LIGHT EMITTING DEVICE AND ILLUMINATION DEVICE

A light emitting device emits light that is specified by an emission spectrum having a first peak wavelength, a second peak wavelength, a third peak wavelength, and a fourth peak wavelength. The first peak wavelength is included in a wavelength range of 600 nm to 660 nm. The second peak wavelength i...

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Bibliographische Detailangaben
Hauptverfasser:	KOHEI, Ikeda, KATOU, Hidetaka, KUSANO, Tamio, MIYAKE, Akira, HIRABAYASHI, Tsuneyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF 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 LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE ORSPECIALLY ADAPTED FOR TRANSPORTATION MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEMICONDUCTOR DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	A light emitting device emits light that is specified by an emission spectrum having a first peak wavelength, a second peak wavelength, a third peak wavelength, and a fourth peak wavelength. The first peak wavelength is included in a wavelength range of 600 nm to 660 nm. The second peak wavelength is included in a wavelength range of 510 nm to 550 nm. The third peak wavelength is included in a wavelength range of 440 nm to 470 nm. The fourth peak wavelength is included in a wavelength range of 360 nm to 430 nm. When a light intensity at the first peak wavelength is assumed to be 1, a relative light intensity at the second peak wavelength is greater than or equal to 0.75 and less than or equal to 0.98. A relative light intensity at the third peak wavelength is greater than or equal to 0.55 and less than or equal to 0.95. A relative light intensity at the fourth peak wavelength is greater than or equal to 0.50 and less than or equal to 0.85.