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24 条记录 (耗时 0.032 秒)

    Rear projection screen
    1.
    发明授权
    Rear projection screen 失效
    背投屏幕

    公开(公告)号：US06515798B1

    公开(公告)日：2003-02-04

    申请号：US09606642

    申请日：2000-06-29

    申请人： Hsin-Hsin Chou ,  Patrick A. Thomas ,  Colleen M. Brenner-Watschke ,  Jeffrey C. Chang ,  Robert M. Moshrefzadeh

    发明人： Hsin-Hsin Chou ,  Patrick A. Thomas ,  Colleen M. Brenner-Watschke ,  Jeffrey C. Chang ,  Robert M. Moshrefzadeh

    IPC分类号： G03B2160

    CPC分类号： G03B21/62 ,  G03B21/604 ,  G03B21/625

    摘要： A rear projection screen assembly is described that includes a diffuser and a polarizer. The diffuser has particles dispersed within a binder. The particles and the binder have different refractive indices and are chosen such that the diffuser spreads light of an initial polarization state a cone of angles while substantially preserving the initial polarization state of the light. The diffuser also substantially depolarizing a portion of the light that is laterally scattered in the diffuser. The polarizer is disposed to receive light transmitted through the diffuser. The polarizer transmits light of the initial polarization state while absorbing a portion of the laterally scattered light that has a different polarization state. The resolution of the overall screen assembly may be made higher while also improving other characteristics of the screen assembly.

    摘要翻译： 描述了包括扩散器和偏振器的背投屏幕组件。 扩散器具有分散在粘合剂内的颗粒。 颗粒和粘合剂具有不同的折射率，并且被选择为使得扩散器将初始极化状态的光扩展为锥角，同时基本上保持光的初始偏振状态。 扩散器还基本上使在漫射器中横向散射的光的一部分去极化。 偏振器被设置成接收透射通过漫射器的光。 偏振器在吸收具有不同偏振状态的横向散射光的一部分的同时透射初始偏振态的光。 整个屏幕组件的分辨率可以更高，同时也改善了屏幕组件的其他特性。

    Rear projection screen using internal reflection
    4.
    发明授权
    Rear projection screen using internal reflection 失效
    背投屏使用内反射

    公开(公告)号：US06417966B1

    公开(公告)日：2002-07-09

    申请号：US09348809

    申请日：1999-07-07

    申请人： Robert S. Moshrefzadeh ,  Patrick A. Thomas ,  John C. Nelson ,  Theodore W. Hodapp ,  Hsin-Hsin Chou ,  Richard J. Pokorny ,  Raghunath Padiyath

    发明人： Robert S. Moshrefzadeh ,  Patrick A. Thomas ,  John C. Nelson ,  Theodore W. Hodapp ,  Hsin-Hsin Chou ,  Richard J. Pokorny ,  Raghunath Padiyath

    IPC分类号： G03B2160

    CPC分类号： G03B21/62

    摘要： An optically dispersing film for a rear projection system includes reflecting surfaces disposed so as to reflect light passing therethrough into at least one dispersion plane. The reflecting surfaces are formed by structures, of a first refractive index, disposed within a layer of material having a second refractive index. The structures have light absorbing bases at the viewing side of the film. In some embodiments, the reflecting surfaces are disposed at one or more angles so as to reflect light into a number of different directions. In other embodiments, the layer of material having the second refractive index includes diffusing particles that diffuse the light. The film permits the asymmetric dispersion of image light in a rear projection system, so that the light may be selectively directed towards the viewer.

    摘要翻译： 用于后投影系统的光学分散膜包括设置成将穿过其中的光反射到至少一个色散平面中的反射表面。 反射表面由具有第一折射率的结构形成，该结构设置在具有第二折射率的材料层内。 该结构在膜的观察侧具有光吸收基底。 在一些实施例中，反射表面设置成一个或多个角度，以将光反射到多个不同的方向。 在其他实施例中，具有第二折射率的材料层包括漫射光的扩散粒子。 该膜允许图像光在后投影系统中的不对称分散，使得光可以选择性地指向观察者。

    Rear projection screen with enhanced contrast
    5.
    发明授权
    Rear projection screen with enhanced contrast 有权
    背投屏幕增强对比度

    公开(公告)号：US06449089B1

    公开(公告)日：2002-09-10

    申请号：US09274585

    申请日：1999-03-23

    申请人： Robert M. Moshrefzadeh ,  Patrick A. Thomas ,  Hassan Sahouani ,  Daniel Croswell

    发明人： Robert M. Moshrefzadeh ,  Patrick A. Thomas ,  Hassan Sahouani ,  Daniel Croswell

    IPC分类号： G03B2156

    CPC分类号： G03B21/625 ,  G03B21/604 ,  G03B21/62

    摘要： Projection screen assemblies include one or more birefringent retarding layers and one or more polarizing layers. The retarding and polarizing layers reduce the unwanted reflection of ambient and image light. One embodiment of a screen assembly includes a dispersing layer having an input side to receive light from a light source and a first retarding layer disposed to alter the polarization of the light transmitted by the dispersing film. A first polarizer substantially transmits light received from the first retarding layer in a first polarization state and absorbs light received from the first retarding layer in a second polarization state orthogonal to the first polarization state.

    摘要翻译： 投影屏幕组件包括一个或多个双折射延迟层和一个或多个偏振层。 延迟和偏振层减少环境和图像光的不必要的反射。 屏幕组件的一个实施例包括具有输入侧以从光源接收光的分散层和设置成改变由分散膜透射的光的偏振的第一延迟层。 第一偏振器以第一偏振态基本上透射从第一延迟层接收的光，并以与第一偏振状态正交的第二偏振状态吸收从第一延迟层接收的光。

    Display simulator
    8.
    发明授权
    Display simulator 有权
    显示模拟器

    公开(公告)号：US07593017B2

    公开(公告)日：2009-09-22

    申请号：US11464620

    申请日：2006-08-15

    申请人： James A. Thielen ,  Scott J. Reckinger ,  Richard J. Moore ,  Patrick A. Thomas ,  Manoj Nirmal

    发明人： James A. Thielen ,  Scott J. Reckinger ,  Richard J. Moore ,  Patrick A. Thomas ,  Manoj Nirmal

    IPC分类号： G09G5/00 ,  G06T15/50 ,  G09G5/02 ,  H04N11/20 ,  G01S7/40 ,  G06F3/01 ,  G06F3/00

    CPC分类号： G09G5/00 ,  G09G2340/0407

    摘要： A system for generating and providing a simulated image. Based upon a source image and first parameters for a first display device, the system generates and displays a simulated image on second display device having second parameters. The first parameters are different from the second parameters, and the simulated image displayed on the second display device provides a visual indication of how the source image would appear when displayed on the first display device. The parameters can include a resolution in pixels per inch and a fill factor for the display device. The system can also be used to provide a visual indication of how the source image would appear when displayed on the second display device under varying lighting conditions and viewing angles.

    摘要翻译： 一种用于生成和提供模拟图像的系统。 基于源图像和第一显示装置的第一参数，系统在具有第二参数的第二显示装置上生成并显示模拟图像。 第一参数与第二参数不同，并且显示在第二显示设备上的模拟图像提供当在第一显示设备上显示时源图像将如何出现的可视指示。 参数可以包括每英寸像素的分辨率和显示设备的填充因子。 该系统还可用于提供当在变化的照明条件和视角下在第二显示装置上显示时源图像将如何出现的可视指示。

    Methods of making wire grid optical elements by preferential deposition of material on a substrate
    10.
    发明授权
    Methods of making wire grid optical elements by preferential deposition of material on a substrate 失效
    通过在衬底上优先沉积材料制造线栅光学元件的方法

    公开(公告)号：US06391528B1

    公开(公告)日：2002-05-21

    申请号：US09542256

    申请日：2000-04-03

    申请人： Robert S. Moshrefzadeh ,  Patrick A. Thomas

    发明人： Robert S. Moshrefzadeh ,  Patrick A. Thomas

    IPC分类号： G02B530

    CPC分类号： G02B5/3058 ,  G02B5/1857 ,  G03H2001/026

    摘要： A method for making wire grid optical elements by preferentially depositing material on a substrate is disclosed. Material can be preferentially deposited by directing an electromagnetic interference pattern on to a substrate to selectively heat areas of the substrate coincident with the interference pattern maxima. The substrate can then be exposed to gas phase material that is capable of preferentially accumulating on surfaces based on surface temperature.

    摘要翻译： 公开了一种通过在衬底上优先沉积材料来制造线栅光学元件的方法。 可以通过将电磁干扰图案引导到基板上来选择性地加热与干涉图案最大值一致的基板的区域来优先沉积材料。 然后可以将基底暴露于能够基于表面温度优先积累在表面上的气相材料。