Title:
PROCESS FOR MANUFACTURING FLUORESCENT MATERIAL
Document Type and Number:
WIPO Patent Application WO/2012/063707
Kind Code:
A1
Abstract:
A process for manufacturing a yellow fluorescent material, including a step of covering cores having a composition represented by the formula: M1
2a(M2
bLc)M3
dO4 with a film having a polysiloxane linkage. In the formula, M1 is at least one element selected from among alkali metals; M2 is at least one element selected from among Ca, Sr and Ba; M3 is at least one element selected from between Si and Ge; and L is at least one element that is selected from among rare earth elements, Bi and Mn and that contains Eu.
Inventors:
UMEDA TETSU (JP)
KAWAKAMI YOSHITAKA (JP)
KAWAKAMI YOSHITAKA (JP)
Application Number:
PCT/JP2011/075316
Publication Date:
May 18, 2012
Filing Date:
November 02, 2011
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
UMEDA TETSU (JP)
KAWAKAMI YOSHITAKA (JP)
UMEDA TETSU (JP)
KAWAKAMI YOSHITAKA (JP)
International Classes:
C09K11/08; C09K11/59; C09K11/66; H01L33/50
Domestic Patent References:
| WO2006090865A1 | 2006-08-31 |
Foreign References:
| JP2009179662A | 2009-08-13 | |||
| JP2008111080A | 2008-05-15 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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Claims: