Incandescent lamps with neodymium oxide vitreous coatings

Details Incandescent lamps with neodymium oxide vitreous coatings Incandescent lamps with neodymium oxide vitreous coatings

1981-12-28

1984-04-03

Moore, David K.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313116, H01J 516, H01J 6140, H01K 126, H01K 130

Patent

active

044410468

ABSTRACT:
A silica powder mixture containing a glass frit having neodymium oxide dispersed therein is disclosed for electrostatic deposition to provide diffuse light from an incandescent lamp which improves the aesthetic appearance of objects illuminated by the lamp emission. Specifically, said coating selectively absorbs green and yellow color radiation being given off by the incandescent lamp filament rendering objects illuminated by the remaining light to appear more pink in color.

REFERENCES:
patent: 4081709 (1978-03-01), Collins et al.
patent: 4099080 (1978-07-01), Dawson et al.
patent: 4315186 (1982-02-01), Hirano et al.
patent: 4395653 (1983-07-01), Graff

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