OPTICAL FILM ASSEMBLY AND DISPLAY DEVICE
First Claim
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1. An optical film comprised of a light transmissible polymeric material having a microstructured surface wherein the film is a substantially non-polarizing film having a single sheet relative gain of at least 1.78.
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Abstract
Microstructured optical films, assemblies of films including at least one microstructured optical film, and (e.g. illuminated) display devices including a single microstructured optical film or assembly.
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25 Claims
- 1. An optical film comprised of a light transmissible polymeric material having a microstructured surface wherein the film is a substantially non-polarizing film having a single sheet relative gain of at least 1.78.
- 15. An assembly comprising a first microstructured optical film proximate a non-structured reflective polarizing film and gain of the assembly of the first film and polarizing film is at least 2.59.
- 17. An assembly comprising a first substantially non-polarizing microstructured optical film proximate a second substantially non-polarizing microstructured optical film wherein the relative gain of the assembly of the first and second films is at least 2.80.
Specification