Surface-emission light source with uniform illumination
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United States of America Patent
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Jun 4, 2013
Grant Date -
Jun 3, 2010
app pub date -
Dec 1, 2008
filing date -
Dec 1, 2008
priority date (Note) -
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Abstract
An extended area uniform light source providing uniform luminance is taught for displays and other applications where the light emission can be planar or have curvature. The uniform light source is achieved using a combination of a blue light-emitting electroluminescent layer and a highly stable inorganic photoluminescent color conversion layer to tailor the color spectrum of the emitted light. The invention thus encompasses the uniform light source, displays incorporating the uniform light sources as well of methods of making such light sources and displays.
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