公开(公告)号：EP0825474A3

公开(公告)日：1998-10-28

申请号：EP97113714.6

申请日：1997-08-08

申请人： U.S. PRECISION LENS INC.

发明人： Kreitzer, Melvyn H.

IPC分类号： G02B27/18 ,  G02B15/14 ,  H04N9/31

CPC分类号： G02B15/16 ,  G02B13/16 ,  G02B15/161 ,  H04N5/74 ,  H04N5/7441

摘要： Projection lenses for use with pixelized panels, e.g., LCD panels, are provided. The lenses have a large focus range, e.g., a focus range of greater than 0.05 and in many cases greater than 0.1, and a limited (mini) zoom range, e.g., a zoom range of less than 15% (± 7.5% from the center of the range). By limiting the zoom range, complex lens structures involving large numbers of lens elements are avoided. In particular, the lenses employ at most one additional lens element and in many cases no additional lens elements compared to non-zooming lenses having a similar focus range.

摘要翻译： 提供与像素化面板（例如LCD面板）一起使用的投影镜头。 镜头具有较大的聚焦范围，例如，聚焦范围大于0.05，并且在许多情况下大于0.1以及有限（微型）变焦范围，例如小于15％的变焦范围（距离 范围的中心）。 通过限制变焦范围，避免了涉及大量镜头元件的复杂镜头结构。 特别地，与具有类似聚焦范围的非变焦透镜相比，透镜至多使用一个附加透镜元件并且在许多情况下不使用附加透镜元件。

公开(公告)号：EP0604325B1

公开(公告)日：1998-07-01

申请号：EP93403168.3

申请日：1993-12-24

申请人： SONY CORPORATION

发明人： Takuma, Hirokazu, c/o Sony Corporation ,  Takeuchi, Hiromitsu, c/o Sony Corporation ,  Hanabusa, Takaomi, c/o Sony Corporation

IPC分类号： H04N9/31 ,  G02B3/00 ,  G02B27/18 ,  G03B21/62

CPC分类号： G03B21/625 ,  H04N5/72 ,  H04N5/7408 ,  H04N9/31

公开(公告)号：EP0788612A4

公开(公告)日：1998-01-14

申请号：EP95940536

申请日：1995-10-19

申请人： ULTRATECH STEPPER INC

发明人： MARKLE DAVID A ,  JEONG HWAN J

IPC分类号： G02B13/24 ,  G02B13/22 ,  G02B13/26 ,  G02B15/00 ,  G02B15/14 ,  G02B17/08 ,  G02B26/08 ,  G02B27/18 ,  G03F7/20 ,  H01L21/027 ,  G02B7/02 ,  G02B17/00 ,  G02B27/02 ,  G03B3/00 ,  G03B21/14 ,  G03B27/52 ,  G03B27/54

CPC分类号： G03F7/70225 ,  G02B13/22 ,  G02B13/26 ,  G02B15/00 ,  G02B17/008 ,  G02B26/0875 ,  G03F7/70825

摘要： An optical system (Fig. 4) to project an image from an illuminated object to an image plane (4) with a selected magnification factor. This system includes a lens system (6') having a fixed magnification factor and at least one flat plate (28) that is optically compatible with the lens system and which when bent into a cylindrical shape varies the fixed magnification factor of the lens system along one axis of the image. This variable magnification technique is applicable to all lens system types, including Wynne Dyson optical projection system. In addition, a Wynne Dyson optical projection system that includes an optical block in place of the usual fold prism (10) is discussed. The optical block (32) reduces changes in distortion caused by heat transferred from the reticle (2). The block permits the inclusion of a dichroic beamsplitter (34) diagonally through the optical block which presents minimal attenuation of the exposure illumination.

公开(公告)号：EP0812115A2

公开(公告)日：1997-12-10

申请号：EP97108913.1

申请日：1997-06-03

申请人： HITACHI, LTD.

发明人： Kakuda, Takashi ,  Deguchi, Masaharu ,  Yamasaki, Futoshi ,  Maruyama, Takesuke ,  Konuma, Naohiro ,  Matsuda, Yutaka

IPC分类号： H04N9/31 ,  G02B19/00 ,  G02B27/18

CPC分类号： H04N9/315 ,  G02B27/0927 ,  G02B27/0961 ,  G02B27/0983 ,  H04N5/7441 ,  H04N9/3105

摘要： A projection type liquid crystal display device using liquid crystal display elements (3), which has a light source (1); illumination optics (2) having a function of irradiating a plane to be irradiated with light emitted by the light source (1); and liquid crystal display elements (3) modulating light; projection optics (4) for projecting light exiting from the liquid crystal display elements (3); wherein the illumination optics (2) include at least an elliptic mirror (5) and a spherical mirror (6), and the illumination optics (2) include further a first lens array (22) and a second lens array (23), in which a plurality of lenses are arranged perpendicularly to an optical axis, from the light source (1) side; and a condenser lens (7) for irradiating the liquid crystal display elements (3) with light after exit from the second lens array (23) with a high efficiency. In this way it is possible to realize a bright projection type liquid crystal display device having a small size and a good image quality performance.

摘要翻译： 一种使用具有光源（1）的液晶显示元件（3）的投影型液晶显示装置; 具有照射由光源（1）发射的光照射平面的功能的照明光学器件（2）; 和调制光的液晶显示元件（3） 用于投射从液晶显示元件（3）出射的光的投影光学器件（4）; 其中所述照明光学器件（2）至少包括椭圆镜（5）和球面镜（6），并且所述照明光学器件（2）还包括第一透镜阵列（22）和第二透镜阵列（23） 多个透镜从光源（1）侧垂直于光轴布置; 以及用于以高效率从第二透镜阵列（23）出射之后用光照射液晶显示元件（3）的聚光透镜（7）。 以这种方式，可以实现具有小尺寸和良好图像质量性能的亮投影型液晶显示装置。

公开(公告)号：EP0725296A3

公开(公告)日：1997-04-23

申请号：EP96101527.8

申请日：1996-02-02

申请人： NIKON CORPORATION

发明人： Chiba, Hiroshi

IPC分类号： G02B17/08 ,  G02B27/18

CPC分类号： G02B17/0892 ,  G02B17/002 ,  G02B17/008 ,  G02B17/08 ,  G02B27/18 ,  G03F7/70225 ,  G03F7/70275

摘要： A projection exposure apparatus achieves good imaging performance as securing a sufficient working distance. This projection exposure apparatus has a projection optical system for projection-transferring a real-size image of a first object onto a second object, which is disposed between the first object and the second object. This projection optical system has a cemented lens consisting of a plano-convex lens (L 2 ) and a first negative meniscus lens (L 3 ), a second negative meniscus lens (L 4 ), and path-bending prisms (P 1 , P 2 ) for guiding light from the first object to the plano-convex lens and for guiding light from the concave mirror (M) to the second object. The present invention is based on finding of appropriate ranges of refractive powers of the first and second negative meniscus lenses and appropriate ranges of Abbe numbers of glass materials for the first and second negative meniscus lenses.

公开(公告)号：EP0713202A3

公开(公告)日：1996-10-16

申请号：EP95307583.5

申请日：1995-10-25

申请人： Buell, Klaus ,  Thomas, Euan Richard Hodson

发明人： Buell, Klaus, ,  Thomas, Euan Richard Hodson ,  Brookfield, Michael

IPC分类号： G09B9/32 ,  G02B27/18

CPC分类号： G09B9/32

摘要： A video projector is used in target projection apparatus, for use with air defence training equipment, air traffic control training equipment, or other apparatus, where aircraft or other objects of interest (targets) are displayed on a large, normally spherical, projection screens. The projector incorporates a condenser for concentrating light from a source onto a liquid crystal display (LCD) panel. Zoom optics are arranged to receive and project light transmitted by the LCD panel onto the projection screen. The condenser itself includes a hollow body having an internal reflecting surface of revolution about an optical axis, the arrangement being such that light from the source entering the condenser is emitted as a beam within an emergent cone angle suited to the f-number of said zoom optics.

摘要翻译： 在目标投影仪中使用视频投影仪，用于防空训练设备，空中交通管制训练设备或其他设备，其中飞机或其他物体（目标）显示在大型，通常为球形的投影屏幕上。 该投影仪包含用于将来自源的光聚焦到液晶显示器（LCD）面板上的冷凝器。 变焦光学器件被布置成接收并投影由LCD面板传输到投影屏幕上的光。 冷凝器本身包括具有围绕光轴的内部反射表面的空心体，该布置使得来自进入冷凝器的源的光以作为所述变焦的f数的紧急锥角内的光束发射 光学。

公开(公告)号：EP0713202A2

公开(公告)日：1996-05-22

申请号：EP95307583.5

申请日：1995-10-25

申请人： Buell, Klaus ,  Thomas, Euan Richard Hodson

发明人： Buell, Klaus, ,  Thomas, Euan Richard Hodson ,  Brookfield, Michael

IPC分类号： G09B9/32 ,  G02B27/18

CPC分类号： G09B9/32

摘要： A video projector is used in target projection apparatus, for use with air defence training equipment, air traffic control training equipment, or other apparatus, where aircraft or other objects of interest (targets) are displayed on a large, normally spherical, projection screens. The projector incorporates a condenser for concentrating light from a source onto a liquid crystal display (LCD) panel. Zoom optics are arranged to receive and project light transmitted by the LCD panel onto the projection screen. The condenser itself includes a hollow body having an internal reflecting surface of revolution about an optical axis, the arrangement being such that light from the source entering the condenser is emitted as a beam within an emergent cone angle suited to the f-number of said zoom optics.

摘要翻译： 目标投影装置中使用视频投影仪，用于防空训练设备，空中交通管制训练设备或其他设备，其中飞行器或其他目标（目标）显示在大的，通常为球形的投影屏幕上。 投影机包含一个聚光器，用于将来自光源的光线聚集到液晶显示器（LCD）面板上。 变焦光学器件被布置成接收并投射由LCD面板传输到投影屏幕上的光。 聚光器本身包括具有围绕光轴旋转的内反射表面的中空体，该结构使得来自进入聚光器的光源的光以适合于所述变焦的f数的出射锥角内的光束发射 光学。

公开(公告)号：EP0660158A3

公开(公告)日：1995-11-02

申请号：EP94309635.4

申请日：1994-12-21

申请人： CANON KABUSHIKI KAISHA

发明人： Nishiwaki, Masayuki, c/o Canon Kabushiki Kaisha ,  Sugitani, Hiroshi, c/o Canon Kabushiki Kaisha ,  Orikasa, Tsuyoshi, c/o Canon Kabushiki Kaisha ,  Goto, Akira, c/o Canon Kabushiki Kaisha

IPC分类号： G02B27/18 ,  G02B27/12 ,  G03F7/20

CPC分类号： G02B27/126

摘要： An illumination optical system includes a beam dividing device (2) for dividing a radiation beam into plural illumination beams, and an optical arrangement (5) for superposing the illumination beams one upon another on a surface (6,9) to be illuminated, the optical arrangement having different focal distances in substantially orthogonal first and second directions, and the optical arrangement being adapted to focus each of the illumination beams on the surface in the first direction while defocusing the same in the second direction, whereby a linear illumination region is defined on the surface.

公开(公告)号：EP0537731A1

公开(公告)日：1993-04-21

申请号：EP92117614.5

申请日：1992-10-15

申请人： CANON KABUSHIKI KAISHA

发明人： Ishibe, Yoshihiro, c/o Canon Kabushiki Kaisha

IPC分类号： G03B27/72 ,  G02B27/18

CPC分类号： G03B21/20 ,  G02B27/18

摘要： A projection optical apparatus comprises an illuminating device (1,20) for illuminating an image (5), and a projecting device (6) for projecting the image illuminated by the illuminating device onto a screen. In the projection optical apparatus, the projecting device has a numerical aperture (NA) on a side of the screen changed depending upon a projection magnification of the image onto the screen.

摘要翻译： 投影光学装置包括用于照射图像（5）的照明装置（1,20）和用于将由照明装置照射的图像投影到屏幕上的投影装置（6）。 在投影光学装置中，投影装置具有根据图像在屏幕上的投影倍率而改变的屏幕一侧的数值孔径（NA）。

公开(公告)号：EP0396128A2

公开(公告)日：1990-11-07

申请号：EP90108345.1

申请日：1990-05-03

申请人： Hughes Aircraft Company

发明人： Haseltine, Eric C. ,  Jones, Helene H.

IPC分类号： G02B17/08 ,  G02B27/18

CPC分类号： G02B17/0852 ,  G02B17/0816 ,  G09B9/326

摘要： Catadioptric area-of-interest display projectors (1) produce displays having resolution of substantially less than 10 arc minutes per line over a wide field of view. Such projectors (1) include an external entrance pupil (21) for receiving images of substantially collimated light, and optics (2-17) for conveying such light onto and through an opening (19) in the surface (35) of an aspheric mirror (18), and then through an opening (20) in a spherical mirror (33) so that light emerging from the opening (20) in the spherical mirror (33) is displayed on a curved screen surface with such high resolution. A projector system includes this projector (1) and a mirror for steering collimated light from the entrance pupil (21) of the projector (1) into the projector optics. This system, when placed in a flight simulator at the periphery of a flight simulator dome for projection of such light images onto the inner curved surface of the dome, provides high resolution images to viewers located at the center of the dome.

摘要翻译： 折射率感兴趣区域显示投影仪（1）在广泛的视野下生产具有大约小于10弧分钟的分辨率的显示器。 这种投影仪（1）包括用于接收基本上准直的光的图像的外部入射光瞳（21）和用于将这种光传送到并穿过非球面镜的表面（35）中的开口（19）的光学器件（2-17） （18），然后通过球面镜（33）中的开口（20），使得从球面镜（33）中的开口（20）出射的光以高分辨率显示在弯曲的屏幕表面上。 投影仪系统包括该投影仪（1）和用于将投影仪（1）的入射光瞳（21）的准直光转向投影仪光学器件的反射镜。 该系统当放置在用于将这种光图像投影到圆顶的内弯曲表面的飞行模拟器圆顶的周边的飞行模拟器中时，向位于圆顶中心的观察者提供高分辨率图像。