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Light source device and projection display apparatus

  • US 8,469,520 B2
  • Filed: 05/31/2011
  • Issued: 06/25/2013
  • Est. Priority Date: 05/31/2010
  • Status: Active Grant
First Claim
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1. A light source device comprising:

  • a reference light source that emits reference color component light of a plurality of colors;

    an excitation light source that emits an excitation light for a supplemental color component light;

    a luminous body member including a luminous body that emits the supplemental color component light in response to the excitation light, the luminous body member including a plurality of supplementary color emission regions configured to emit different supplementary colors upon exposure to the excitation light; and

    a combining unit that combines the reference color component light of the plurality colors and the supplemental color component light in such a way as to superimpose the supplemental color component light on light paths of the reference color component light of the plurality of colors.

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