Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 27, 2007
Patent Application Number
11593965
Date Filed
November 7, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
An illuminator with blue and red LEDs, a reflector upstream of the LEDs for capturing upstream light emitted out of the back surfaces of the LEDs and redirecting downstream as useful illumination, a band pass filter for conditioning the downstream light, a phosphor layer for changing the spectral properties of light from the LEDs, and a non-imaging concentrator for creating a beam of illumination over a predetermined solid angle, uniformity, and spectral content.
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