LIGHT MANAGEMENT FILMS WITH ZIRCONIA PARTICLES
First Claim
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1. A light management film comprising an optical layer having a microstructured surface, the optical layer comprising(a) a polymeric material;
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Abstract
Light management films and methods of making light management films are described. The light management films contain an optical layer that contains polymeric material and zirconia particles. The zirconia particles are colloidal, crystalline, substantially non-associated, and have a narrow size distribution.
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Citations
23 Claims
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1. A light management film comprising an optical layer having a microstructured surface, the optical layer comprising
(a) a polymeric material; - and
(b) a plurality of surface-modified zirconia particles, wherein the zirconia particles comprise 1 to 8 weight percent yttrium based on a weight of inorganic oxides in the zirconia particles and wherein the zirconia particles have an average primary particle size no greater than 30 nanometers wherein the light management film has a gain of at least 1.766. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification