Luminescent pulsing lamp for providing light pulses at intervals and after-glow following electric current switch off, has glass envelope with inside or outside coating with luminescent color pigments

摘要

The lamp has a glass envelope, coated on the inside or outside with luminescent color pigments, such as alkaline earth aluminate, metal sulfide, or selenide. There is a pulsed interval light supply, which can alternatively produce light induced pigment charged phases, or excitation phases, and non-current afterglow phases, or radiation phases.