LED illumination module
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United States of America Patent
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Dec 9, 2008
Grant Date -
Nov 15, 2007
app pub date -
May 5, 2006
filing date -
May 5, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An LED illumination module has a light-emitting diode and a rotationally symmetrical, one-piece, light-transparent adapter lens centered on a lens axis. This lens has an axially rearwardly open blind hole defined by a radially inwardly directed frustoconical light-receiving side surface and an axially rearwardly directed convex light-receiving base surface. The diode is axially shiftable in the hole. An axially forwardly directed convex light-output surface is coaxially surrounded by an axially forwardly directed and forwardly flaring frustoconical light-output surface. A radially outwardly directed and radially inwardly reflective surface extends generally from a front edge of the axially forwardly directed frustoconical light-output surface to a rear edge of the radially inwardly directed frustoconical surface.
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