| 摘要 |
A color wheel includes a motor having a rotary shaft, and a filter set sleeved on the rotary shaft. The filter set including a filter plate having a central axis and upper and lower surfaces, and a first and a second packing disposed concentrically and respectively on the upper and lower surfaces of the filter plate. The first packing has a first notch formed therein. The second packing has a second notch formed in an upper surface thereof. An adhering unit is provided in the first and second notches to fix respectively the first and second packing to the upper and lower surfaces of the filter plate.
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