Patent ID: 7742249
Filing Date: 2010-06-22
Classification: G02B

Abstract:
1. A color wheel, comprising: a fixing base, having a protrusion portion and a supporting portion; a ring filter, fit on the protrusion portion, an inner margin of the ring filter leaning on the supporting portion; a washer, connected to the protrusion portion, the ring filter being disposed between the washer and the supporting portion, and the washer and the supporting portion being capable of clipping the inner margin of the ring filter, wherein a top of the protrusion portion has at least two hooks, the washer has a center hole fit on the protrusion portion, the hooks are pressed on the washer, a notch is between the hooks, and the notch is suitable for accommodating the deformed hooks; and a fixing ring, having an annular supporting portion, a side wall surrounding the annular supporting portion, and a plurality of fixing blocks connected to the side wall, the fixing blocks being dotted on an outer margin of the ring filter, the outer margin of the ring filter leaning on the annular supporting portion, and the fixing blocks, the side wall, and the annular supporting portion being capable of clipping the outer margin of the ring filter.