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公开(公告)号：US20080252863A1
公开(公告)日：2008-10-16
申请号：US11984507
申请日：2007-11-19
申请人： Kuniko Kojima , Hayato Takeuchi
发明人： Kuniko Kojima , Hayato Takeuchi
IPC分类号： G03B21/28
CPC分类号： G03B21/28
摘要： An illuminating optical system propagates a coherent light flux from at least one light source into a predetermined optical path to guide the light flux to a screen. A light bulb forms an image to be displayed on the screen on an illumination area illuminated with the light flux that is guided by the illuminating optical system. A projecting optical unit projects the image that is formed on the illumination area onto the screen in a magnifying manner. The illuminating optical system includes a diffusing unit that diffuses the light flux from the light source near a focusing position of the illuminating optical system.
摘要翻译： 照明光学系统将来自至少一个光源的相干光通量传播到预定光路中，以将光通量引导到屏幕。 灯泡在由照明光学系统引导的光束照射的照明区域上形成要在屏幕上显示的图像。 投影光学单元以放大的方式将形成在照明区域上的图像投影到屏幕上。 照明光学系统包括漫射单元，其将来自光源的光束在照明光学系统的聚焦位置附近扩散。
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公开(公告)号：US20130038846A1
公开(公告)日：2013-02-14
申请号：US13641471
申请日：2011-08-18
申请人： Kuniko Kojima , Hayato Takeuchi , Akihiro Yamada
发明人： Kuniko Kojima , Hayato Takeuchi , Akihiro Yamada
IPC分类号： G03B21/14
CPC分类号： G02B27/0994 , G03B21/2053 , G03B21/208 , H04N9/3152
摘要： A projection display device has an illumination optical system that includes a light-intensity equalization element, a first optical system, and an aperture regulation member. The aperture regulation member is disposed at a position that is not optically conjugate with the screen, and the aperture regulation member has at least one of the following, using measured or calculated relative illuminances at each of multiple segments of the image formation region or screen: an aperture expansion part provided at a position corresponding to a segment with a low relative illuminance, the aperture expansion part being a cutout that narrows the light-blocking section and widens the aperture section; an aperture contraction part provided at a position corresponding to a segment with a high relative illuminance, the aperture contraction part being a protrusion that widens the light-blocking section and narrows the aperture section.
摘要翻译： 投影型显示装置具有照明光学系统，该照明光学系统包括光强均衡元件，第一光学系统和光圈调节元件。 孔径调节构件设置在与屏幕不光学共轭的位置处，并且孔径调节构件使用在图像形成区域或屏幕的多个段中的每一个处测量或计算的相对照度中的至少一个： 孔部扩张部，其设置在与相对照度较低的部位对应的位置，所述孔扩展部为使所述遮光部变窄并使所述开口部变宽的切口; 孔部收缩部，设置在与相对照度高的部位相对应的位置处，所述孔收缩部是使所述遮光部变宽并使所述开口部变窄的突起。
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公开(公告)号：US20120033421A1
公开(公告)日：2012-02-09
申请号：US13263627
申请日：2010-04-06
申请人： Kuniko Kojima , Akihiro Yamada , Hiroshi Kida , Hirofumi Matsuo
发明人： Kuniko Kojima , Akihiro Yamada , Hiroshi Kida , Hirofumi Matsuo
IPC分类号： F21V7/00
CPC分类号： G03B21/2046 , G03B21/2013 , G03B21/2066 , H04N9/3164
摘要： The light source device in which a first light source lamp, a second light source lamp and a relay optical system are arranged so that there is no part where an optical axis of a first light flux from the first light source lamp through a relay optical system to an entrance end of a light intensity equalizing element and an optical axis of a second light flux from the second light source lamp to the entrance end agree with each other, and the optical axis of the first light flux immediately before incidence on the entrance end and the optical axis of the second light flux from the second light source lamp to the entrance end are substantially parallel to each other.
摘要翻译： 其中第一光源灯，第二光源灯和中继光学系统被布置成使得不存在来自第一光源灯的第一光束的光轴通过中继光学系统的部分的光源装置 到光强均衡元件的入射端和从第二光源灯到入射端的第二光束的光轴彼此一致，并且紧接入射端之前的第一光束的光轴 并且从第二光源灯到入射端的第二光束的光轴基本上彼此平行。
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公开(公告)号：US07075718B2
公开(公告)日：2006-07-11
申请号：US10501580
申请日：2002-11-26
申请人： Hiroshi Suzuki , Takao Endo , Shinsuke Shikama , Shuso Wadaka , Kohei Teramoto , Kuniko Kojima , Shigekazu Tsuda
发明人： Hiroshi Suzuki , Takao Endo , Shinsuke Shikama , Shuso Wadaka , Kohei Teramoto , Kuniko Kojima , Shigekazu Tsuda
CPC分类号： G03B21/62 , G03B21/10 , G03B21/625
摘要： A transparent screen includes a refraction/total reflection plate in a form of a Fresnel lens, the refraction/total reflection plate having a sawtooth surface upon which light is incident and another surface via which the light exits, and an image formation/display plate for forming a projection image from the light that exits from the refraction/total reflection plate. Refraction slating surface portions each for refracting incident light towards the other surface of the refraction/total reflection plate, transmission slating surface portions each for making incident light pass therethrough, and total reflection slating surface portions each for reflecting incident light passing through one transmission slating surface portion towards the other surface of the refraction/total reflection plate being formed concentrically on the sawtooth surface of the refraction/total reflection plate.
摘要翻译： 透明屏幕包括菲涅耳透镜形式的折射/全反射板，折射/全反射板具有光入射的锯齿表面和光出射的另一表面，以及用于 从从折射/全反射板出射的光形成投影图像。 用于将入射光折射到折射/全反射板的另一个表面的折射板条表面部分，用于使入射光通过的透射板条表面部分和用于反射穿过一个透射板条表面的入射光的全反射板条表面部分 折射/全反射板的另一个表面的部分同心地形成在折射/全反射板的锯齿表面上。
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公开(公告)号：US08714752B2
公开(公告)日：2014-05-06
申请号：US13641471
申请日：2011-08-18
申请人： Kuniko Kojima , Hayato Takeuchi , Akihiro Yamada
发明人： Kuniko Kojima , Hayato Takeuchi , Akihiro Yamada
IPC分类号： G03B21/14
CPC分类号： G02B27/0994 , G03B21/2053 , G03B21/208 , H04N9/3152
摘要： A projection display device has an illumination optical system that includes a light-intensity equalization element, a first optical system, and an aperture regulation member. The aperture regulation member is disposed at a position that is not optically conjugate with the screen, and the aperture regulation member has at least one of the following, using measured or calculated relative illuminances at each of multiple segments of the image formation region or screen: an aperture expansion part provided at a position corresponding to a segment with a low relative illuminance, the aperture expansion part being a cutout that narrows the light-blocking section and widens the aperture section; an aperture contraction part provided at a position corresponding to a segment with a high relative illuminance, the aperture contraction part being a protrusion that widens the light-blocking section and narrows the aperture section.
摘要翻译： 投影型显示装置具有照明光学系统，该照明光学系统包括光强均衡元件，第一光学系统和光圈调节元件。 孔径调节构件设置在与屏幕不光学共轭的位置处，并且孔径调节构件使用在图像形成区域或屏幕的多个段中的每一个处测量或计算的相对照度中的至少一个： 孔部扩张部，其设置在与相对照度较低的部位对应的位置，所述孔扩展部为使所述遮光部变窄并使所述开口部变宽的切口; 孔部收缩部，设置在与相对照度高的部位相对应的位置处，所述孔收缩部是使所述遮光部变宽并使所述开口部变窄的突起。
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公开(公告)号：US20110075108A1
公开(公告)日：2011-03-31
申请号：US12889531
申请日：2010-09-24
申请人： Kuniko Kojima , Jun Kondo , Yuzo Nakano , Tomohiko Sawanaka
发明人： Kuniko Kojima , Jun Kondo , Yuzo Nakano , Tomohiko Sawanaka
IPC分类号： G03B21/20
CPC分类号： G03B21/208 , G03B21/2033 , G03B21/602
摘要： A projection display device that displays an image by projecting the image onto a transmissive screen from the rear thereof includes: an illumination optical system for guiding a light beam emitted from a laser light source to the transmissive screen; a projection optical system for enlarging an image formed on a region to be illuminated of an image display element, and projecting the enlarged image on the transmissive screen, the projection optical system being configured such that the product of the F-number and the projection magnification of the projection optical system is less than 400; wherein the transmissive screen includes a Fresnel lens and a lenticular lens respectively equipped with a light diffusion layer for diffusing incident light and causing resultant light to exit the light diffusion layer. The light diffusion layer of the lenticular lens has a thickness of less than 300 μm.
摘要翻译： 通过将图像从背面投影到透射屏幕上来显示图像的投影显示装置包括：照明光学系统，用于将从激光光源发射的光束引导到透射屏; 投影光学系统，用于放大形成在图像显示元件的被照射区域上的图像，并且将放大图像投影在透射屏幕上，投影光学系统被配置为使得F数和投影倍率 的投影光学系统小于400; 其中透射屏幕包括菲涅尔透镜和双凸透镜，双凸透镜分别配备有用于漫射入射光的光扩散层，并使所得光离开光扩散层。 双凸透镜的光扩散层的厚度小于300μm。
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公开(公告)号：US20110043763A1
公开(公告)日：2011-02-24
申请号：US12746828
申请日：2009-10-21
申请人： Kuniko Kojima , Hiroshi Kida
发明人： Kuniko Kojima , Hiroshi Kida
IPC分类号： G03B21/14
CPC分类号： G03B21/14 , G03B21/2013 , G03B21/2053 , G03B21/2066 , H04N9/3152 , H04N9/3164
摘要： A projection type display apparatus having a long-life light source device with high light utilization efficiency includes first and second light source lamps; a light intensity equalizing element; first and second bending mirrors; an image display element modulating a light flux emitted from the light intensity equalizing element and converting it into image light; and a projection optical system projecting the image light on a screen; and the first light source lamp, the second light source lamp, the first bending mirror and the second bending mirror are arranged so that a first optical axis of the first light source lamp disagrees with a second optical axis of the second light source lamp and a first distance between the first bending mirror and an incidence end differs from a second distance between the second bending mirror and the incidence end.
摘要翻译： 具有高光利用效率的长寿命光源装置的投影型显示装置包括第一和第二光源灯; 光强均衡元件; 第一和第二弯曲镜; 调制从光强均衡元件发射的光束并将其转换为图像光的图像显示元件; 以及将图像光投影在屏幕上的投影光学系统; 并且第一光源灯，第二光源灯，第一弯曲镜和第二弯曲镜布置成使得第一光源灯的第一光轴与第二光源灯的第二光轴不一致，并且 第一弯曲镜与入射端之间的第一距离与第二弯曲镜与入射端之间的第二距离不同。
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公开(公告)号：US07695145B2
公开(公告)日：2010-04-13
申请号：US11632159
申请日：2006-03-30
申请人： Kuniko Kojima , Hiroshi Kida
发明人： Kuniko Kojima , Hiroshi Kida
CPC分类号： H04N9/315 , G02B17/08 , G02B27/0994 , G03B21/142 , G03B21/2066 , H04N5/7416 , H04N9/3114 , H04N9/3141
摘要： A projection-type display apparatus includes an illumination optical system (1) including a light source, a reflection-type light valve (2) having an image forming area on a to-be-illuminated surface illuminated by the illumination optical system (1), and a projection optical system (3) that projects an image formed on the image forming area of the reflection-type light valve (2). The projection optical system (1) is shiftable in a direction approximately perpendicular to a projection optical axis. An F-number of the projection optical system (3) is smaller than an F-number of the illumination optical system (1). Between the projection optical system (3) and the reflection-type light valve (2), an opening defining member (12) that defines an incident side opening of the projection optical system (3) is provided, which is not moved by the shifting of the projection optical system (3).
摘要翻译： 投影型显示装置包括：照明光学系统（1），其包括光源;反射型光阀（2），其具有由所述照明光学系统（1）照射的被照射面上的图像形成区域; 以及投射形成在反射型光阀（2）的图像形成区域上的图像的投影光学系统（3）。 投影光学系统（1）可以在大致垂直于投影光轴的方向上移动。 投影光学系统（3）的F数小于照明光学系统（1）的F数。 在投影光学系统（3）和反射型光阀（2）之间，设有限定投影光学系统（3）的入射侧开口的开口限定元件（12），其不被移动 的投影光学系统（3）。
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公开(公告)号：US20050105177A1
公开(公告)日：2005-05-19
申请号：US10501580
申请日：2002-11-26
申请人： Hiroshi Suzuki , Takao Endo , Shinsuke Shikama , Shuso Wadaka , Kohei Teramoto , Kuniko Kojima , Shigekazu Tsuda
发明人： Hiroshi Suzuki , Takao Endo , Shinsuke Shikama , Shuso Wadaka , Kohei Teramoto , Kuniko Kojima , Shigekazu Tsuda
CPC分类号： G03B21/62 , G03B21/10 , G03B21/625
摘要： A transparent screen is provided with a refraction/total reflection plate in a form of a Fresnel lens, the refraction/total reflection plate having a sawtooth light-incidence-side surface upon which light to be projected is incident, and a light-emitting-side surface via which the light to be projected exits, and an image formation/display plate for forming a projection image from the light that exits from the refraction/total reflection plate. A plurality of refraction slating surface portions each for refracting an incident ray of light to be projected towards the light-emitting-side surface of the refraction/total reflection plate, a plurality of transmission slating surface portions each for making an incident ray of light to be projected pass therethrough, and a plurality of total reflection slating surface portions each for reflecting an incident ray of light passing through one of the plurality of transmission slating surface portions towards the light-emitting-side surface of the refraction/total reflection plate being formed concentrically on the sawtooth light-incidence-side surface of the refraction/total reflection plate. The refraction/total reflection plate is formed of a transparent material in which no scattering particles are dispersedly disposed.
摘要翻译： 透明屏幕设置有菲涅尔透镜形式的折射/全反射板，折射/全反射板具有入射光的锯齿光入射侧表面，并且发光 - 要投射的光的侧面出射的侧表面，以及用于从从折射/全反射板离开的光形成投影图像的图像形成/显示板。 多个折射台面部分，每个用于折射入射到所述折射/全反射板的发光侧表面的入射光线;多个透射板条表面部分，用于将入射光线 投射通过其中，并且形成多个全反射平板表面部分，每个全反射板条表面部分用于将穿过多个透射板条表面部分中的一个的入射光线朝向折射/全反射板的发光侧表面反射 同心地对折射/全反射板的锯齿光入射侧表面。 折射/全反射板由不散射散射颗粒的透明材料形成。
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