Patent ID: 8251518
Filing Date: 2012-08-28
Classification: G03B

Abstract:
1. A projector comprising: at least one light source module, each light source module comprising a lamp unit and a heat-dissipating module in close contact with the lamp unit; an optical system, each of the at least one light source module being positioned at one end of the optical system; an imaging unit positioned at the other end of the optical system; and a projection lens positioned at the same end of the optical system with the imaging unit; wherein, each lamp unit comprises a lamp, a holder, and a driving circuit board, the lamp is received in the holder, the driving circuit board is interposed between the holder and a corresponding heat-dissipating module, each lamp unit can be adjusted along a first direction relative to the corresponding heat-dissipating module, each light source module can be adjusted along a second direction relative to the optical system, and the first direction and the second direction both are perpendicular to the light emitting direction of the corresponding lamp unit.