Patent ID: 8011810
Filing Date: 2011-09-06
Classification: G02B

Abstract:
1. A light integrator comprising: a body for integrating light, said body having a length and a light egress end; a first light entrance device for accepting light from a first lamp into said body, said first light entrance device comprising a first light entrance face, said first light entrance device located distal said light egress end; and a second light entrance device for accepting light from a second lamp, said second light entrance device comprising a second light entrance face parallel to said first light entrance face, said second light entrance device laterally displaced from said first light entrance device in a direction generally perpendicular to both the body length and an axis normal to said first light entrance face, such that light from said first and second lamps independently enter the integrator via said first and second light entrance devices respectively, and exit said light egress end, said second light entrance device further displaced from said first light entrance device along said body towards said light egress end, such that each of said first and second lamps may be displaced from one another along said body.