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Composite micro-structured sheet for diffusing and condensing light

  • US 20050013001A1
  • Filed: 09/24/2003
  • Published: 01/20/2005
  • Est. Priority Date: 07/17/2003
  • Status: Abandoned Application
First Claim
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1. A composite micro-structured sheet for diffusing and condensing light comprising a substrate having a top surface and a bottom surface, wherein a plurality of straight trenches with an arc cross-section or a micro-lens array is formed on the bottom surface for diffusing the incident light on the bottom surface, and a plurality of rhombus protrusions is formed on the top surface for raising the semi-brightness angle of the light that has passed through the bottom surface.

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