Title:
LIGHT EMITTING ELEMENT, REFERENCE LIGHT SOURCE, AND PHOSPHOR OBSERVATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/098796
Kind Code:
A1
Abstract:
In the present invention, light, the emission angle distribution of which is either a Lambert emission distribution or an isotropic uniform emission distribution, is extracted from a light extraction opening window. A light emitting element, in which the in-plane distribution of the light intensity of a light extraction surface in the light extraction opening window is uniform, is used as a reference light source when performing measurement of the absolute light volume of weak light emitted from a phosphor which is the object of measurement.
Inventors:
AKIYAMA HIDEFUMI (JP)
YOSHITA MASAHIRO (JP)
OHMIYA YOSHIHIRO (JP)
KUBOTA HIDEHIRO (JP)
MORI KANEO (JP)
SHIMOGAWARA MASAHIRO (JP)
YOSHITA MASAHIRO (JP)
OHMIYA YOSHIHIRO (JP)
KUBOTA HIDEHIRO (JP)
MORI KANEO (JP)
SHIMOGAWARA MASAHIRO (JP)
Application Number:
PCT/JP2014/083835
Publication Date:
July 02, 2015
Filing Date:
December 22, 2014
Export Citation:
Assignee:
UNIV TOKYO (JP)
NAT INST OF ADVANCED IND SCIEN (JP)
ATTO CORP (JP)
NAT INST OF ADVANCED IND SCIEN (JP)
ATTO CORP (JP)
International Classes:
H01L33/14; G01J1/00; G01M11/00; H01L33/00; H01L33/38; H05B44/00
Foreign References:
JPH03262931A | 1991-11-22 | |||
JP2012211783A | 2012-11-01 | |||
JP2006276784A | 2006-10-12 | |||
JP2012238721A | 2012-12-06 | |||
JP2009287976A | 2009-12-10 | |||
JP2013532839A | 2013-08-19 |
Attorney, Agent or Firm:
FUKUOKA Masahiro et al. (JP)
Masahiro Fukuoka (JP)
Masahiro Fukuoka (JP)
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