Title:
蛍光体及び発光装置
Document Type and Number:
Japanese Patent JP6867614
Kind Code:
B2
Abstract:
Provided are a fluorescent material including a high light emission intensity and a light emitting device using the same. The present fluorescent material includes at least an A element, a M element, a D element, a E element, and an X element, wherein the A element is at least one element selected from the group consisting of Sr, Mg, Ca, and Ba; the M element is at least one element selected from the group consisting of Eu, Mn, Ce, Pr, Nd, Sm, Tb, Dy, and Yb; the D element is at least one element selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hf, the E element is at least one element selected from the group consisting of Al, B, Ga, In, Sc, Y, and La; the X element is at least one element selected from the group consisting of O, N, and F; and a molar ratio of the M element to the sum of the A element and the M element [M/(A+M)] is 0.06 or less.
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Inventors:
Naoto Hirosaki
Takashi Takeda
Shiro Funabashi
Shinohara
Masaharu Hosokawa
Takashi Takeda
Shiro Funabashi
Shinohara
Masaharu Hosokawa
Application Number:
JP2016243650A
Publication Date:
April 28, 2021
Filing Date:
December 15, 2016
Export Citation:
Assignee:
National Institute for Materials Science
Nichia Corporation
Nichia Corporation
International Classes:
C09K11/64; C04B35/58; H01L33/50
Domestic Patent References:
| JP2015078317A | ||||
| JP2002363554A | ||||
| JP2006335832A | ||||
| JP2010031201A |
Foreign References:
| WO2006106883A1 | ||||
| CN101885966A |
Attorney, Agent or Firm:
Tamotsu Otani
Makoto Kataoka
Hidemi Kawada
Makoto Kataoka
Hidemi Kawada