Back light unit and liquid crystal display using the same

Details Back light unit and liquid crystal display using the same Back light unit and liquid crystal display using the same

2011-02-22

2011-02-22

Han, Jason Moon (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S260000, C362S614000, C349S070000

Reexamination Certificate

active

07891830

ABSTRACT:
There is explained a back light unit and a liquid crystal display using the same for improving brightness characteristic and difference of the color sense of a liquid crystal display having a direct-below-type back light. The back light unit and the liquid crystal display using the same according to an embodiment of the present invention includes a back light unit having a lamp housing, a plurality of lamps respectively having a first electrode and a second electrode and arranged in the lamp housing so that the first electrode and the second electrode are alternately disposed in one side of the lamp housing, a diffusion plate disposed on the lamp housing, and an optical sheet disposed on the diffusion plate; and a liquid crystal panel disposed on the back light unit having a plurality of liquid crystal cells arranged in a matrix form to thereby increase the brightness and minimize right/left difference of the color sense and improve picture quality.

REFERENCES:
patent: 5975722 (1999-11-01), Van Duijneveldt
patent: 6099134 (2000-08-01), Taniguchi et al.
patent: 6949890 (2005-09-01), Chou et al.
patent: 6992736 (2006-01-01), Saito et al.
patent: 2002/0030993 (2002-03-01), Itoh
patent: 10-082914 (1998-03-01), None
patent: 10-106319 (1998-04-01), None
patent: 2000162593 (2000-06-01), None

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