Patent ID: 6464375
Filing Date: 2002-10-15
Classification: G02B,H04N

Abstract:
An illumination optical apparatus for illuminating a predetermined region by condensing the lights emitted from a plurality of illuminants, comprising:the plurality of illuminants; a first condensing means for condensing the lights emitted from the illuminants; a light synthesizing means for synthesizing the lights condensed by the first condensing means and emitting the synthesized light in a predetermined direction; a second condensing means into which the light emitted from the light synthesizing means comes to emit substantially parallel light; a first lens array constituted with a plurality of lenses to divide the light supplied from the second condensing means into a plurality of luminous fluxes; a second lens array constituted with a plurality of lenses and into which the light supplied from the first lens array comes, wherein images corresponding to the illuminants are formed on each same aperture of the lenses constituting the second lens array.