Light guide having reflective protruding portion, and...

Details Light guide having reflective protruding portion, and... Light guide having reflective protruding portion, and...

2011-05-17

2011-05-17

Negron, Ismael (Department: 2885)

Illumination

Light fiber, rod, or pipe

C362S609000, C362S628000, C362S555000, C385S146000

Reexamination Certificate

active

07942561

ABSTRACT:
A rod- or plate-shaped light guide includes a first end that receives illuminating light incident thereon, a bottom surface having a reflecting portion thereon for reflecting the light, an emitting face which emits the reflected light, and a protruding portion protruding longitudinally and continuously from the light guide at a second end thereof. The protruding portion has a reduced peripheral dimension compared to a peripheral dimension of an adjacent portion of the light guide, and a reflective body is provided on the protruding portion and covers a longitudinal end face of the protruding portion extending perpendicular to the emitting face. When viewed along an axial direction of the light guide, the reflective body does not jut out from an end face of the light guide even when the body wraps on to a side surface of the protruding portion or expansion occurs.

REFERENCES:
patent: 2005/0195618 (2005-09-01), Uemura et al.
patent: 2005/0206800 (2005-09-01), Wakisaka et al.
patent: 2005/0265684 (2005-12-01), Nemoto et al.
patent: 2006/0056789 (2006-03-01), Saito et al.
patent: 2006/0120098 (2006-06-01), Ikeda et al.
patent: 1702484 (2005-11-01), None
patent: 07-183994 (1995-07-01), None
patent: 11-006919 (1999-01-01), None
patent: 2004-056425 (2004-02-01), None
patent: 2005-341141 (2005-12-01), None
patent: 10-2006-0048070 (2006-05-01), None

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