Antenna package and image display device including the same

Patent metadata

Field	Value
Publication number	US-11870150-B2
Application number	US-202117508055-A
Country	US
Kind code	B2
Filing date	Oct 22, 2021
Priority date	Oct 23, 2020
Publication date	Jan 9, 2024
Grant date	Jan 9, 2024

Abstract

An antenna package according to an exemplary embodiment of the present invention includes a first antenna device which includes a first antenna unit including a first radiator, a second antenna device which includes a second antenna unit including a second radiator whose polarization direction is perpendicular to the first radiator, a first circuit board electrically connected with the first antenna unit, a second circuit board electrically connected with the second antenna unit, and a third circuit board on which at least one antenna driving integrated circuit (IC) chip electrically and independently connected to the first circuit board and the second circuit board is mounted. By supplying power to two antenna devices having different polarization directions, respectively, signal interference and signal loss may be prevented, and dual polarization may be implemented.

First claim

What is claimed is:

1. An antenna package comprising:
a first antenna device including a first antenna unit including a first radiator;
a second antenna device including a second antenna unit including a second radiator having a polarization direction perpendicular to the first radiator;
a first circuit board electrically connected with the first antenna unit;
a second circuit board electrically connected with the second antenna unit;
a third circuit board on which at least one antenna driving integrated circuit (IC) chip electrically and independently connected to the first circuit board and the second circuit board is mounted;
a first connector disposed on the first circuit board to be electrically connected with the first antenna unit;
a second connector disposed on the second circuit board to be electrically connected with the second antenna unit;
a third connector disposed on the third circuit board and coupled to the first connector to electrically connect the first antenna unit and the antenna driving IC chip to each other; and
a fourth connector disposed on the third circuit board and coupled to the second connector to electrically connect the second antenna unit and the antenna driving IC chip to each other.

2. The antenna package according to claim 1 , wherein the first antenna device and the second antenna device are located at the same level.

3. The antenna package according to claim 2 , wherein the first antenna unit comprises a plurality of the first antenna units arranged in a column direction; and
the second antenna unit comprises a plurality of the second antenna units arranged in a row direction perpendicular to the column direction in a planar direction.

4. The antenna package according to claim 3 , wherein one antenna driving IC chip is disposed on the third circuit board.

5. The antenna package according to claim 4 , wherein the third circuit board comprises a first connection wiring electrically connecting the first antenna unit and the antenna driving IC chip, and a second connection wiring electrically connecting the second antenna unit and the antenna driving IC chip.

6. The antenna package according to claim 5 , wherein the first connection wiring and the second connection wiring extend in a direction perpendicular to each other in a planar direction.

7. The antenna package according to claim 1 , wherein the first circuit board and the second circuit board are a flexible printed circuit board (FPCB), respectively, and the third circuit board is a rigid printed circuit board.

8. The antenna package according to claim 1 , wherein the first antenna unit and the second antenna unit are independently and separately disposed on one antenna dielectric layer.

9. The antenna package according to claim 8 , wherein the first circuit board and the second circuit board are integrally formed with the antenna dielectric layer.

10. The antenna package according to claim 1 , further comprising a circuit element or a control element mounted on the third circuit board.

11. An image display device comprising:
a display panel; and
the antenna package according to claim 1 coupled to the display panel.

12. The image display device according to claim 11 , wherein the first antenna unit and the second antenna unit are independently and separately disposed on a top surface of the display panel.

13. The image display device according to claim 12 , wherein the first antenna unit and the second antenna unit are disposed adjacent to each other with one of corner portions of the top surface of the display panel interposed between the first antenna unit and the second antenna unit.

14. The image display device according to claim 13 , wherein the first antenna unit is disposed along a lengthwise edge of the display panel adjacent to the corner portion, and the second antenna unit is disposed along a widthwise edge of the display panel adjacent to the corner portion.

15. An image display device comprising:
a display panel; and
an antenna package coupled to the display panel, the antenna package comprising:
a first antenna device including a first antenna unit including a first radiator;
a second antenna device including a second antenna unit including a second radiator having a polarization direction perpendicular to the first radiator;
a first circuit board electrically connected with the first antenna unit;
a second circuit board electrically connected with the second antenna unit;
a third circuit board on which at least one antenna driving integrated circuit (IC) chip electrically and independently connected to the first circuit board and the second circuit board is mounted

wherein the third circuit board is disposed below the display panel, and
the first circuit board and the second circuit board each extend by bending from the top surface of the display panel along a side surface and a bottom surface of the display panel to be electrically connected with the third circuit board.

Assignees

• Dongwoo Fine Chem Co Ltd

Inventors

• Kim Young Ju
• Park Dong Pil
• Choi Byung Jin
• Ryu Han Sub
• Yoon Ho Dong

Classifications

• H01Q21/24 Primary

  Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} · CPC title

• H01Q1/38 Primary

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H01Q21/08

  the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01Q21/30

  Combinations of separate antenna units operating in different wavebands and connected to a common feeder system · CPC title