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    • 6. 发明申请
    • COOLING UNIT, COOLING APPARATUS, AND PROJECTION DISPLAY APPARATUS
    • 冷却装置,冷却装置和投影显示装置
    • US20120133907A1
    • 2012-05-31
    • US13307837
    • 2011-11-30
    • Sosuke OtaniMakoto MaedaShinya MatsumotoYusuke ItoMasafumi Tanaka
    • Sosuke OtaniMakoto MaedaShinya MatsumotoYusuke ItoMasafumi Tanaka
    • G03B21/16F28D15/00
    • G03B21/16
    • 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.
    • 一种投影显示装置,包括:容纳照明光学单元的壳体构件; 投影光学单元; 以及冷却单元,其中所述壳体构件包括具有垂直于所述投影光学单元的横截面视图中具有作为所述投影光学单元的外接圆的底部的虚拟柱状形状的布局空间; 布局空间包括大致圆锥形的第一布局空间和除第一布局空间之外的第二布局空间; 投影光学单元设置在第一布局空间中; 并且所述照明光学单元和所述冷却单元的至少一部分设置在所述第二布局空间中; 并且照明光学单元和冷却单元相对于投影光学单元设置成对称的位置关系。