Title:
発光装置
Document Type and Number:
Japanese Patent JP4379531
Kind Code:
B2
Abstract:
A light emitting device, comprises: an excitation light source that emits excitation light; a wavelength conversion member that absorbs the excitation light emitted from the excitation light source, converts its wavelength, and releases light of a predetermined wavelength band; a light guide in which the center part (core) of its cross section has a refractive index that is higher than the refractive index of the peripheral portion (cladding), and which guides the light emitted from the wavelength conversion member to the outside; and wherein the wavelength conversion member is produced by laminating a plurality of layers that wavelength-convert different wavelengths of light.
Inventors:
Hama Atsushi
Tomoaki Honda
Shinichi Nagahama
Takeshi Junji
Murasaki Yoshinori
Hiroto Tamaki
Yukihiro Hayashi
Tomoaki Honda
Shinichi Nagahama
Takeshi Junji
Murasaki Yoshinori
Hiroto Tamaki
Yukihiro Hayashi
Application Number:
JP2008168693A
Publication Date:
December 09, 2009
Filing Date:
June 27, 2008
Export Citation:
Assignee:
Nichia Corporation
International Classes:
F21V8/00; A61B1/00; A61B1/06; F21V9/16; G02B6/00; G02B6/42; G02F2/02; H01L33/00; H01L33/32; H01L33/50; H01L33/58; H01S5/022; F21Y101/02
Domestic Patent References:
| JP2004071357A | ||||
| JP2002165750A |
Foreign References:
| WO2003021329A1 |
Attorney, Agent or Firm:
Yukio Ono
Horikawa Kaori
Horikawa Kaori