Title:
LIGHT CONCENTRATOR ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2014/130379
Kind Code:
A3
Abstract:
A light concentrator assembly includes a concentrator portion having multiple light concentrators. The light concentrator assembly concentrates light received from different parts of a light source, such as a light emitting diode, and outputs light beams that have an angular spectrum narrower than the light beam received from the light source. Each concentrator of the light concentrator assembly concentrates light from one or more parts of the same light source. Light can optionally be routed from the different parts of the light source to different ones of the multiple light concentrators using multiple angular rotators that maintain the angular spectrum of the light output by the different parts of the light source.
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Inventors:
LUTIAN JOHN M (US)
Application Number:
PCT/US2014/016654
Publication Date:
October 16, 2014
Filing Date:
February 17, 2014
Export Citation:
Assignee:
MICROSOFT CORP (US)
International Classes:
F21V8/00; G02B19/00
Foreign References:
| EP0271956A2 | 1988-06-22 | |||
| US20120268912A1 | 2012-10-25 | |||
| US6469755B1 | 2002-10-22 | |||
| US20040174709A1 | 2004-09-09 |
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