Light source apparatus and projector

Light source apparatus and projector

  • CN 102,681,320 A
  • Filed: 03/07/2012
  • Published: 09/19/2012
  • Est. Priority Date: 03/07/2011
  • Status: Active Grant
First Claim
Patent Images

1. light supply apparatus, it possesses:

  • A plurality of light sources shine the light that wave band differs from one another and luminous intensity distribution distributes and differs from one another respectively;

    The collector lens group makes the light difference optically focused from said each light source;

    Guiding device, be disposed at said each light source by on the optical axis of the light of optically focused, make being distributed with uniform illumination of said each light source by the light of optically focused;

    The leaded light optical system makes being shone with the entrance port of the said guiding device of same optical axis direction by the light of optically focused of said each light source;

    Spread web wheel, be disposed at the entrance port of said guiding device, possess the different a plurality of sections of diffusivity at circumferencial direction;

    Motor makes said diffusion web wheel rotation;

    Light source control portion synchronously controls the rotation of said diffusion web wheel with lighting a lamp of said light source.

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