Light emitting device having semiconductor laser and fluorescent material and method for manufacturing the same
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United States of America Patent
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Sep 25, 2012
Grant Date -
Sep 30, 2010
app pub date -
Mar 17, 2010
filing date -
Mar 26, 2009
priority date (Note) -
Expired
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Abstract
A light emitting device, includes: a casing; a window; a semiconductor laser provided in an enclosed space formed by the casing and the window; and a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space, the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and the secondary light being taken out through the window.
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