公开(公告)号：US20060007540A1

公开(公告)日：2006-01-12

申请号：US11176996

申请日：2005-07-07

申请人： Atsushi Okuyama

发明人： Atsushi Okuyama

IPC分类号： G02B27/28 ,  G02B5/30

CPC分类号： G02B27/283 ,  H04N9/3105

摘要： A polarization splitter includes first and second glass members, and a polarization splitting layer and an adhesive layer arranged between the first and second glass members, wherein the polarization splitter satisfies α2×E 0.5, where α is a coefficient of linear expansion of the first and second glass members (10−7/K), E is a Young's modulus of the first and second glass members (108 N/mm2), and K is a photoelastic constant of the first and second glass members (nm/mm·mm2/N).

摘要翻译： 偏振光分离器包括第一和第二玻璃构件，以及偏振分束层和布置在第一和第二玻璃构件之间的粘合剂层，其中偏振分离器满足α2×E <6000000且K> 0.5， 其中α是第一和第二玻璃构件（10 -7 / K）的线性膨胀系数，E是第一和第二玻璃构件的杨氏模量（10＆lt; 8＆gt; SUP> N / mm 2），K是第一和第二玻璃构件的光弹性常数（nm / mm.mm N / N）。

公开(公告)号：US20050275807A1

公开(公告)日：2005-12-15

申请号：US11206775

申请日：2005-08-19

申请人： Atsushi Okuyama ,  Mitsuharu Sawamura

发明人： Atsushi Okuyama ,  Mitsuharu Sawamura

IPC分类号： G02B27/18 ,  G02B27/28 ,  G03B21/00 ,  H04N9/31 ,  G03B21/14

CPC分类号： H04N9/3105 ,  G02B27/283 ,  H04N9/315

摘要： A color combining optical system is disclosed, with which light of a plurality of colors can be combined while reducing the loss of light due to fluctuations in the incidence angle on a polarization color combining film. The color combining optical system, which combines a first color light and a second color light, includes a polarization color combining film made of a multilayer film. The polarization color combining film combines a first polarization component of the first color light and a second polarization component of the second color light, which has a polarization direction substantially perpendicular to the first polarization component, with an efficiency of 90% or more in a predetermined incidence angle range.

摘要翻译： 公开了一种彩色组合光学系统，可以组合多种颜色的光，同时减少由于偏振颜色组合膜上的入射角的波动引起的光的损失。 组合第一色光和第二色光的彩色组合光学系统包括由多层膜制成的偏振色彩组合膜。 偏振颜色组合膜将预定的第一颜色光的第一偏振分量和具有基本上垂直于第一偏振分量的偏振方向的第二色光的第二偏振分量结合在一起，其效率为90％以上 入射角度范围。

公开(公告)号：US06890079B2

公开(公告)日：2005-05-10

申请号：US10197841

申请日：2002-07-19

申请人： Atsushi Okuyama ,  Hiroyuki Kodama

发明人： Atsushi Okuyama ,  Hiroyuki Kodama

IPC分类号： G02F1/13 ,  G02B7/02 ,  G02B27/18 ,  G02F1/13357 ,  G03B21/00 ,  G03B21/14 ,  H04N5/74 ,  H04N9/31

CPC分类号： H04N9/3105 ,  H04N9/3141

摘要： A method of manufacturing different types of image display apparatuses includes the steps of producing a lens barrel (housing) for holding optical elements, the lens barrel being commonly usable in the different types of image display apparatuses; selecting one type of image display apparatus to be manufactured among the different types of image display apparatuses; and manufacturing the one type of image display apparatus using the common lens barrel. In the image display apparatus manufactured by the method mentioned above, selective use of retainers for retaining the optical elements included in the illumination system, when arranging at least two different types of the illumination systems varying according to whether or not microlenses are provided, enables the different types of illumination systems to be easily constituted in accordance with the characteristics of image display elements varying according to whether or not microlenses are provided, and so on.

摘要翻译： 制造不同类型的图像显示装置的方法包括以下步骤：制造用于保持光学元件的透镜镜筒（外壳），透镜镜筒通常可用于不同类型的图像显示装置; 选择在不同类型的图像显示装置之间制造的一种类型的图像显示装置; 并使用公共透镜筒制造一种类型的图像显示装置。 在通过上述方法制造的图像显示装置中，当布置根据是否提供微透镜而变化的至少两种不同类型的照明系统时，选择性地使用用于保持包括在照明系统中的光学元件的保持器， 根据是否提供微透镜而变化的图像显示元件的特性，可以容易地构成不同类型的照明系统。

公开(公告)号：US06831706B2

公开(公告)日：2004-12-14

申请号：US10197131

申请日：2002-07-17

申请人： Masayuki Abe ,  Keiji Ohtaka ,  Atsushi Okuyama

发明人： Masayuki Abe ,  Keiji Ohtaka ,  Atsushi Okuyama

IPC分类号： G02F11335

CPC分类号： G02B27/1026 ,  G02B27/14 ,  G02B27/145 ,  G02B27/283 ,  H04N5/7441 ,  H04N9/3167

摘要： When light from a reflection image display element is incident on a polarization split surface at an angle other than 45°, leakage light that decreases the contrast of an image is produced. In a projection image display apparatus which illuminates an image display element with light from a light source and projects light from the image display element through two polarization split surfaces, when the angles of first and second light rays, of light rays incident on the polarization split surface, with respect to the optical axis correspond to 55% of the maximum angle of the incident light rays with respect to the optical axis, where light rays of which incident angle with respect to said image display element is larger is set as first light ray and light rays of which incident angle with respect to said image display element is smaller is set as second light ray, and a light shielding characteristic value L on the two polarization split surfaces is represented by L=[(M1)a·(M1)b+(M2)a·(M2)b]/2 where (M1)a is the amount of leakage light of the first light ray on the polarization split on the reflection image display element side, (M2)a is the amount of leakage light of the second light ray, (M1)b is the amount of leakage light of the first light ray on the polarization split on the projection optical system side, and (M2)b is the amount of leakage light of the second light ray.

摘要翻译： 当来自反射图像显示元件的光以不同于45°的角度入射到偏振分割表面时，产生降低图像的对比度的泄漏光。 在利用来自光源的光照射图像显示元件的投影图像显示装置中，通过两个偏振分割面投影来自图像显示元件的光，当入射到偏振光分离体上的光线的第一和第二光线的角度 表面相对于光轴对应于入射光线相对于光轴的最大角度的55％，其中相对于所述图像显示元件的入射角较大的光线较大，被设定为第一光线 将相对于所述图像显示元件的入射角较小的光线设定为第二光线，并且将两个偏振分割面的遮光特性值L表示为L = [（M1）a（M1） b +（M2）a。（M2）b] / 2其中（M1）a是第一光线在反射图像显示元件侧的偏振分束上的泄漏光量，（M2）a是泄漏量 的光 （M1）b是投影光学系统侧的偏振光分割时的第一光线的泄漏光量，（M2）b是第二光线的漏光量。

公开(公告)号：US06805452B2

公开(公告)日：2004-10-19

申请号：US10656371

申请日：2003-09-08

申请人： Atsushi Okuyama ,  Hiroyuki Kodama

发明人： Atsushi Okuyama ,  Hiroyuki Kodama

IPC分类号： G03B2114

CPC分类号： H04N9/3182

摘要： A display apparatus of the type which forms a color image by modulating a plurality of lights different from each other in color by one or more display elements, includes a device for changing the color purity of at least one light by inserting or extracting a wavelength selection element into or out of the optical path of at least one of the plurality of lights, or changing the attitude of the wavelength selection element, and a device for supplying information as to whether the wavelength selection element is in the optical path of the at least one color light or information on the attitude of the wavelength selection element in the optical path of the at least one color light.

摘要翻译： 通过一个或多个显示元件调制多个彼此不同颜色的光来形成彩色图像的显示装置包括：通过插入或提取波长选择来改变至少一个光的色纯度的装置 元件进入或离开多个光中的至少一个的光路，或改变波长选择元件的姿态，以及用于提供关于波长选择元件是否处于至少光路中的信息的设备 一个色光或关于该至少一个彩色光的光路中的波长选择元件的姿态的信息。

公开(公告)号：US06644812B2

公开(公告)日：2003-11-11

申请号：US09826328

申请日：2001-04-04

申请人： Hiroyuki Kodama ,  Atsushi Okuyama

发明人： Hiroyuki Kodama ,  Atsushi Okuyama

IPC分类号： G03B2100

CPC分类号： G03B21/28 ,  G03B21/005

摘要： The present invention provides a display apparatus which can prevent the unevenness of the quantity of light in case of display giving priority to color reproducibility and can also correct the unevenness of the up rate to the brightness in display attaching importance to color reproducibility in case of display giving priority to brightness. In the display apparatus, light from a light source 1 is separated into three colors R, G and B by dichroic mirrors DM1, DM2, and liquid crystal display elements 8R, 8G and 8B corresponding to the color-separated three colors are illuminated with these lights, and the three color lights are modulated by these display elements to thereby form a color image, and the dichroic mirrors DM1 and DM2 include a dichroic mirror DM1 subjected to inclination correction movable in its inclined direction.

摘要翻译： 本发明提供一种显示装置，其能够防止在显示优先于色彩再现性的情况下的光量不均匀，并且还可以校正显示中的亮度的上升率的不均匀性，使得在显示的情况下重新显示颜色再现性 优先亮度。 在显示装置中，来自光源1的光由分色镜DM1，DM2分离成三种颜色的R，G和B，并且与这些颜色分离的三种颜色相对应的液晶显示元件8R，8G和8B被照亮 灯，并且三色光被这些显示元件调制从而形成彩色图像，并且分色镜DM1和DM2包括经倾斜校正的二向色镜DM1，该二向色镜DM1可沿其倾斜方向移动。

公开(公告)号：US06590713B2

公开(公告)日：2003-07-08

申请号：US09983722

申请日：2001-10-25

申请人： Atsushi Okuyama

发明人： Atsushi Okuyama

IPC分类号： G02B2714

CPC分类号： G02B27/0172

摘要： In an image observation apparatus, image light is guided to an observer's eye by using a first refractive surface on which the image light from an image display device is made incident, a reflective surface for reflecting the image light made incident from the first refractive surface, and an optical element having a second refractive surface for emitting the image light reflected from the reflective surface. A diffraction optical part is provided in front of the reflective surface of the optical element.

摘要翻译： 在图像观察装置中，通过使用来自图像显示装置的图像光入射的第一折射面将图像光引导到观察者的眼睛，反射从第一折射面入射的图像光的反射面， 以及具有用于发射从反射表面反射的图像光的第二折射表面的光学元件。 衍射光学部件设置在光学元件的反射表面的前方。

公开(公告)号：US06464362B1

公开(公告)日：2002-10-15

申请号：US09427434

申请日：1999-10-26

申请人： Saburo Sugawara ,  Atsushi Okuyama

发明人： Saburo Sugawara ,  Atsushi Okuyama

IPC分类号： G03B2114

CPC分类号： G03B21/208 ,  G03B21/204 ,  G03B21/2066 ,  G03B21/2073 ,  H04N9/3105 ,  H04N9/3152

摘要： For increasing the illumination efficiency to a liquid-crystal display element, an illuminating apparatus has a reflector for reflecting light from a light source, a negative meniscus lens, which is convex on the light source side, a first lens array unit of lens elements, a second lens array unit of lens elements, which is conjugate with the light source, and an optical polarization converting element in the stated order along a traveling direction of the light from the light source. The illuminating apparatus illuminates the liquid-crystal display element through the optical polarization converting element.

摘要翻译： 为了提高对液晶显示元件的照明效率，照明装置具有用于反射来自光源的光的反射器，在光源侧凸起的负弯月形透镜，透镜元件的第一透镜阵列单元， 与光源共轭的透镜元件的第二透镜阵列单元和沿着来自光源的光的行进方向的所述顺序的光学偏振转换元件。 照明装置通过光学偏振转换元件照亮液晶显示元件。

公开(公告)号：US06292301B1

公开(公告)日：2001-09-18

申请号：US09335497

申请日：1999-06-18

申请人： Junko Kuramochi ,  Atsushi Okuyama

发明人： Junko Kuramochi ,  Atsushi Okuyama

IPC分类号： G02B2714

CPC分类号： G02B27/0172

摘要： An optical system having a first optical acting surface and a second optical acting surface in an optical path between a focal plane and a stop. In the optical path traced from the focal plane to the stop, light emitted from the focal plane is reflected by the second optical acting surface and thereafter reflected by the first optical acting surface to reach the stop. A ray connecting a center of the focal plane with a center of the stop via the first optical acting surface and the second optical acting surface is defined as a reference axis ray. The second optical acting surface is of a rotationally asymmetric, aspherical shape only one symmetry plane of which is a plane including the reference axis ray.

摘要翻译： 一种光学系统，其具有在焦平面和止挡之间的光路中的第一光学作用表面和第二光学作用表面。 在从焦平面到停止点的光路中，从焦平面发出的光被第二光作用面反射，然后被第一光作用面反射到止挡。 通过第一光学作用表面和第二光学作用表面将焦平面的中心与止动件的中心连接的射线被定义为参考轴线。 第二光学作用表面是旋转非对称的非球面形状，只有一个对称平面是包括参考轴线的平面。

公开(公告)号：US06273568B1

公开(公告)日：2001-08-14

申请号：US09243175

申请日：1999-02-02

申请人： Atsushi Okuyama

发明人： Atsushi Okuyama

IPC分类号： G03B2100

CPC分类号： H04N9/3105 ,  H04N5/7441

摘要： A projection apparatus which is provided with a light source, a dichroic mirror for separating a light from the light source in a plurality of color lights, a display panel disposed on the optical path of each of the color lights, a first dichroic mirror for combining two color lights in the display panel illuminated with each of the color lights, a second dichroic mirror for combining and emitting the color lights emitted and combined by the first dichroic mirror and the other color lights, first and second optical units each disposed for the respective color light entering the second dichroic mirror for making the lights telecentric; and a projection lens for projecting the lights emitted and combined by the second dichroic mirror, and which is compact and suffers little from the distortion of optical performance, and particularly of an image.

摘要翻译： 一种设置有光源的投影装置，用于在多个彩色光中分离来自光源的光的分色镜，设置在每个彩色光的光路上的显示面板，用于组合的第一分色镜 显示面板中的两个彩色光用每个彩色光照亮，第二分色镜用于组合和发射由第一分色镜和其它彩色光发射和组合的彩色光，第一和第二光学单元，各自设置在相应的 彩色光进入第二个二向色镜，使光线远心; 以及用于投影由第二分色镜发射和组合的光的投影透镜，并且其紧凑并且几乎不受光学性能的变形，特别是图像的变形。