Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1991-04-18
1992-08-04
DeMeo, Palmer C.
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313488, H01J 6144
Patent
active
051362066
ABSTRACT:
Low-pressure mercury vapor discharge lamp with an emission spectrum according to a spectral energy distribution comprising the wavelength ranges 380-490 nm, 490-590 nm, and 590-700 nm, within which wavelength ranges mutually equal or substantially equal quantities of energy are emitted with a tolerance of 25% for the mutual ratios of equal energy of 1:1:1.
REFERENCES:
patent: 4246905 (1981-01-01), Corth
patent: 4251750 (1981-02-01), Gallien et al.
patent: 4882520 (1989-11-01), Tsunekawa et al.
patent: 4940918 (1990-07-01), Rutfield
Lamboo Theodorus F.
Roelevink Bauke J.
van Heel Martinus J. M.
DeMeo Palmer C.
Rhyne Lesley
U.S. Philips Corporation
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