mobile terminal of claim 10, wherein the second waterproof layer is disposed to fill a gap between the cover and the metallic case.

19. A mobile terminal, comprising:

a wireless communication unit including one or more components configured to permit wireless communications between the mobile terminal and a wireless communication system or between the mobile terminal and a network within which the mobile terminal is located, and transceive signals corresponding to a voice service of the mobile terminal or a long term evolution (LTE) service of the mobile terminal;

a window coupled to a display unit;

a first cover including a window mounting portion for mounting the window and a display unit inserting portion for inserting the display unit;

a metallic case having a front side, a rear side, a top side, a bottom side, a base portion and an edge portion, and forming at least part of an appearance of a terminal body of the mobile terminal;

a non-metallic coupling, wherein the base portion of the metallic case is partitioned from the edge portion of the metallic case by the non-metallic coupling;

a second cover for covering the rear side of the metallic case;

a third cover for covering the second cover;

a first attaching layer arranged between the window and a first side of the window mounting portion of the first cover;

a second attaching layer arranged between a second side of the window mounting portion that is opposite to the first side of the window mounting portion of the first cover and the front side of the metallic case;

a waterproof layer disposed between the rear side of the metallic case and the third cover;

a main printed circuit board including an electronic device,

wherein the edge portion of the metallic case is configured to emit heat generated by the electronic device of the mobile terminal and includes a plurality of radiation portions configured to radiate wireless signals at different frequency bands,

wherein the base portion of the metallic case is configured to operate as a ground of the main printed circuit board or the plurality of radiation portions,

wherein the non-metallic coupling is formed as a single structure between the base portion of the metallic case and the edge portion of the metallic case, and

wherein a portion of the non-metallic coupling joins the edge portion of the metallic case with the base portion of the metallic case.

20. The mobile terminal of claim 19, wherein the metallic case is provided with ribs disposed at the rear side of the metallic case, and the ribs 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 case,

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.