CPC F21V 14/06 (2013.01) [F21K 9/61 (2016.08); F21V 23/003 (2013.01); F21Y 2115/10 (2016.08)] | 20 Claims |
1. An illumination system, comprising:
a light guide having a first surface and a second surface opposite the first surface;
a light-emitting diode (LED) array configured to direct first light into the light guide through the first surface of the light guide;
focusing optics configured to collimate the first light to emerge from the light guide through the second surface of the light guide as collimated projected light; and
an LED spaced apart from the LED array and configured to direct second light into the light guide as guided light that is guided between the first surface and the second surface.
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