Backlight unit and liquid crystal display device having the...

Details Backlight unit and liquid crystal display device having the... Backlight unit and liquid crystal display device having the...

2007-12-17

2010-02-23

Nguyen, Dung (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S058000, C349S068000, C349S116000, C362S276000, C362S613000, C362S632000

Reexamination Certificate

active

07667789

ABSTRACT:
A backlight unit which includes a structure in which the sensitivity of a light sensor for detecting color reproducibility of white light is increased, and a liquid crystal display (“LCD”) device having the same. The backlight unit includes a light source which generates light, a light guide plate which guides the light incident from the light source, a light sensor which detects the light emitted from the light guide plate and a mold frame which receives the light source, the light guide plate, and the light sensor. The mold frame includes a receiving recess which receives the light sensor, and a light sensing structure formed on a sidewall thereof being in contact with a side of the light guide plate which reflects the light emitted from the light guide plate and provides the light emitted from the light guide plate to the light sensor.

REFERENCES:
patent: 6964500 (2005-11-01), Sakai
patent: 7488104 (2009-02-01), Hamada et al.
patent: 2008/0084520 (2008-04-01), Nam et al.
patent: 2008/0088769 (2008-04-01), Kim et al.
patent: 2005035015 (2005-04-01), None

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