Electronic device including display

Patent metadata

Field	Value
Publication number	US-10374295-B2
Application number	US-201715491400-A
Country	US
Kind code	B2
Filing date	Apr 19, 2017
Priority date	Apr 20, 2016
Publication date	Aug 6, 2019
Grant date	Aug 6, 2019

Abstract

An electronic device that utilizes a display as an antenna is provided. The electronic device may include a display including a conductive layer, a signal power supply part electrically coupled to the conductive layer in order to utilize the conductive layer as an antenna radiator, and a substrate electrically connected to the signal power supply part so as to receive a signal of an antenna radiator of the conductive layer through the signal power supply part.

First claim

What is claimed is:

1. An electronic device comprising:
a display including a conductive layer; and
a signal power supply part electrically connected to the conductive layer to utilize the conductive layer as an antenna radiator,
wherein the signal power supply part is wirelessly and electrically coupled to the conductive layer.

2. An electronic device comprising:
a window;
a touch panel;
a display including a conductive layer;
a signal power supply part electrically coupled to the conductive layer to utilize the conductive layer as an antenna radiator;
a substrate electrically connected to the signal power supply part to transmit and receive a signal of the antenna radiator of the conductive layer through the signal power supply part; and
a rear case supporting the substrate.

3. The electronic device according to claim 2 , wherein the display is configured to include one of a liquid crystal display (LCD) or an organic light emitting diode (OLED).

4. The electronic device according to claim 2 , wherein the conductive layer is configured to include a thin film transistor (TFT) array layer.

5. The electronic device according to claim 2 , wherein the signal power supply part is disposed, in a first area out of a central area of the display, in a second area on an opposite side of the first area, or in the central area of the display.

6. The electronic device according to claim 2 , wherein a patch antenna is provided between the display and the signal power supply part.

7. The electronic device according to claim 2 , wherein an extended ground is provided under the signal power supply part to be electrically connected to the substrate for a stable antenna operation when utilizing the conductive layer of the display as the antenna radiator.

8. The electronic device according to claim 2 ,
wherein a patch antenna is provided between the display and the signal power supply part, and
wherein an extended ground is provided under the signal power supply part to be electrically connected to the substrate for a stable antenna operation when utilizing the patch antenna as the antenna radiator.

9. The electronic device according to claim 2 , further comprising a film provided between the touch panel and the display to be coupled to the signal power supply part in order to be utilized as the antenna radiator.

10. The electronic device according to claim 9 , wherein the film is configured to include a metal mesh film.

11. The electronic device according to claim 9 , wherein the film is provided with a coupling power supply part that is coupled to the signal power supply part.

12. The electronic device according to claim 2 , further comprising:
a film provided between the touch panel and the display to be coupled to the signal power supply part in order to utilize the film as an antenna radiator, and
a shorting part provided under the display to implement a multi-band antenna by utilizing the conductive layer as the antenna radiator.

13. The electronic device according to claim 2 , wherein the signal power supply part is directly and electrically connected to the conductive layer.

14. The electronic device according to claim 13 , further comprising a patch antenna provided between the display and the signal power supply part.

15. The electronic device according to claim 13 , further comprising an extended ground provided between the display and the substrate to be electrically connected to the substrate for a stable antenna operation when utilizing the conductive layer of the display as the antenna radiator.

16. The electronic device according to claim 13 , further comprising:
a patch antenna provided between the display and the signal power supply part, and
an extended ground provided between the patch antenna and the substrate to be electrically connected to the substrate for a stable antenna operation when utilizing the conductive layer of the display as the antenna radiator.

17. The electronic device according to claim 13 , further comprising a film provided between the touch panel and the display to be directly and electrically connected to the signal power supply part in order to be utilized as an antenna radiator.

18. The electronic device according to claim 17 ,
wherein the signal power supply part directly and electrically connects the film and the conductive layer of the display at the same time, and
wherein the signal power supply part comprises:
a first power supply part that is directly and electrically connected to the film,
a second power supply part that is directly and electrically connected to the conductive layer of the display, and
a third power supply part that is directly and electrically connected to the substrate.

19. An electronic device comprising:
a window;
a touch panel;
a display including a conductive layer;
a signal power supply part electrically coupled to the conductive layer for the utilization of the conductive layer as an antenna radiator and for frequency tuning of the antenna radiator;
a shorting part provided near the signal power supply part for the frequency tuning of the antenna radiator;
a substrate electrically connected to the signal power supply part and the shorting part to transmit and receive a signal of the antenna radiator of the conductive layer and a tuned signal of the shorting part through the signal power supply part and the shorting part;
a rear case supporting the substrate; and
a ground provided under the substrate to be electrically connected to the substrate.

20. The electronic device according to claim 19 , wherein the signal power supply part is configured to adjust a reduction or increase in the resonant frequency by changing the shape of a power supply pad.

21. The electronic device according to claim 19 , wherein the shorting part is configured to:
adjust a reduction in the resonant frequency, and
induce an additional resonance.

22. The electronic device according to claim 19 , wherein the ground induces an additional resonance.

23. An electronic device comprising:
a window;
a touch panel;
a display including a conductive layer;
a signal power supply part electrically coupled to the conductive layer for the utilization of the conductive layer as an antenna radiator and for the frequency tuning of the antenna radiator;
an active element provided near the signal power supply part for the frequency tuning of the antenna radiator;
a substrate electrically connected to the signal power supply part and the active element to transmit and receive a signal of the antenna radiator of the conductive layer and a frequency tuning signal of the active element through the signal power supply part and the active element;
a rear case supporting the substrate; and
a ground provided under the substrate to be electrically connected to the substrate to induce an additional resonance.

24. The electronic device according to claim 23 , wherein the active element includes a varactor diode.

25. The electronic device according to claim 23 , wherein the active element includes a plurality of active elements provided to be symmetrically disposed on both sides of the display or to be disposed along the outer periphery of the display.

26. An electronic device comprising:
a window;
a touch panel;
a display including a conductive layer;
a first pad electrically coupled to the conductive layer in order to utilize the c

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Yoon-Geon
• Ko Seung-Tae
• Lim Sang-Ho
• Choi Dong-Kyu
• Hong Won-Bin

Classifications

• 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

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01Q9/0457

  electromagnetically coupled to the feed line · CPC title

• H01Q1/273 Primary

  Adaptation for carrying or wearing by persons or animals · CPC title

• H01Q9/0442

  with particular tuning means · CPC title