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OPTICAL ASSEMBLY

  • US 20140168766A1
  • Filed: 12/13/2013
  • Published: 06/19/2014
  • Est. Priority Date: 12/13/2012
  • Status: Active Grant
First Claim
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1. An optical assembly, comprising:

  • a light directing film having an average effective transmission of at least 1.3;

    a light diffusing film having an optical haze of at least 5%; and

    a plurality of spaced apart posts disposed and defining an air gap between the light directing and diffusing films, the plurality of spaced part posts being disposed on a first major surface of a substrate having an opposing second major surface, a first end of each post being attached to the first major surface of the substrate, an opposing second end of each post being attached to the light diffusing film via a first adhesive layer, the first adhesive layer forming a meniscus at each post, the meniscus having an outer surface radius of at least 0.5 micrometers.

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