Low power illumination device

Details Low power illumination device Low power illumination device

1995-08-21

1997-03-04

Lazarus, Ira S.

Illumination

Light source or light source support and luminescent material

362 30, 362276, 362293, 362802, 40542, F21V 916

Patent

active

056072228

ABSTRACT:
A low power consumption illumination device includes a housing, with a display forming at least one surface of the housing. The display bears at least one inscription formed of a non-radioactive luminescent coating. An activation device for the phosphor-containing luminescent coating includes a battery or storage capacitor powered light which is programmed to emit a flash of light on appropriate intervals for periodic reactivation of the phosphors. The light is preferably in the UV frequency range. The display it thus enabled to emit light over a prolonged period of time.

REFERENCES:
patent: 2455951 (1948-12-01), Roper et al.
patent: 3828611 (1974-08-01), Shamlian et al.
patent: 4213115 (1980-07-01), Wetzel
patent: 4991537 (1991-02-01), Muramatsu
patent: 5253150 (1993-10-01), Vanni

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