| 摘要 |
A projection display device includes an imager; a cooling portion which supplies an air drawn in from an outside of the projection display device to the imager through an air outlet; an air exhaust portion which discharges an air that has passed the imager to the outside of the projection display device; and a circuit board which is disposed at a position opposite to the air outlet with respect to the imager. In this arrangement, the circuit board is disposed at such a position that the circuit board is not overlapped above the imager, when viewed from an aligning direction of the air outlet and the imager.
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