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...

2005-12-21

2008-12-16

Truong, Bao Q (Department: 2875)

Illumination

Light modifier

Refractor

C362S224000, C362S561000

Reexamination Certificate

active

07465073

ABSTRACT:
A backlight unit of an LCD device is provided. The backlight unit includes a light emitting unit, a light guide plate, a reflection plate and a light scattering unit. The light emitting unit has a passive light emission lamp that generates green light and a self-light emission lamp that generates red and blue light. The light guide plate is disposed between the passive light emission lamp and the self-light emission lamp. The light guide plate mixes the red and blue light emitted from the self-light emission type lamp and guides the mixed light to an upper side thereof. The reflection plate is disposed below the self-light emission lamp. In addition, the light scattering unit is disposed above the passive light emission type lamp.

REFERENCES:
patent: 6039451 (2000-03-01), Grave
patent: 7040794 (2006-05-01), Bernard
patent: 7193356 (2007-03-01), Kokubo et al.
patent: 2002/0126478 (2002-09-01), Cornelissen et al.
patent: 2005/0135115 (2005-06-01), Lamb et al.
patent: 2007/0097708 (2007-05-01), Shim et al.

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