发明授权
US06999155B2 Polarization rotator, parallax barrier, display and optical modulator
有权
极化旋转器，视差屏障，显示器和光调制器
- 专利标题： Polarization rotator, parallax barrier, display and optical modulator
- 专利标题（中）： 极化旋转器，视差屏障，显示器和光调制器
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申请号： US10603124申请日： 2003-06-24
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公开(公告)号： US06999155B2公开(公告)日： 2006-02-14
- 发明人: Martin David Tillin , Adrian Marc Simon Jacobs
- 申请人： Martin David Tillin , Adrian Marc Simon Jacobs
- 申请人地址： JP Osaka
- 专利权人： Sharp Kabushiki Kaisha
- 当前专利权人： Sharp Kabushiki Kaisha
- 当前专利权人地址： JP Osaka
- 代理机构： Renner, Otto, Boiselle & Sklar, LLP
- 优先权： GB0215057 20020628
- 主分类号： G02F1/139
- IPC分类号： G02F1/139
摘要：
A polarization rotator is provided for rotating the polarization direction of linearly polarized light by any arbitrary angle other than 90°. The device comprises a layer of liquid crystal material disposed between alignment surfaces. In one mode, a 90° twist is induced in the liquid crystal director. An expression is provided for relating the retardation of the layer to the amount of polarization rotation and the angle between the polarization direction of incident light and the alignment direction at the input side of the liquid crystal layer.
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