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    • 62. 发明授权
    • 강화된 실효굴절률 내부전반사 이미지 디스플레이 및이미지 디스플레이 방법
    • 강화된실효굴절률내부전반사이미지디스플레이및이미지디스플레방
    • KR100466583B1
    • 2005-01-15
    • KR1020027016450
    • 2001-05-23
    • 더 유니버시티 오브 브리티쉬 콜롬비아
    • 론에이.화이트헤드
    • G02B27/10
    • G02B5/045G02F1/167G02F1/195G02F2203/026
    • The invention provides an image display for viewing images in a preferred viewing direction. The display has parallel, macroscopically planar, structured surface, non-light absorptive light deflecting and reflecting portions which are longitudinally symmetrical in mutually perpendicular directions, both of which are perpendicular to the preferred viewing direction. A liquid containing a plurality of movable members contacts the light reflecting portion. A controller applies an electromagnetic force to selectively move the members into an evanescent wave region adjacent the light reflecting portion to frustrate TIR of light rays at selected points on the light reflecting portion. The structured surfaces on the light deflecting portion deflect light rays incident in the preferred viewing direction toward the light reflecting portion by imparting to the rays a directional component in the direction of longitudinal symmetry of the light reflecting portion. The structured surfaces on the light reflecting portion totally internally reflect the deflected light rays toward the light deflecting portion at points other than the selected points at which TIR is frustrated. Then, the structured surfaces on the light deflecting portion again deflect the totally internally reflected light rays, cancelling the directional component therefrom, such that the deflected totally internally reflected light rays emerge from the display in a direction substantially parallel to the preferred viewing direction.
    • 本发明提供了一种用于在优选观看方向观看图像的图像显示器。 显示器具有平行的,宏观平面的,结构化的表面,在相互垂直的方向上纵向对称的非光吸收性光偏转和反射部分,两者都垂直于优选的观看方向。 包含多个可动构件的液体接触光反射部。 控制器施加电磁力以选择性地将构件移动到邻近光反射部分的渐逝波区域,以阻止光反射部分上的选定点处的光线的TIR。 光偏转部分上的结构化表面通过赋予光线在光反射部分的纵向对称方向上的方向分量而将在优选观看方向上入射的光线朝向光反射部分偏转。 光反射部分上的结构化表面在TIR被遏制的选定点以外的点处将偏转的光线全内反射向光偏转部分。 然后,光偏转部分上的结构化表面再次偏转全内反射光线,从而消除其中的方向分量,使得偏转的全内反射光线在基本上平行于优选观看方向的方向上从显示器出现。