×

Optical transformer for small light sources

  • US 6,646,813 B2
  • Filed: 12/21/2001
  • Issued: 11/11/2003
  • Est. Priority Date: 12/21/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A light ejector for ejecting substantially collimated light injected by a light source, comprising:

  • a plurality of partially reflective interfaces arranged along a central axis, said partially reflective interfaces also arranged symmetrically at a nonzero angle with respect to the central axis, so that substantially collimated light injected by said light source in a direction approximately longitudinally along said central axis travels through each of said partially reflective interfaces, providing an area light output comprising light reflected from each of said partially reflective interfaces.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×