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    • 7. 发明公开
    • 고효율 뷰잉 스크린
    • 高效率浏览画面
    • KR1020050057524A
    • 2005-06-16
    • KR1020057004864
    • 2003-09-22
    • 허니웰 인터내셔널 인코포레이티드
    • 사코마노로버트제이.루강후아
    • G03B21/00G02B5/02G02B13/20B82Y20/00
    • G02B5/0242G02B5/0278G02B5/0284G03B21/56
    • A low-scatter polarization-preserving multilayer viewing screen. A substrate D, preferably a volume diffuser, for increasing the divergence of information-coded-light while preserving its polarization sense A as it passes therethrough has a discrimination of at least 2:1 within a viewing zone. An absorbing polarizer on one or both sides of D and aligned to pass polarization state A. In one embodiment, there is provided a polarization-state phase-shift layer for modifying the polarization state of forward-scatter and/or back-scatter that total internally reflects within the viewing screen into the state opposite of A. The phase-shift layer being located at any position between the polarizer and an outermost surface of the viewing screen through which said information-coded light passes.
    • 低散射偏振保护多层观察屏。 用于增加信息编码光的发散度的基板D,优选地是体积扩散器,同时在其偏振光检测器A通过的同时保持其偏振感光度A在观察区域内具有至少2:1的辨别力。 在D的一侧或两侧上的吸收型偏振器,并对准偏振态A.在一个实施例中,提供了一种偏振态相移层,用于改变前向散射和/或反向散射的偏振态,总共 内部反映在观察屏幕内与A相反的状态。相移层位于偏振器与所述信息编码光通过的观察屏的最外表面之间的任何位置处。