| 摘要 |
The present invention provides a projector comprising a vent device disposed in an opening of the case through which heat flow generated from the light device is transmitted out of the projector. The vent structure comprises a first vent structure and a second vent structure. The first vent structure and the second vent comprise a plurality first vanes and a plurality of second vanes respectively. The first vanes are extending horizontally and are spaced out a predetermined distance apart respectively. The second vanes are extending obliquely and are spaced out predetermined distance apart respectively. The first vent structure is disposed close to the exterior of the projector, and the second vent structure is disposed close to the interior of the projector.
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