EP 0029199 A1 19810527 - Coloured lights, for example for luminous advertising, outdoor and indoor lighting.
Title (en)
Coloured lights, for example for luminous advertising, outdoor and indoor lighting.
Title (de)
Farbige Leuchte, z.B. für Leuchtreklame, Aussen- und Innenbeleuchtung.
Title (fr)
Dispositif d'éclairage en couleurs, par exemple pour la publicité lumineuse, l'éclairage extérieur et intérieur.
Publication
Application
Priority
DE 2946191 A 19791115
Abstract (en)
[origin: US4382272A] 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.
Abstract (de)
Erhöhung des Wirkungsgrades und/oder lokale Erhöhung der Lichtintensität farbiger Leuchten durch Verwendung eines Lumineszenzkörpers als Leuchtengehäuse oder Gehäuseteil, dessen Material phosphoreszierende oder fluoreszierende Partikel enthält, so dass diejenigen Bereiche des Lichtwellenspektrums, die kurzwelliger als das Licht der gewünschten Farbe sind, durch Photolumineszens zu längeren Wellenlängen verschoben werden.
IPC 1-7
IPC 8 full level
F21K 2/00 (2006.01); F21V 9/16 (2006.01); G09F 13/20 (2006.01); G09F 13/22 (2006.01); G09F 13/04 (2006.01)
CPC (source: EP US)
F21K 2/00 (2013.01 - EP US); F21V 3/08 (2018.01 - EP US); F21V 3/12 (2018.01 - EP US); F21V 7/30 (2018.01 - EP US); F21V 9/40 (2018.01 - EP US); F21V 13/08 (2013.01 - EP US); G09F 13/0472 (2021.05 - EP); G09F 13/20 (2013.01 - EP US); G09F 13/0472 (2021.05 - US)
Citation (search report)
- GB 1086133 A 19671004 - GEORGE KIRWAN COLLISON HARDEST
- US 2509707 A 19500530 - TAYLOR WALTER P
- US 2654971 A 19531013 - HARRISON GEORGE R
- US 2382355 A 19450814 - WARREN JR RICHARD F
- DE 2223070 A1 19731122 - SELITSCH WOLFGANG
- DE 1930882 A1 19700102 - GRIBLIN FRANK CARL
- CH 320937 A 19570415 - VIERKOETTER PAUL DR [IT]
- ELEKTRONIK, Band 26, Nr. 6, Juni 1977, Seiten 55-56 W. GREUBEL et al.: "Das Fluoreszenz-aktivierte Display "FLAD"" * Seiten 55,56 *
Designated contracting state (EPC)
BE FR GB IT LU NL
DOCDB simple family (publication)
EP 0029199 A1 19810527; DE 2946191 A1 19810521; JP S5687078 A 19810715; US 4382272 A 19830503
DOCDB simple family (application)
EP 80106932 A 19801110; DE 2946191 A 19791115; JP 16007780 A 19801113; US 20155580 A 19801028