Lighting system including light guide with reflective micro...

Illumination – Edge lighted panel – Light guide

Reexamination Certificate

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Details

C362S623000, C362S627000, C362S026000

Reexamination Certificate

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07980748

ABSTRACT:
A light guide includes a light guide substrate having a top surface through which light is to be emitted, a bottom surface, an incident edge surface through which incident light is to be introduced into the light guide substrate, and another edge surface. The another edge surface includes at least one micro structure operative to reflect at least a portion of the incident light, which travels through the light guide substrate and is incident on the another edge surface, back within the light guide substrate.

REFERENCES:
patent: 5461547 (1995-10-01), Ciupke et al.
patent: 7686495 (2010-03-01), Noba
patent: 2005/0105282 (2005-05-01), Yu et al.
patent: 2006/0146573 (2006-07-01), Iwauchi et al.
patent: 2007/0086208 (2007-04-01), Lee et al.
patent: 11-149813 (1999-06-01), None
patent: 2000-127847 (2000-05-01), None
patent: 2002-162912 (2002-06-01), None
patent: 2004-127810 (2004-04-01), None
patent: 2005-285702 (2005-10-01), None
Japanese Office Action (with English translation) for corresponding Japanese Application No. 2009-198451 dated Feb. 15, 2011.

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