OPTICAL SYSTEM WITH ADJUSTABLE LIGHT BEAM FOR LED LIGHTING DEVICES
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
May 31, 2013
filing date -
Jun 5, 2012
priority date (Note) -
Abandoned
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Abstract
An optical system with adjustable light beam for LED lighting devices, having a single LED light source (1), composed of a single diode or a group of diodes, a first optical device (2), placed near said LED light source (1), and a second optical device (3), which is placed farther from said LED light source (1) with respect to said first optical device (2); said first optical device (2) is constituted by a complex optical element, within which refractions and reflections of the light rays exiting from said LED light source (1) and sent to said first optical structure (2) occur, so as to obtain a collimated light beam which is sent to a first array (7) of positive lenses that are placed below said first optical device (2).
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