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1. 发明授权

US07993017B2 Projection display apparatus 有权
标题翻译：投影显示装置
公开(公告)号：US07993017B2
公开(公告)日：2011-08-09
申请号：US12225885
申请日：2007-10-29
申请人： Akihiro Yamada , Motoo Takahashi , Akira Daijogo , Tomohiro Bessho , Kenji Samejima
发明人： Akihiro Yamada , Motoo Takahashi , Akira Daijogo , Tomohiro Bessho , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3155 , G03B21/006 , G03B21/14 , G03B21/208
摘要： A projection display apparatus 101 in which the light quantity adjusting means has a simple and readily interchangeable structure, and which can improve image quality by adjusting the quantity of light received by a light valve continuously, without causing illuminance irregularities, and without having unwanted light radiated onto the screen, the light quantity adjusting means 9 having light blocking members 91L, 91R for blocking light in transit to a second lens array 22, and rotational axes 91LA, 91RA for turnably supporting each of the light blocking members on an xy plane, the light blocking members 91L, 91R and rotational axes 91LA, 91RA being positioned so that the rotational axes 91LA, 91RA are disposed in positions symmetric with respect to the optical axis AX on the xy plane, and the turning range from the light blocking initiation position at which the light blocking members 91L, 91R, by being turned, start to block light in transit toward the second lens array 22 to the maximum light blocking position at which the light blocking members 91L, 91R block a maximum quantity of the light in transit toward the second lens array 22 is equal to or less than ninety degrees.
摘要翻译：投影显示装置101，其中光量调节装置具有简单且易于互换的结构，并且可以通过连续调节光阀接收的光量而不会引起照度不均匀并且不会有不必要的光照射来提高图像质量在屏幕上，具有用于遮挡向第二透镜阵列22传输的光的遮光构件91L，91R的光量调节装置9和用于在xy平面上可转动地支撑每个遮光构件的旋转轴91LA，91RA，光阻挡构件91L，91R和旋转轴91LA，91RA被定位成使得旋转轴线91LA，91RA被布置在相对于xy平面上的光轴AX对称的位置，并且从遮光起始位置遮光构件91L，91R通过转动开始阻挡向第二透镜阵列22传送的光到最大遮光构件91L，91R阻挡朝向第二透镜阵列22传送的光的最大量的遮光遮光位置等于或小于九十度。

2. 发明申请

US20080304022A1 Projection display 有权
标题翻译：投影显示
公开(公告)号：US20080304022A1
公开(公告)日：2008-12-11
申请号：US12153352
申请日：2008-05-16
申请人： Akihiro Yamada , Tomohiro Bessho , Akira Daijogo , Motoo Takahashi
发明人： Akihiro Yamada , Tomohiro Bessho , Akira Daijogo , Motoo Takahashi
IPC分类号： G02B26/02 , G03B21/14
CPC分类号： H04N9/3152
摘要： The invention provides a projection display that achieves continuous light amount control with ease and without causing unevenness of illumination of light applied to a light valve responsive to a video signal, thereby allowing constant image display with satisfactory contrast. The projection display of the invention includes a light valve (2); a light source (3a) generating light applied to the light valve (2); an integrator lens (4) provided on an optical path between the light source (3a) and the light valve (2) and making uniform the illumination distribution of light applied from the light source (3a) to the light valve (2); and a light amount control system (9) provided on the optical path and including a turning mechanism (9a) which turns like a set of double doors in order to adjust the amount of light applied from the light source (3a) to the light valve (2). The turning mechanism (9a) is bent into a V shape in a direction to reduce the amount of light (to block the light).
摘要翻译：本发明提供了一种能够容易地实现持续的光量控制并且不会根据视频信号而引起施加到光阀的光的照明不均匀的投影显示器，从而允许具有令人满意的对比度的恒定的图像显示。本发明的投影显示器包括一个光阀（2）; 产生施加到所述光阀（2）的光的光源（3a）; 设置在光源（3a）和光阀（2）之间的光路上并使从光源（3a）施加到光阀（2）的光的照明分布均匀的积分透镜（4）; 以及光量控制系统（9），其设置在所述光路上并且包括转动机构（9a），所述转动机构（9a）像一组双门一样转动，以便将从所述光源（3a）施加的光量调节到所述光阀（2）。转动机构（9a）沿着减少光量（阻挡光）的方向弯曲成V字状。

3. 发明授权

US08684542B2 Projection display having improved light shielding bodies for adjusting the amount of light applied to a light valve therein 有权
标题翻译：投影显示器具有改进的遮光体，用于调节施加到其中的光阀的光量
公开(公告)号：US08684542B2
公开(公告)日：2014-04-01
申请号：US13240046
申请日：2011-09-22
申请人： Akihiro Yamada , Tomohiro Bessho , Akira Daijogo , Motoo Takahashi
发明人： Akihiro Yamada , Tomohiro Bessho , Akira Daijogo , Motoo Takahashi
IPC分类号： G03B21/14
CPC分类号： H04N9/3152
摘要： The invention provides a projection display that achieves continuous light amount control with ease and without causing unevenness of illumination of light applied to a light valve responsive to a video signal, thereby allowing constant image display with satisfactory contrast. The projection display of the invention includes a light valve (2); a light source (3a) generating light applied to the light valve (2); an integrator lens (4) provided on an optical path between the light source (3a) and the light valve (2) and making uniform the illumination distribution of light applied from the light source (3a) to the light valve (2); and a light amount control system (9) provided on the optical path and including a turning mechanism (9a) which turns like a set of double doors in order to adjust the amount of light applied from the light source (3a) to the light valve (2). The turning mechanism (9a) is bent into a V shape in a direction to reduce the amount of light (to block the light).
摘要翻译：本发明提供了一种能够容易地实现持续的光量控制并且不会根据视频信号而引起施加到光阀的光的照明不均匀的投影显示器，从而允许具有令人满意的对比度的恒定的图像显示。本发明的投影显示器包括一个光阀（2）; 产生施加到所述光阀（2）的光的光源（3a）; 设置在光源（3a）和光阀（2）之间的光路上并使从光源（3a）施加到光阀（2）的光的照明分布均匀的积分透镜（4）; 以及光量控制系统（9），其设置在所述光路上并且包括转动机构（9a），所述转动机构（9a）像一组双门一样转动，以便将从所述光源（3a）施加的光量调节到所述光阀（2）。转动机构（9a）沿着减少光量（阻挡光）的方向弯曲成V字状。

4. 发明授权

US08052285B2 Projection display having improved light shielding bodies for adjusting the amount of light applied to a light valve therein 有权
标题翻译：投影显示器具有改进的遮光体，用于调节施加到其中的光阀的光量
公开(公告)号：US08052285B2
公开(公告)日：2011-11-08
申请号：US12153352
申请日：2008-05-16
申请人： Akihiro Yamada , Tomohiro Bessho , Akira Daijogo , Motoo Takahashi
发明人： Akihiro Yamada , Tomohiro Bessho , Akira Daijogo , Motoo Takahashi
IPC分类号： G03B21/14
CPC分类号： H04N9/3152
摘要： The invention provides a projection display that achieves continuous light amount control with ease and without causing unevenness of illumination of light applied to a light valve responsive to a video signal, thereby allowing constant image display with satisfactory contrast. The projection display of the invention includes a light valve (2); a light source (3a) generating light applied to the light valve (2); an integrator lens (4) provided on an optical path between the light source (3a) and the light valve (2) and making uniform the illumination distribution of light applied from the light source (3a) to the light valve (2); and a light amount control system (9) provided on the optical path and including a turning mechanism (9a) which turns like a set of double doors in order to adjust the amount of light applied from the light source (3a) to the light valve (2). The turning mechanism (9a) is bent into a V shape in a direction to reduce the amount of light (to block the light).
摘要翻译：本发明提供了一种能够容易地实现持续的光量控制并且不会根据视频信号而引起施加到光阀的光的照明不均匀的投影显示器，从而允许具有令人满意的对比度的恒定的图像显示。本发明的投影显示器包括一个光阀（2）; 产生施加到所述光阀（2）的光的光源（3a）; 设置在光源（3a）和光阀（2）之间的光路上并使从光源（3a）施加到光阀（2）的光的照明分布均匀的积分透镜（4）; 以及光量控制系统（9），其设置在所述光路上并且包括转动机构（9a），所述转动机构（9a）像一组双门一样转动，以便将从所述光源（3a）施加的光量调节到所述光阀（2）。转动机构（9a）沿着减少光量（阻挡光）的方向弯曲成V字状。

5. 发明申请

US20100165296A1 Projection Display Apparatus 有权
标题翻译：投影显示装置
公开(公告)号：US20100165296A1
公开(公告)日：2010-07-01
申请号：US12225885
申请日：2007-10-29
申请人： Akihiro Yamada , Motoo Takahashi , Akira Daijogo , Tomohiro Bessho , Kenji Samejima
发明人： Akihiro Yamada , Motoo Takahashi , Akira Daijogo , Tomohiro Bessho , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3155 , G03B21/006 , G03B21/14 , G03B21/208
摘要： A projection display apparatus 101 in which the light quantity adjusting means has a simple and readily interchangeable structure, and which can improve image quality by adjusting the quantity of light received by a light valve continuously, without causing illuminance irregularities, and without having unwanted light radiated onto the screen, the light quantity adjusting means 9 having light blocking members 91L, 91R for blocking light in transit to a second lens array 22, and rotational axes 91LA, 91RA for turnably supporting each of the light blocking members on an xy plane, the light blocking members 91L, 91R and rotational axes 91LA, 91RA being positioned so that the rotational axes 91LA, 91RA are disposed in positions symmetric with respect to the optical axis AX on the xy plane, and the turning range from the light blocking initiation position at which the light blocking members 91L, 91R, by being turned, start to block light in transit toward the second lens array 22 to the maximum light blocking position at which the light blocking members 91L, 91R block a maximum quantity of the light in transit toward the second lens array 22 is equal to or less than ninety degrees.
摘要翻译：投影显示装置101，其中光量调节装置具有简单且易于互换的结构，并且可以通过连续调节光阀接收的光量而不会引起照度不均匀并且不会有不必要的光照射来提高图像质量在屏幕上，具有用于遮挡向第二透镜阵列22传输的光的遮光构件91L，91R的光量调节装置9和用于在xy平面上可转动地支撑每个遮光构件的旋转轴91LA，91RA，光阻挡构件91L，91R和旋转轴91LA，91RA被定位成使得旋转轴线91LA，91RA被布置在相对于xy平面上的光轴AX对称的位置，并且从遮光起始位置遮光构件91L，91R通过转动开始阻挡向第二透镜阵列22传送的光到最大遮光构件91L，91R阻挡朝向第二透镜阵列22传送的光的最大量的遮光遮光位置等于或小于九十度。

6. 发明授权

US08162488B2 Projection display apparatus 有权
标题翻译：投影显示装置
公开(公告)号：US08162488B2
公开(公告)日：2012-04-24
申请号：US12504318
申请日：2009-07-16
申请人： Akihiro Yamada , Akira Daijogo , Motoo Takahashi , Kenji Samejima
发明人： Akihiro Yamada , Akira Daijogo , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3155 , G02B27/281
摘要： A projection display apparatus includes a light valve, a light source for producing light directed to the light valve, an integrator lens disposed in an optical path extending from the light source to the light valve and including a first lens array and a second lens array, and a light amount adjustment mechanism disposed in the optical path between the first lens array and the second lens array. The light amount adjusting mechanism includes a pair of light shielding elements pivoting in the form of a pair of double doors. The pair of light shielding elements have an opening formed in a region of tip portions thereof which corresponds to lens cells in contact with the optical axis of the second lens array. A region of the opening corresponding to one lens cell in contact with the optical axis of the second lens array is of a triangular configuration.
摘要翻译：投影显示装置包括光阀，用于产生指向光阀的光的光源，设置在从光源延伸到光阀的光路中并包括第一透镜阵列和第二透镜阵列的积分透镜，以及设置在第一透镜阵列和第二透镜阵列之间的光路中的光量调节机构。光量调节机构包括以一对双门的形式旋转的一对遮光元件。一对遮光元件具有形成在其顶端部分的区域中的开口，其对应于与第二透镜阵列的光轴接触的透镜单元。对应于与第二透镜阵列的光轴接触的一个透镜单元的开口的区域是三角形的。

7. 发明授权

US07661829B2 Projection display apparatus 失效
标题翻译：投影显示装置
公开(公告)号：US07661829B2
公开(公告)日：2010-02-16
申请号：US11798145
申请日：2007-05-10
申请人： Akihiro Yamada , Yoshinori Sato , Akira Daijogo , Motoo Takahashi , Hiroshi Kida
发明人： Akihiro Yamada , Yoshinori Sato , Akira Daijogo , Motoo Takahashi , Hiroshi Kida
IPC分类号： G03B21/14
CPC分类号： G03B21/208
摘要： A projection display apparatus is provided which offers improved contrast while smoothly controlling the amount of light, with a simple structure and without deterioration of lifetime due to the heat of the light from a light source. This projection display apparatus includes a light valve, a light source for emitting light to the light valve, an integrator lens disposed on the optical path of the light propagating from the light source to the light valve, for making uniform the illuminance distribution of the light from the light source, and a shutter mechanism disposed on the light path, for controlling the amount of light that illuminates the light valve. The shutter mechanism has a pair of light-blocking members having cuts formed in their respective protruding sides to regulate the passage of light, and the pair of light-blocking members are moved straight to protrude/retract on the optical path, perpendicularly to the optical path from both sides of the optical path, so as to control the amount of the light according to the extent of their protrusion on the optical path.
摘要翻译：提供了一种投影显示装置，其具有改善的对比度，同时以简单的结构平滑地控制光量，并且不会由于来自光源的光的热而导致寿命的劣化。该投影显示装置包括光阀，向光阀发光的光源，设置在从光源传播到光阀的光的光路上的积分透镜，用于使光的照度分布均匀以及设置在光路上的用于控制照明光阀的光量的快门机构。快门机构具有一对遮光构件，其具有形成在其各自的突出侧中的切口以调节光的通过，并且一对遮光构件直线移动以在光路上垂直于光学器件突出/缩回路径，以便根据其在光路上突出的程度来控制光量。

8. 发明申请

US20080043312A1 Projection display apparatus 失效
标题翻译：投影显示装置
公开(公告)号：US20080043312A1
公开(公告)日：2008-02-21
申请号：US11798145
申请日：2007-05-10
申请人： Akihiro Yamada , Yoshinori Sato , Akira Daijogo , Motoo Takahashi , Hiroshi Kida
发明人： Akihiro Yamada , Yoshinori Sato , Akira Daijogo , Motoo Takahashi , Hiroshi Kida
IPC分类号： G02B26/02
CPC分类号： G03B21/208
摘要： A projection display apparatus is provided which offers improved contrast while smoothly controlling the amount of light, with a simple structure and without deterioration of lifetime due to the heat of the light from a light source. This projection display apparatus includes a light valve, a light source for emitting light to the light valve, an integrator lens disposed on the optical path of the light propagating from the light source to the light valve, for making uniform the illuminance distribution of the light from the light source, and a shutter mechanism disposed on the light path, for controlling the amount of light that illuminates the light valve. The shutter mechanism has a pair of light-blocking members having cuts formed in their respective protruding sides to regulate the passage of light, and the pair of light-blocking members are moved straight to protrude/retract on the optical path, perpendicularly to the optical path from both sides of the optical path, so as to control the amount of the light according to the extent of their protrusion on the optical path.
摘要翻译：提供了一种投影显示装置，其具有改善的对比度，同时以简单的结构平滑地控制光量，并且不会由于来自光源的光的热而导致寿命的劣化。该投影显示装置包括光阀，向光阀发光的光源，设置在从光源传播到光阀的光的光路上的积分透镜，用于使光的照度分布均匀以及设置在光路上的用于控制照明光阀的光量的快门机构。快门机构具有一对遮光构件，其具有形成在其各自的突出侧中的切口以调节光的通过，并且一对遮光构件直线移动以在光路上垂直于光学器件突出/缩回路径，以便根据其在光路上突出的程度来控制光量。

9. 发明授权

US08345190B2 Polarization optical system and projection-type liquid-crystal display device 有权
标题翻译：偏振光学系统和投影型液晶显示装置
公开(公告)号：US08345190B2
公开(公告)日：2013-01-01
申请号：US12179818
申请日：2008-07-25
申请人： Akihiro Yamada , Akira Daijogo , Kenji Samejima
发明人： Akihiro Yamada , Akira Daijogo , Kenji Samejima
IPC分类号： G02F1/1335
CPC分类号： H04N9/3167
摘要： A polarization optical system includes a first polarization plate, arranged at the light incident side of a liquid-crystal light valve, for transmitting first polarized light (s-polarized light) included in light incident on the liquid-crystal light valve from an illumination optical system and a second polarization plate, arranged at the light exit side of the liquid-crystal light valve, for transmitting second polarized light (p-polarized light), different from the first polarized light (s-polarized light), included in imaging light emitted from the liquid-crystal light valve to a projection optical system, in which the second polarization plate is configured in such a way that its light-incident face is concave toward the liquid-crystal light valve.
摘要翻译：偏振光学系统包括：第一偏振板，布置在液晶光阀的光入射侧，用于将入射在液晶光阀上的光中包含的第一偏振光（s偏振光）从照明光学系统和第二偏振板，布置在液晶光阀的光出射侧，用于传输不同于成像光中的第一偏振光（s偏振光）的第二偏振光（p偏振光）从液晶光阀发射到投影光学系统，其中第二偏振片被配置为使得其入射面朝向液晶光阀是凹形的。

10. 发明申请

US20090161032A1 POLARIZATION OPTICAL SYSTEM AND PROJECTION-TYPE LIQUID-CRYSTAL DISPLAY DEVICE 有权
标题翻译：偏振光学系统和投影型液晶显示器件
公开(公告)号：US20090161032A1
公开(公告)日：2009-06-25
申请号：US12179818
申请日：2008-07-25
申请人： Akihiro Yamada , Akira Daijogo , Kenji Samejima
发明人： Akihiro Yamada , Akira Daijogo , Kenji Samejima
IPC分类号： G02F1/1335
CPC分类号： H04N9/3167
摘要： A polarization optical system includes a first polarization plate, arranged at the light incident side of a liquid-crystal light valve, for transmitting first polarized light (s-polarized light) included in light incident on the liquid-crystal light valve from an illumination optical system and a second polarization plate, arranged at the light exit side of the liquid-crystal light valve, for transmitting second polarized light (p-polarized light), different from the first polarized light (s-polarized light), included in imaging light emitted from the liquid-crystal light valve to a projection optical system, in which the second polarization plate is configured in such a way that its light-incident face is concave toward the liquid-crystal light valve.
摘要翻译：偏振光学系统包括：第一偏振板，布置在液晶光阀的光入射侧，用于将入射在液晶光阀上的光中包含的第一偏振光（s偏振光）从照明光学系统和第二偏振板，布置在液晶光阀的光出射侧，用于传输不同于成像光中的第一偏振光（s偏振光）的第二偏振光（p偏振光）从液晶光阀发射到投影光学系统，其中第二偏振片被配置为使得其入射面朝向液晶光阀是凹形的。

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