Osram Gmbh

Haiqiang Zhong

SiXiong Zeng

WeiHuang Chen

Ai Ma

Al Ma

A zoom unit () of a light engine (), comprising at least one lens (), at least one first reflector () and at least one second reflector (), other at least one lens () receives a collimated beam (LI) from a light source unit () of the light engine (), the collimated beam (LI) being incident on the first reflector () after being converged by the lens (), and being incident on the second reflector () after being reflected by the first reflector (), to produce an output beam (L4) with its beam angle changed.

Zoom unit, a light engine having the zoom unit and an illuminating apparatus

A light source unit of a light engine is disclosed, wherein the light source unit includes a plurality of LED sub light source units each comprising at least one LED and an optical device corresponding to the at least one LED, the optical device is configured to modify a beam from each LED to be an approximately collimated beam.

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Shenzhen, China

Haiqiang Zhong