Backlight module of liquid crystal display

Details Backlight module of liquid crystal display Backlight module of liquid crystal display

2005-06-21

2005-06-21

Husar, Stephen F (Department: 2875)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S035000, C349S065000

Reexamination Certificate

active

06908203

ABSTRACT:
A backlight module is employed to provide a light source for LCD panel. The backlight module has a wedge-shaped distributor, three light pipes and two reflective arcs. The distributor is modified from rectangular-shaped to wedge-shaped so as to reduce its weight. Three light pipes are divided into two groups. One group having only one light pipe is positioned at first edge of the wedge-shaped distributor while the other group having two pipes is positioned at an edge opposite the first edge. The two groups of light pipes are rounded up respectively by two reflective arcs.

REFERENCES:
patent: 6464367 (2002-10-01), Ito et al.
patent: 6709122 (2004-03-01), Adachi et al.
patent: 2001/0017774 (2001-08-01), Ito et al.

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