OPTICAL AND INCREASED OLED ILLUMINATION
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Dec 29, 2014
filing date -
Oct 28, 2014
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Abstract
An optical and increased OLED illumination includes a light-emitting body and an out-coupling film. The light-emitting body has a light-emitting surface. The out-coupling film is located on the light-emitting surface of the light emitting body. The out-coupling film includes a substrate and a plurality of optical micro particles. The index of refraction of the substrate is substantially the same as that of the light-emitting body, and the optical micro particles are uniformly distributed in the substrate.
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