Light source device and lighting device
A light source device and light source technology, applied to lighting devices, components of lighting devices, light sources, etc., can solve the problems of increased brightness and low heat dissipation efficiency
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[0032] Hereinafter, a light source device and a lighting device of the present invention will be described according to exemplary embodiments with reference to the accompanying drawings.
[0033] figure 2 A light source device described in an application (Japanese Patent Application No. 2009-286397) filed by the applicant of the present application and earlier than the application on which the present application is filed is shown. refer to figure 2 , the light source device 10 may include: a fixed light source 5 emitting light having a predetermined wavelength in a wavelength region covering ultraviolet light wavelengths and visible light wavelengths; and a phosphor layer 2 (wavelength conversion layer) containing at least one type of Phosphor material (wavelength conversion material), which is at least one type of phosphor material excited by excitation light from fixed light source 5 , emits fluorescence having a wavelength longer than that of light emitted from fixed li...
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