LIGHT SOURCE DEVICE

Provided is a light source device for converting excited light into long-wavelength light having a longer wavelength than the excited light to more efficiently emit the light having a desired wavelength. The light source includes: an excited light source emitting excited light; a wavelength conversi...

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Bibliographische Detailangaben
Hauptverfasser:	HORIKAWA, Yoshihiro, KABUKI, Kiyoyuki, YOSHIDA, Kazuhiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR ADHESIVES APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY CINEMATOGRAPHY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HEATING HOLOGRAPHY LIGHTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-PORTABLE LIGHTING DEVICES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PHOTOGRAPHY PHYSICS POLISHES SEMICONDUCTOR DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a light source device for converting excited light into long-wavelength light having a longer wavelength than the excited light to more efficiently emit the light having a desired wavelength. The light source includes: an excited light source emitting excited light; a wavelength conversion member including a light transmission plate and a wavelength conversion layer formed on the light transmission plate and receiving the excited light from the excited light source and emitting long-wavelength light having a longer wavelength than the excited light, the excited light emitted from the excited light source being incident upon one side of the wavelength conversion layer; a light reflection member provided at one side of the wavelength conversion member and including an excited light transmission window transmitting the excited light; and a filter member provided at the other side of the wavelength conversion member and reflecting the excited light and transmitting the long-wavelength light.