Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 9, 2008
0Patent Application Number
113815180
Date Filed
May 3, 2006
0Patent Primary Examiner
Patent abstract
An LED extractor has an input surface adapted to optically couple to an emitting surface of an LED die, and is composed of a glass (including a glass-ceramic) material whose refractive index is at least 2, or at least 2.2.
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