Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1988-03-02
1989-02-21
Moore, David K.
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313487, 2523016P, H01J 6304
Patent
active
048068241
ABSTRACT:
A fluorescent lamp utilizing a dual layer phosphor coating is disclosed and with the base layer employing a calcium halophosphate phosphor which has been modified to provide efficient lumen output at a substantially reduced coating weight. The top phosphor layer in said coating comprises a blend of narrow bandwith emitting phosphors at various coating weights primarily to improve the color rendering capability of these lamps.
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Gillooly George R.
Hoffman Mary V.
Paynter John
Soules Thomas F.
Corcoran Edward M.
Corwin Stanley C.
General Electric Company
Horabik Michael
McDevitt J. F.
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