Light source device and image projection apparatus
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United States of America Patent
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Jan 16, 2024
Grant Date -
Sep 22, 2022
app pub date -
Mar 11, 2022
filing date -
Mar 17, 2021
priority date (Note) -
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Abstract
A light source device includes: a first light source to emit first color light; a second light source to emit second color light; a wavelength conversion unit to convert at least a portion of the first color light into a third color light; a light incident element to which the first color light, the second color light, and the third color light enter; a first filter to reflect the first color light toward the wavelength conversion unit; and a second filter to reflect the second color light toward the light incident element. The first filter and the second filter are separately disposed on an optical path of the third color light between the wavelength conversion unit and the light incident element.
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