Electronic device having photo conductive device comprising photo conductive member capable of electronically connecting plurality of conductive elements

Patent metadata

Field	Value
Publication number	US-2022013891-A1
Application number	US-201917288787-A
Country	US
Kind code	A1
Filing date	Oct 25, 2019
Priority date	Oct 26, 2018
Publication date	Jan 13, 2022
Grant date	—

Abstract

An electronic device, according to one embodiment of the present invention, comprises: an antenna; and a photo conductive device electrically connected to the antenna, wherein the photo conductive device may comprise: a first layer including a plurality of conductive elements disposed to be spaced apart at a specified interval; a second layer disposed above the first layer and including at least one light source capable of outputting light; and a third layer disposed between the first layer and the second layer and having a photo conductive member of which at least a portion is changed, by means of the light, to be conductive in order to electrically connect at least a portion of the plurality of conductive elements. Various other embodiments may be included.

First claim

1 . An electronic device comprising:
an antenna; and a photo conductive device electrically connected to the antenna, wherein the photo conductive device comprises: a first layer comprising a plurality of conductive elements disposed to be spaced apart at a specified interval; a second layer disposed above the first layer and comprising at least one light source for outputting light; and a third layer disposed between the first layer and the second layer, and having a photo conductive member of which at least a portion is changed, by means of the light, to be conductive, and electrically connects at least a portion of the plurality of conductive elements.

2 . The electronic device of claim 1 , further comprising: a wireless communication module electrically connected to the antenna,
wherein the photo conductive device is electrically connected to a transmission line between the antenna and the wireless communication module.

3 . The electronic device of claim 2 , wherein the portion changed to be conductive among the photo conductive member and the at least portion of the plurality of conductive elements electrically connected by this are used as a branch line connected in parallel to the transmission line.

4 . The electronic device of claim 2 , wherein the portion changed to be conductive among the photo conductive member and the at least portion of the plurality of conductive elements electrically connected by this are used as a line connected in series to the transmission line.

5 . The electronic device of claim 2 , wherein the antenna is fed to have a specified phase through the wireless communication module by the photo conductive device.

6 . The electronic device of claim 2 , wherein the photo conductive device moves a resonance frequency of the antenna to a specified frequency or moves as much as specified.

7 . The electronic device of claim 1 , wherein the photo conductive member comprises a plurality of photo conductive elements, and at least a portion of the plurality of photo conductive elements is changed, by means of the light, to be conductive, and electrically connects the at least portion of the plurality of conductive elements.

8 . The electronic device of claim 1 , wherein the first layer further comprises:
a dielectric layer comprising a first surface in which the plurality of conductive elements are disposed, and a second surface facing away from the first surface; and a ground plane disposed in the second surface.

9 . The electronic device of claim 1 , wherein the plurality of conductive elements are disposed in matrix.

10 . The electronic device of claim 1 , further comprising a processor controlling the at least one light source on the basis of a communication mode which uses at least one frequency.

11 . An electronic device comprising:
an antenna; a wireless communication module electrically connected to the antenna; and a photo conductive device electrically connected to a transmission line between the antenna and the wireless communication module, wherein the photo conductive device comprises:
a first layer comprising a plurality of conductive elements disposed to be spaced apart at a specified interval;
a second layer comprising, above the first layer, a plurality of light sources which are disposed correspondingly to the plurality of conductive elements; and
a third layer disposed between the first layer and the second layer, and having a photo conductive member of which at least a portion is changed, by means of the light, to be conductive, and electrically connects at least a portion of the plurality of conductive elements.

12 . The electronic device of claim 11 , wherein the portion changed to be conductive among the photo conductive member and the at least portion of the plurality of conductive elements electrically connected by this are used as a branch line connected in parallel to the transmission line.

13 . The electronic device of claim 11 , wherein the antenna is fed to have a specified phase through the wireless communication module by the photo conductive device.

14 . The electronic device of claim 11 , further comprising a processor configured to selectively activate at least one light source among the plurality of light sources on the basis of the communication mode.

15 . A photo conductive device comprising:
a first layer comprising a plurality of conductive elements disposed to be spaced apart at a specified interval; a second layer disposed above the first layer and comprising at least one light source for outputting light; and a third layer disposed between the first layer and the second layer, and having a photo conductive member of which at least a portion is changed, by means of the light, to be conductive, and electrically connects at least a portion of the plurality of conductive elements.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Yang Dongil
• Lee Jongin
• Na Hyoseok

Classifications

• H10W90/00 Primary

  Package configurations · CPC title

• H10F39/10

  Integrated devices · CPC title

• H10F55/00

  Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto · CPC title

• H10H20/857

  Interconnections, e.g. lead-frames, bond wires or solder balls · CPC title

• H01Q3/36 Primary

  with variable phase-shifters · CPC title