Title:
GREEN PHOSPHOR, LIGHT EMITTING ELEMENT AND LIGHT EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2018109076
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a γ-AlON green phosphor having improved brightness, a light emitting element including the phosphor, and a light emitting device including the light emitting element.SOLUTION: A green phosphor has a host crystal having the same crystal structure as a cubic spinel AlON crystal, and in the host crystal, element M (where element M is at least one element selected from Mn, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Tm, Yb) and element A (where element A is at least one metal element other than element M and Al) are dissolved in a solid state, where an aspect ratio obtained by dividing a minor axis of each phosphor particle by its major axis is 0.7 or more on average.SELECTED DRAWING: None
Inventors:
KOBAYASHI KEITA
YAMAURA TAIYO
WATANABE SHINTARO
YAMAURA TAIYO
WATANABE SHINTARO
Application Number:
JP2016256180A
Publication Date:
July 12, 2018
Filing Date:
December 28, 2016
Export Citation:
Assignee:
DENKA CO LTD
International Classes:
C09K11/64; H01L33/50