Light source device and projector
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United States of America Patent
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Mar 31, 2009
Grant Date -
Dec 18, 2008
app pub date -
Jun 10, 2008
filing date -
Jun 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A light source device includes a light source having a plurality of light emitting sections, a plurality of wavelength conversion elements each having a periodic polarization inversion structure, and for converting wavelengths of light beams emitted from the plurality of light emitting sections into predetermined wavelengths, a temperature control medium for controlling temperature of the plurality of wavelength conversion elements, a holding member having a housing space for housing the temperature control medium, and for holding the plurality of wavelength conversion elements, and a temperature control section for controlling the temperature of the plurality of wavelength conversion elements with the temperature control medium, and the temperature control section controls the temperature of the wavelength conversion elements so that the wavelength of the light beam emitted from at least one of the plurality of wavelength conversion elements is different from the wavelength of the light beam emitted from another of the plurality of wavelength conversion elements.
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