Patent ID: 7559671
Filing Date: 2009-07-14
Classification: G02B,G03B

Abstract:
1. An illumination system, comprising: a beam splitter, disposed on a first reference plane; a first lamp, disposed on a first side of the first reference plane, and capable of emitting a first beam to the beam splitter; a second lamp, disposed on a second side opposite to the first side of the first reference plane, and capable of emitting a second beam to the beam splitter, wherein a part of the first beam reflected by the beam splitter and a part of the second beam passing through the beam splitter constitute a third beam, and the other part of the first beam passing through the beam splitter and the other part of the second beam reflected by the beam splitter constitute a fourth beam; a first reflector, disposed on the first side of the first reference plane for reflecting the third beam; a second reflector, disposed on the second side of the first reference plane for reflecting the fourth beam; and a light uniforming element, disposed on transmission paths of the third beam reflected by the first reflector, and the fourth beam reflected by the second reflector.