公开(公告)号：US08905550B2

公开(公告)日：2014-12-09

申请号：US13643177

申请日：2011-05-09

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G03B21/28 ,  G02B17/08 ,  G03B21/14

CPC分类号： G02B17/08 ,  G02B17/0852 ,  G03B21/14 ,  G03B21/28

摘要： A disclosed projection optical system projects images on a surface to be projected on. The projection optical system includes a first optical system including at least one refraction optical system and having positive power as a whole, a folding mirror, and a second optical system including at least one reflection surface having power and having positive power as a whole. Further the folding mirror folds a light path from the first optical system to the second optical system, and in a plane including an optical axis of the first optical system and a normal line of the surface to be projected on, the following conditional expressions (1) through (3) are satisfied (1) 0.43≦d1, (2) 0.43≦d2, and (3) 0.7≦d2/d1≦2.0.

摘要翻译： 所公开的投影光学系统在要投影的表面上投影图像。 投影光学系统包括具有至少一个折射光学系统并具有整体正电力的第一光学系统，折叠镜和包括至少一个反射面的第二光学系统，该反射面整​​体上具有正的光焦度。 此外，折叠镜折叠从第一光学系统到第二光学系统的光路，并且在包括第一光学系统的光轴和要投影的表面的法线的平面中，以下条件表达式（1 （3）满足（1）0.43＆nlE; d1，（2）0.43＆nlE; d2和（3）0.7＆nlE; d2 / d1＆nlE; 2.0。

公开(公告)号：US20120019791A1

公开(公告)日：2012-01-26

申请号：US13184605

申请日：2011-07-18

申请人： Issei Abe ,  Kazuhiro Fujita ,  Tatsuya Takahashi

发明人： Issei Abe ,  Kazuhiro Fujita ,  Tatsuya Takahashi

IPC分类号： G03B21/28

CPC分类号： G03B21/28

摘要： A projection optical system includes a first optical system, a second optical system, and first and second reflection mirrors. The first and second reflection mirrors are arranged on an optical path between an image forming element and a reflection surface of the second optical system, so that a direction of an optical path of light beams from the second reflection mirror to the reflection surface contains a component of a direction opposite to a predetermined direction from the image forming element to the first optical system, and a projection image of the image forming element on a conjugate surface, a projection of the reflection surface onto the conjugate surface, and a projection of the image forming element onto the conjugate surface are arrayed in this order on the conjugate surface.

摘要翻译： 投影光学系统包括第一光学系统，第二光学系统以及第一和第二反射镜。 第一和第二反射镜布置在图像形成元件和第二光学系统的反射表面之间的光路上，使得从第二反射镜到反射表面的光束的光路的方向包含成分 与从图像形成元件到第一光学系统的预定方向相反的方向，以及在共轭表面上的图像形成元件的投影图像，反射表面到共轭表面上的投影，以及图像的投影 在共轭表面上依次排列形成元件到共轭表面上。

公开(公告)号：US09417511B2

公开(公告)日：2016-08-16

申请号：US14277196

申请日：2014-05-14

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G02B27/10 ,  G03B21/20 ,  G03B33/04 ,  G03B33/08 ,  H04N9/31

CPC分类号： G03B21/204 ,  G02B27/1006 ,  G03B33/04 ,  G03B33/08 ,  H04N9/3114 ,  H04N9/3164

摘要： A lighting device includes a first light source which emits excitation light, a wavelength convertor which generates fluorescence containing at least a first wavelength range and a second wavelength range by excitation with the excitation light, a second light source which emits light containing a third wavelength range different from the first wavelength range and the second wavelength range, an optical path-combining element which combines an optical path for the fluorescence from the wavelength convertor and an optical path for the light from the second light source, so as to guide the combined optical paths to a single emission optical path, and a light separator disposed in the emission optical path, which obtains and emits at least the first wavelength range and the second wavelength range of the fluorescence and at least the third wavelength range of the light from the second light source.

摘要翻译： 照明装置包括发射激发光的第一光源，通过用激发光激发产生至少包含第一波长范围和第二波长范围的荧光的波长转换器，发射含有第三波长范围的光的第二光源 与第一波长范围和第二波长范围不同的光路组合元件，其组合来自波长转换器的荧光的光路和来自第二光源的光的光路，以便引导组合光学 设置在发射光路中的光分离器，其获得并发射来自第二光源的至少第一波长范围和第二波长范围的荧光和至少第三波长范围的光 光源。

公开(公告)号：US08807763B2

公开(公告)日：2014-08-19

申请号：US13411717

申请日：2012-03-05

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G03B21/14

CPC分类号： H04N9/3194 ,  G03B21/145 ,  G03B21/147 ,  G03B21/28 ,  H04N9/3185

摘要： An image projection apparatus includes: an optical image generating unit to generate an optical image based on image data; a projection surface; a projection optical system including a plurality of optical elements and configured to form an projected image, onto a projection surface, coupled with the optical image generated by the optical image generating unit; a projected image shifting unit to shift the projected image by changing a posture of at least one of the plurality of optical elements included in the projection optical system; a tilt sensor to detect a posture of the optical element of which posture is changed by the projected image shifting unit; and a trapezoidal distortion correction unit to correct the optical image generated by the optical image generating unit so as to prevent the trapezoidal distortion of the projected image from occurring based on the detection result of the tilt sensor.

摘要翻译： 一种图像投影设备，包括：光学图像生成单元，用于基于图像数据生成光学图像; 投影面; 投影光学系统，包括多个光学元件，并且被配置为与由所述光学图像生成单元生成的光学图像耦合的投影面; 投影图像移位单元，通过改变投影光学系统中包括的多个光学元件中的至少一个的姿势来移动投影图像; 倾斜传感器，用于检测投影图像移动单元改变姿势的光学元件的姿势; 以及梯形失真校正单元，用于校正由光学图像生成单元生成的光学图像，以便基于倾斜传感器的检测结果来防止投影图像的梯形失真发生。

公开(公告)号：US08657450B2

公开(公告)日：2014-02-25

申请号：US13184605

申请日：2011-07-18

申请人： Issei Abe ,  Kazuhiro Fujita ,  Tatsuya Takahashi

发明人： Issei Abe ,  Kazuhiro Fujita ,  Tatsuya Takahashi

IPC分类号： G03B21/28 ,  G02B9/00

CPC分类号： G03B21/28

摘要： A projection optical system includes a first optical system, a second optical system, and first and second reflection mirrors. The first and second reflection mirrors are arranged on an optical path between an image forming element and a reflection surface of the second optical system, so that a direction of an optical path of light beams from the second reflection mirror to the reflection surface contains a component of a direction opposite to a predetermined direction from the image forming element to the first optical system, and a projection image of the image forming element on a conjugate surface, a projection of the reflection surface onto the conjugate surface, and a projection of the image forming element onto the conjugate surface are arrayed in this order on the conjugate surface.

摘要翻译： 投影光学系统包括第一光学系统，第二光学系统以及第一和第二反射镜。 第一和第二反射镜布置在图像形成元件和第二光学系统的反射表面之间的光路上，使得从第二反射镜到反射表面的光束的光路的方向包含成分 与从图像形成元件到第一光学系统的预定方向相反的方向，以及在共轭表面上的图像形成元件的投影图像，反射表面到共轭表面上的投影，以及图像的投影 在共轭表面上依次排列形成元件到共轭表面上。

公开(公告)号：US08511837B2

公开(公告)日：2013-08-20

申请号：US13236749

申请日：2011-09-20

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G03B21/14

CPC分类号： G03B21/14 ,  G03B21/28 ,  H04N9/3102

摘要： A projection optical system configured to project an image onto a projection surface includes a first optical system including at least one dioptric system and having positive power as a whole; a second optical system including a reflection region and a transmission region; and a third optical system including at least one reflecting surface having power, and having positive power as a whole, wherein light entering the projection optical system passes through the first optical system to have a path thereof bent by the reflection region of the second optical system to be incident on the third optical system, and the light incident on the third optical system has the path thereof bent by the third optical system to pass through the transmission region of the second optical system to be incident on the projection surface.

摘要翻译： 配置为将图像投影到投影表面上的投影光学系统包括：第一光学系统，包括至少一个折射系统，并且整体具有正的光焦度; 包括反射区域和透射区域的第二光学系统; 以及第三光学系统，包括具有动力的至少一个反射面，并且整体具有正的光焦度，其中进入所述投影光学系统的光通过所述第一光学系统以具有由所述第二光学系统的反射区域弯曲的路径 入射在第三光学系统上，并且入射到第三光学系统上的光具有由第三光学系统弯曲的路径，以通过第二光学系统的透射区域以入射在投影表面上。

公开(公告)号：US09625692B2

公开(公告)日：2017-04-18

申请号：US13595026

申请日：2012-08-27

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G02B17/00 ,  G02B17/08

CPC分类号： G02B17/0852 ,  G02B17/08

摘要： Disclosed is a projection optical system including a first optical system configured to form a first image conjugate to an object and have an optical axis and a second optical system configured to project a second image conjugate to the first image onto a surface to be projected on, wherein the first image satisfies a condition of: Im×Tr≦1.70 wherein Im denotes a length of the first image in a direction of an optical axis of the first optical system, normalized by a focal length of the first optical system, and Tr denotes a throw ratio for the projection optical system.

公开(公告)号：US20130235356A1

公开(公告)日：2013-09-12

申请号：US13643177

申请日：2011-05-09

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G02B17/08

CPC分类号： G02B17/08 ,  G02B17/0852 ,  G03B21/14 ,  G03B21/28

摘要： A disclosed projection optical system projects images on a surface to be projected on. The projection optical system includes a first optical system including at least one refraction optical system and having positive power as a whole, a folding mirror, and a second optical system including at least one reflection surface having power and having positive power as a whole. Further the folding mirror folds a light path from the first optical system to the second optical system, and in a plane including an optical axis of the first optical system and a normal line of the surface to be projected on, the following conditional expressions (1) through (3) are satisfied (1) 0.43≦d1, (2) 0.43≦d2, and (3) 0.7≦d2/d1≦2.0.

摘要翻译： 所公开的投影光学系统在要投影的表面上投影图像。 投影光学系统包括具有至少一个折射光学系统并具有整体正电力的第一光学系统，折叠镜和包括至少一个反射面的第二光学系统，该反射面整​​体上具有正的光焦度。 此外，折叠镜折叠从第一光学系统到第二光学系统的光路，并且在包括第一光学系统的光轴和要投影的表面的法线的平面中，以下条件表达式（1 ）（3）满足（1）0.43@d1，（2）0.43@d2和（3）0.7 @ d2 / d1 @ 2.0。

公开(公告)号：US20120236266A1

公开(公告)日：2012-09-20

申请号：US13411717

申请日：2012-03-05

申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Issei Abe

IPC分类号： G03B21/14

CPC分类号： H04N9/3194 ,  G03B21/145 ,  G03B21/147 ,  G03B21/28 ,  H04N9/3185

摘要： An image projection apparatus includes: an optical image generating unit to generate an optical image based on image data; a projection surface; a projection optical system including a plurality of optical elements and configured to form an projected image, onto a projection surface, coupled with the optical image generated by the optical image generating unit; a projected image shifting unit to shift the projected image by changing a posture of at least one of the plurality of optical elements included in the projection optical system; a tilt sensor to detect a posture of the optical element of which posture is changed by the projected image shifting unit; and a trapezoidal distortion correction unit to correct the optical image generated by the optical image generating unit so as to prevent the trapezoidal distortion of the projected image from occurring based on the detection result of the tilt sensor.

摘要翻译： 一种图像投影设备，包括：光学图像生成单元，用于基于图像数据生成光学图像; 投影面; 投影光学系统，包括多个光学元件，并且被配置为与由所述光学图像生成单元生成的光学图像耦合的投影面; 投影图像移位单元，通过改变投影光学系统中包括的多个光学元件中的至少一个的姿势来移动投影图像; 倾斜传感器，用于检测投影图像移动单元改变姿势的光学元件的姿势; 以及梯形失真校正单元，用于校正由光学图像生成单元生成的光学图像，以便基于倾斜传感器的检测结果来防止投影图像的梯形失真。

公开(公告)号：US09746755B2

公开(公告)日：2017-08-29

申请号：US14873663

申请日：2015-10-02

申请人： Takehiro Nishimori ,  Kazuhiro Fujita ,  Toshiharu Murai ,  Tatsuya Takahashi ,  Takahiro Kado

发明人： Takehiro Nishimori ,  Kazuhiro Fujita ,  Toshiharu Murai ,  Tatsuya Takahashi ,  Takahiro Kado

IPC分类号： F21V29/00 ,  G03B21/16 ,  F21V3/04 ,  F21V7/00 ,  F21V29/505 ,  F21V29/506 ,  F21V29/60 ,  G03B21/20 ,  G03B21/00 ,  F21Y115/30 ,  F21Y115/10

CPC分类号： G03B21/16 ,  F21V3/049 ,  F21V7/00 ,  F21V29/505 ,  F21V29/506 ,  F21V29/60 ,  F21Y2115/10 ,  F21Y2115/30 ,  G03B21/005 ,  G03B21/2033 ,  G03B21/2053 ,  G03B21/2066

摘要： A light source device includes a light source section that emits laser light, a reflection and diffusion member that diffuses and reflects the laser light emitted from the light source section, and a cooler that cools the reflection and diffusion member. The cooler includes at least one of an axial fan, an electronic cooling element, and a heat pipe.