Title:
A wavelength converter and a luminescent device using it
Document Type and Number:
Japanese Patent JP6044073
Kind Code:
B2
Abstract:
The wavelength converting device includes a substrate and a wavelength converting member disposed on the substrate. The wavelength converting member includes a fluorescent material powder and a binder binding the fluorescent material powder. An upper surface of the wavelength converting member serves as a light emitting surface which includes upper surfaces of the fluorescent material powder and an upper surface of the binder. The binder has first recesses formed adjacent to the fluorescent material powder in the upper surface of the binder.
Inventors:
Nakatsu Yoshitaka
Takashi Sugiyama
Takashi Sugiyama
Application Number:
JP2011285699A
Publication Date:
December 14, 2016
Filing Date:
December 27, 2011
Export Citation:
Assignee:
Nichia Corporation
International Classes:
H01S5/022; F21V9/40; H01L33/50
Domestic Patent References:
| JP2006037097A | ||||
| JP2008115223A | ||||
| JP2010229002A | ||||
| JP11174019A | ||||
| JP2000185986A |
Foreign References:
| WO2011097379A1 | ||||
| WO2007148829A1 |
Attorney, Agent or Firm:
Samejima Mutsumi
Keiichi
Keiichi