Aluminate phosphor

Details Aluminate phosphor Aluminate phosphor

1995-08-16

1997-03-18

Bonner, Melissa

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

2523016R, C09K 1164

Patent

active

056119593

ABSTRACT:
An aluminate phosphor comprising (a) at least one element selected from the group consisting of Ba, Sr and Ca, (b) Eu, (c) Mg and/or Zn, (d) optionally Mn and (e) Al, said aluminate phosphor comprising a crystalline inorganic compound which shows, in its powder X-ray diffraction pattern upon incidence of X-rays of CuK.alpha..sub.1, no peak at Miller index 008 independent of a diffraction peak at Miller index 110.

REFERENCES:
patent: 4161457 (1979-07-01), Takahashi et al.
patent: 4216408 (1980-08-01), Verstegen et al.
patent: 4382207 (1983-05-01), Verstegen et al.
patent: 4441049 (1984-04-01), Verstegen et al.
patent: 4837481 (1989-06-01), Verstegen et al.
patent: 4847533 (1989-07-01), Hoffman
patent: 5424006 (1995-06-01), Murayama et al.
J. Electrochem. Soc.: Solid-State Science and Technology, vol. 121, No. 12, Dec. 1974, pp. 1627-1631, J.M.P.J. Verstegen, et al., "A New Generation of Deluxe Fluorescent Lamps, Combining an Efficacy of 80 Lumens/W or More with a Color Rendering Index of Approximately 85".
Z. Phys. Chemie, Leipzig, vol. 271, No. 6, 1990, pp. 1181-1190, Von G. Kuenzler, et al., "Zur Abhaengigkeit Der UV-Stabilitaet Von Aluminatleuchstoffen Von Der Aktivatorkonzentration".
Proceedings for the 180 meeting of Keikotai Dogakukai, 1980, pp. 19-25.

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