Colored lamp

Illumination – Light source or light source support and luminescent material

Patent

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Details

362 32, 362217, 362223, 362260, 362318, F21V 916

Patent

active

043822720

ABSTRACT:
A colored lamp is emitting colored light of a given range of wavelengths and particularly useful for interior and exterior lighting, for luminous advertising, for street lighting, for signal lights and for decorations characterized by a source of light and an arrangement for absorbing a light wave spectrum which has a shorter wavelength than the given range and for emitting light with a longer wavelength due to photo-luminescence with the arrangements including at least one body provided with a luminescent substance for absorbing the light and emitting the luminescent light. The body may be formed by a container of liquid, a bundle of optical fibers or a solid member which acts as a light concentrator in such a manner that the incident light is collected and conducted by means of a photo-luminescent scattering and subsequent total reflection at the boundary surfaces of the body, with the luminescent light being emitted in specific output locations.

REFERENCES:
patent: 3157362 (1964-11-01), Waly
patent: 3265877 (1966-08-01), Howell
patent: 3791058 (1974-02-01), Mollica
patent: 4070763 (1978-01-01), Carts
patent: 4142781 (1979-03-01), Baur

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