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    • 2. 发明授权
    • Screen and image projection system using the same
    • 屏幕和图像投影系统使用相同
    • US07443582B2
    • 2008-10-28
    • US11258804
    • 2005-10-26
    • Naofumi Yamauchi
    • Naofumi Yamauchi
    • G03B21/56
    • G03B21/56
    • In order to provide a screen having a projection surface on which of external light has little influence and has a large gain, as well as a projection surface that has a wide viewing angle and nature-views, the screen according to the present invention includes a directional diffusion layer for diffusing and transmitting light from a specific direction and linearly transmitting light from other directions, an isotropic diffusion layer for approximately isotropically diffusing light regardless of an incident angle thereof, and a light reflecting layer provided between the directional diffusion layer and the isotropic diffusion layer.
    • 为了提供具有外部光的影响小,增益大的投影面的屏幕以及具有宽视角和自然视野的投影面,本发明的屏幕包括: 方向性扩散层,用于从特定方向扩散和透射光并线性透射来自其它方向的光;各向同性扩散层,用于大致各向同性地漫射光,而不管其入射角如何;以及光反射层,设置在方向扩散层和各向同性 扩散层。
    • 4. 发明申请
    • Screen and image projection system using the same
    • 屏幕和图像投影系统使用相同
    • US20060098279A1
    • 2006-05-11
    • US11258804
    • 2005-10-26
    • Naofumi Yamauchi
    • Naofumi Yamauchi
    • G03B21/56
    • G03B21/56
    • In order to provide a screen having a projection surface on which of external light has little influence and has a large gain, as well as a projection surface that has a wide viewing angle and nature-views, the screen according to the present invention includes a directional diffusion layer for diffusing and transmitting light from a specific direction and linearly transmitting light from other directions, an isotropic diffusion layer for approximately isotropically diffusing light regardless of an incident angle thereof, and a light reflecting layer provided between the directional diffusion layer and the isotropic diffusion layer.
    • 为了提供具有外部光的影响小,增益大的投影面的屏幕以及具有宽视角和自然视野的投影面,本发明的屏幕包括: 方向性扩散层,用于从特定方向扩散和透射光并线性透射来自其它方向的光;各向同性扩散层,用于大致各向同性地漫射光,而不管其入射角如何;以及光反射层,设置在方向扩散层和各向同性 扩散层。
    • 5. 发明授权
    • Liquid crystal display apparatus
    • 液晶显示装置
    • US06847427B2
    • 2005-01-25
    • US10443224
    • 2003-05-22
    • Naofumi Yamauchi
    • Naofumi Yamauchi
    • F21V8/00G02F1/1335G02F1/13357G02F1/1347G02F1/13
    • G02F1/13471G02F1/133536G02F2001/133342G02F2203/09
    • A liquid crystal display apparatus arranged with a light guide plate of an illuminating apparatus between two liquid crystal panels for increasing an efficiency of utilizing light of the illuminating apparatus to thereby increase brightness both in a transmission display mode and a reflection display mode. For that object, there is constructed a constitution of providing a first lower polarizer between a first liquid crystal panel and a light guide plate, a second lower polarizer between a second liquid crystal panel and the light guide plate and a reflection-polarizing plate between the light guide plate and the second lower polarizer. Thereby, the efficiency of utilizing light of the illuminating apparatus can be increased. Further, a transmission axis of the first lower polarizer and a reflection axis of the reflection-polarizing plate are aligned in the same direction and a transmission axis of the second lower polarizer is set to make an angle θ (incidentally, θ is an angle other than 90 degrees) relative to the reflection axis of the reflection-polarizing plate. A rate of reflection/transmission of the second liquid crystal panel can freely be set by changing the angle.
    • 一种液晶显示装置,配置有两个液晶面板之间的照明装置的导光板,用于提高利用照明装置的光的效率,从而在透射显示模式和反射显示模式下增加亮度。 对于该目的,构造了在第一液晶面板和导光板之间设置第一下偏振片的构造,在第二液晶面板和导光板之间设置第二下偏振片,以及在第二液晶面板与导光板之间设置反射偏振片 导光板和第二下偏振片。 由此,可以提高利用照明装置的光的效率。 此外,第一下偏振片的透射轴和反射偏振片的反射轴在相同方向上排列,并且将第二下偏振片的透射轴设置为形成角度θ(附带地,θ是其他角度 相对于反射偏振片的反射轴为90度以上。 可以通过改变角度来自由地设定第二液晶面板的反射/透射率。
    • 6. 发明申请
    • Screen and projection system using the same
    • 屏幕和投影系统使用相同
    • US20080304150A1
    • 2008-12-11
    • US12072627
    • 2008-02-27
    • Naofumi Yamauchi
    • Naofumi Yamauchi
    • G03B21/60
    • G03B21/60
    • A front screen with a simple construction provides a wide viewing angle towards the desired direction, realization of an image projection system. The front screen that is utilized in present invention comprising a directional diffusing layer that transmits and diffuses incoming light from a specified angular range and linearly transmits incoming light from other angles, and a light-reflection layer that provides reflecting elements that scatters and reflects light. Furthermore, the light-scattering field of the reflecting elements in the light-reflecting layer in the up and down direction differs to that in the left and right direction and provides an anisotropic scattering property. Thereby, the construction is adjusted to the viewing condition.
    • 具有简单结构的前屏幕提供了朝向所需方向的宽视角,实现了图像投影系统。 用于本发明的前屏幕包括定向扩散层,该方向扩散层从指定的角度范围传播和扩散入射光,并且从其它角度线性地透射入射光;以及光反射层,其提供散射和反射光的反射元件。 此外,光反射层中的反射元件在上下方向上的光散射场与左右方向的光散射场不同,形成各向异性散射特性。 由此,将结构调整为观看状态。
    • 8. 发明申请
    • Directional screen and image projection system
    • 定向屏幕和图像投影系统
    • US20060274411A1
    • 2006-12-07
    • US11430585
    • 2006-05-09
    • Naofumi Yamauchi
    • Naofumi Yamauchi
    • G03B21/56
    • G03B21/56G03B21/60
    • To provide a directional screen which can efficiently converge light from a projector on an observer and which is hardly affected by external light. That is, multiple transparent protrusion structures are formed on a base material, and a light absorbing layer communicating in the vertical direction of each of the protrusion structures is provided. The formation of a recess structure or a through-hole exerts an effect similar to that of a protrusion structure. Alternatively, fibrous protrusions each having a high light reflectance are used as the protrusion structures, and are densely formed on the base material while they -are slanted in the direction of external light.
    • 提供可以有效地将来自投影仪的光会聚在观察者上并且几乎不受外部光影响的定向屏幕。 也就是说,在基材上形成多个透明突起结构,并且设置在每个突起结构的垂直方向上连通的光吸收层。 凹陷结构或通孔的形成发挥与突起结构相似的效果。 或者,使用具有高光反射率的纤维状突起作为突出结构,并且在沿着外部光的方向倾斜的情况下,密集地形成在基材上。