LIGHT-EMITTING DEVICE AND LUMINAIRE

PROBLEM TO BE SOLVED: To provide a light-emitting device and a luminaire which can achieve uniformity of light and reduction of glare.SOLUTION: The light-emitting device 10 comprises a solid light-emitting element 11, an optical conversion member 14, and a light transmitting member 15. The optical c...

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Bibliographic Details
Main Author KAWAKATSU AKIRA
Format Patent
LanguageEnglish
Published 11.10.2012
Subjects
BASIC ELECTRIC ELEMENTS
BLASTING
ELECTRIC SOLID STATE DEVICES 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
LIGHTING
MECHANICAL ENGINEERING
NON-PORTABLE LIGHTING DEVICES
SEMICONDUCTOR DEVICES
SYSTEMS THEREOF
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a light-emitting device and a luminaire which can achieve uniformity of light and reduction of glare.SOLUTION: The light-emitting device 10 comprises a solid light-emitting element 11, an optical conversion member 14, and a light transmitting member 15. The optical conversion member 14 is arranged in the solid light-emitting element. The light transmitting member 15 has a substrate 15a made of aluminum oxide arranged on the outer surface side of the optical conversion member to face the solid light-emitting element, and a through hole 15b penetrates the substrate from the rear side, or the surface facing the solid light-emitting element, to the surface side of the substrate facing outward.
Bibliography:Application Number: JP20110057629