Panel light source device and liquid crystal display device

Details Panel light source device and liquid crystal display device Panel light source device and liquid crystal display device

2005-04-05

2005-04-05

O'Shea, Sandra (Department: 2875)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S029000, C362S097200, C362S559000

Reexamination Certificate

active

06874900

ABSTRACT:
A panel light source device comprises light sources, a light guide, and a reflector. The light guide defines a bottom surface and a top surface, and comprises grooves disposed on the bottom surface for receiving the light sources and pairs of first inclined surfaces disposed on the top surface and corresponding to the groove. The grooves and the first inclined surfaces cooperate with each other to transmit the light from the light source into the light guide. The reflector is disposed on the bottom surface of the light guide and covers the light source.

REFERENCES:
patent: 5477422 (1995-12-01), Hooker et al.
patent: 5485354 (1996-01-01), Ciupke et al.
patent: 6164790 (2000-12-01), Lee
patent: 6674250 (2004-01-01), Cho et al.

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