Phosphor and ultraviolet ray excited fluorescent tube employing

Details Phosphor and ultraviolet ray excited fluorescent tube employing Phosphor and ultraviolet ray excited fluorescent tube employing

1992-06-15

1993-07-27

Cooper, Jack

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

2523014H, 2523014R, 313486, C09K 1163, H01J 163

Patent

active

052313280

ABSTRACT:
A bivalent europium-activated alkaline earth haloborate phosphor which contains lithium as coactivator, a process for its production, and an ultraviolet ray excited fluorescent tube such as a fluorescent lamp having a fluorescent layer containing such a phosphor as the blue-emitting component.

REFERENCES:
patent: 4110660 (1978-08-01), Wolfe
patent: 4128498 (1978-12-01), Hase et al.
Chemical Abstracts, vol. 90, No. 22, 28th May 1979, p. 716, No. 179038b, Columbus, OH, US; & JP-A-78 147 689 (Dainippon Toryo Co., Ltd) 22-12-1978 & 179037a.
Peters et al "J. Inorg. Nucl. Chem.", 1970, vol. 32, pp. 1089-1095.

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