Coating processes – Electrical product produced – Fluorescent or phosphorescent base coating
Patent
1994-08-30
1996-03-05
Utech, Benjamin
Coating processes
Electrical product produced
Fluorescent or phosphorescent base coating
427 67, 4271261, 427157, 4272552, B05D 506
Patent
active
054965829
ABSTRACT:
A process for producing an electroluminescent device comprising a luminescent layer located between two electrodes formed on an insulating substrate wherein the luminescent layer is composed of a host material to which a luminescent center element is added and the host material is composed of an alkaline earth metal element of the Group II of the Periodic Table and an element of the Group VI, which process comprises forming the host material by chemical vapor deposition to react a gas of an organic compound containing the alkaline earth metal element of the Group II and a gas of a compound containing the element of the Group VI in a reactor, the gas of the organic compound containing the alkaline earth metal element of the Group II being formed from a cyclopentadienyl compound. By this process, EL devices can be produced with high reproducibility.
REFERENCES:
patent: 4981712 (1991-01-01), Yamamoto et al.
patent: 5312983 (1994-05-01), Brown et al.
P. Soininen et al., "Blue Electroluminescence of SrS:Ce, SiCl, Thin Films Grown by Atomic Layer Epitaxy," The International Display Research Conference Proceedings, Aug. 31-Sep. 3, 1993, pp. 511-514.
K. Hirabayashi et al., "ZnS:Mn Electroluminescent Device Prepared by Metal-Organic Chemical Vapor Deposition," Jap. Journ. Appl. Phys. May 1986 pp. 711-713.
Kaliski et al., J. Appl. Phys 62(3), 1 Aug. 1987 pp. 998-1005.
Hattori Tadashi
Ito Nobuei
Katayama Masayuki
Mizutani Atsushi
Nippondenso Co. Ltd.
Utech Benjamin
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