Patent ID: 9033515
Filing Date: 2015-05-19
Classification: G03B,H01L,H01S,H04N

Abstract:
1. A heat dissipation device of a light engine for a projector, comprising a fan module; a housing comprising a first chamber, a second chamber, a tunnel connected between the first chamber and the second chamber, and a fan-enclosed flow channel on an outer surface of the housing to enclose the fan module; a light engine located in the housing and comprising a light source, a light mixing device, a light guide, a prism set, a digital micromirror device, and a lens module, the light source positioned in the first chamber, the lens module positioned in the second chamber, and the light mixing device, the light guide, the prism set, and the digital micromirror device positioned in the tunnel; and a heat sink connected to the light engine via the housing; wherein the fan-enclosed flow channel guides air flow induced by the fan module to the heat sink.