Nanostructured articles and methods to make the same
First Claim
1. A material comprising sub-micrometer particles and polymeric matrix, wherein the sub-micrometer particles consist of a first portion of the sub-micrometer particles dispersed within the polymeric matrix and a second portion dispersed in the polymeric matrix, wherein the material has a major surface, wherein the sub-micrometer particles have particle sizes of at least 75 nm, wherein the second portion of the sub-micrometer particles protrude from the major surface by up to 90 percent of their respective particle sizes, wherein the protruding sub-micrometer particles each have an exposed outer surface, and wherein less than 50 percent of the exposed outer surface is covered by organic material.
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Abstract
Material comprising sub-micrometer particles dispersed in a polymeric matrix. The materials are useful in article, for example, for numerous applications including display applications (e.g., liquid crystal displays (LCD), light emitting diode (LED) displays, or plasma displays); light extraction; electromagnetic interference (EMI) shielding, ophthalmic lenses; face shielding lenses or films; window films; antireflection for construction applications; and construction applications or traffic signs.
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17 Claims
- 1. A material comprising sub-micrometer particles and polymeric matrix, wherein the sub-micrometer particles consist of a first portion of the sub-micrometer particles dispersed within the polymeric matrix and a second portion dispersed in the polymeric matrix, wherein the material has a major surface, wherein the sub-micrometer particles have particle sizes of at least 75 nm, wherein the second portion of the sub-micrometer particles protrude from the major surface by up to 90 percent of their respective particle sizes, wherein the protruding sub-micrometer particles each have an exposed outer surface, and wherein less than 50 percent of the exposed outer surface is covered by organic material.
Specification