Spread illuminating apparatus

Details Spread illuminating apparatus Spread illuminating apparatus

2007-10-09

2007-10-09

Payne, Sharon (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S620000, C362S561000

Reexamination Certificate

active

11140956

ABSTRACT:
A spread illuminating apparatus includes at least one spot light source; and a light conductive plate which has the at least one spot light source disposed at one end surface thereof, and which has a plurality of ridges formed on at least one of two major surfaces thereof and extending from the one end surface toward another end surface opposite to the one end surface. The plurality of ridges are configured to meander.

REFERENCES:
patent: 5381309 (1995-01-01), Borchardt
patent: 5779337 (1998-07-01), Saito et al.
patent: 6578977 (2003-06-01), Egawa et al.
patent: 2002/0015300 (2002-02-01), Katsu et al.
patent: 2002/0051355 (2002-05-01), Egawa et al.
patent: 2003/0034445 (2003-02-01), Boyd et al.
patent: A 2004-6187 (2004-01-01), None
patent: WO 01/27527 (2001-04-01), None

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