Antenna package and image display device including the same

Patent metadata

Field	Value
Publication number	US-11955693-B2
Application number	US-202217569772-A
Country	US
Kind code	B2
Filing date	Jan 6, 2022
Priority date	Jan 7, 2021
Publication date	Apr 9, 2024
Grant date	Apr 9, 2024

Abstract

An antenna package according to an embodiment of the present disclosure includes a first antenna device including a first antenna unit, a first circuit board electrically connected to the first antenna unit, a second circuit board electrically connected to the first circuit board, a second antenna unit integrated with the second circuit board, and an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit. Multi-axial radiation is implemented using the antenna package with high efficiency and reliability.

First claim

What is claimed is:

1. An image display device, comprising:
a display panel;
an antenna package disposed on the display panel;
a main board disposed under the display panel; and
a control unit mounted on the main board,
the antenna package comprising:
a first antenna device comprising a first antenna unit;
a first circuit board electrically connected to the first antenna unit;
a second circuit board electrically connected to the first circuit board;
a second antenna unit integrated with the second circuit board;
a third antenna unit disposed under the second antenna unit;
an insulating layer disposed between the second antenna unit and the third antenna unit; and
an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit,

wherein the antenna package is bent under the display panel to be electrically connected to the control unit.

2. The image display device of claim 1 , further comprising:
a first connector mounted on the first circuit board and electrically connected to the first antenna unit; and
a second connector mounted on the second circuit board and coupled to the first connector.

3. The image display device of claim 2 , wherein the second circuit board further comprises a first connection wiring, and the second connector is electrically connected to the antenna driving integrated circuit chip through the first connection wiring.

4. The image display device of claim 2 , wherein the first connector and the second connector are high-frequency connectors.

5. The image display device of claim 2 , wherein the first antenna unit comprises a plurality of first antenna units disposed in an array form; and
the first circuit board comprises a plurality of signal wirings independently bonded to each of the plurality of first antenna units and electrically connected to the first connector.

6. The image display device of claim 5 , wherein the first antenna device further comprises an antenna dielectric layer on which the first antenna units are arranged; and
each of the first antenna units includes a first radiator, a transmission line extending from the radiator and a signal pad connected to a terminal end portion of the transmission line and bonded to each of the signal wirings.

7. The image display device of claim 6 , wherein the second circuit board of the antenna package comprises a second connection wiring, and
the antenna package further comprises a third connector mounted on the second circuit board and electrically connected to the antenna driving integrated circuit chip through the second connection wiring.

8. The image display device of claim 7 , further comprising a fourth connector mounted on the main board to be coupled to the third connector,
wherein the main board further comprises a third connection wiring for electrically connecting the control unit and the fourth connector to each other.

9. The image display device of claim 8 , wherein the third connector and the fourth connector are low-frequency connectors.

10. The image display device of claim 1 , wherein the second circuit board comprises a second core layer and a first via structure penetrating the second core layer; and
the second antenna unit is disposed on a bottom surface of the second core layer and is electrically connected to the antenna driving integrated circuit chip through the first via structure.

11. The image display device of claim 1 , wherein the second circuit board comprises a second via structure penetrating the second core layer and the insulating layer; and
the third antenna unit is electrically connected to the antenna driving integrated circuit chip through the second via structure.

12. The image display device of claim 1 , wherein the first circuit board is a flexible printed circuit board and the second circuit board is a rigid printed circuit board.

13. An image display device comprising:
a display panel;
an antenna package disposed on the display panel;
a main board disposed under the display panel; and
a control unit mounted on the main board,
the antenna package comprising:
a first antenna device comprising a first antenna unit;
a first circuit board electrically connected to the first antenna unit;
a second circuit board electrically connected to the first circuit board;
a second antenna unit integrated with the second circuit board;
a first connector mounted on the first circuit board and electrically connected to the first antenna unit;
a second connector mounted on the second circuit board and coupled to the first connector; and

an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit,
wherein the first circuit board has a first portion bonded to the first antenna unit and a second portion having a smaller width than that of the first portion, and the first connector is mounted on the second portion,
wherein the antenna package is bent under the display panel to be electrically connected to the control unit.

14. The image display device of claim 13 , wherein the second portion of the first circuit board is bent to couple the first connector and the second connector to each other.

Assignees

• Dongwoo Fine Chem Co Ltd

Inventors

• Choi Byung Jin
• Kim Na Yeon
• Ryu Han Sub
• Park Dong Pil

Classifications

• H01Q1/2283 Primary

  mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package · 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

• 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

• H01R12/73 Primary

  connecting to other rigid printed circuits or like structures · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title