Title:
発光装置
Document Type and Number:
Japanese Patent JP7257247
Kind Code:
B2
Abstract:
To provide a light-emitting device with high quality and high luminance that prevents early deterioration of a light reflector.SOLUTION: A light-emitting device includes a board 11, a light emitting element that is arranged on the top surface of the board, 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 a first portion including a bottom surface extending along the top surface of the board and having a frustum shape, and a second portion including a bottom surface arranged on the top surface of the first portion and a top surface opposite to the bottom surface, and including a curved side surface extending from the edge of the top surface and convex outward in a direction parallel to the top surface, and a light reflector 50 that is formed so as to cover the side surface of the first portion and the side surface of the second portion, and has reflectivity to the light generated by the light emitting element and the wavelength converter.SELECTED DRAWING: Figure 3
Inventors:
Harada Mitsunori
Liang Yoshiho
Kaori Tachibana
Toshiya Ide
Taiji Kotani
Kyotaro Koike
Ken Ando
Liang Yoshiho
Kaori Tachibana
Toshiya Ide
Taiji Kotani
Kyotaro Koike
Ken Ando
Application Number:
JP2019092659A
Publication Date:
April 13, 2023
Filing Date:
May 16, 2019
Export Citation:
Assignee:
Stanley Electric Co., Ltd.
International Classes:
H01L33/50; H01L33/60
Domestic Patent References:
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Foreign References:
| US20170365746 | ||||
| WO2018105374A1 | ||||
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Attorney, Agent or Firm:
Patent Attorney Corporation Lexto International Patent Office
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