Illumination apparatus using light guide and portable...

Details Illumination apparatus using light guide and portable... Illumination apparatus using light guide and portable...

2009-05-28

2011-11-15

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light source

C362S555000, C362S628000

Reexamination Certificate

active

08057085

ABSTRACT:
An illumination apparatus includes at least one light source for outputting light, a light guide for guiding light input from the at least one light source through multiple reflections in the light guide, at least one groove formed on the light guide to reflect incident light, and a light extraction pattern formed on a surface of the light guide to output the incident light to an exterior of the light guide.

REFERENCES:
patent: 7147356 (2006-12-01), Tamaki
patent: 7458695 (2008-12-01), Birman et al.
patent: 2004/0066659 (2004-04-01), Mezei et al.
patent: 2006/0002146 (2006-01-01), Baba
patent: 2006/0260922 (2006-11-01), Lee et al.
patent: 2009/0040785 (2009-02-01), Shimura et al.

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