Electroluminescent device
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United States of America Patent
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May 31, 2011
Grant Date -
Sep 4, 2008
app pub date -
Jul 4, 2006
filing date -
Jul 14, 2005
priority date (Note) -
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Abstract
An electroluminescent device comprising at least one electroluminescent light source (2) with an electroluminescent layer (21) for emitting a primary radiation with an emission characteristic around a mean emission direction (5), and at least one light-converting element (3) for converting at least part of the primary radiation into a secondary radiation, wherein the shape of the light-converting element (3) is adapted to the emission characteristic of the electroluminescent light source (2) so as to generate a defined correlated color temperature as a function of a viewing angle (10).
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