LIGHT-EMITTING DEVICE

To provide a light-emitting device with high luminance including a wavelength converter that emits light having a difference in luminance from a light emitting surface.SOLUTION: A light-emitting device includes a board 11, a light emitting element that is formed on the board, and a wavelength conver...

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Bibliographic Details
Main Authors KOTANI TAIJI, HARADA MITSUNORI, TACHIBANA YOSHIORI, ANDO KEN, IDE TOSHIYA, KOIKE KYOTARO, LIANG JI-HAO
Format Patent
LanguageEnglish
Japanese
Published 19.11.2020
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:To provide a light-emitting device with high luminance including a wavelength converter that emits light having a difference in luminance from a light emitting surface.SOLUTION: A light-emitting device includes a board 11, a light emitting element that is formed on the board, and a wavelength converter 40 that is arranged on the light emitting element, performs wavelength conversion on light emitted from the light emitting element, and includes an inclined portion 42 including a bottom surface extending along the board 11, a first side surface 42A inclined outward from the bottom surface, and a second side surface 42B inclined inward from the bottom surface.SELECTED DRAWING: Figure 3 【課題】光出射面から輝度の差を有する光を出射する波長変換体を有し、高輝度な発光装置を提供する。【解決手段】基板１１と、基板上に形成された発光素子と、発光素子上に配置されて発光素子から放出された光に対して波長変換を行う波長変換体４０であって、基板１１に沿って延びる底面、底面から外側に傾斜する第１の側面４２Ａ及び底面から内側に傾斜する第２の側面４２Ｂを有する傾斜部４２を有する波長変換体４０と、を有する。【選択図】図３
Bibliography:Application Number: JP20190092664