Retroreflecting optical construction
First Claim
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1. A retroreflecting optical construction comprising:
- a retroreflecting layer having a retroreflecting structured major surface; and
an optical film disposed on a first portion of the retroreflecting structured major surface and comprising a binder, a plurality of particles and a plurality of voids.
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Abstract
Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other.
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Citations
6 Claims
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1. A retroreflecting optical construction comprising:
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a retroreflecting layer having a retroreflecting structured major surface; and an optical film disposed on a first portion of the retroreflecting structured major surface and comprising a binder, a plurality of particles and a plurality of voids. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification