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    DIRECTIONAL POLARIZATION PRESERVING SCREEN
    1.
    发明公开
    DIRECTIONAL POLARIZATION PRESERVING SCREEN 审中-公开
    DIREKTIONALER POLARISATIONSHALTENDER BILDSCHIRM

    公开(公告)号：EP3014356A1

    公开(公告)日：2016-05-04

    申请号：EP14818642.2

    申请日：2014-06-30

    申请人： RealD Inc. ,  Coleman, David A. ,  Sharp, Gary D.

    发明人： COLEMAN, David A. ,  SHARP, Gary D.

    IPC分类号： G03B21/56 ,  H04N5/74

    CPC分类号： G03B21/60 ,  G03B21/604

    摘要： A directional polarization preserving front projection screen may be preferably produced using an engineered surface. Unlike statistical surfaces, engineered surfaces may provide locally specular reflections, with little to no bulk scatter, while substantially eliminating features smaller than a wavelength of illumination and thus true depolarization. Most, if not all, contours contributing to the slope probability density can be engineered to achieve a desired macroscopic gain profile. The screen may diffuse light by using locally specular reflections, in which a bias angle introduced to the gain profile of the screen may be determined by the slope of the ramps, and with resets that may be substantially hidden from projector illumination.

    摘要翻译： 可以优选地使用工程表面来制造定向偏振保留前投影屏幕。 与统计表面不同，工程表面可以提供局部镜面反射，几乎没有或没有散射散射，同时基本上消除小于照明波长的特征，从而真正去极化。 大多数（如果不是全部），可以设计有助于斜率概率密度的轮廓以实现期望的宏观增益分布。 屏幕可以通过使用局部镜面反射来漫射光，其中引入到屏幕的增益曲线的偏置角可以由斜面的斜率确定，并且可以基本上隐藏投影仪照明的复位。

    HIGH ELASTIC MODULUS PROJECTION SCREEN SUBSTRATES
    3.
    发明公开
    HIGH ELASTIC MODULUS PROJECTION SCREEN SUBSTRATES 审中-公开
    PROJEKTIONSSCHIRMSUBSTRATE MIT HOHEMELASTIZITÄTSMODUL

    公开(公告)号：EP2893396A1

    公开(公告)日：2015-07-15

    申请号：EP13834554.1

    申请日：2013-09-06

    申请人： RealD Inc.

    发明人： SHARP, Gary D. ,  CURTIS, Kevin R. ,  COLEMAN, David A.

    IPC分类号： G03B21/56

    CPC分类号： G03B21/562 ,  G02B27/48 ,  G03B21/56 ,  G03B21/60 ,  G03B21/606

    摘要： A stiffening strip at selected edges of a screen may enable the use and mounting of a high-elastic modulus substrate screen material. Such screen materials may be engineered to provide polarization-preserving characteristics, and be applied to or part of the high-elastic modulus substrate. Furthermore, the stiffening strip may enable the use of screen vibration techniques to reduce speckle in display applications that use projection screens, particularly those display applications using illumination sources prone to speckle such as laser-based projection. The screen vibration may be provided by a vibrating device attached to the stiffening strip.

    摘要翻译： 在屏幕的选定边缘处的加强条可以使得能够使用和安装高弹性模量的基底屏幕材料。 这样的筛网材料可以被设计成提供偏振保持特性，并且被施加到高弹性模量基底的一部分上。 此外，加强条可以使用屏幕振动技术来减少使用投影屏幕的显示器应用中的斑点，特别是那些使用容易发生斑点的照明源（例如基于激光的投影）的显示应用。 屏幕振动可以由附接到加强条的振动装置提供。

    POLARIZATION PRESERVING FRONT PROJECTION SCREEN
    4.
    发明公开
    POLARIZATION PRESERVING FRONT PROJECTION SCREEN 审中-公开

    公开(公告)号：EP3267251A1

    公开(公告)日：2018-01-10

    申请号：EP17173037.7

    申请日：2009-01-28

    申请人： RealD Inc.

    发明人： COLEMAN, David A. ,  SHARP, Gary D.

    IPC分类号： G03B21/60 ,  G03B35/16 ,  G03B35/26 ,  G02B27/26

    CPC分类号： G03B21/60 ,  F16H21/14 ,  G02B27/26 ,  G03B35/16 ,  G03B35/26 ,  Y10T74/18232 ,  Y10T428/24802

    摘要： Polarization preserving front projection screens and diffusers provide optimum polarization preservation for stereoscopic 3D viewing, as well as improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed screens direct light from a projector toward viewers within a diffusion locus, while maintaining optimum gain characteristics. More specifically, light incident on a region of the front projection screen from a predetermined projection direction is reflected by an engineered surface to a predetermined diffusion locus after undergoing substantially single reflections. The engineered surface, comprised of generating kernels, is used to optimally diffuse illumination light into a range of viewing angles, within the diffusion locus, with suitable gain profile, while optimally preserving polarization for 3D applications. Such a screen, when combined with matched polarization analyzing eyewear, provides extremely low cross-talk from any observation point.

    STRAIN RELIEVED MOUNTING METHOD AND APPARATUS FOR SCREEN MATERIAL
    5.
    发明公开
    STRAIN RELIEVED MOUNTING METHOD AND APPARATUS FOR SCREEN MATERIAL 审中-公开
    为筛选材料电压缓解组件的方法和装置

    公开(公告)号：EP3105635A1

    公开(公告)日：2016-12-21

    申请号：EP15748640.8

    申请日：2015-02-11

    申请人： RealD Inc.

    发明人： FAST, Harrison ,  COLEMAN, David A. ,  DILULLO, Mark

    IPC分类号： G03B21/56 ,  G02B27/22 ,  H04N13/04

    摘要： A method of mounting screen material may include a screen mounted to a frame at multiple mounting points. One embodiment may include mounting patches attached along the perimeter of the screen. These mounting patches may be strain relieved in order to enable rolling the screen without sacrificing the in-plane rigidity of the patches when the screen is mounted to a frame. Stated differently, the strain relieved patches may reduce the strain on the screen in the circumstance the screen is rolled onto a core. The mounting patches may be strain relieved by locating notches or slits in the mounting patch.