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    • 8. 发明授权
    • Stereoscopic 3D liquid crystal display with graded light guide light extraction features
    • 立体3D液晶显示屏具有分级导光提取功能
    • US08098347B2
    • 2012-01-17
    • US12275586
    • 2008-11-21
    • Robert L. BrottMichael J. SykoraJohn C. SchultzJohn C. Nelson
    • Robert L. BrottMichael J. SykoraJohn C. SchultzJohn C. Nelson
    • G02F1/1335
    • G02B6/0038G02B6/0053G02B6/0061G02B6/0068
    • A backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide having a light emission surface and an opposing light extraction surface, a first side extends between the light emission surface and the light extraction surface, and a second side extends between the light emission surface and the light extraction surface, the second side opposing the first side. A centerline extends parallel to the first side and second side and is equidistant from the first side and the second side. A center elongated prism extends along the centerline and forms a portion of the light extraction surface. A plurality of elongated prisms extend parallel to the center elongated prism wherein the prisms are progressively more canted for each subsequent elongated prism further from the center elongated prism. A plurality of light sources disposed along the first side and the second side.
    • 用于立体3D液晶显示装置的背光源包括具有发光表面和相对的光提取表面的光导,第一侧在发光表面和光提取表面之间延伸,第二侧在发光 表面和光提取表面,第二面与第一面相对。 中心线平行于第一侧和第二侧延伸,并且与第一侧和第二侧等距。 中心细长棱镜沿着中心线延伸并形成光提取表面的一部分。 多个细长棱镜平行于中心细长棱镜延伸,其中棱镜对于每个随后的细长棱镜进一步从中心细长棱镜进一步倾斜。 沿着第一侧和第二侧设置的多个光源。