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Blue And Yellow Light Emitting Phosphors For Thin Film Electroluminescent Displays

  • Paul H. Holloway (a1), J.-E. Yu (a1), Phillip Rack (a1), Joseph Sebastian (a1), Sean Jones (a1), Troy Trottier (a1), K. S. Jones (a1), B. Pathangey (a2), T.J. Anderson (a3), S.-S. Sun (a4), R. Tuenge (a4), E. Dickey (a4) and C.N. King (a4)...

Abstract

Following a description of the purpose and participating members in the Phosphor Technology Center of Excellence, research on the growth and characterization of modulation doped ZnS:Mn and of Ca0.95Sr0.05Ga2S4:6%Ce are reported. ZnS:Mn has been grown using MOCVD and incorporation of Mn in 1 to 5 layers from 5 to 20 nm thick separated by layers of pure ZnS from 5 to 50 nm thick. This is shown to result in lower threshold voltages for ACTFELD displays. The luminescence spectra from sputter deposited, cerium-doped thiogallate thin films were measured and the diffusion of thin ZnS passivation layers versus temperature of heat treatment was discussed.

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References

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1. Tannas, L.E. Jr.,, Flat-Paned Displays and CRTs, (Van Nostrand Reinhold Co. Inc., New York, 1985).
2. Mach, R. and Muller, G.O., phys.stat. sol. (a) 69, 11 (1982).
3. Tanninen, V.P., Oikkonen, M., and Tuomi, T., Thin Solid Films 109, 283 (1983).
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5. Ushakov, V.V. and Gippius, A.A., J. Crystal Growth 101, 458 (1990).
6. Fang, J., Holloway, P.H., Yu, J.-E. and Jones, K., Appl. Surf. Sci. 70/71, 701 (1993).
7. Yu, J.E., Jones, K.S., Holloway, P.H., Pathangey, B., Bretschnieder, E., Anderson, T.J., Sun, S.-S. and King, C.N., J. Elect. Materials 23, 299 (1994).
8. Yu, J.E., Jones, K.S., and Pathangey, B., to be published.
9. Tuenge, R. and Sun, S.-S., J. Electrochem. Soc., in press.
10. Sun, S.-S., Tuenge, R., Kane, J., King, C.N. and Yocom, P.N., U.S. PatentNo. 5 309 070 (3 May 1994).

Blue And Yellow Light Emitting Phosphors For Thin Film Electroluminescent Displays

  • Paul H. Holloway (a1), J.-E. Yu (a1), Phillip Rack (a1), Joseph Sebastian (a1), Sean Jones (a1), Troy Trottier (a1), K. S. Jones (a1), B. Pathangey (a2), T.J. Anderson (a3), S.-S. Sun (a4), R. Tuenge (a4), E. Dickey (a4) and C.N. King (a4)...

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