公开(公告)号：US20080036973A1

公开(公告)日：2008-02-14

申请号：US11632159

申请日：2006-03-30

申请人： Kuniko Kojima ,  Hiroshi Kida

发明人： Kuniko Kojima ,  Hiroshi Kida

IPC分类号： G03B21/28

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）。

公开(公告)号：US08434876B2

公开(公告)日：2013-05-07

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： G03B21/26

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。

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。

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。

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

IPC分类号： G03B21/14 ,  G03B3/00 ,  G02B9/00 ,  G02B9/08 ,  G02B7/02

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）。

公开(公告)号：US08469525B2

公开(公告)日：2013-06-25

申请号：US12644731

申请日：2009-12-22

申请人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

发明人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

IPC分类号： G03B21/20

CPC分类号： H04N9/3161 ,  G02B5/02 ,  G02B27/48 ,  G03B21/2033 ,  G03B21/2066 ,  G03B21/208 ,  H04N9/3102 ,  H04N9/3155

摘要： A projection-type display apparatus that projects an image on a screen and performs image display includes at least one laser source that emits a coherent light beam, an illuminating optics that propagates the light beam emitted from the laser source into a predetermined optical path to guide the light beam to the screen, a reflective optical modulator that forms the image to be displayed on the screen on an illuminated surface illuminated by the light beam guided by the illuminating optics, and a projection optics that magnifies and projects the image formed on the illuminated surface of the reflective optical modulator on the screen. The illuminating optics includes a diffusion device, which diffuses the propagated light beam, and is arranged on a light propagation path near a conjugated position with the reflective optical modulator.

摘要翻译： 将图像投影在屏幕上并执行图像显示的投影型显示装置包括发射相干光束的至少一个激光源，将从激光源发射的光束传播到预定光路中以引导的照明光学器件 向屏幕的光束，形成在由照明光学器件引导的光束照射的照明表面上要在屏幕上显示的图像的反射型光学调制器，以及投影光学器件，其放大并投射形成在照明 屏幕上的反光光学调制器的表面。 照明光学器件包括扩散装置，其扩散传播的光束，并且被布置在与反射型光学调制器接近共轭位置的光传播路径上。

公开(公告)号：US07872801B2

公开(公告)日：2011-01-18

申请号：US12289282

申请日：2008-10-23

申请人： Kuniko Kojima ,  Hayato Takeuchi ,  Norihiro Watanabe ,  Yuzo Nakano ,  Takao Endo

发明人： Kuniko Kojima ,  Hayato Takeuchi ,  Norihiro Watanabe ,  Yuzo Nakano ,  Takao Endo

IPC分类号： G03B21/60

CPC分类号： G03B21/62 ,  G02B5/0215 ,  G02B5/0231 ,  G02B5/0278 ,  G02B5/045

摘要： The Fresnel lens sheet according to the present invention has a plurality of prismatic Fresnel lens elements including a Fresnel facet, a riser facet, and a top facet crossing the facet and the riser facet on an entrance surface. An angle of the top facet of each Fresnel lens element constituting the lens relative to the an exit surface, δ1, is determined so that an exit angle of the light that has entered each of the top facets and exits from the exit surface, β, is greater than 35 degrees.

摘要翻译： 根据本发明的菲涅耳透镜片具有多个棱镜菲涅耳透镜元件，其包括菲涅耳面，提升板面和顶面，其在入射面上与小平面和提升板面相交。 确定构成透镜相对于出射面δ1的每个菲涅耳透镜元件的顶面的角度，使得已经进入每个顶面并从出射表面离开的光的出射角＆lt; bgr; ，大于35度。

公开(公告)号：US20100165301A1

公开(公告)日：2010-07-01

申请号：US12644731

申请日：2009-12-22

申请人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

发明人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

IPC分类号： G02B27/48 ,  G03B21/14

CPC分类号： H04N9/3161 ,  G02B5/02 ,  G02B27/48 ,  G03B21/2033 ,  G03B21/2066 ,  G03B21/208 ,  H04N9/3102 ,  H04N9/3155

摘要： A projection-type display apparatus that projects an image on a screen and performs image display includes at least one laser source that emits a coherent light beam, an illuminating optics that propagates the light beam emitted from the laser source into a predetermined optical path to guide the light beam to the screen, a reflective optical modulator that forms the image to be displayed on the screen on an illuminated surface illuminated by the light beam guided by the illuminating optics, and a projection optics that magnifies and projects the image formed on the illuminated surface of the reflective optical modulator on the screen. The illuminating optics includes a diffusion device, which diffuses the propagated light beam, and is arranged on a light propagation path near a conjugated position with the reflective optical modulator.

摘要翻译： 将图像投影在屏幕上并执行图像显示的投影型显示装置包括发射相干光束的至少一个激光源，将从激光源发射的光束传播到预定光路中以引导的照明光学器件 向屏幕的光束，形成在由照明光学器件引导的光束照射的照明表面上要在屏幕上显示的图像的反射型光学调制器，以及投影光学器件，其放大并投射形成在照明 屏幕上的反光光学调制器的表面。 照明光学器件包括扩散装置，其扩散传播的光束，并且被布置在与反射型光学调制器接近共轭位置的光传播路径上。

公开(公告)号：US20100033686A1

公开(公告)日：2010-02-11

申请号：US12535246

申请日：2009-08-04

申请人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa ,  Yuzo Nakano

发明人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa ,  Yuzo Nakano

IPC分类号： G03B21/62 ,  G03B21/00 ,  G03B21/20

CPC分类号： G03B21/20 ,  G03B21/005 ,  G03B21/2033 ,  G03B21/208 ,  G03B21/62

摘要： An image formed on a reflecting optical modulator is magnified by a projection optical system and projected on a backside of a transmission-type screen. The projection optical system is constituted so that a product of an F-number and a projection magnification of the projection optical system is less than 400.

摘要翻译： 形成在反射光调制器上的图像被投影光学系统放大并投影在透射型屏幕的背面。 投影光学系统构成为投影光学系统的F数与投影倍率的乘积小于400。

公开(公告)号：US06561656B1

公开(公告)日：2003-05-13

申请号：US10067280

申请日：2002-02-07

申请人： Kuniko Kojima ,  Shinji Okamori

发明人： Kuniko Kojima ,  Shinji Okamori

IPC分类号： G02B2718

CPC分类号： H04N9/3114 ,  H04N5/7441 ,  H04N5/7458 ,  H04N9/315

摘要： An illumination optical system comprises a light source lamp (1), a light mixing element (3) for mixing light emitted from the light source lamp (1), a DMD element (5) having a plurality of pixels, a transmission optical system (4) for bringing a light-exit surface (3a) of the light mixing element (3) into optical conjugation with a to-be-illuminated surface (5S) of the DMD element (5), and a field lens (6) located in front of the DMD element (5). The focal length of the field lens (6) can be changed so that an illuminance distribution that varies according to the application of the illumination optical system can be achieved on the to-be-illuminated surface (5S).

摘要翻译： 一种照明光学系统，包括光源灯（1），用于混合从光源灯（1）发射的光的光混合元件（3），具有多个像素的DMD元件（5），透射光学系统 4），用于使光混合元件（3）的光出射表面（3a）与DMD元件（5）的待被照射表面（5S）光学共轭，并且位于 在DMD元件前面（5）。 可以改变场透镜（6）的焦距，使得可以在被照射表面（5S）上实现根据照明光学系统的应用而变化的照度分布。