PROJECTION APPARATUS USING SOLID-STATE LIGHT SOURCE ARRAY

  • US 20090122272A1
  • Filed: 11/09/2007
  • Published: 05/14/2009
  • Est. Priority Date: 11/09/2007
  • Status: Abandoned Application
First Claim
Patent Images

1. An illumination apparatus for a digital image projector, the illumination apparatus comprising:

  • a) a plurality of solid-state laser arrays, each laser array comprising one or more rows of lasers; and

    b) a light combiner having an output optical axis and comprising a plurality of light-redirecting prisms arranged in a stack, each light-redirecting prism comprising;

    (i) at least one contact surface that extends parallel or substantially parallel to the output optical axis and is in optical contact with an adjacent prism in the stack; and

    (ii) a light redirecting facet that is disposed at an oblique angle to the at least one contact surface.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×