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[文献書誌] Y.Hamakawa,R.Fukao and H.Fujikawa:""Tunable Color Electroluminescent Cells"" OptoelectronicsーDevice and Technologies. vol.3. 31-46 (1988)
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[文献書誌] Y.Hamakawa,H.Fujikawa,M.Nakamura,T.Deguchi and R.Fukao: ""Tunable Color Electroluminescence Disply Operated by Pulse Code Moduration"" Electroluminescence(Springer Proceedings in Physics 38). 286-290 (1988)
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[文献書誌] R.Fukao,H.Fujikawa,M.Nakamura,Y.Hamakawa and S.Ibuki: ""High Luminance ZnS:Sm,F Thin Film Electroluminescent Devices Using Ferroelectric PbTiO_3 Thin Film"" Electroluminescence(Springer Proceedings in Physics 38). 164-166 (1988)
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[文献書誌] R.Fukao,H.Fujikawa and Y.Hamakawa: ""Improvement of Luminous Efficiency in ZnS:Tb,F ThinーFilm Electroluminescent Devices Using Ferroelectric PbTiO_3 and Silicon Nitride as Carrier Accelerating Buffer Layers"" Jpn.J.Appl.Phys.vol.12. 2446-2449 (1989)