Lighting unit and liquid crystal device using the same

Details Lighting unit and liquid crystal device using the same Lighting unit and liquid crystal device using the same

2005-03-29

2005-03-29

O'Shea, Sandra (Department: 2875)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S035000, C362S330000, C362S558000

Reexamination Certificate

active

06871974

ABSTRACT:
A lighting unit has a light guiding plate having a plurality of corner portions each of which is formed by intersecting adjacent two side surfaces. The side surface between a pair of the corner portions of the light guiding plate forms a light incident face Non-light-emitting portions of a light source correspond to the pair of the corner portions of the light guiding plate, and at least one of the corner portions has an inclined face in contact with the light incident face, the side surface adjacent to the light incident face, and at least one of the top surface and bottom surface, and inclined by an angle θ (90°<θ<180°) with respect to the top surface or the bottom surface.

REFERENCES:
patent: 6607281 (2003-08-01), Ono et al.

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