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Development of High-Efficiency Zn2SiO4:Mn Thin Films for Flat Panel Cathodoluminescent Displays

Published online by Cambridge University Press:  10 February 2011

J. Liu ,
D. C. Morton ,
M. R. Miller ,
Y. Li ,
E. W. Forsythe  and
G. S. Tompa
J. Liu
Affiliation:
Army Research Laboratory, Sensors and Electron Devices Directorate, Fort Monmouth, NJ 07703–5601
D. C. Morton
Affiliation:
Army Research Laboratory, Sensors and Electron Devices Directorate, Fort Monmouth, NJ 07703–5601
M. R. Miller
Affiliation:
Army Research Laboratory, Sensors and Electron Devices Directorate, Fort Monmouth, NJ 07703–5601
Y. Li
Affiliation:
Structured Materials Industries, Inc., Piscataway, NJ 08854
E. W. Forsythe
Affiliation:
Structured Materials Industries, Inc., Piscataway, NJ 08854
G. S. Tompa
Affiliation:
Structured Materials Industries, Inc., Piscataway, NJ 08854
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Abstract

Zn2SiO4:Mn thin films were deposited and studied as thin film phosphors for flat panel cathodoluminescent displays. Crystallized films with improved electrical conductivity were obtained after conventional and rapid thermal annealings in a N2 environment at 850Xy11100 °C for 0.25 to 60 minutes. A maximum cathodoluminescent efficiency of 1.3 Lm/W was achieved under dc excitation at 1500 volts. The luminescent emission from these thin films was peaked around 525 nm. The decay time of these films was controlled in the range of 2 to 10 ms by varying the deposition and annealing parameters. The fast response time of these thin films overcomes the long decay limitation of the Zn2SiO4:Mn powder phosphor in practical display applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 471: Symposium G – Flat Panel Display Materials III , 1997 , 305
Copyright
Copyright © Materials Research Society 1997

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References

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