Backlight assembly
View Patent ↗A backlight assembly is provided. The backlight assembly includes a plurality of lamps and a plurality of holes in a cover bottom that correspond to the plurality of lamps. The backlight may be capable of improving luminous efficiency of a plurality of lamps is provided.
1. A backlight assembly comprising:
a plurality of lamps; and
a cover bottom that includes a plurality of holes disposed at lower portion of the cover bottom and a hole disposed at a side portion of the cover bottom,
wherein the plurality of holes at the lower portion of the cover bottom each corresponds to a longitudinal length of each lamp, and the hole at the side portion of the cover bottom corresponds to a longitudinal length of each lamp.
2. The backlight assembly according to claim 1 , wherein the plurality of lamps are disposed on the same plane.
3. The backlight assembly according to claim 1 , further comprising:
an optical sheet disposed over the lamps;
a panel guide that is operative to fix and support the optical sheet and is coupled to the cover bottom; and
a reflector sheet disposed on a upper surface of the cover bottom.
4. The backlight assembly according to claim 1 , wherein the holes comprises circular shape.
5. The backlight assembly according to claim 1 , wherein the holes comprises an oval shape.
6. The backlight assembly according to claim 1 , wherein the holes have a width smaller than a distance between the lamps.
7. The backlight assembly according to claim 1 , wherein the holes have a length smaller than a length of the lamps.
8. The backlight assembly according to claim 1 , wherein the holes are formed concentric with respect to the corresponding lamps.
9. The backlight assembly according to claim 1 , wherein each of the lamps includes one of a cold cathode fluorescence lamp, an external electrode fluorescence lamp and a plurality of light emitting diodes.
10. A backlight assembly comprising:
a plurality of lamps;
a cover bottom including a plurality of holes disposed at lower portion of the cover bottom and a hole disposed at a side portion of the cover bottom; and
an insulator disposed in the plurality of holes at the lower portion of the cover bottom and the hole at the side portion of the cover bottom,
wherein the plurality of holes at the lower portion of the cover bottom each corresponds to a longitudinal length of each lamp, and the hole at the side portion of the cover bottom corresponds to a longitudinal length of each lamp; and
wherein the insulator is obtained by inserting an insulating paste into each hole and hardening the insulating paste, the insulating paste being obtained by mixing an insulating material and an adhesive material.
11. The backlight assembly according to claim 10 , wherein the plurality of lamps are disposed on the same plane.
12. The backlight assembly according to claim 10 , wherein the insulator has a volume resistivity of about 10 10 Ω·m or more.
13. The backlight assembly according to claim 10 , wherein the insulator is any of melamine, phennolic, acetal, acrylics, epoxy, polystyrene, SAN, acrylonitrile butadiene styrene, polycarbonate, poly vinyl chloride, nylon, polyethylene, polysulfone, polyphenylene oxide, polytetrafluoroethylene, or fluorinated ethylene propylene.
14. The backlight assembly according to claim 10 , further comprising:
an optical guide disposed over the plurality of lamps;
a panel guide that is operative to fix and support the optical sheet and is coupled to the cover bottom; and
a reflector sheet disposed on a upper surface of the cover bottom.
15. The backlight assembly according to claim 10 , wherein the holes comprises circular shape.
16. The backlight assembly according to claim 10 , wherein the holes comprises an oval shape.
17. The backlight assembly according to claim 10 , wherein the holes have a width smaller than a distance between the lamps.
18. The backlight assembly according to claim 10 , wherein the holes have a length smaller than a length of the lamps.
19. The backlight assembly according to claim 10 , wherein the holes are formed to be concentric with respect to the corresponding the lamps.
20. The backlight assembly according to claim 10 , wherein each of the plurality lamps includes one of a cold cathode fluorescence lamp, an external electrode fluorescence lamp and a plurality of light emitting diodes.
21. A liquid crystal display module comprising:
a backlight unit comprising a plurality of lamps;
a cover bottom that includes a plurality of holes disposed at lower portion of the cover bottom and a hole disposed at a side portion of the cover bottom;
a liquid crystal panel disposed over the backlight unit; and
a case top disposed over the liquid crystal panel and fixed to the cover bottom,
wherein the plurality of holes at the lower portion of the cover bottom each corresponds to a longitudinal length of each lamp, and the hole at the side portion of the cover bottom corresponds to a longitudinal length of each lamp.
22. The liquid crystal display module according to claim 21 , wherein each of the lamps includes one of a cold cathode fluorescence lamp, an external electrode fluorescence lamp and a plurality of light emitting diodes.