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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
Application Number:
JP2019092659A
Publication Date:
April 13, 2023
Filing Date:
May 16, 2019
Export Citation:
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Assignee:
Stanley Electric Co., Ltd.
International Classes:
H01L33/50; H01L33/60
Domestic Patent References:
JP2017108091A
JP2011228703A
JP2015050468A
JP2014068010A
JP2010283281A
JP2013247269A
JP2019016763A
JP2018006490A
JP2017183427A
JP2017050359A
JP2016533030A
JP2015195294A
JP2015079805A
JP2015506591A
JP2010272847A
JP2010238846A
JP2010219324A
JP2020077676A
JP2019096675A
Foreign References:
US20170365746
WO2018105374A1
CN106098903A
US20160204314
US20110133220
Attorney, Agent or Firm:
Patent Attorney Corporation Lexto International Patent Office