IP Library Granted Patent US 7,524,210
Granted Patent B2
US 7,524,210 · App. 12/005,624 · Granted Apr 28, 2009

Backlight unit and liquid crystal display device having the same

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Quick Facts
Patent No.
US 7,524,210
App. No.
12/005,624
Granted
Apr 28, 2009
Kind
B2
Abstract

A capacitive connector for a backlight unit having a light source including: a first conductive layer covering an end portion of the light source; an insulation layer covering an external surface of the first conductive layer; and a second conductive layer separated from the first conductive layer with the insulation layer interposed therebetween.

Claims (26)

1. A capacitive connector for a backlight unit having a light source comprising:

a first conductive layer covering and integrally formed around an end portion of the light source;

an insulation layer covering an external surface of the first conductive layer; and

a second conductive layer separated from the first conductive layer with the insulation layer interposed therebetween.

2. The capacitive connector of claim 1 , wherein the second conductive layer is elastic.

3. The capacitive connector of claim 1 , wherein the second conductive layer is a conductive polymer.

4. The capacitive connector of claim 3 , wherein the conductive polymer is one of polyacetylene, polyaniline, polypyrrole and polythiopene.

5. The capacitive connector of claim 1 , wherein the first conductive layer is elastic.

6. The capacitive connector of claim 1 , wherein the first conductive layer is a conductive polymer.

7. A backlight unit for a display device comprising:

a plurality of light sources;

a plurality of capacitive connectors electrically connected to end portions of the light sources;

a plurality of sockets into which capacitive connectors are inserted; and

an inverter that supplies power to the light sources via the sockets and capacitive connectors,

wherein the capacitive connectors include a first conductive layer covering and integrally formed around the end portion of the light source, an insulation layer covering an external surface of the first conductive layer and a second conductive layer separated from the first conductive layer with the insulation layer interposed therebetween.

8. The capacitive connector of claim 7 , wherein the second conductive layer is elastic.

9. The capacitive connector of claim 7 , wherein the second conductive layer is a conductive polymer.

10. The capacitive connector of claim 9 , wherein the conductive polymer is one of polyacetylene, polyaniline, polypyrrole and polythiopene.

11. The capacitive connector of claim 7 , wherein the first conductive layer is elastic.

12. The capacitive connector of claim 7 , wherein the first conductive layer is a conductive polymer.

13. A method of manufacturing a backlight unit having a light source comprising: forming a capacitive connector by:

forming a first conductive layer with an opening that connects to the light source;

forming an insulation layer covering an external surface of the first conductive layer; and

forming a second conductive layer separated from the first conductive layer with the insulation layer interposed therebetween,

electrically connecting the capacitive connector to an end portion of the light source; forming a socket; and

inserting the capacitive connector into the socket connected to a power inverter.

Assignments (2)
CHANGE OF NAME Recorded Oct 17, 2008
From: LG.PHILIPS LCD CO., LTD.
To: LG DISPLAY CO., LTD.
Reel/Frame 021754/0045 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 28, 2007
From: LEE, YOUNG-EUN; LEE, SEUNG-HYUN
To: LG.PHILIPS LCD CO., LTD.
Reel/Frame 020337/0723 →