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1. 发明申请

US20120081676A1 PROJECTION IMAGE DISPLAY APPARATUS 有权
标题翻译：投影图像显示设备
公开(公告)号：US20120081676A1
公开(公告)日：2012-04-05
申请号：US13251431
申请日：2011-10-03
申请人： Koji HIRATA , Masahiko Yatsu , Naoyuki Ogura , Hidehiro Ikeda
发明人： Koji HIRATA , Masahiko Yatsu , Naoyuki Ogura , Hidehiro Ikeda
IPC分类号： G03B21/14
CPC分类号： G02B13/18 , G02B7/022 , G02B13/16
摘要： There is provided a projection image display apparatus which is excellent in quality of a display screen image even if a projection lens using a plastic lens having an asymmetrical shape with respect to an optical axis is used. The apparatus includes a projection lens which obliquely projects video light on a screen, an integrator which aligns a polarization direction of light from a light source, and an image display element (P, PL) which modulates light having the aligned polarization direction by an image signal. The projection lens includes multiple plastic lenses, and each of the multiple plastic lenses is arrayed, respectively, by shifting a gate direction to each other by 180 degrees. When the projection lens includes n sheets (n is a natural number) of plastic lenses, each of the multiple plastic lenses may be arrayed, respectively, by shifting a gate direction to each other by (360/n) degrees.
摘要翻译：提供了即使使用具有相对于光轴具有不对称形状的塑料透镜的投影透镜，显示屏图像的质量也优异的投影图像显示装置。该装置包括将视频光倾斜地投影在屏幕上的投影透镜，使来自光源的光的偏振方向对准的积分器和通过图像调制具有排列的偏振方向的光的图像显示元件（P，PL）信号。投影透镜包括多个塑料透镜，并且通过将栅极方向彼此移动180度来分别排列多个塑料透镜中的每一个。当投影透镜包括n个塑料透镜的n个片（n个是自然数）时，通过将栅极方向彼此移动（360 / n）度，可以分别排列多个塑料透镜中的每一个。

2. 发明申请

US20100290010A1 PROJECTION APPARATUS AND TRANSPARENT SCREEN FOR IT 有权
标题翻译：投影设备和透明屏幕
公开(公告)号：US20100290010A1
公开(公告)日：2010-11-18
申请号：US12777364
申请日：2010-05-11
申请人： Koji HIRATA , Masahiko Yatsu , Hidehiro Ikeda
发明人： Koji HIRATA , Masahiko Yatsu , Hidehiro Ikeda
IPC分类号： G03B21/14 , G03B21/62
CPC分类号： G03B21/62 , G02B13/18 , G03B21/10 , H04N7/142
摘要： There is provided a projection apparatus using an oblique projection optical system, which generates little reflection loss by providing a linear Fresnel lens at an incident surface in the case where the apparatus is used as a linear system, wherein said linear Fresnel lens makes total reflection of image light, and is capable of obtaining total surface property with good brightness in a region with small incident angle onto a screen, by using a total reflection Fresnel lens and a refraction Fresnel lens in combination. In addition, total surface property with further good brightness can be obtained by using a plurality of projection image display apparatuses in the same projection apparatus.
摘要翻译：提供了一种使用倾斜投影光学系统的投影装置，其在将该装置用作线性系统的情况下在入射表面处设置线性菲涅耳透镜而产生很小的反射损失，其中所述线性菲涅耳透镜全部反射并且通过组合使用全反射菲涅耳透镜和折射菲涅尔透镜，能够在具有小的入射角的区域中以良好的亮度获得在屏幕上的总表面性质。此外，通过在同一投影装置中使用多个投影图像显示装置，可以获得更高亮度的总表面性质。

3. 发明申请

US20090103060A1 DISPLAY APPARATUS AND PROJECTION TYPE LIGHTING APPARATUS THEREFOR 有权
标题翻译：显示设备及其投影类型照明设备
公开(公告)号：US20090103060A1
公开(公告)日：2009-04-23
申请号：US12030899
申请日：2008-02-14
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 , G03B21/14 , G03B21/28
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 comprises a lighting unit for emitting a light, and a first light modulation unit for forming an image through modulation of the light from a light source unit, wherein the lighting unit includes a light source for emitting the light, a second light modulation unit for modulating the light from the light source, being smaller than the first light modulation unit for modulating the light from the light source, and a projection unit for projecting the light modulated through the second light modulation unit, enlargely, upon the first light modulation unit for use of display.
摘要翻译：显示装置包括用于发光的照明单元和用于通过调制来自光源单元的光来形成图像的第一光调制单元，其中照明单元包括用于发光的光源，第二光调制用于调制来自光源的光的单元，小于用于调制来自光源的光的第一光调制单元，以及投影单元，用于在第一光调制时放大经第二光调制单元调制的光，显示器使用单位。

4. 发明申请

US20100171937A1 OBLIQUE PROJECTION OPTICAL SYSTEM AND PROJECTION TYPE DISPLAY APPARATUS USING THE SAME 有权
标题翻译： OBIQUE投影光学系统和投影型显示设备
公开(公告)号：US20100171937A1
公开(公告)日：2010-07-08
申请号：US12636951
申请日：2009-12-14
申请人： Koji HIRATA , Masahiko Yatsu , Naoyuki Ogura
发明人： Koji HIRATA , Masahiko Yatsu , Naoyuki Ogura
IPC分类号： G03B21/28 , G02B13/18 , G03B21/14 , B23P15/24
CPC分类号： G03B21/28 , G02B3/02 , G02B13/16 , G02B13/18 , G03B21/006 , G03B21/14 , G03B21/30 , H04N9/3141 , Y10T29/49995
摘要： A projection type display apparatus including an oblique projection optical system having a plurality of lenses is disclosed. A lens nearest to a projection screen has a vertical effective image area through which a light flux passes. The lens is arranged at a position not including an optical axis shared by the largest number of lenses among the plurality of lenses. A flat mirror for returning the optical path is arranged between the particular lens and the projection screen at a predetermined angle to the optical axis. An enlarged image obtained by the light flux returned by the flat mirror is formed toward a display screen.
摘要翻译：公开了一种包括具有多个透镜的倾斜投影光学系统的投影型显示装置。最靠近投影屏幕的透镜具有通过光束的垂直有效图像区域。透镜布置在不包括由多个透镜中的最大数量的透镜共享的光轴的位置。用于返回光路的平面镜以与光轴成预定角度布置在特定透镜和投影屏之间。通过由平面镜返回的光束获得的放大图像朝向显示屏形成。

5. 发明申请

US20110025991A1 PROJECTION TYPE DISPLAY APPARATUS 有权
标题翻译：投影式显示装置
公开(公告)号：US20110025991A1
公开(公告)日：2011-02-03
申请号：US12900554
申请日：2010-10-08
申请人： Koji HIRATA , Masahiko Yatsu , Takanori Hisada
发明人： Koji HIRATA , Masahiko Yatsu , Takanori Hisada
IPC分类号： G03B21/28
CPC分类号： G03B21/28
摘要： In a projection type display apparatus for enabling to display an image, by projecting an image on an image display element(s), enlargedly, upon a nearly horizontal surface, such as, a table, a reflection mirror for reflecting a light from a light source is so disposed that an optical axis of the light source is nearly perpendicular to an optical axis of a lens group having a plural number of lens elements, which are disposed symmetric with respect to the optical axis.
摘要翻译：在能够显示图像的投影型显示装置中，通过在诸如桌子的近似水平的表面上放大地在图像显示元件上投影图像，用于反射来自光的光的反射镜光源被设置为使得光源的光轴几乎垂直于具有相对于光轴对称设置的多个透镜元件的透镜组的光轴。

6. 发明申请

US20130162961A1 PROJECTION TYPE DISPLAY APPARATUS 有权
标题翻译：投影式显示装置
公开(公告)号：US20130162961A1
公开(公告)日：2013-06-27
申请号：US13773677
申请日：2013-02-22
申请人： Koji HIRATA , Masahiko YATSU , Takanori HISADA
发明人： Koji HIRATA , Masahiko YATSU , Takanori HISADA
IPC分类号： G03B21/14
CPC分类号： G03B21/28
摘要： In a projection type display apparatus for enabling to display an image, by projecting an image on an image display element(s), enlargedly, upon a nearly horizontal surface, such as, a table, a reflection mirror for reflecting a light from a light source is so disposed that an optical axis of the light source is nearly perpendicular to an optical axis of a lens group having a plural number of lens elements, which are disposed symmetric with respect to the optical axis.
摘要翻译：在能够显示图像的投影型显示装置中，通过在诸如桌子的近似水平的表面上放大地在图像显示元件上投影图像，用于反射来自光的光的反射镜光源被设置为使得光源的光轴几乎垂直于具有相对于光轴对称设置的多个透镜元件的透镜组的光轴。

7. 发明申请

US20120229777A1 Projection Type Image Display Apparatus 有权
标题翻译：投影型图像显示装置
公开(公告)号：US20120229777A1
公开(公告)日：2012-09-13
申请号：US13473025
申请日：2012-05-16
申请人： Koji HIRATA , Takanori Hisada , Masahiko Yatsu
发明人： Koji HIRATA , Takanori Hisada , Masahiko Yatsu
IPC分类号： G03B21/14
CPC分类号： G03B21/28 , G02B17/0852 , G03B21/145 , H04N9/317
摘要： A projection type image display apparatus includes a first lens group including a plural number of lenses being disposed in a direction of propagation light with respect to an image display element, a second lens group including a plural number of lenses being disposed in a direction of propagation light with respect to said first lens group and a reflection mirror, which is configured to reflect light emitted from at least one of said first and second lens groups, so as to project the light obliquely upon a screen. A ratio (Lo/Lp) of a diagonal size (Lo) of said screen and a distance (Lp) from a center of said reflection mirror to said screen is at least 2, and the second lens group includes a refractive lens having a negative power and a rotationally symmetric surface configuration.
摘要翻译：投影型图像显示装置包括：第一透镜组，其包括相对于图像显示元件沿传播光的方向设置的多个透镜;第二透镜组，包括沿传播方向设置的多个透镜; 相对于所述第一透镜组的光和反射镜，被配置为反射从所述第一和第二透镜组中的至少一个发射的光，以将光倾斜地投射在屏幕上。所述屏幕的对角线尺寸（Lo）和从所述反射镜的中心到所述屏幕的距离（Lp）的比（Lo / Lp）至少为2，并且所述第二透镜组包括具有负的折射透镜功率和旋转对称的表面配置。

8. 发明申请

US20090237621A1 Projection Image Display Apparatus and Projection Optical Unit to be Used Therein 有权
标题翻译：投影图像显示装置和投影光学单元
公开(公告)号：US20090237621A1
公开(公告)日：2009-09-24
申请号：US12475656
申请日：2009-06-01
申请人： Takanori HISADA , Masahiko YATSU , Koji HIRATA
发明人： Takanori HISADA , Masahiko YATSU , Koji HIRATA
IPC分类号： G03B21/28
CPC分类号： G03B21/10 , G02B17/0816 , G03B21/28
摘要： In a projection type image display apparatus, for enlarging an image on a image display apparatus 1 by means of a projection lens 2, thereby projecting the enlarged image onto a screen 6, obliquely, being inclined thereto, between the projection lens 2 and a rear-surface mirror 5, there are disposed free shaped surface mirrors 3 and 4, each having a free shaped surface for compensating a trapezoidal distortion due to oblique projection of the enlarged image. The surface configuration of the free shaped surface mirror is so shaped as to satisfy a following equation: |L1−L2|>1.4·Dv if assuming that a distance for a light beam of an upper end of the enlarged image to reach the screen after being reflected upon a free shaped surface is “L1”, a distance for a light beam of a lower end of the enlarged image to reach the screen after being reflected upon the free shaped surface is “L2”, and a distance from an upper end of an image on the screen to a lower end thereof is “Dv”.
摘要翻译：在投影型图像显示装置中，为了通过投影透镜2放大图像显示装置1上的图像，从而将放大图像倾斜地投影到屏幕6上，在投影透镜2和后方表面镜5设置有自由形状的表面镜3和4，每个具有自由形状的表面，用于补偿由于放大图像的倾斜投影引起的梯形失真。自由形状的表面镜的表面形状被形成为满足以下等式：<？in-line-formula description =“In-line formula”end =“lead”？> | L1-L2 |> 1.4.Dv 如果假设放大图像的上端的光束的距离在自由形状的反射之后到达屏幕，则<？in-line-formula description =“In-line Formulas”end =“tail”？> 表面为“L1”，放大图像的下端的光束在被自由形状的表面反射之后到达屏幕的距离为“L2”，并且距离屏幕上的图像的上端的距离到其下端是“Dv”。

9. 发明申请

US20090225233A1 PROJECTION-TYPE IMAGE DISPLAY APPARATUS 有权
标题翻译：投影型图像显示设备
公开(公告)号：US20090225233A1
公开(公告)日：2009-09-10
申请号：US12367560
申请日：2009-02-09
申请人： Koji HIRATA , Masahiko Yatsu
发明人： Koji HIRATA , Masahiko Yatsu
IPC分类号： H04N9/31
CPC分类号： H04N9/317 , G03B21/147 , G03B21/28
摘要： In a projection-type image display apparatus, comprising an enlarged projection optical unit, which is configured to project the lights from the light source unit onto the display portion, enlargedly, the enlarged projection optical unit, further comprises: a projection lens for projecting the image on the image display element, enlargedly, and a reflection mirror having a reflection surface made up with a freely curved surface, and the image display element has a display surface larger than the display portion, when a whole body thereof is projected on the display portion, through the enlarged projection optical unit, to be displayed by projection thereof, and the image on the display surface of the image display element is movable, within the display surface of the image display element, so as to project a portion fitting to the display portion, selectively, to be displayed, when projecting it through the enlarged projection optical unit upon the display portion, to be displayed, thereby enabling an installation position of the projection-type image display apparatus to be movable with respect to the display portion.
摘要翻译：在投影型图像显示装置中，包括放大投影光学单元，其被配置为将来自光源单元的光投影到显示部分上，放大地放大投影光学单元，还包括：投影透镜，用于将图像显示元件的放大图像和具有由自由曲面构成的反射面的反射镜，并且当其整体投射在显示器上时，图像显示元件具有比显示部分大的显示表面通过放大的投影光学单元通过其投影显示部分，并且图像显示元件的显示表面上的图像在图像显示元件的显示表面内是可移动的，以便使配合到图像显示元件的部分显示部分，当被显示时，通过放大的投影光学单元在显示部分上投影时，被选择性显示使得投影型图像显示装置的安装位置能够相对于显示部分移动。

10. 发明申请

US20110234982A1 PROJECTION DISPLAY 审中-公开
标题翻译：投影显示
公开(公告)号：US20110234982A1
公开(公告)日：2011-09-29
申请号：US13154877
申请日：2011-06-07
申请人： Koji HIRATA , Masahiko Yatsu
发明人： Koji HIRATA , Masahiko Yatsu
IPC分类号： G03B21/14
CPC分类号： H04N9/3144 , H04N9/3105
摘要： A projection type image display apparatus is provided which includes a housing to hold an optical system including multi-lenses, a polarized-light conversion element and a color separation portion. The housing operates to provide an optical path between a light source, located outside the housing, and penetration-type image display elements and an optical synthesizing portion also located outside of the housing.
摘要翻译：提供一种投影型图像显示装置，其包括用于保持包括多透镜，偏振光转换元件和分色部分的光学系统的外壳。壳体用于在位于壳体外部的光源和穿透型图像显示元件之间提供光路，以及也位于壳体外部的光学合成部分。

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