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Light control film with off-axis visible indicia

  • US 8,096,667 B2
  • Filed: 05/13/2009
  • Issued: 01/17/2012
  • Est. Priority Date: 05/16/2008
  • Status: Active Grant
First Claim
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1. A light control film having an indicium visible at a range of viewing angles, comprising:

  • a light input surface and a light output surface opposite the light input surface; and

    alternating transmissive and absorptive regions disposed between the light input surface and the light output surface, each absorptive region having a height, wherein the heights of the absorptive regions corresponding to the indicium are different than the heights of the absorptive regions that surround the absorptive regions corresponding to indicium.

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