| 摘要 |
Exemplary embodiments provide a projector by which quality of projection images are ensured even when the attitude of the projector changes. A projector includes a light source, a liquid crystal panel as an optical conversion unit to convert the exiting light from the light source, and a cooling device to cool the liquid crystal panel using a cooling medium. The cooling device includes a circulation pipe for the cooling medium, a circulation pump to circulate the cooling medium, a detection switch, as a detecting unit to detect that the circulating direction of the cooling medium in the liquid crystal panel to be cooled is the attitude for circulating from top to bottom, and a switching unit to switch the circulating direction of the cooling medium to cool the liquid crystal panel so that the circulating direction of the cooling medium may be from bottom to top based on the detection result by the detection switch.
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