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Paper Abstract and Keywords
Presentation 2019-01-25 10:15
New red or orange sulfide phosphors for vacuum fluorescence display
Tsuyoshi Okuno, Yasuhiro Nakagawa, Kai Shimura (UEC Tokyo), Yasushi Nanai (Aoyama Gakuin Univ), Yoshitaka Sato, Toshiyuki Misonou (Futaba)
Abstract (in Japanese) (See Japanese page) 
(in English) New red or orange sulfide phosphors are studied. La2S3:Ce3+ and Y4(SiS4)3:Ce3+ were synthesized by solid-state reaction under vacuum or sulfur vapor atmosphere. Red or orange photoluminescence and cathodeluminescence were obtained from La2S3:Ce3+ or Y4(SiS4)3:Ce3+, respectively. Test devices of vacuum fluorescence display were prepared, and cathodeluminescence intensity was unfortunately as small as 10 cd m-2 at present. The atmosphere in the solid-state reaction of the phosphor synthesis changed the dependence of cathodeluminescence intensity on acceleration voltage. Ce3+ ions on the surface region in the phosphor powder are believed to be important for efficient cathodeluminescence.
Keyword (in Japanese) (See Japanese page) 
(in English) Red phosphor / Cerium / Sulfide / Cathodeluminescence / Red phosphor,Vacuum fluorescence display / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 422, EID2018-12, pp. 89-92, Jan. 2019.
Paper # EID2018-12 
Date of Issue 2019-01-17 (EID) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Conference Date 2019-01-24 - 2019-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EID 
Conference Code 2019-01-EID-IDY-SSL-JC-EDD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) New red or orange sulfide phosphors for vacuum fluorescence display 
Sub Title (in English)  
Keyword(1) Red phosphor  
Keyword(2) Cerium  
Keyword(3) Sulfide  
Keyword(4) Cathodeluminescence  
Keyword(5) Red phosphor,Vacuum fluorescence display  
1st Author's Name Tsuyoshi Okuno  
1st Author's Affiliation The University of Electro-Communications (UEC Tokyo)
2nd Author's Name Yasuhiro Nakagawa  
2nd Author's Affiliation The University of Electro-Communications (UEC Tokyo)
3rd Author's Name Kai Shimura  
3rd Author's Affiliation The University of Electro-Communications (UEC Tokyo)
4th Author's Name Yasushi Nanai  
4th Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin Univ)
5th Author's Name Yoshitaka Sato  
5th Author's Affiliation Futaba Corporation (Futaba)
6th Author's Name Toshiyuki Misonou  
6th Author's Affiliation Futaba Corporation (Futaba)
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Date Time 2019-01-25 10:15:00 
Presentation Time
Registration for EID 
Paper # IEICE-EID2018-12 
Volume (vol) IEICE-118 
Number (no) no.422 
Page pp.89-92 
#Pages IEICE-4 
Date of Issue IEICE-EID-2019-01-17 

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