ANTENNA MODULE AND MOBILE TERMINAL USING THE SAME

• US 20160164168A1
• Filed: 05/01/2015
• Published: 06/09/2016
• Est. Priority Date: 12/04/2014
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Choi, Jaehyun, CHOI, Hyengcheul, YOU, Chisang
• Granted Patent: US 9,685,694 B2
• Time in Patent Office: Days
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/48 Earthing means; Earth screens; Counterpoises
• CPC Class Codes: H01Q 1/50 Structural association of antennas with earthing switches, lead-in devices or lightning protectors
• CPC Class Codes: H01Q 1/52 Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure absorbing means H01Q17/00
• CPC Class Codes: H01Q 5/30 Arrangements for providing operation on different wavebands
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 9/26 with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength resonant loop antennas H01Q7/00

Abstract

The present disclosure relates to an antenna module and a mobile terminal having the same, and the antenna module may include a first conductive member connected to a feeding portion and a grounding portion, a second conductive member disposed to be separated from the first conductive member, a first connecting member configured to connect the first conductive member to the second conductive member at a position adjacent to the feeding portion, and a second connecting member configured to connect the first conductive member to the second conductive member at a position adjacent to the grounding portion, wherein a slit is formed on the first conductive member, and the slit is formed between the feeding portion and the grounding portion.

Claims

1. An antenna module, comprising:

a first conductive member connected to a feeding portion and a grounding portion, wherein the first conductive member is shaped to define a slit between the feeding portion and the grounding portion;

a second conductive member positioned relative to the first conductive member to define a region therebetween;

a first connecting member connecting the first conductive member to the second conductive member; and

a second connecting member connecting the first conductive member to the second conductive member.

2. The antenna module of claim 1, wherein the first connecting member connects the first conductive member to the second conductive member at a location between a portion connected to the feeding portion an end of the first conductive member.

3. The antenna module of claim 1, wherein the second connecting member connects the first conductive member to the second conductive member at a location between a portion connected to the grounding portion an end of the first conductive member.

4. The antenna module of claim 3, further comprising:

a third connecting member comprising first and second end portions, wherein the first end portion is connected to the first conductive member, and the second end portion is connected to the second conductive member,

wherein the first end portion is connected to the first conductive member at a location between the portion connected to the grounding portion and a portion connected to the second connecting member, and

wherein the second end portion is connected to the second conductive member at a location between the portion connected to the first connecting member and the portion connected to the second connecting member.

5. The antenna module of claim 4, further comprising:

a sub-arm comprising first and second end portions, wherein the first end portion of the sub-arm is connected to the first conductive member, the second conductive member, or grounded to the ground, and the second end portion of the sub-arm is open,

wherein the first end portion of the sub-arm is formed between a portion connected to the grounding portion and a portion connected to the third connecting member when the first end portion of the sub-arm is connected to the first conductive member, and

wherein the first end portion of the sub-arm is formed between a portion connected to the first connecting member and a portion connected to the third connecting member when the first end portion of the sub-arm is connected to the second conductive member, and

at least part of the second end portion of the sub-arm is formed adjacent to the second conductive member to be separated therefrom when the first end portion of the sub-arm is connected to the ground.

6. The antenna module of claim 1, wherein the first conductive member comprises a first portion connected to the grounding portion and a second portion connected to the feeding portion to form the slit separated from the first portion by a distance.

7. The antenna module of claim 6, wherein a first matching module for impedance matching is disposed on a feeding line connected to the feeding portion to feed the first conductive member.

8. The antenna module of claim 7, wherein a first variable switch for controlling a current flowing through the second portion is connected to the first matching module.

9. The antenna module of claim 6, wherein a second matching module for impedance matching is disposed on a grounding line connected to the grounding portion to ground the first conductive member.

10. The antenna module of claim 9, wherein a second variable switch for controlling a current flowing through the first portion is connected to the second matching module.

11. The antenna module of claim 10, wherein a third variable switch for controlling a current flowing through the sub-arm is formed on the sub-arm.

12. An antenna module, comprising:

a first conductive member fed by a first feeding portion;

a second conductive member disposed to be separated from the first conductive member and fed by a second feeding portion;

a first connecting member connecting the first conductive member to the second conductive member at a position adjacent to the first feeding portion; and

a second connecting member comprising a first end portion and a second end portion, wherein the first end portion is connected to the first conductive member and the second end portion is connected to the second conductive member, wherein a position of the first end portion is between a portion connected to the first feeding portion and an end of the first conductive member, and a position of the second end portion is between a portion connected to the second feeding portion and an end of the second conductive member,

wherein the first conductive member and second conductive member are open at a position adjacent to the second feeding portion.

13. The antenna module of claim 12, further comprising:

a sub-arm comprising first and second end portions formed on the second conductive member, wherein the first end portion of the sub-arm is formed between a portion connected to the second feeding portion and an open end of the second conductive member, and the second end portion of the sub-arm is open.

14. The antenna module of claim 13, further comprising:

a first block member formed between a portion connected to the second connecting member and a portion connected to the second feeding portion on the second conductive member to block a current generated from the second feeding portion from flowing to a first feeding portion.

15. The antenna module of claim 14, further comprising:

a second block member formed on a second feeding line connected to the second feeding portion to feed the second conductive member to block a current generated from the first feeding portion from flowing to a second feeding portion.

16. The antenna module of claim 12, wherein the first conductive member is grounded to the ground by a grounding line, and a second variable switch is formed on the grounding line.

17. The antenna module of claim 12, wherein a first matching module is formed on a first feeding line for feeding the first conductive member.

18. The antenna module of claim 17, wherein a first variable switch for controlling a current flowing through the first conductive member is connected to the first matching module.

19. The antenna module of claim 15, wherein the first block member and the second block member are configured to include a lumped element.

20. The antenna module of claim 13, wherein at least part of the sub-arm is formed adjacent to the first conductive member to be separated therefrom to generate an electric coupling to the first conductive member.

21. A mobile terminal, comprising:

a terminal body; and

an antenna module formed on the terminal body,

wherein the antenna module comprises;

a first conductive member;

a second conductive member positioned relative to the first conductive member to define a region therebetween;

a first connecting member connecting an end of the first conductive member to an end of the second conductive member;

a second connecting member configured to connect an end of the first conductive member to an end of the second conductive member, wherein the first conductive member is connected to a feeding portion and a grounding portion, wherein either the first conductive member or the second conductive member is shaped to define a slit that is formed between the feeding portion and grounding portion; and

a third connecting member comprising first and second end portions, wherein the first end portion is connected to the first conductive member, and the second end portion is connected to the second conductive member, wherein the first end portion is connected to the first conductive member at a location between the portion connected to the grounding portion and a portion connected to the second connecting member, and wherein the second end portion is connected to the second conductive member at a location between the portion connected to the first connecting member and the portion connected to the second connecting member.

22. The mobile terminal of claim 21, wherein one of the first conductive member or the second conductive member forms part or all of a lateral appearance of the terminal body, and other one of the first conductive member or the second conductive member is formed within the terminal body.

23. The mobile terminal of claim 21, wherein the first conductive member and the second conductive member are formed on respective planes, and the planes are formed to be perpendicular to each other.

24. The mobile terminal of claim 21, wherein the second conductive member is formed in a non-uniform pattern.

25. The mobile terminal of claim 21, wherein a position at which the first connecting member is connected to the first conductive member is between a portion connected to the feeding portion and an end of the first conductive member.

26. The mobile terminal of claim 21, wherein a position at which the second connecting member is connected to the first conductive member is between a portion connected to the grounding portion and an end of the first conductive member.

27. The mobile terminal of claim 21, further comprising:

a sub-arm comprising first and second end portions, wherein the first end portion is connected to the first conductive member, and the second end portion is open, and wherein the first end portion of the sub-arm is formed between a portion connected to the grounding portion and a portion connected to the third connecting member.

28. A mobile terminal, comprising:

a terminal body; and

an antenna module formed on the terminal body,

wherein the antenna module comprises;

a first conductive member fed by a first feeding portion;

a second conductive member positioned relative to the first conductive member to define a region therebetween, wherein the second conductive member is fed by second feeding portion;

a first connecting member configured to connect the first conductive member to the second conductive member at a position adjacent to the first feeding portion; and

a second connecting member comprising first and second end portions, wherein the first end portion is connected to the first conductive member, and the second end portion is connected to the second conductive member, wherein a position of the first end portion is between a portion connected to the first feeding portion and an end of the first conductive member, and a position of the second end portion is between the second feeding portion and an end of the second conductive member,

wherein the first conductive member and the second conductive member are open at a position adjacent to the second feeding portion.

29. The mobile terminal of claim 28, wherein one of the first conductive member or the second conductive member forms part or all of a lateral appearance of the terminal body, and the other one of the first conductive member or the second conductive member is disposed within the terminal body.

30. The mobile terminal of claim 28, further comprising:

a first block member formed between a portion connected to the second connecting member and a portion connected to the second feeding portion on the second conductive member to block a current generated from the second feeding portion from flowing to a first feeding portion.

31. The mobile terminal of claim 28, further comprising:

a second block member formed on a second feeding line connected to the first feeding portion to feed the second conductive member to block a current generated from the first feeding portion from flowing to a second feeding portion.

32. The mobile terminal of claim 28, further comprising:

a sub-arm comprising first and second end portions and being formed on the second conductive member, where the first end portion of the sub-arm is formed between a portion connected to the second feeding portion and an open end of the second conductive member, and the second portion is open.