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    • 2. 发明授权
    • Light source apparatus, lighting apparatus and projection display apparatus
    • 光源装置,照明装置和投影显示装置
    • US07736028B2
    • 2010-06-15
    • US10547453
    • 2004-07-14
    • Yusaku Shimaoka
    • Yusaku Shimaoka
    • F21V7/00
    • F21V7/0025G03B21/2026G03B21/2066G03B21/208
    • A light source apparatus comprising a lamp having a light emitting portion of generating light, a first concave mirror having a first opening provided on a light-using side on which the generated light is used and a second opening provided on an opposite side to the light-using side and having the light emitting portion of the lamp placed inside, and a second concave mirror having a predetermined size to reflect on the light emitting portion side of the lamp the light which comes or should come out of the second opening and placed at a predetermined position in relation to a position at which the second opening is provided, and wherein the size of the second opening is provided so that an amount of the used light becomes substantially maximum.
    • 一种光源装置,包括具有产生发光的发光部分的灯,具有第一开口的第一凹面镜,所述第一开口设置在使用所述发光的光使用侧,以及设置在所述光的相对侧上的第二开口 并且具有放置在内部的灯的发光部分的第二凹面镜和具有预定尺寸的第二凹面镜,以在灯的发光部分侧反射来自或应该从第二开口出来的光并放置在 相对于设置有第二开口的位置的预定位置,并且其中设置第二开口的尺寸使得所使用的光的量变得基本上达到最大值。
    • 3. 发明申请
    • ILLUMINATOR AND PROJECTION DISPLAY EMPLOYING IT
    • 照明器和投影显示器使用它
    • US20090033876A1
    • 2009-02-05
    • US11912590
    • 2006-07-25
    • Yusaku ShimaokaAtsushi Hatakeyama
    • Yusaku ShimaokaAtsushi Hatakeyama
    • G03B21/14G02B27/10
    • G03B21/2033G03B33/06H04N9/3111H04N9/3164
    • An illuminator includes a color composition prism (24) consisting of first to third prisms (21-23), a red light emitting diode (1), a blue light emitting diode (2) and a green light emitting diode (3) emitting three light beams having different spectrum intervals, a first optical thin film (31) formed on the surface of the first prism (21) opposing the second prism (22) and having a cutoff wavelength between red and green, and a second optical thin film (32) formed on the surface of the second prism (22) opposing the third prism (23) and having a cutoff wavelength between blue and green. Consequently, it is possible to provide an illuminator that can conduct a color composition in which an optical loss at the time of color composition and a color unevenness occurring on the optical thin film due to the incident angle dependency are decreased even for natural light not under a polarization control.
    • 照明器包括由第一至第三棱镜(21-23),红色发光二极管(1),蓝色发光二极管(2)和绿色发光二极管(3)组成的彩色合成棱镜(24) 具有不同光谱间隔的光束,形成在与第二棱镜(22)相对的第一棱镜(21)的表面上并且具有红色和绿色之间的截止波长的第一光学薄膜(31)和第二光学薄膜 32),形成在与第三棱镜(23)相对的第二棱镜(22)的表面上,并具有蓝色和绿色之间的截止波长。 因此,可以提供一种可以进行颜色组合的照明器,其中即使对于不在下面的自然光也会导致由于入射角依赖性而在光学薄膜上产生的光学损失和光学薄膜上出现的颜色不均匀的颜色组合 极化控制。
    • 5. 发明授权
    • Light source apparatus, lighting apparatus and projection display apparatus
    • 光源装置,照明装置和投影显示装置
    • US07213944B2
    • 2007-05-08
    • US10553489
    • 2004-04-15
    • Yusaku ShimaokaShu NambaKazunori Tanabe
    • Yusaku ShimaokaShu NambaKazunori Tanabe
    • F21V7/00
    • F21V7/0025F21V7/09G03B21/2013G03B21/2026
    • A light source apparatus includes a lamp, an ellipsoidal mirror collecting a part of light radiated from a light transmission plane of the lamp, and a spherical mirror collecting another part of the light radiated from a light transmission plane not collected by the ellipsoidal mirror and reflecting it on the ellipsoidal mirror, in which a reflection plane of the ellipsoidal mirror and the reflection plane of the spherical mirror are in a form of non-rotation symmetry to an optical axis connecting a focal position F1 corresponding to a source of luminescence of the lamp to a focal position F2 of the light collected by the ellipsoidal mirror respectively. The distance between the reflection plane of the spherical mirror and the source of luminescence of the lamp is shorter than the distance between the source of luminescence and the focus of the light collected by the ellipsoidal mirror, and a part of the reflection plane of the ellipsoidal mirror is formed around the optical axis.
    • 光源装置包括:灯,收集从灯的透光平面辐射的光的一部分的椭圆体镜;以及球面镜,其收集从未由椭圆面镜收集的光透射面辐射的光的一部分,并反射 椭球镜的反射面和球面反射镜的反射面相对于连接对应于发光源的焦点位置F 1的光轴呈不旋转对称的形式, 灯分别由椭球镜收集的光的焦点位置F 2。 球面镜的反射面与灯的发光源之间的距离短于发光源与由椭圆面镜所收集的光的焦点之间的距离,椭圆体的反射面的一部分 反射镜围绕光轴形成。
    • 6. 发明申请
    • LIGHTING APPARATUS
    • 照明设备
    • US20050024602A1
    • 2005-02-03
    • US10497300
    • 2003-10-06
    • Yusaku ShimaokaKazunori HorikawaHideki Ishinaga
    • Yusaku ShimaokaKazunori HorikawaHideki Ishinaga
    • G02B27/14H04N5/74G03B21/26
    • G02B27/106G02B27/108G02B27/143H04N5/7416H04N9/3147H04N9/315
    • In recent years, much attention has been paid to a projection type display apparatus using a plurality of light sources, as projection type video equipment capable of large screen display. However, in an optical system using a plurality of light sources, devices are designed so that uniform lighting can be provided assuming only the use of all the light sources. Thus, the uniformity of brightness within a display screen may be degraded if not all of the plurality of light sources are used. A light apparatus includes a plurality of lamp unit sections, a synthetic mirror section that reflects and synthesizes lights generated by all or some of the plurality of lamp unit sections and, and a synthetic mirror section adjusting mechanism that holds the synthetic mirror section so that its position can be changed so as to adjust the reflecting optical paths of the reflected lights.
    • 近年来,对使用多个光源的投影型显示装置,作为能够进行大屏幕显示的投射型视频设备,已经给予了极大的关注。 然而,在使用多个光源的光学系统中,设计设备,使得仅在使用所有光源的情况下可以提供均匀的照明。 因此,如果不是全部使用多个光源,则显示屏内的亮度的均匀性可能会降低。 光装置包括多个灯单元部分,反射和合成由多个灯单元部分中的全部或部分产生的光的合成镜部分,以及保持合成镜部分的合成镜部分调节机构, 可以改变位置,以便调节反射光的反射光路。
    • 8. 发明申请
    • Light source unit, illuminator and projection display
    • 光源单元,照明器和投影显示
    • US20060203497A1
    • 2006-09-14
    • US10553489
    • 2004-04-15
    • Yusaku ShimaokaShu NambaKazunori Tanabe
    • Yusaku ShimaokaShu NambaKazunori Tanabe
    • F21V7/00
    • F21V7/0025F21V7/09G03B21/2013G03B21/2026
    • A light source apparatus includes a lamp, an ellipsoidal mirror collecting a part of light radiated from a light transmission plane of the lamp, and a spherical mirror collecting another part of the light radiated from a light transmission plane not collected by the ellipsoidal mirror and reflecting it on the ellipsoidal mirror, in which a reflection plane of the ellipsoidal mirror and the reflection plane of the spherical mirror are in a form of non-rotation symmetry to an optical axis connecting a focal position F1 corresponding to a source of luminescence of the lamp to a focal position F2 of the light collected by the ellipsoidal mirror respectively. The distance between the reflection plane of the spherical mirror and the source of luminescence of the lamp is shorter than the distance between the source of luminescence and the focus of the light collected by the ellipsoidal mirror, and a part of the reflection plane of the ellipsoidal mirror is formed around the optical axis.
    • 光源装置包括:灯,收集从灯的透光平面辐射的光的一部分的椭圆体镜;以及球面镜,其收集从未由椭圆面镜收集的光透射面辐射的光的一部分,并反射 椭球镜的反射面和球面反射镜的反射面相对于连接对应于发光源的焦点位置F 1的光轴呈不旋转对称的形式, 灯分别由椭球镜收集的光的焦点位置F 2。 球面镜的反射面与灯的发光源之间的距离短于发光源与由椭圆面镜所收集的光的焦点之间的距离,椭圆体的反射面的一部分 反射镜围绕光轴形成。
    • 9. 发明申请
    • PROJECTION TYPE IMAGE DISPLAY DEVICE
    • 投影类型图像显示设备
    • US20090066920A1
    • 2009-03-12
    • US11912234
    • 2006-07-27
    • Shigekazu YamagishiYusaku ShimaokaYoshimasa FushimiMitsuhiro Wada
    • Shigekazu YamagishiYusaku ShimaokaYoshimasa FushimiMitsuhiro Wada
    • G03B21/28
    • G03B21/2013G03B21/2066H04N9/315
    • A projection type image display device includes a reflector 5 having an ellipsoidal reflection surface 4 as an inner surface thereof, a light source 35 in which at least a light emitting portion 1 is substantially planar, a light distribution thereof is within ±90° with respect to a normal line perpendicular to the plane, and the light emitting portion 1 is located optically at a first focus 3 of the spheroid forming the ellipsoidal reflection surface 4 of the reflector 5, a rod integrator 8 having an entrance opening portion in which a second focus 7 of the spheroid forming the ellipsoidal reflection surface 4 of the reflector 5 is located at the entrance opening portion thereof, a light modulator 11 capable of modulating an output of transmission light in accordance with an external signal, a relay optical system 10 for transferring an image of an exit opening portion of the rod integrator 8 onto the light modulator 11, and a projection lens 15 for enlarging and projecting the image on the light modulator 11 onto a screen. Thereby, the light uptake rate to the image display apparatus of the light source having a flat light emitting surface and for emitting light in one direction of the surface can be improved so as to maximize the brightness.
    • 投影型图像显示装置包括具有作为其内表面的椭圆面反射表面4的反射器5,至少发光部分1基本上为平面的光源35,其光分布在±90度内,相对于 并且发光部分1光学地位于形成反射器5的椭圆面反射表面4的球体的第一焦点3处,具有入口开口部分的杆积分器8,其中第二 形成反射器5的椭圆面反射面4的球体的焦点7位于其入口开口部分,能够根据外部信号调制透射光的输出的光调制器11,用于传送的中继光学系统10 棒状积分器8的出口开口部分到光调制器11上的图像,以及用于放大和投影图像的投影透镜15 e在光调制器11上。 由此,能够提高具有平坦的发光面的光源的图像显示装置的光吸收率,并且能够提高表面的一个方向的光的发光度,从而使亮度最大化。