LIGHTING UNIT

An LED lighting assembly (1) is provided comprising a cassette (2), a lens, a printed circuit board (6) having at least one light source mounted thereon wherein the lighting assembly comprises a collimator (12) provided between the LED light source and the lens, the collimator (12) comprising an opt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Crute, Adrian, Trundle, Robert, O'Kell, Sean
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MECHANICAL ENGINEERING NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	An LED lighting assembly (1) is provided comprising a cassette (2), a lens, a printed circuit board (6) having at least one light source mounted thereon wherein the lighting assembly comprises a collimator (12) provided between the LED light source and the lens, the collimator (12) comprising an optical cavity in the form of a linear mixing chamber and wherein the or each wall (14) of the mixing chamber comprises a reflective surface. A diffuse reflector film may be provided. The lens may comprise a lens assembly (40) which may be a focusing lens assembly. In some embodiments an LED lighting assembly is provided comprising a cassette (2), a lens, a printed circuit board (6) having at least one LED light source mounted thereon wherein the lighting assembly comprises a light output from the or each LED light source and wherein the light output is arranged to pass through a bevelled aperture (32).