公开(公告)号：US07665849B2

公开(公告)日：2010-02-23

申请号：US11471030

申请日：2006-06-19

申请人： Hidehiro Ikeda ,  Masahiko Yatsu ,  Koji Hirata ,  Kei Adachi

发明人： Hidehiro Ikeda ,  Masahiko Yatsu ,  Koji Hirata ,  Kei Adachi

IPC分类号： G03B21/14

CPC分类号： G03B21/2073 ,  G03B21/208 ,  G03B33/12 ,  H04N9/3117

摘要： A projection type video display apparatus having improved color separating ability is provided. The projection type video display apparatus includes a color separating unit including an entrance plate provided with an aperture through which light beams emitted by a light source travel, an optical integrator, and a plurality of dichroic mirrors disposed with their color separating surfaces extended substantially parallel to the exit surface of the optical integrator and capable of transmitting color light beams of wavelengths in a predetermined wavelength range and of reflecting color light beams of wavelengths outside the predetermined wavelength range.

摘要翻译： 提供了具有改进的分色能力的投影型视频显示装置。 投影型视频显示装置包括一个分色单元，它包括一个入口板，该入口板设置有一个入口板，入口板设置有一个由光源发出的光束行进的孔径，一个光学积分器和多个分色镜，它们的颜色分离表面基本平行于 光学积分器的出射表面，并能够透射预定波长范围内的波长的彩色光束并反射预定波长范围外的波长的彩色光束。

公开(公告)号：US07261420B2

公开(公告)日：2007-08-28

申请号：US11637692

申请日：2006-12-13

申请人： Masahiko Yatsu ,  Koji Hirata ,  Hidehiro Ikeda

发明人： Masahiko Yatsu ,  Koji Hirata ,  Hidehiro Ikeda

IPC分类号： G03B21/14 ,  G03B21/26 ,  G02B13/22 ,  G02B23/24 ,  G02B9/06

CPC分类号： G02B13/22 ,  G03B21/142

摘要： A projection optical unit for enlarged projection of an image displayed by an image display element includes a first projection optical unit having positive refractive power, and a second projection optical unit having positive refractive power for further enlarging the first enlarged image obtained by the first projection optical unit. The first projection optical unit is in an almost telecentric relationship with respect to the image display element side and the first enlarged image side, and the first enlarged image is formed at the image display element side, rather than at the second projection optical unit.

摘要翻译： 用于由图像显示元件显示的图像进行放大投影的投影光学单元包括具有正折光力的第一投影光学单元和具有正折光力的第二投影光学单元，用于进一步放大由第一投影光学获得的第一放大图像 单元。 第一投影光学单元相对于图像显示元件侧和第一放大图像几乎是远心关系，并且第一放大图像形成在图像显示元件侧而不是在第二投影光学单元处。

公开(公告)号：US20070019163A1

公开(公告)日：2007-01-25

申请号：US11471030

申请日：2006-06-19

申请人： Hidehiro Ikeda ,  Masahiko Yatsu ,  Koji Hirata ,  Kei Adachi

发明人： Hidehiro Ikeda ,  Masahiko Yatsu ,  Koji Hirata ,  Kei Adachi

IPC分类号： G03B21/14

CPC分类号： G03B21/2073 ,  G03B21/208 ,  G03B33/12 ,  H04N9/3117

摘要： A projection type video display apparatus having improved color separating ability is provided. The projection type video display apparatus includes a color separating unit including an entrance plate provided with an aperture through which light beams emitted by a light source travel, an optical integrator, and a plurality of dichroic mirrors disposed with their color separating surfaces extended substantially parallel to the exit surface of the optical integrator and capable of transmitting color light beams of wavelengths in a predetermined wavelength range and of reflecting color light beams of wavelengths outside the predetermined wavelength range.

摘要翻译： 提供了具有改进的分色能力的投影型视频显示装置。 投影型视频显示装置包括一个分色单元，它包括一个入口板，该入口板设置有一个入口板，入口板设置有一个由光源发出的光束行进的孔径，一个光学积分器和多个分色镜，它们的颜色分离表面基本平行于 光学积分器的出射表面，并能够透射预定波长范围内的波长的彩色光束并反射预定波长范围外的波长的彩色光束。

公开(公告)号：US20110128472A1

公开(公告)日：2011-06-02

申请号：US13021101

申请日：2011-02-04

申请人： Koji Hirata ,  Masahiko Yatsu ,  Takanori Hisada ,  Hidehiro Ikeda

发明人： Koji Hirata ,  Masahiko Yatsu ,  Takanori Hisada ,  Hidehiro Ikeda

IPC分类号： G02F1/1335

CPC分类号： G03B21/62 ,  G02F1/133526 ,  G02F1/133604 ,  G02F1/133605 ,  G02F1/133611 ,  G02F1/13362 ,  G02F1/13471 ,  G02F2001/133607 ,  G02F2001/133622 ,  G03B21/208 ,  G03B21/26 ,  G03B21/28 ,  H04N9/3155

摘要： A display apparatus includes a light source which is configured to emit a light, a first light modulation unit which is configured modulate the light emitted from said light source, a first drive unit which is configured to drive said first light modulation unit, a projection unit, which is configured to project the light from said first light modulation unit enlargedly, a second light modulation unit, which is configured to modulate the light emitted from said projection unit so as to be emitted to an observer side, a second drive unit which is configured to drive said second light modulation unit, and an optical direction conversion unit, which is configured to convert the light from said projection unit so that the light is incident upon an incident surface of said second light modulation unit in a direction approximately perpendicular thereto.

摘要翻译： 一种显示装置，包括被配置为发光的光源，被配置为调制从所述光源发射的光的第一光调制单元，被配置为驱动所述第一光调制单元的第一驱动单元，投影单元 其被配置为从所述第一调光单元放大的光投射第二光调制单元，其被配置为调制从所述投影单元发射的光以被发射到观察者侧;第二驱动单元，其是 被配置为驱动所述第二光调制单元，以及光学方向转换单元，其被配置为转换来自所述投影单元的光，使得光在与所述第二光调制单元的大致垂直的方向上入射到所述第二调光单元的入射表面。

公开(公告)号：US20080284921A1

公开(公告)日：2008-11-20

申请号：US12153221

申请日：2008-05-15

申请人： Koji Hirata ,  Masahiko Yatsu ,  Hidehiro Ikeda

发明人： Koji Hirata ,  Masahiko Yatsu ,  Hidehiro Ikeda

IPC分类号： H04N5/74

CPC分类号： G02B27/2278 ,  G02F1/133602 ,  G02F1/1347 ,  G02F2001/133601 ,  H04N13/395

摘要： An image displaying apparatus, comprising: a first light modulator unit, which is configured to modulate a light incident thereon, responding to a first video signal, thereby to form a first image; one or a plural number of second light modulator units, which is/are configured to modulate a light from a light source, responding to a second video signal; and an enlarged image forming unit, being disposed on a light incidence side of the first light modulator unit, upon which a light modulated within the second light modulator unit is projected, enlargedly, thereby to form a second image thereon, wherein upon the first light modulator unit is incident the light of the second image formed on the enlarged image forming unit, and the first image is formed through modulation of the light of the second image responding to the first video signal.

摘要翻译： 一种图像显示装置，包括：第一光调制器单元，被配置为响应于第一视频信号调制入射到其上的光，从而形成第一图像; 一个或多个第二光调制器单元，其被配置为响应于第二视频信号来调制来自光源的光; 以及放大图像形成单元，设置在第一光调制器单元的光入射侧，放大地在第二光调制器单元内调制的光投射，从而在其上形成第二图像，其中在第一光 调制器单元入射到形成在放大图像形成单元上的第二图像的光，并且通过根据第一视频信号调制第二图像的光来形成第一图像。

公开(公告)号：US07081927B2

公开(公告)日：2006-07-25

申请号：US10978528

申请日：2004-11-02

申请人： Koji Hirata ,  Naoyuki Ogura ,  Masahiko Yatsu ,  Hidehiro Ikeda

发明人： Koji Hirata ,  Naoyuki Ogura ,  Masahiko Yatsu ,  Hidehiro Ikeda

IPC分类号： H04N9/31 ,  G02E1/135

CPC分类号： H04N9/3141 ,  G02B13/16 ,  G03B21/10 ,  H04N5/7441 ,  H04N9/3108 ,  H04N9/3144 ,  H04N9/317

摘要： An optical projection apparatus includes an optical lighting system provided with a polarized beam splitter for polarizing white light flux from a white light source and combining the white light flux with other light fluxes, thereby taking out a predetermined polarized wave; a multi-lens array consisting of a plurality of lens elements; and an irradiator for separating the white light flux into three primary color light fluxes of red, green, and blue and irradiating each of the three color light fluxes on the same display element at an angle different from the others; and a projecting lens unit used for projecting the three primary color light fluxes modulated by the display element. Color light fluxes modulated by the display element are separated in a horizontal direction of the screen of the display element when passing an injection pupil of the projection lens unit.

公开(公告)号：US06956624B2

公开(公告)日：2005-10-18

申请号：US10447999

申请日：2003-05-30

申请人： Koji Hirata ,  Naoyuki Ogura ,  Masahiko Yatsu ,  Hidehiro Ikeda

发明人： Koji Hirata ,  Naoyuki Ogura ,  Masahiko Yatsu ,  Hidehiro Ikeda

IPC分类号： G02B5/26 ,  G02B5/30 ,  G02B13/16 ,  G02B13/18 ,  G02B13/22 ,  G02F1/13 ,  G02F1/1335 ,  G03B21/00 ,  G03B21/10 ,  G03B33/12 ,  H04N5/74 ,  H04N9/31 ,  H04N5/64

CPC分类号： H04N9/3141 ,  G02B13/16 ,  G03B21/10 ,  H04N5/7441 ,  H04N9/3108 ,  H04N9/3144 ,  H04N9/317

摘要： An optical projection apparatus includes an optical lighting system provided with a polarized beam splitter for polarizing a white light flux received from a white light source and combining the white light flux with other light fluxes, thereby taking out a predetermined polarized wave; a multi-lens array consisting of a plurality of lens elements; and an irradiator for separating the white light flux into three primary color light fluxes of red, green, and blue and irradiating each of the three color light fluxes on the same display element at an angle different from the others; and a projector for projecting the three primary color light fluxes modulated by the display element. The optical lighting system and the projector are disposed between the white light source and the display element.

摘要翻译： 光学投影装置包括：光学照明系统，设置有偏振分束器，用于偏振从白色光源接收的白色光束，并将白色光束与其他光束组合，从而取出预定的偏振波; 由多个透镜元件组成的多透镜阵列; 以及用于将白光束分离为红色，绿色和蓝色的三原色光束的照射器，并且以与其它不同的角度在同一显示元件上照射三种颜色光束中的每一种; 以及用于投影由显示元件调制的三原色光束的投影仪。 光学照明系统和投影仪设置在白色光源和显示元件之间。

公开(公告)号：US20050146786A1

公开(公告)日：2005-07-07

申请号：US10953413

申请日：2004-09-28

申请人： Hidehiro Ikeda ,  Koji Hirata ,  Shuji Kato ,  Masahiro Yamamoto ,  Masahiko Yatsu

发明人： Hidehiro Ikeda ,  Koji Hirata ,  Shuji Kato ,  Masahiro Yamamoto ,  Masahiko Yatsu

IPC分类号： G02B13/16 ,  G02B27/14 ,  G02F1/13 ,  G02F1/1335 ,  G03B21/10 ,  G03B21/14 ,  H04N5/74 ,  H04N17/00 ,  G03B21/56 ,  G02B3/00 ,  G02B9/00

CPC分类号： G02B27/1046 ,  G02B13/16 ,  G02B27/145 ,  G02B27/149 ,  H04N5/74 ,  H04N5/7441 ,  H04N9/3105 ,  H04N9/3141 ,  H04N9/3185

摘要： A compact rear projection image display apparatus in which the projection distance in a projection optical system is substantially reduced and no reflection mirror is used, thereby eliminating a major cause of image trapezoidal distortion. The rear projection image display apparatus has a projection lens system which includes a first lens group with positive refractive power and a second lens group which further enlarges an image enlarged by the first lens group. The projection lens system enlarges and projects an image displayed on an image display device, on a transmission screen. No reflection mirror is provided between the second lens group and the transmission screen and the image enlarged by the second lens group is directly projected on the transmission screen.

摘要翻译： 一种紧凑的背投影像显示装置，其中投影光学系统中的投影距离大大减小，并且不使用反射镜，从而消除了图像梯形失真的主要原因。 背投影像显示装置具有投影透镜系统，该投影透镜系统包括具有正屈光力的第一透镜组和第二透镜组，该第二透镜组进一步放大由第一透镜组放大的图像。 投影透镜系统在透射屏幕上放大并投影显示在图像显示装置上的图像。 在第二透镜组和透射屏之间没有设置反射镜，并且由第二透镜组放大的图像直接投影在透射屏上。

公开(公告)号：US20050117123A1

公开(公告)日：2005-06-02

申请号：US10921938

申请日：2004-08-20

申请人： Masahiko Yatsu ,  Koji Hirata ,  Hidehiro Ikeda

发明人： Masahiko Yatsu ,  Koji Hirata ,  Hidehiro Ikeda

IPC分类号： G02B13/24 ,  G02B9/12 ,  G02B13/18 ,  G02B13/22 ,  G02B27/18 ,  G02F1/13 ,  G02F1/1335 ,  G03B21/00 ,  G03B21/14

CPC分类号： G02B13/22 ,  G03B21/142

摘要： A projection optical unit has two lens groups. A first projection optical unit disposed closest to an image display element, temporarily forms a first enlarged image (magnification: M1) at the image display element side, rather than at a second projection optical unit. The first enlarged image is subsequently projected in an enlarged form (magnification: M2, wherein M2>M1) onto a screen via the second projection optical unit. A field lens group having positive refractive power is disposed between the first projection optical unit and the second projection optical unit. Consequently, the relationship between F2, which is the F-value of the second projection optical unit, and F1, which is the F-value of the first projection optical unit, becomes F2=F1/M1, whereby it is possible to realize very-wide-angle imaging at a field angle exceeding 90 degrees.

摘要翻译： 投影光学单元具有两个透镜组。 靠近图像显示元件设置的第一投影光学单元在图像显示元件侧暂时形成第一放大图像（倍率：M1），而不是在第二投影光学单元处形成。 随后经由第二投影光学单元以放大的形式（倍率：M2，其中M2> M1）将第一放大图像投影到屏幕上。 具有正折光力的场透镜组设置在第一投影光学单元和第二投影光学单元之间。 因此，作为第二投影光学单元的F值的F2与作为第一投影光学单元的F值的F1之间的关系变为F2 = F1 / M1，从而可以非常实现 场角超过90度的全角度成像。

公开(公告)号：US08733953B2

公开(公告)日：2014-05-27

申请号：US13021101

申请日：2011-02-04

申请人： Koji Hirata ,  Masahiko Yatsu ,  Takanori Hisada ,  Hidehiro Ikeda

发明人： Koji Hirata ,  Masahiko Yatsu ,  Takanori Hisada ,  Hidehiro Ikeda

IPC分类号： G03B21/20

CPC分类号： G03B21/62 ,  G02F1/133526 ,  G02F1/133604 ,  G02F1/133605 ,  G02F1/133611 ,  G02F1/13362 ,  G02F1/13471 ,  G02F2001/133607 ,  G02F2001/133622 ,  G03B21/208 ,  G03B21/26 ,  G03B21/28 ,  H04N9/3155

摘要： A display apparatus includes a light source which is configured to emit a light, a first light modulation unit which is configured modulate the light emitted from said light source, a first drive unit which is configured to drive said first light modulation unit, a projection unit, which is configured to project the light from said first light modulation unit enlargedly, a second light modulation unit, which is configured to modulate the light emitted from said projection unit so as to be emitted to an observer side, a second drive unit which is configured to drive said second light modulation unit, and an optical direction conversion unit, which is configured to convert the light from said projection unit so that the light is incident upon an incident surface of said second light modulation unit in a direction approximately perpendicular thereto.

摘要翻译： 一种显示装置，包括被配置为发光的光源，被配置为调制从所述光源发射的光的第一光调制单元，被配置为驱动所述第一光调制单元的第一驱动单元，投影单元 其被配置为从所述第一调光单元放大的光投射第二光调制单元，其被配置为调制从所述投影单元发射的光以被发射到观察者侧;第二驱动单元，其是 被配置为驱动所述第二光调制单元，以及光学方向转换单元，其被配置为转换来自所述投影单元的光，使得光在与所述第二光调制单元的大致垂直的方向上入射到所述第二调光单元的入射表面。