LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS

Provided is a light emitting device (10) including a solid-state light-emitting element (1) that emits primary light (6), a wavelength converter (2) that includes a phosphor containing a fluorescent ion which absorbs the primary light (6) on the basis of a forbidden transition-type electronic energy...

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Bibliographic Details
Main Authors SHIGITANI, Ryosuke, OSHIO, Shozo, NITTA, Mitsuru
Format Patent
LanguageEnglish
French
German
Published 05.06.2024
Subjects
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PAINTS
PHYSICS
POLISHES
SEMICONDUCTOR DEVICES
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Summary:Provided is a light emitting device (10) including a solid-state light-emitting element (1) that emits primary light (6), a wavelength converter (2) that includes a phosphor containing a fluorescent ion which absorbs the primary light (6) on the basis of a forbidden transition-type electronic energy transition, and an optical member (3) that reflects the primary light (6) while transmitting fluorescence emitted by the fluorescent ion. The solid-state light-emitting element (1) is arranged on a side of one surface of the wavelength converter (2) and the optical member (3) is arranged on a side of the other surface. The fluorescence emitted by the fluorescent ion passes through the optical member (3) and is output to the outside of the light emitting device (10). An electronic apparatus (20) includes the above-described light emitting device (10).
Bibliography:Application Number: EP20220849100