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    • 10. 发明授权
    • Light control device
    • 灯光控制装置
    • US06398370B1
    • 2002-06-04
    • US09713066
    • 2000-11-15
    • Raymond C. ChiuGary E. GaidesPaul E. HumpalKoichi Sano
    • Raymond C. ChiuGary E. GaidesPaul E. HumpalKoichi Sano
    • G02B2700
    • G02B5/003G02F1/133524Y10T428/2457Y10T428/24612
    • A light control device is disclosed that includes a two film construction, each film having a plurality of light absorbing regions. For example, the light absorbing elements can be a series of grooves or column-like indentations in the films that are filled or coated with a light absorbing material. The two films can be adjacently disposed so that their respective light absorbing regions form a plurality of light absorbing elements that extend along the thickness direction of the device. The light absorbing elements allow a viewer to view an image through the light control device within a range of viewing angles while blocking a view of the image outside that range of viewing angles. The two film construction allows for relative ease of manufacture as well as the ability to form light absorbing elements that can provide better viewing uniformity throughout a typical viewing range, a sharp privacy viewing cut off, and reduced ghost image formation.
    • 公开了一种包括两个膜结构的光控制装置,每个膜具有多个光吸收区域。 例如,光吸收元件可以是填充或涂覆有光吸收材料的膜中的一系列凹槽或柱状凹陷。 两个膜可以相邻地设置,使得它们各自的光吸收区域形成沿着装置的厚度方向延伸的多个光吸收元件。 光吸收元件允许观看者在视角范围内通过光控制装置观看图像,同时阻挡在该范围的视角之外的图像的视图。 两个胶片结构允许相对容易的制造以及形成光吸收元件的能力,其可以在典型的观看范围内提供更好的观看均匀性,锐利的隐私观看切断和减少的重影图像形成。