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    • 2. 发明授权
    • Display device
    • 显示设备
    • US09022574B2
    • 2015-05-05
    • US13496478
    • 2009-09-18
    • Yoshifumi NishimuraTakayuki Okada
    • Yoshifumi NishimuraTakayuki Okada
    • G03B21/16G03B21/22
    • G03B21/16G03B21/22
    • Provided is a projection type display device that has dust-proof and coolable optical components. According to an aspect of the present invention, the display device includes a case, a dust-proof structure that has a plurality of walls surrounding a plurality of optical components to prevent dust, and which is located in the case, and suction ports (7b and 7b′) formed in the case and configured to suck cooling air along one wall of the dust-proof structure to cool the optical components. The suction ports are separated into first suction port (7b) and second suction port (7b′) with a position of one wall set as a reference. First suction port (7b) is located to blow the cooling air to the dust-proof structure, while second suction port (7b′) is located to prevent direct blowing of the cooling air to the dust-proof structure. An area of first suction port (7b) is smaller than that of second suction port (7b′).
    • 提供具有防尘和可冷却光学部件的投影型显示装置。 根据本发明的一个方面,显示装置包括壳体,防尘结构,其具有围绕多个光学部件的多个壁以防止灰尘并位于壳体中,并且吸入口(7b) 和7b'),其构造成用于沿着防尘结构的一个壁吸入冷却空气以冷却光学部件。 吸入口被分离成具有一个壁的位置作为基准的第一吸入口(7b)和第二吸入口(7b')。 第一吸入口(7b)被定位成将冷却空气吹到防尘结构体上,同时定位第二吸入口(7b'),以防止将冷却空气直接吹到防尘结构体上。 第一吸入口(7b)的面积小于第二吸入口(7b')的面积。
    • 4. 发明授权
    • Lamp unit and projection display apparatus
    • 灯具单元和投影显示设备
    • US07540633B2
    • 2009-06-02
    • US11391269
    • 2006-03-29
    • Yoshifumi NishimuraHiroaki Takamatsu
    • Yoshifumi NishimuraHiroaki Takamatsu
    • F21V29/00
    • F21V29/83G03B21/16
    • In lamp unit 10 having light source lamp 1, reflector 2 for reflecting light from light source lamp 1, reflector holding member 11, and reflector cover 15, a plurality of cooling holes 18a are formed in a region of reflector holding member 11 provided with lamp unit positioner 16a. Cooling holes 18a are open toward an upper bulb area, a lower bulb area, and a cathode of the light source lamp, respectively. Stud 22a for fixing reflector holding member 11 has a throughhole extending at the center thereof, so that cooling air fed from high static pressure blower 27 can be sent to cooling holes 18 through tube 28 and the throughhole of stud 22a, thus efficiently cooling the upper bulb area, lower bulb area, and cathode of light source lamp 1 in a concentrative manner with a small amount of air. Thus, the resulting lamp unit, provided by the present invention, can reduce the amount of air required for cooling the lamp, and can use a high static pressure and small fan.
    • 在具有光源灯1的灯单元10中,用于反射来自光源灯1的光的反射器2,反射器保持部件11和反射器盖15,在设置有灯的反射器保持部件11的区域中形成有多个冷却孔18a 单元定位器16a。 冷却孔18a分别朝向光源灯的上灯泡区域,下灯泡区域和阴极开放。 用于固定反射器保持构件11的螺柱22a具有在其中心延伸的通孔,使得可以通过管28和螺柱22a的通孔将从高静压鼓风机27供给的冷却空气送到冷却孔18,从而有效地冷却上部 灯泡面积,下灯泡面积,以及光源灯1的阴极以少量的空气集中。 因此,由本发明提供的所得灯单元可以减少冷却灯所需的空气量,并且可以使用高静压和小风扇。
    • 6. 发明授权
    • Projection type display device
    • 投影式显示装置
    • US08678597B2
    • 2014-03-25
    • US13138727
    • 2009-03-30
    • Yoshifumi NishimuraTakayuki Okada
    • Yoshifumi NishimuraTakayuki Okada
    • G03B21/14
    • G03B21/16
    • It is possible to reliably prevent dust particles from becoming attached to optical components and it is also possible to suppress temperature rises in optical components. A projection type display device according to the present invention includes a plurality of optical components (20, 21, 24, 30, and so on), a hollow structure (45, 50, or the like), and an air blow source (19, 46, or the like). The plurality of optical components are provided along the optical axis direction of light emitted from a light source. The hollow structure includes optical components (20, 24) that are to be protected from the attachment of dust particles to optical components among the plurality of optical components, and forms an enclosed space separated from the surroundings. Then, the source that blows air is provided in the inside of the enclosed space to circulate the internal air for cooling targets.
    • 可以可靠地防止灰尘颗粒附着到光学部件上,并且还可以抑制光学部件的温度上升。 根据本发明的投影型显示装置包括多个光学部件(20,21,24,30等),中空结构(45,50等)和吹气源(19) ,46等)。 多个光学部件沿着从光源发射的光的光轴方向设置。 中空结构包括防止灰尘颗粒附着到多个光学部件中的光学部件的光学部件(20,24),并且形成与周围隔开的封闭空间。 然后,在封闭空间的内部设置吹送空气的源,以使冷却目标物的内部空气循环。
    • 10. 发明申请
    • PROJECTION TYPE DISPLAY DEVICE
    • 投影型显示设备
    • US20120013854A1
    • 2012-01-19
    • US13138727
    • 2009-03-30
    • Yoshifumi NishimuraTakayuki Okada
    • Yoshifumi NishimuraTakayuki Okada
    • G03B21/16
    • G03B21/16
    • It is possible to reliably prevent dust particles from becoming attached to optical components and it is also possible to suppress temperature rises in optical components. A projection type display device according to the present invention includes a plurality of optical components (20, 21, 24, 30, and so on), a hollow structure (45, 50, or the like), and an air blow source (19, 46, or the like). The plurality of optical components are provided along the optical axis direction of light emitted from a light source. The hollow structure includes optical components (20, 24) that are to be protected from the attachment of dust particles to optical components among the plurality of optical components, and forms an enclosed space separated from the surroundings. Then, the source that blows air is provided in the inside of the enclosed space to circulate the internal air for cooling targets.
    • 可以可靠地防止灰尘颗粒附着到光学部件上,并且还可以抑制光学部件的温度上升。 根据本发明的投影型显示装置包括多个光学部件(20,21,24,30等),中空结构(45,50等)和吹气源(19) ,46等)。 多个光学部件沿着从光源发射的光的光轴方向设置。 中空结构包括防止灰尘颗粒附着到多个光学部件中的光学部件的光学部件(20,24),并且形成与周围隔开的封闭空间。 然后,在封闭空间的内部设置吹送空气的源,以使冷却目标物的内部空气循环。