Luminance enhancement film having a substrate incorporation dispersed particles for diffusion
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United States of America Patent
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Dec 12, 2017
Grant Date -
Jan 29, 2015
app pub date -
Oct 16, 2014
filing date -
May 23, 2008
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Abstract
The present invention discloses a light redirecting film. The light redirecting film comprises a support substrate and an optical substrate. The support substrate comprises a unitary body, wherein the unitary body has a first surface and a second surface opposite to the first surface. The optical substrate has a third surface and a fourth surface opposite to the third surface, wherein the fourth surface is a structured surface, and the second surface of the unitary body faces the third surface of the optical substrate. A plurality of particles are disposed in a region below the first surface of the unitary body, wherein the thickness of the region is smaller than the thickness of the unitary body.
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