| 摘要 |
<p>A dustproof structure of an image generation device comprises LCDs (47, 48, 49) corresponding to respective red, green, and blue; an air duct for red, an air duct for green, and an air duct for blue provided so as to allow blowing of cooling air to the respective LCDs (47, 48, 49); air filters (43, 50) arranged respectively at the air duct for red, the air duct for green, and the air duct for blue; and air filters (41, 42) which are arranged at least one of the air duct for green or the air duct for blue and are smaller in mesh size than the air filters (43, 50).</p> |
