Electronic device

Patent metadata

Field	Value
Publication number	US-12119568-B2
Application number	US-202217830734-A
Country	US
Kind code	B2
Filing date	Jun 2, 2022
Priority date	Aug 11, 2021
Publication date	Oct 15, 2024
Grant date	Oct 15, 2024

Abstract

Provided is an electric device including a display panel, and a first antenna disposed on the display panel and including a first patch part, a first transmission part, and a first additional transmission part, wherein the first transmission part faces a first side of the first patch part extending along a first cross direction, is spaced apart from the first patch part, and is capacitively coupled to the first patch part, and wherein the first additional transmission part faces a second side of the patch part extending in a second cross direction crossing the first cross direction, is symmetrical about a line of symmetry with the first transmission part, and is spaced apart from the first patch part.

First claim

What is claimed is:

1. An electronic device comprising:
a display panel; and
a first antenna disposed on the display panel and comprising a first patch part, a first transmission part, a first additional transmission part, and a first extension patch part spaced apart from the first patch part,
wherein the first transmission part faces a first side of the first patch part extending in a first cross direction, is spaced apart from the first patch part, and is capacitively coupled with the first patch part,
wherein the first additional transmission part faces another first side of the first patch part extending in a second cross direction crossing the first cross direction, is symmetrical about a line of symmetry with the first transmission part, and is spaced apart from the first patch part,
wherein the first transmission part extends toward the first extension patch part, faces a first extension side extending in the first cross direction of the first extension patch part, is spaced apart from the first extension part, and is capacitively coupled to the first extension patch part, and
wherein power input through the first transmission part is equally delivered to the first patch part and the first extension patch part.

2. The electronic device according to claim 1 , wherein the first antenna is fed through at least any one of the first transmission part and the first additional transmission part.

3. The electronic device according to claim 2 , wherein the other of the first transmission part and the first additional transmission part is floated.

4. The electronic device according to claim 1 , wherein the first antenna is provided in plural, an interval between a center of a first patch part of one first antenna and a center of a first patch part of another first antenna, which is adjacent to the one first antenna, among a plurality of the first antennas is about 0.5 to about 0.8 times of a reference wavelength.

5. The electronic device according to claim 1 , wherein a size of the first extension patch part is equal to or greater than that of the first patch part.

6. The electronic device according to claim 1 ,
wherein the first antenna further comprises a first additional extension patch part spaced apart from the first patch part with the first extension patch part interposed therebetween,
wherein a size of the first additional extension patch part is equal to or greater than that of the first extension patch part, and the size of the first extension patch part is equal to or greater than that of the first patch part.

7. The electronic device according to claim 1 , further comprising:
a ground disposed under the display panel,
wherein a distance between a center of the first patch part and a center of the first extension patch part is a guided wavelength derived by using an effective permittivity between the first antenna and the ground.

8. The electronic device according to claim 1 , wherein the first transmission part comprises a λ/4 transformer.

9. The electronic device according to claim 1 , further comprising:
a second antenna disposed on the display panel and comprising a second patch part and a second transmission part,
wherein the second transmission part faces a second side of the second patch part extending in the second cross direction, is spaced apart from the second patch part, and is capacitively coupled to the second patch part.

10. The electronic device according to claim 9 ,
wherein the second antenna further comprises a second extension patch part spaced apart from the second patch part, and the second transmission part extends toward the second extension patch part, faces a second extension side extending in the second cross direction of the second extension patch part, is spaced apart from the second extension patch part, and is capacitively coupled to the second extension patch part.

11. The electronic device according to claim 9 , wherein each of the first antenna and the second antenna is provided in plural, and
wherein a plurality of the first antennas receive or output signals through a first common port, and a plurality of the second antennas receive or output signals through a second common port different from the first common port.

12. The electronic device according to claim 11 , further comprising:
a first circuit film comprising the first common port and electrically connected to the plurality of first antennas; and
a second circuit film comprising the second common port and electrically connected to the plurality of second antennas.

13. The electronic device according to claim 9 , wherein the first cross direction is orthogonal to the second cross direction and the first transmission part and the second transmission part are symmetrical about a line of symmetry.

14. The electronic device according to claim 9 ,
wherein the first transmission part comprises a first transmission line and a first coupler extending from the first transmission line and facing the first side of the first patch part, and the second transmission part comprises a second transmission line and a second coupler extending from the second transmission line and facing the second side of the second patch part,
wherein the first transmission line is spaced apart from the second transmission line in a first direction, the first transmission line and the second transmission line extending in parallel to a second direction crossing the first direction,
wherein the first coupler comprises a first extension portion extending along the second cross direction and a first opposite portion extending along the first cross direction, and the second coupler comprises a second extension portion extending from the second transmission line along the first cross direction and a second opposite portion extending along the second cross direction, and
wherein the first opposite portion faces the first side of the first patch part and the second opposite portion faces the second side of the second patch part.

15. The electronic device according to claim 1 , wherein the first antenna is provided in plural, and
wherein a plurality of the first antennas receive or output signals respectively through a plurality of ports.

16. The electronic device according to claim 15 , further comprising:
a circuit film comprising the plurality of ports,
wherein the circuit film comprises a dielectric layer, a conductive layer and a plurality of transmission lines disposed on a first surface of the dielectric layer, and
wherein the plurality of transmission lines are electrically connected to the plurality of ports, respectively, and a length of a first transmission line among the plurality of transmission lines is longer than that of a second transmission line among the plurality of transmission lines.

17. The electronic device according to claim 16 , wherein a difference between the length of the first transmission line and the length of the second transmission line is an integer multiple of a guided wavelength derived by using a permittivity of the dielectric layer.

18. An electronic device comprising:
a display panel; and
a first antenna disposed on the display panel and comprising a first patch part, a first extension patch part spaced apart from the first patch part, a first transmission part, and a first symmetric transmission part, the first transmission part and the first symmetric transmission part being symmetrical about a line of symmetry,
wherein the first transmission part and the first symmetric transmission part are spaced apart in a first directio

Assignees

• Samsung Display Co Ltd
• Ulsan Nat Inst Science & Tech Unist

Inventors

• BYUN Gangil
• Kim Jae-Kyoung
• Sung Eunjin
• Kim Kiseo
• Heo Jinmyeong

Classifications

• H04M1/026

  Details of the structure or mounting of specific components · CPC title

• H01Q1/241

  used in mobile communications, e.g. GSM (H01Q1/247, H01Q1/248 take precedence) · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title

• H01Q21/0075

  Stripline fed arrays (H01Q21/065 takes precedence) · CPC title