OPTICAL MEMBER, AND ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE PROVIDED WITH THE OPTICAL MEMBER
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
Jan 28, 2010
filing date -
Feb 20, 2009
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Abandoned
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Abstract
An optical member according to the present invention includes a transparent substrate provided with a barrier layer, a low-refractive-index layer, and a light diffusion layer, the transparent substrate, the low-refractive index layer and the light diffusion layer being provided in this order, wherein the light diffusion layer includes a light scattering particle and a matrix material containing at least a binder resin, the light scattering particle being dispersed in the matrix material, wherein the low-refractive-index layer has a thickness of 1.2 m or more, and wherein the optical member is used in organic electroluminescence display devices.
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