| 摘要 |
A video display device includes: a video processing unit including a light source and optical components, which generates and displaying video signals; and a cooling mechanism unit cooling the light source and the optical components, wherein the cooling mechanism unit includes an air cooling fan generating cooling air for cooling the optical components to be circulated in the device, a heat exchanger arranged in a flow path of the circulating cooling air, performing heat exchange of the cooling air obtained after the cooling of the optical components from a high temperature to a low temperature, a cooler cooling heat generated in the light source and heat generated in the heat exchanger by a cooling liquid, and a circulating thermal regulator circulating the cooling liquid with respect to the cooler while managing a liquid temperature of the cooling liquid so as to be a constant temperature. |
