LENS FOR LED ILLUMINATION

Various embodiments relate to a lens for an illumination device and an illumination device including the lens, wherein the lens has an incident surface and an exiting surface, and the lens is designed in rotation symmetry, wherein, the incident surface includes a central recessed portion which is re...

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Bibliographische Detailangaben
1. Verfasser:	LI, Aiai
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:	Various embodiments relate to a lens for an illumination device and an illumination device including the lens, wherein the lens has an incident surface and an exiting surface, and the lens is designed in rotation symmetry, wherein, the incident surface includes a central recessed portion which is recessed towards the exiting surface and through which the rotation axis of the lens passes and a circumferential protrusion portion which protrudes in a direction away from the exiting surface and encompasses the central recessed portion.