Light scrambling system

  • US 7,422,354 B2
  • Filed: 06/11/2007
  • Issued: 09/09/2008
  • Est. Priority Date: 09/04/2003
  • Status: Active Grant
First Claim
Patent Images

1. A light scrambling system comprising:

  • a substrate with a first surface and a second surface opposite the first surface; and

    a plurality of light pipes, each having a first end on the first surface of the substrate, a second end on the second surface of the substrate, and at least one inside surface formed by a refractive index boundary;

    wherein each light pipe is adapted to receive a light input at the first end and to transmit the light output at the second end;

    wherein the light input is received by the first end at a plurality of input angles, wherein the light output is transmitted at the second end at a plurality of output angles, and wherein at least a portion of the input angles are different from at least a portion of the output angles, thereby scrambling the light received by the first ends of the light pipes and transmitted by the second ends of the light pipes.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×