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    • 2. 发明授权
    • Stereoscopic display
    • 立体显示
    • US06710920B1
    • 2004-03-23
    • US09275434
    • 1999-03-24
    • Ken MashitaniGoro HamagishiMasutaka InoueHideyuki Kanayama
    • Ken MashitaniGoro HamagishiMasutaka InoueHideyuki Kanayama
    • G02B2722
    • G02B27/2214G02B27/225G02B27/2264H04N13/305H04N13/32H04N13/368H04N13/376
    • This invention provides a stereoscopic display without using eyeglasses which does not require a means to switch images for left and right eyes and by which each viewer can observe a stereoscopic image even when many persons observe an image. The display includes a projector for a left eye 1L, a projector for a right eye 1R, and lenticular lens on a light incident side 2a which forms images for left and right eyes projected from each projector on a diffusing plate 2b alternately. A shutter means 4L, 4R include a plurality of shutter regions which can switch between light transmission and light shading and are placed laterally, and form a narrow-width image light reaching region, of which width is less than that of the shutter region, in each image forming region on the diffusing plate. Lenticular lens on a light incident side 2c guides an image in a narrow-width image light reaching region in an image forming region for a left eye to a viewer's left eye and an image in a narrow-width image light reaching region in an image forming region for a right eye to a viewer's right eye. A shutter control means 5 controls light transmission and light shading of said shutter region on the basis of output results from a sensor which detects a viewer's position.
    • 本发明提供一种不使用眼镜的立体显示器,其不需要为左眼和右眼切换图像的装置,并且即使当许多人观察图像时,每个观看者也可以观察立体图像。 显示器包括用于左眼的投影仪1L,用于右眼的投影仪1R和在光入射侧2a上的双凸透镜,它们在每个投影仪上在漫射板2b上交替地形成用于左眼和右眼的图像。 快门装置4L,4R包括可以在透光和遮光之间切换并且横向放置的多个快门区域,并且形成宽度小于快门区域宽度的窄幅图像光到达区域 扩散板上的每个图像形成区域。 光入射侧的透镜2c将图像形成区域中的左眼的图像形成区域的窄幅图像光到达区域的图像引导到观看者的左眼,并且在图像形成中将窄图像光到达区域中的图像 右眼为观众右眼的区域。 快门控制装置5基于检测观察者的位置的传感器的输出结果来控制所述快门区域的光透射和遮光。
    • 5. 发明申请
    • ILLUMINATION APPARATUS AND PROJECTION DISPLAY APPARATUS
    • 照明装置和投影显示装置
    • US20080106700A1
    • 2008-05-08
    • US11934818
    • 2007-11-05
    • Takashi IKEDAMakoto MaedaKen MashitaniHideyuki Kanayama
    • Takashi IKEDAMakoto MaedaKen MashitaniHideyuki Kanayama
    • G03B21/14
    • H04N9/3167G03B21/2066G03B21/2073G03B21/208G03B33/12H04N9/3105
    • An illumination apparatus includes a plate-like separation optical element having a dichroic surface and a PBS surface. The dichroic surface reflects green component light and transmits yellow component light. The PBS surface transmits P polarization component light and reflects S polarization component light. The separation optical element combines red component light entering from a certain direction and transmitted through the dichroic surface, with yellow component light entering from a different direction and reflected by the PBS surface, and leads a combined light towards a red liquid crystal panel. The separation optical element combines green component light entering from the certain direction and reflected by the dichroic surface, with yellow component light entering from the different direction and transmitted through the PBS surface, and leads a combined light towards a green liquid crystal panel.
    • 照明装置包括具有二向色表面和PBS表面的板状分离光学元件。 二向色表面反射绿色成分光并透过黄色成分光。 PBS表面透射P偏振分量光并反射S偏振分量光。 分离光学元件将从特定方向进入并透射通过二向色表面的红色分量光与从不同方向进入并被PBS表面反射的黄色成分光组合,并将组合的光导向红色液晶面板。 分离光学元件将从特定方向入射并由二色性表面反射的绿色成分光组合成黄色分量光从不同方向进入并透过PBS表面,并将组合光导向绿色液晶面板。
    • 7. 发明授权
    • Illumination apparatus and projection display apparatus
    • 照明装置和投影显示装置
    • US07845802B2
    • 2010-12-07
    • US11934818
    • 2007-11-05
    • Takashi IkedaMakoto MaedaKen MashitaniHideyuki Kanayama
    • Takashi IkedaMakoto MaedaKen MashitaniHideyuki Kanayama
    • G03B21/00
    • H04N9/3167G03B21/2066G03B21/2073G03B21/208G03B33/12H04N9/3105
    • An illumination apparatus includes a plate-like separation optical element having a dichroic surface and a PBS surface. The dichroic surface reflects green component light and transmits yellow component light. The PBS surface transmits P polarization component light and reflects S polarization component light. The separation optical element combines red component light entering from a certain direction and transmitted through the dichroic surface, with yellow component light entering from a different direction and reflected by the PBS surface, and leads a combined light towards a red liquid crystal panel. The separation optical element combines green component light entering from the certain direction and reflected by the dichroic surface, with yellow component light entering from the different direction and transmitted through the PBS surface, and leads a combined light towards a green liquid crystal panel.
    • 照明装置包括具有二向色表面和PBS表面的板状分离光学元件。 二向色表面反射绿色成分光并透过黄色成分光。 PBS表面透射P偏振分量光并反射S偏振分量光。 分离光学元件将从特定方向进入并透射通过二向色表面的红色分量光与从不同方向进入并被PBS表面反射的黄色成分光组合,并将组合的光导向红色液晶面板。 分离光学元件将从特定方向入射并由二色性表面反射的绿色成分光组合成黄色分量光从不同方向进入并透过PBS表面,并将组合光导向绿色液晶面板。
    • 9. 发明授权
    • Illumination apparatus and projection display device
    • 照明装置和投影显示装置
    • US07815314B2
    • 2010-10-19
    • US11927963
    • 2007-10-30
    • Hideyuki KanayamaMakoto MaedaTakashi IkedaKen Mashitani
    • Hideyuki KanayamaMakoto MaedaTakashi IkedaKen Mashitani
    • G03B21/00G03B21/14
    • G03B33/12G02B27/283G03B21/2073G03B21/208G03B33/04H04N9/3167
    • An illumination apparatus includes a red light valve, a green light valve, a blue light valve, a polarization adjustment element, and a color combiner. The polarization adjustment element adjusts polarization of fourth color component light. The color combiner combines light emitted from the red light valve, the green light valve and the blue light valve. Superimposed component light which is any one of a red component light, a green component light and a blue component light enters the polarization adjustment element together with a fourth color component light. The polarization adjustment element transmits the superimposed component light without adjusting the polarization, and transmits the fourth color component light with adjusting the polarization. The superimposed component light and the fourth color component light emitted from the polarization adjustment element enter a specific light valve corresponding to the superimposed component light, among the red light valve, the green light valve and the blue light valve.
    • 照明装置包括红色光阀,绿色光阀,蓝色光阀,偏振调节元件和彩色组合器。 偏振调节元件调节第四颜色分量光的偏振。 彩色组合器组合从红色光阀,绿色光阀和蓝色光阀发出的光。 作为红色成分光,绿色成分光和蓝色成分光中的任意一种的叠加成分光与第四色分量光一起进入偏光调整元。 极化调整元件在不调整偏振的情况下透过叠加成分光,并且通过调整偏振来透射第四色分光。 从偏振调节元件发出的叠加成分光和第四色分量光在红色光阀,绿色光阀和蓝色光阀中进入与叠加成分光对应的特定光阀。