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Luminance enhancement optical substrates with anti-interference-fringe structures

  • US 9,075,178 B2
  • Filed: 02/03/2014
  • Issued: 07/07/2015
  • Est. Priority Date: 06/09/2006
  • Status: Active Grant
First Claim
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1. An optical substrate, comprising:

  • a substrate;

    a light input surface at one side of the substrate; and

    a structured light output surface at an opposite side of the substrate, comprising rows of laterally arranged longitudinal prism structures, wherein each row of longitudinal prism structures meanders laterally, forming laterally deforming sections, wherein each laterally deforming section has a lateral deformation D, and wherein 0 μ

    m<

    D<

    40 μ

    m.

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