Illumination sources and systems

Details Illumination sources and systems Illumination sources and systems

1996-07-12

2000-12-26

Husar, Stephen

Illumination

Revolving

362 27, 362 84, F21V 704

Patent

active

061647896

ABSTRACT:
The reflectivity of a substrate can be improved by combining a reflective diffuse layer with a specular layer. The light output of individual light sources can be improved by embedding them in a composite diffuse and specular substrate resulting in a superior illumination source. A tapered coupling waveguide having a large input surface can be used to couple the illumination source to a thin waveguide having a relatively small input surface area.

REFERENCES:
patent: Re33722 (1991-10-01), Scifres et al.
patent: 4935665 (1990-06-01), Murata
patent: 5396350 (1995-03-01), Beeson et al.
patent: 5428468 (1995-06-01), Zimmerman et al.
patent: 5462700 (1995-10-01), Beeson et al.
patent: 5481385 (1996-01-01), Zimmerman et al.
Search Report for PCT/US97/11378 received Nov. 17, 1997.

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