| 摘要 |
<P>PROBLEM TO BE SOLVED: To secure ample cooling efficiency of a power source unit and to appropriately cool a lamp unit, without having to increase the number of parts. <P>SOLUTION: The projection-type display device is equipped with the lamp unit 4 having a lamp holder 44 supporting a lamp; a power source cooling fan 6 cooling the power source unit 3; and a duct 8, through which air circulating by the driving of the power source cooling fan 6 is guided and at least a part of the wall part of which is formed by the lamp holder 44. The air, sent by the power source cooling fan 6, is heat-exchanged with the lamp holder 44. <P>COPYRIGHT: (C)2008,JPO&INPIT |
