发明名称 |
COOLING UNIT, COOLING APPARATUS, AND PROJECTION DISPLAY APPARATUS |
摘要 |
A projection display apparatus comprising: a housing member that accommodates an illumination optical unit; a projection optical unit; and a cooling unit, wherein the housing member includes a layout space in a virtually columnar shape having a bottom that is a circumscribed circle of the projection optical unit in a cross sectional view vertical to the projection optical unit; the layout space includes a first layout space in a substantially conical shape and a second layout space excluding the first layout space; the projection optical unit is provided in the first layout space; and at least a part of the illumination optical unit and the cooling unit is provided in the second layout space; and the illumination optical unit and the cooling unit are disposed in a symmetrical positional relationship with respect to the projection optical unit. |
申请公布号 |
US2012133907(A1) |
申请公布日期 |
2012.05.31 |
申请号 |
US201113307837 |
申请日期 |
2011.11.30 |
申请人 |
OTANI SOSUKE;MAEDA MAKOTO;MATSUMOTO SHINYA;ITO YUSUKE;TANAKA MASAFUMI;SANYO ELECTRIC CO., LTD. |
发明人 |
OTANI SOSUKE;MAEDA MAKOTO;MATSUMOTO SHINYA;ITO YUSUKE;TANAKA MASAFUMI |
分类号 |
G03B21/16;F28D15/00 |
主分类号 |
G03B21/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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