OPTICAL ZOOM ASSEMBLY FOR A NON-IMAGING ILLUMINATION APPLICATION AND LUMINAIRE USING SAME

OPTICAL ZOOM ASSEMBLY FOR A NON-IMAGING ILLUMINATION APPLICATION AND LUMINAIRE USING SAME

An optical zoom assembly (16) for a non- imaging illumination application and luminaire (10) using the same are disclosed. In one embodiment, a light emitting diode chip (40) provides light to an optical conductor (46 ) having a plurality of transmission paths that enable the mixing of the light. A...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ADAMS, JOHN ANDRE, STEELE, RICHARD KENNETH
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
HEATING
LIGHTING
MECHANICAL ENGINEERING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
WEAPONS
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Beschreibung
Zusammenfassung:An optical zoom assembly (16) for a non- imaging illumination application and luminaire (10) using the same are disclosed. In one embodiment, a light emitting diode chip (40) provides light to an optical conductor (46 ) having a plurality of transmission paths that enable the mixing of the light. A collector lens (48) is disposed serially and coaxially with the optical conductor to the mixed light received from the optical conductor. A zoom subassembly (50), including one or more optical lenses located serially and coaxially with the central optical axis, is movable coaxially with respect to the collector lens to create a beam of light having a divergence profile controlled by a variable spacing between the one or more optical lenses and the collector lens.