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1. 发明授权

US07059725B2 Reflection-type image projection unit and a reflection-type image display apparatus, and a light source device for use therein 有权
标题翻译：反射型图像投影单元和反射型图像显示装置，以及其中使用的光源装置
公开(公告)号：US07059725B2
公开(公告)日：2006-06-13
申请号：US10859415
申请日：2004-06-01
申请人： Koji Hirata , Masahiko Yatsu , Naoyuki Ogura , Nobuo Masuoka
发明人： Koji Hirata , Masahiko Yatsu , Naoyuki Ogura , Nobuo Masuoka
IPC分类号： G03B21/28 , G02F1/00 , G02F1/1335
CPC分类号： H04N9/3105 , H04N9/315
摘要： In a reflection-type image projecting unit, being applicable into a reflection-type image display apparatus, being superior in contrast and achieving small-sizing of the apparatus, together with a light source for use therein, a light flux including three (3) color components, R, G and B, emitted from a light source portion 100, are modulated and synthesized by means of reflection-type liquid crystal panels 221, 222 and 223 in an optical engine 200, which is constructed with three (3) prism-like polarization light beam splitters, to be emitted thereform, wherein those three (3) prism-like polarization light beam splitters are so displosed, that the G-component light of the three component lights R, G and B modulated on the reflection-type liquid crystal panel elements penetrates through two (2) of the prism-like polarization light beam splittrers 231 and 232, to be emitted therefrom, while the others, the B-component light and the R-component light penetrate therethrough after being reflected thereupon, or they are reflected after penetrating therethrough, while taking the planes of polarization lights of the propagating lights into the consideration.
摘要翻译：在反射型图像投影单元中，适用于反射型图像显示装置，具有优异的对比度并且实现设备的小尺寸以及其中使用的光源，包括三（3）由光源部100发出的彩色成分R，G，B，由反射型液晶面板221,222,223在由三（3）棱镜构成的光学引擎200中进行调制和合成将三（3）棱镜状的偏振光分束器分离出来，使得三分子光R，G和B的G分量光被调制在反射型偏振光分束器上，类型的液晶面板元件穿过两（2）个棱镜状偏振光束分流器231和232从其中发射，而其他的B分量光和R分量光在其中穿过其中反射，或者穿透后反射，同时考虑传播灯的偏振光平面。

2. 发明授权

US07111942B2 Reflection-type image projection unit and a reflection-type image display apparatus, and a light source device for use therein 有权
标题翻译：反射型图像投影单元和反射型图像显示装置，以及其中使用的光源装置
公开(公告)号：US07111942B2
公开(公告)日：2006-09-26
申请号：US10328336
申请日：2002-12-23
申请人： Koji Hirata , Masahiko Yatsu , Naoyuki Ogura , Nobuo Masuoka
发明人： Koji Hirata , Masahiko Yatsu , Naoyuki Ogura , Nobuo Masuoka
IPC分类号： G03B21/28 , G02F1/00 , G02F1/1335
CPC分类号： H04N9/3105 , H04N9/315
摘要： In a reflection-type image projecting unit, being applicable into a reflection-type image display apparatus, being superior in contrast and achieving small-sizing of the apparatus, together with a light source for use therein, a light flux including three (3) color components, R, G and B, emitted from a light source portion 100, are modulated and synthesized by means of reflection-type liquid crystal panels 221, 222 and 223 in an optical engine 200, which is constructed with three (3) prism-like polarization light beam splitters, to be emitted therefrom, wherein those three (3) prism-like polarization light beam splitters are so disposed, that the G-component light of the three component lights R, G and B modulated on the reflection-type liquid crystal panel elements penetrates through two (2) of the prism-like polarization light beam splitters 231 and 232, to be emitted therefrom, while the others, the B-component light and the R-component light penetrate therethrough after being reflected thereupon, or they are reflected after penetrating therethrough, while taking the planes of polarization lights of the propagating lights into the consideration.
摘要翻译：在反射型图像投影单元中，适用于反射型图像显示装置，具有优异的对比度并且实现设备的小尺寸以及其中使用的光源，包括三（3）由光源部100发出的彩色成分R，G，B，由反射型液晶面板221,222,223在由三（3）棱镜构成的光学引擎200中进行调制和合成这样的三（3）棱镜状的偏振光分束器被配置成将三分子光R，G，B的G分量光调制在反射型偏振光分束器上，类型的液晶面板元件穿过棱镜状偏振光分束器231和232中的两个（2）发射，而其他的B分量光和R分量光在r后穿过其中或者在穿透之后反射，同时考虑传播灯的偏振光平面。

3. 发明申请

US20060126020A1 Optical unit and pojection type image display unit using it 失效
标题翻译：光学单元和pojection型图像显示单元使用它
公开(公告)号：US20060126020A1
公开(公告)日：2006-06-15
申请号：US10525514
申请日：2004-03-26
申请人： Koji Hirata , Tsutomu Nakashima , Masahiko Yatsu , Nobuo Masuoka
发明人： Koji Hirata , Tsutomu Nakashima , Masahiko Yatsu , Nobuo Masuoka
IPC分类号： G03B21/14
CPC分类号： G03B21/005
摘要： An optical unit, comprising: a light source; a color separation means for separating a light emitted from the light source into plural pieces of color lights; reflection-type image display elements, upon each being incident the corresponding color of the lights from the color separation means, and for forming an optical image for each of the color lights, depending upon an image signal, with using polarization characteristics which the reflection-type image display elements have; and a color synthesizing means for synthesizing the optical images of the respective color lights, to be projected through a projection lens, enlargedly, and further comprising: a reflection-type polarization plate functioning as a polarization plate due to diffraction, being provided on an optical path extending from the color separation means to the reflection-type image display elements, to be a polarizer and an analyzer to the reflection-type image display elements; and an optical chassis for holding the reflection-type polarization plate and the reflection-type image display elements thereon, and having a translucent window on an incident light side of the reflection-type polarization plate while an exiting light side of the reflection-type polarization plate is sealed with an incident surface of the color synthesizing means, wherein a hermetically sealed space is defined by the optical chassis, the reflection-type image display elements and the incident surface of the color synthesizing means, and within the hermetically sealed space is disposed a translucent liquid having refraction index from 1.2 to 1.9.
摘要翻译：一种光学单元，包括：光源; 用于将从光源发射的光分离成多个彩色光的颜色分离装置; 反射型图像显示元件，在每次入射时，来自分色装置的光的相应颜色，并且根据图像信号，对于每个彩色光形成光学图像，使用偏振特性，类型图像显示元素有; 以及颜色合成装置，用于合成通过投影透镜放大地投影的各个颜色光的光学图像，并且还包括：反射型偏振板，由于衍射而用作偏振板，设置在光学将从分色装置延伸到反射型图像显示元件的路径成为偏振器和分析器到反射型图像显示元件; 以及用于将反射型偏振板和反射型图像显示元件保持在其上的光学底盘，并且在反射型偏振板的入射光侧具有半透明窗口，而反射型偏振片的出射光侧用彩色合成装置的入射表面密封板，其中由光学底盘，反射型图像显示元件和颜色合成装置的入射表面以及在密封空间内的气密密封空间被设置折射指数为1.2〜1.9的半透明液体。

4. 发明授权

US07241015B2 Optical unit and projection type image display unit using it 失效
标题翻译：光学单元和投影型图像显示单元使用它
公开(公告)号：US07241015B2
公开(公告)日：2007-07-10
申请号：US10525514
申请日：2004-03-26
申请人： Koji Hirata , Tsutomu Nakashima , Masahiko Yatsu , Nobuo Masuoka
发明人： Koji Hirata , Tsutomu Nakashima , Masahiko Yatsu , Nobuo Masuoka
IPC分类号： G03B21/00 , G03B21/14 , G03B21/22
CPC分类号： G03B21/005
摘要： An optical unit includes a light source, a color separator, reflection-type image display elements, a color synthesizer, a reflection-type polarization plate, and an optical chassis. The optical chassis holds the reflection-type polarization plate and the reflection-type image display elements thereon, and has a translucent window on an incident light side of the reflection-type polarization plate while an exiting light side of the reflection-type polarization plate is sealed with an incident surface of the color synthesizer. A hermetically sealed space is defined by the optical chassis, the reflection-type image display elements and the incident surface of the color synthesizer, and within the hermetically sealed space is disposed a translucent liquid having a refraction index from 1.2 to 1.9.
摘要翻译：光学单元包括光源，分色器，反射型图像显示元件，彩色合成器，反射型偏振板和光学底盘。光学底盘将反射型偏振板和反射型图像显示元件保持在其上，并且在反射型偏振板的入射光侧具有半透明窗口，而反射型偏振板的出射光侧为用彩色合成器的入射表面密封。由光学底盘，反射型图像显示元件和彩色合成器的入射面限定气密密封空间，并且在气密密封空间内设置折射率为1.2〜1.9的半透明液体。

5. 发明授权

US06869184B2 Polarized-light converting unit and projector using the same 失效
标题翻译：偏振光转换单元和使用其的投影仪
公开(公告)号：US06869184B2
公开(公告)日：2005-03-22
申请号：US10671880
申请日：2003-09-29
申请人： Masahiko Yatsu , Koji Hirata , Naoyuki Ogura
发明人： Masahiko Yatsu , Koji Hirata , Naoyuki Ogura
IPC分类号： G02B5/30 , G02B27/18 , G02B27/28 , G03B21/00 , G03B21/14
CPC分类号： G02B27/283
摘要： Disclosed is a polarized-light converting unit, which is excellent in contrast performance and realizes high reliability and an increase in its life, and a projector device using the converting unit. The polarized-light converting unit includes first and second polarizing beam splitters provided in an integral form. The first polarizing beam splitter includes two incident planes on which two types of color light are respectively incident. The second polarizing beam splitter includes both a ¼-wave plate and first dichroic mirror, and a ¼-wave plate and a second dichroic mirror, both of which are disposed on two adjacent surfaces different from a junction surface with the first polarizing beam splitter and an outgoing surface thereof.
摘要翻译：公开了一种偏振光转换单元，其具有优异的对比度性能并且实现高可靠性和增加其寿命，以及使用该转换单元的投影仪设备。偏振光转换单元包括以整体形式设置的第一和第二偏振分束器。第一偏振分束器包括两个入射平面，其上分别入射两种类型的彩色光。第二偏振光束分离器包括¼波片和第一分色镜，以及¼波片和第二分色镜，它们均设置在与第一偏振分束器的接合面不同的两个相邻表面上，其出射表面。

6. 发明授权

US06535267B2 Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium 有权
标题翻译：具有浸没在冷却介质中的液晶显示元件的液晶显示装置
公开(公告)号：US06535267B2
公开(公告)日：2003-03-18
申请号：US09886151
申请日：2001-06-22
申请人： Toru Numata , Yasuo Otsuka , Mikio Shiraishi , Koji Hirata , Naoyuki Ogura , Shigeru Inaoka , Kazunari Nakagawa , Shigeru Mori , Masahiko Yatsu
发明人： Toru Numata , Yasuo Otsuka , Mikio Shiraishi , Koji Hirata , Naoyuki Ogura , Shigeru Inaoka , Kazunari Nakagawa , Shigeru Mori , Masahiko Yatsu
IPC分类号： G02F11333
CPC分类号： H04N9/3141 , G02F1/133308 , G02F1/133385 , G02F1/133528 , H04N5/7441 , H04N9/3102
摘要： For obtaining both high brightness under condition of small-sized and simplified structure and suppression of increase in temperature of liquid crystal display elements and polarizing elements, in a liquid crystal display apparatus, comprising: a liquid crystal display element 2 for converting light from a light source into display picture depending on a driving signal; an optical projection system 1b containing a first optical element 1a and for projecting said light signal toward an object of projection; exit side polarizing elements 3b; a holding member 6 for holding them with the liquid crystal display element 2; and cooling medium 5; incident side polarizing elements 3a, wherein, a space is defined by either one of the incident side polarizing elements 3a and the liquid crystal display element 2, the first optical element 1a, between the liquid crystal display element 2 and the first optical element 1a, and the holding member 6, and said space is filled up with the cooling medium 5.
摘要翻译：为了在液晶显示装置和液晶显示装置的液晶显示装置和液晶显示装置的温度升高的条件下获得高亮度，并且抑制液晶显示元件和偏振元件的温度升高，包括：液晶显示元件2，用于将来自光的光根据驱动信号将其输入显示图像; 包含第一光学元件1a并用于将所述光信号投射到投影物体的光学投影系统1b; 出射侧偏振元件3b; 用于将其保持在液晶显示元件2上的保持构件6; 和冷却介质5; 入射侧偏振元件3a，其中，由液晶显示元件2和第一光学元件1a之间的入射侧偏振元件3a和液晶显示元件2中的任一个，第一光学元件1a，和保持构件6，并且所述空间被冷却介质5填充。

7. 外观设计

USD645068S1 Lens for projector 有权
公开(公告)号：USD645068S1
公开(公告)日：2011-09-13
申请号：US29380278
申请日：2010-12-02
申请人： Masayuki Fukui , Masahiko Yatsu , Naoyuki Ogura , Koji Hirata , Masanori Tsumura
设计人： Masayuki Fukui , Masahiko Yatsu , Naoyuki Ogura , Koji Hirata , Masanori Tsumura

8. 发明授权

US07081927B2 Optical projection apparatus, transmission type screen, and projection type image display apparatus 失效
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.

9. 发明授权

US06956624B2 Optical projection apparatus, transmission type screen, and projection type image display apparatus 失效
标题翻译：光投射装置，透射型屏幕和投影型图像显示装置
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。

10. 发明授权

US06829031B2 Liquid crystal display apparatus and optical device for use therein 有权
标题翻译：液晶显示装置及其中使用的光学装置
公开(公告)号：US06829031B2
公开(公告)日：2004-12-07
申请号：US10337400
申请日：2003-01-07
申请人： Toru Numata , Yasuo Otsuka , Mikio Shiraishi , Koji Hirata , Naoyuki Ogura , Shigeru Inaoka , Kazunari Nakagawa , Shigeru Mori , Masahiko Yatsu
发明人： Toru Numata , Yasuo Otsuka , Mikio Shiraishi , Koji Hirata , Naoyuki Ogura , Shigeru Inaoka , Kazunari Nakagawa , Shigeru Mori , Masahiko Yatsu
IPC分类号： G02F11333
CPC分类号： H04N9/3141 , G02F1/133308 , G02F1/133385 , G02F1/133528 , H04N5/7441 , H04N9/3102
摘要： For obtaining both high brightness under condition of small-sized and simplified structure and suppression of increase in temperature of liquid crystal display elements and polarizing elements, in a liquid crystal display apparatus, comprising: a liquid crystal display element 2 for converting light from a light source into display picture depending on a driving signal; an optical projection system 1b containing a first optical element 1a and for projecting said light signal toward an object of projection; exit side polarizing elements 3b; a holding member 6 for holding them with the liquid crystal display element 2; and cooling medium 5; incident side polarizing elements 3a, wherein, a space is defined by either one of the incident side polarizing elements 3a and the liquid crystal display element 2, the first optical element 1a, between the liquid crystal display element 2 and the first optical element 1a, and the holding member 6, and said space is filled up with the cooling medium 5.
摘要翻译：为了在液晶显示装置和液晶显示装置的液晶显示装置和液晶显示装置的温度升高的条件下获得高亮度，并且抑制液晶显示元件和偏振元件的温度升高，包括：液晶显示元件2，用于将来自光的光根据驱动信号将其输入显示图像; 包含第一光学元件1a并用于将所述光信号投射到投影物体的光学投影系统1b; 出射侧偏振元件3b; 用于将其保持在液晶显示元件2上的保持构件6; 和冷却介质5; 入射侧偏振元件3a，其中，由液晶显示元件2和第一光学元件1a之间的入射侧偏振元件3a和液晶显示元件2中的任一个，第一光学元件1a，和保持构件6，并且所述空间被冷却介质5填充。

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