| 摘要 |
Each of a power source unit for a projection type display device, and the projection type display device having the same of the present invention includes a box ( 91 ) for accommodating therein a substrate ( 92 ) having heating elements ( 92 b) mounted thereto, a fan ( 94 ) for a lamp power source which causes air to flow into the box ( 91 ), a partitioning portion ( 95 b) for partitioning the inside of the box ( 91 ), and discharge holes ( 95 d) which are formed in the partitioning portion ( 95 b) and through which the air is blown to the heating elements ( 92 b).
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