Illuminating system and projector using same

Illuminating system and projector using same

  • CN 100,350,282 C
  • Filed: 06/18/2002
  • Issued: 11/21/2007
  • Est. Priority Date: 09/29/2001
  • Status: Active Grant
First Claim
Patent Images

1. illuminator comprises:

  • At least a luminescent device, emission has light beams of predetermined wavelengths;

    A kind of holographic optical elements (HOE) is arranged in the light path, reduces the xsect that sends light beam from luminescent device;

    Wherein said illuminator further comprises light path altering unit, from the holographic optical elements (HOE) outgoing beam, changes the light path of light beam by selective transmission or reflection.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×