Light-emitting device with reflective resin

Improves light extraction efficiency. A light emitting device 1 using a white resin molding package 5 integrally molded with lead frames 3, 4 constituting an electrode corresponding to one or a plurality of light emitting element 2 and white resin, wherein an area in a plane view of a white resin su...

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Bibliographic Details
Main Authors Yamaguchi Shinji, Itoh Shin, Ohta Masayuki, Tatsumi Masaki, Kimura Tomoshi, Tamaki Kazuo, Sota Yoshiki
Format Patent
LanguageEnglish
Published 03.01.2017
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:Improves light extraction efficiency. A light emitting device 1 using a white resin molding package 5 integrally molded with lead frames 3, 4 constituting an electrode corresponding to one or a plurality of light emitting element 2 and white resin, wherein an area in a plane view of a white resin surface on a reflective surface that is level with amounting surface of the light emitting element 2 is configured to be larger than total area in a plane view occupied by surfaces of the lead frames 3, 4 and the light emitting element. Further, a step section is formed on the surfaces of lead frames 3, 4, white resin is filled in the step section, and the area of white resin surface on a reflective surface where the light emitting element 2 is mounted is increased.
Bibliography:Application Number: US201214236930