IP Library Granted Patent US 7,744,234
Granted Patent B2
US 7,744,234 · App. 11/819,940 · Granted Jun 29, 2010

Backlight assembly and liquid crystal display having the same

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Quick Facts
Patent No.
US 7,744,234
App. No.
11/819,940
Granted
Jun 29, 2010
Kind
B2
Abstract

A backlight assembly is suitable for preventing generation of foreign materials. The backlight assembly comprises a reflector on a bottom cover, a set of optical sheets supported by the bottom cover, stoppers on opposite edges of the bottom cover to prevent movement of the optical sheet set, and supports extending from the reflector at least partially contacting inner sides of the first stoppers.

Claims (14)

1. A backlight assembly comprising:

a reflector on a bottom cover;

a set of optical sheets supported by the bottom cover;

stoppers on opposite edges of the bottom cover to prevent movement of the optical sheet set; and

supports extending from the reflector at least partially contacting inner sides of the first stoppers,

wherein the supports contact the opposite sides of the optical sheets and each of the supports has a width greater than that of each of the stoppers.

2. The backlight assembly as claimed in claim 1 , wherein the supports a step-shaped cross section.

3. The backlight assembly as claimed in claim 1 , wherein the supports are integrally formed with the reflector.

4. A liquid crystal display comprising:

a backlight assembly including a plurality of light sources arranged on a reflector disposed on a bottom cover, a set of optical sheets supported by the bottom cover to diffuse and collect light from the light sources, stoppers formed on opposite edges of the bottom cover to prevent movement of the optical sheet set, and supports extending from the reflector to at least partially contacting inner sides of the first stoppers; and

a liquid crystal panel adjusting the light from the optical sheet set to display an image.

Wherein the supports contact the opposite sides of the optical sheets and each of the supports has a width greater than that of the stoppers.

5. The liquid crystal display as claimed in claim 4 , wherein the supports include a step-shaped cross section.

6. The liquid crystal display as claimed in claim 4 , wherein the supports are integrally formed with the reflector.

Assignments (2)
CHANGE OF NAME Recorded Oct 17, 2008
From: LG. PHILIPS LCD CO., LTD.
To: LG DISPLAY CO., LTD.
Reel/Frame 021773/0029 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 29, 2007
From: JEONG, GI RYONG; LEE, HYUNG YUN
To: LG.PHILIPS LCD CO., LTD.
Reel/Frame 019552/0546 →