Light extractor for a light guide lamp
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United States of America Patent
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Feb 7, 2006
Grant Date -
Sep 16, 2004
app pub date -
Mar 14, 2003
filing date -
Sep 15, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is described a light extractor (8) for a light guide lamp (1) whose useful surface, that is to say, the surface that, in use, faces the emission surface (5) of the light guide lamp (1), comprises a predetermined distribution of diffusing points (10) and a complementary distribution of reflecting points (9). The light extractor (8) allows obtaining an illumination having preselected features. There are also described methods for determining such a distribution of points so as to obtain a highly uniform illumination.
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Cited Art Landscape
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