WHITE LIGHT SOURCE SYSTEM

Provided is a white light source system that reproduces the light-emission properties of sunlight having temperature colors and light-emission spectrum shapes that change over time, said white light source system being used for office and domestic illumination. As a result of the present invention,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ITOGA, Tatsunori, OOYA, Yasumasa, TSUDA, Ryoji, TANIGUCHI, Junji, SHIRAKAWA, Yasuhiro, YAMAKAWA, Masahiko
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY DYES 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 LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE PAINTS POLISHES SEMICONDUCTOR DEVICES WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a white light source system that reproduces the light-emission properties of sunlight having temperature colors and light-emission spectrum shapes that change over time, said white light source system being used for office and domestic illumination. As a result of the present invention, a white light source system is provided that includes a plurality of white light sources. A relationship formula is fulfilled whereby the absolute value is no more than 0.15 for the difference between P (») × V (») / P (»max1) × V (»max1) and (B (») × V (»)) / B (»max2) ×V (»max2), when the light-emission spectrum for each white light source is P (»), the light-emission spectrum for black body radiation indicating the same color temperature as each white light source is B (»), the spectrum for spectral luminous efficiency is V (»), the maximum wavelength for P (») × V (») is »max1, and the maximum wavelength for B (») × V (») is »max2. The white light source system is characterized by the light-emission properties of the white light emitted from the system continuously changing over time, as a result of changing the mixing ratio for light from a plurality of white light sources.