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    • 13. 发明申请
    • Image display apparatus
    • 图像显示装置
    • US20060072074A1
    • 2006-04-06
    • US10536513
    • 2003-11-28
    • Hiroaki MatsuiTomoya YanoYukio Ohmura
    • Hiroaki MatsuiTomoya YanoYukio Ohmura
    • G03B21/14
    • H04N5/7416
    • According to the present invention, there is provided an image display device including a non-luminous reflection type spatial light modulating element, illuminating system to illuminate the reflection type spatial light modulating element and a projection lens and in which light from a light source (2) illuminates the reflection type spatial light modulating elements (14, 15) via first and second fly-eye integrators (9, 10). An unnecessary part, not modulated, of the light reflected by the reflection spatial light modulating elements (14, 15) and further by a reflector (4) for recycling. Since the fly-eye integrators (9, 10) are displaced in relation to their optical axes, it is possible to utilize the light with an improved efficiency and prevent any nonuniform illumination from taking place.
    • 根据本发明,提供一种图像显示装置,其包括非发光反射型空间光调制元件,照明反射型空间光调制元件的照明系统和投影透镜,其中来自光源(2)的光 )经由第一和第二飞眼积分器(9,10)照射反射型空间光调制元件(14,15)。 由反射空间光调制元件(14,15)反射的光以及进一步由用于再循环的反射器(4)的光的不被调制的不必要部分。 由于蝇眼积分器(9,10)相对于它们的光轴移位,所以可以以提高的效率利用光,并且防止发生任何不均匀的照明。
    • 14. 发明授权
    • Image display apparatus
    • US06966656B2
    • 2005-11-22
    • US11054246
    • 2005-02-09
    • Tomoya Yano
    • Tomoya Yano
    • G02F1/13G02F1/13357G03B21/00G03B21/14H04N5/74H04N9/31H04N17/00G03B21/28
    • H04N9/3152H04N5/74H04N9/3167
    • An image display apparatus of a projection-type is provided which includes an illuminator with a light source, an optical modulator illuminated by light illuminator and which makes spatial modulation of the illumination light according to a to-be-displayed image for either transmission or reflection, and a projection lens to form an image of the optical modulator. The apparatus includes also a first reflecting element to reflect, towards the light source, the unwanted light of the light beam emitted from the illuminator and which will not illuminate the optical modulator, and a second reflecting element to guide, by reflecting, the unwanted light once reflected by the first reflecting element. In the apparatus, the combination of the light source and illuminator, which can recycle the unwanted light efficiently in the projector, makes it possible to inexpensively separate and recombine polarized components of the light beam. Use of a single-plate optical modulator formed from a color filter permits to utilize the light with an improved efficiency. Also by adopting a single-plate optical modulator of a sequential color-type, it is possible to attain an improved efficiency of light utilization. Thus, the efficiency of light utilization of an optical modulator whose numerical aperture is small can be improved and the peak brightness on a dark screen can be elevated.
    • 15. 发明申请
    • Image display apparatus
    • US20050225728A1
    • 2005-10-13
    • US11109312
    • 2005-04-19
    • Tomoya Yano
    • Tomoya Yano
    • G02F1/13G02F1/13357G03B21/00G03B21/14H04N5/74H04N9/31H04N17/00
    • H04N9/3152H04N5/74H04N9/3167
    • An image display apparatus of a projection-type is provided which includes an illuminator with a light source, an optical modulator illuminated by light illuminator and which makes spatial modulation of the illumination light according to a to-be-displayed image for either transmission or reflection, and a projection lens to form an image of the optical modulator. The apparatus includes also a first reflecting element to reflect, towards the light source, the unwanted light of the light beam emitted from the illuminator and which will not illuminate the optical modulator, and a second reflecting element to guide, by reflecting, the unwanted light once reflected by the first reflecting element. In the apparatus, the combination of the light source and illuminator, which can recycle the unwanted light efficiently in the projector, makes it possible to inexpensively separate and recombine polarized components of the light beam. Use of a single-plate optical modulator formed from a color filter permits to utilize the light with an improved efficiency. Also by adopting a single-plate optical modulator of a sequential color-type, it is possible to attain an improved efficiency of light utilization. Thus, the efficiency of light utilization of an optical modulator whose numerical aperture is small can be improved and the peak brightness on a dark screen can be elevated.
    • 16. 发明申请
    • Projection type image display apparatus and optical system
    • 投影型图像显示装置和光学系统
    • US20050190342A1
    • 2005-09-01
    • US11043885
    • 2005-01-26
    • Hiroaki SuzukiTomoya YanoKen KikuchiHiroaki Matsui
    • Hiroaki SuzukiTomoya YanoKen KikuchiHiroaki Matsui
    • G02B5/30G02B27/28G02F1/13G03B21/00H04N9/31G03B21/14
    • G02B27/283H04N9/3105H04N9/3167
    • A projection type image display apparatus is disclosed which can achieve an improved polarized light demultiplexing characteristic with a simple configuration and can project an image of a high quality having a high contrast. The apparatus includes a polarizing beam splitter having a demultiplexing face inclined to 45 degrees with respect to a plane perpendicular to an optical axis, a linearly polarizing element in the form of a flat plate provided in front of the polarizing beam splitter, and a reflection type liquid crystal element provided at a next stage to the polarizing beam splitter. The linearly polarizing element is disposed perpendicularly to a reference plane which includes a normal to the demultiplexing face and the optical axis and is inclined at an acute angle in the opposite direction to the demultiplexing face with respect to the plane perpendicular to the optical axis.
    • 公开了一种投影型图像显示装置,其能够以简单的配置实现改进的偏振光解复用特性,并且可以投影具有高对比度的高质量的图像。 该装置包括:偏振分束器,具有相对于与光轴垂直的平面倾斜45度的解复用面,设置在偏振分束器前方的平板形式的线偏振元件,反射型 液晶元件设置在偏振分束器的下一级。 线性偏振元件垂直于包括解复用面和光轴的法线的参考平面设置,并且相对于垂直于光轴的平面在与解复用面相反的方向上以锐角倾斜。
    • 17. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US06910772B2
    • 2005-06-28
    • US10136671
    • 2002-05-01
    • Tomoya Yano
    • Tomoya Yano
    • G02F1/13G02F1/13357G03B21/00G03B21/14H04N5/74H04N9/31H04N17/00G03B21/28
    • H04N9/3152H04N5/74H04N9/3167
    • An image display apparatus of a projection-type is provided which includes an illuminator with a light source, an optical modulator illuminated by light illuminator and which makes spatial modulation of the illumination light according to a to-be-displayed image for either transmission or reflection, and a projection lens to form an image of the optical modulator. The apparatus includes also a first reflecting element to reflect, towards the light source, the unwanted light of the light beam emitted from the illuminator and which will not illuminate the optical modulator, and a second reflecting element to guide, by reflecting, the unwanted light once reflected by the first reflecting element. In the apparatus, the combination of the light source and illuminator, which can recycle the unwanted light efficiently in the projector, makes it possible to inexpensively separate and recombine polarized components of the light beam. Use of a single-plate optical modulator formed from a color filter permits to utilize the light with an improved efficiency. Also by adopting a single-plate optical modulator of a sequential color-type, it is possible to attain an improved efficiency of light utilization. Thus, the efficiency of light utilization of an optical modulator whose numerical aperture is small can be improved and the peak brightness on a dark screen can be elevated.
    • 提供一种投射型图像显示装置,其包括具有光源的照明器,由光照射器照明的光调制器,并且根据要显示的图像进行透射或反射的照明光的空间调制 以及用于形成光调制器的图像的投影透镜。 该装置还包括第一反射元件,用于向光源反射从照明器发射的光束的不需要的光并且不会照亮光学调制器;以及第二反射元件,用于通过反射来引导不需要的光 一旦被第一反射元件反射。 在该装置中,可以在投影仪中有效回收不需要的光的光源和照明器的组合使得可以廉价地分离和重新组合光束的偏振分量。 使用由滤色器形成的单板光学调制器允许以更高的效率利用光。 通过采用顺序彩色型的单板式光学调制器,也可以获得提高的光利用效率。 因此,可以提高数值孔径小的光调制器的光利用效率,并且可以提高黑屏上的峰值亮度。
    • 20. 发明授权
    • Plasma addressed display device
    • 等离子体寻址显示设备
    • US5696523A
    • 1997-12-09
    • US633446
    • 1996-04-17
    • Tomoya Yano
    • Tomoya Yano
    • G02F1/1333G02F1/133G09F9/35H01J17/48G09G3/28
    • G02F1/13334H01J17/485
    • A plasma display device which can stabilize the state of discharge in a plasma chamber includes a transparent electrode 32 supplied with an anode potential formed on a glass substrate 17; and stripe-like insulation layers 31a to 31c, column electrodes 19a to 19c supplied with the cathode potential, and insulation layers 20a to 20c sequentially formed on the transparent electrode 32. On the insulation layers 20a to 20c, a dielectric sheet 13, a liquid crystal layer 16, and a data electrode 15 are sequentially formed. In the plasma chambers 18a and 18b, an ionizable gas such as helium is sealed.
    • 能够稳定等离子体室内的放电状态的等离子体显示装置包括:供给形成在玻璃基板17上的阳极电位的透明电极32; 带状绝缘层31a至31c,提供有阴极电位的列电极19a至19c,以及依次形成在透明电极32上的绝缘层20a至20c。在绝缘层20a至20c上,介电片13,液体 晶体层16和数据电极15。 在等离子体室18a和18b中密封诸如氦的可电离气体。