Light extraction element

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United States of America Patent

PATENT NO 9499740
APP PUB NO 20150144978A1
SERIAL NO

14548149

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Abstract

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Described herein are elements for light emitting devices comprising: an emissive element comprising a host material and an emissive guest material and substantially free of light scattering material; and a light scattering element comprising either a non-emissive or an emissive material, wherein the light scattering element is between about 2.5% to about 60% by volume voids and the thickness ratio of light scattering element to the emissive element is at least 1 to about 2.

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Patent Owner(s)

Patent OwnerAddress
NITTO DENKO CORPORATIONOSAKA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyagawa, Hiroaki Oceanside, US 51 595
Zhang, Bin San Diego, US 639 5289

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