WHITE LIGHT SOURCE AND WHITE LIGHT SOURCE SYSTEM

There is provided a white light source approximating sunlight and being capable of reproducing a subtle difference in sunlight which changes depending on times and locations, and provided a white light source system of a lighting system or the like. The white light source includes a light source uni...

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Bibliographische Detailangaben
Hauptverfasser:	YAGI, Noriaki, KOBAYASHI, Kumpei, YAMAKAWA, Masahiko
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SEMICONDUCTOR DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	There is provided a white light source approximating sunlight and being capable of reproducing a subtle difference in sunlight which changes depending on times and locations, and provided a white light source system of a lighting system or the like. The white light source includes a light source unit. Light which is emitted from the light source unit is a chromaticity point on a CIE chromaticity diagram and has a correlated color temperature corresponding to a chromaticity point including a deviation of -0.005 or more to +0.005 or less with respect to a black body radiation locus, and satisfies a formula: -0.2 ≤ [(P (λ) × V (λ))/(P (Xmax1) × V (Xmax1)) - (B (λ) × V (λ))/(B (kmax2) × V (λmax2))] ≤ +0.2.