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    • 1. 发明申请
    • Optical sheet
    • 光学片
    • US20100097706A1
    • 2010-04-22
    • US12383398
    • 2009-03-24
    • Whey-Bin LORKuang-Lin YUANChia-Chu LIN
    • Whey-Bin LORKuang-Lin YUANChia-Chu LIN
    • G02B5/02
    • G02B5/045
    • An optical sheet is adapted for diffusing and converging light, and includes a light-transmissive base layer, a prism layer, and a plurality of diffusion regions. The base layer has a first surface and a second surface that is opposite to the first surface. The prism layer is provided on the first surface of the base layer and has a plurality of prisms, each of which has a peak and two inclined surfaces that meet at the peak. At least two of the peaks of the prisms are different in height. The diffusion regions are disposed on the inclined surfaces of the prisms. Each of the diffusion regions is in the form of a roughened surface.
    • 光学片适于散射和会聚光,并且包括透光基底层,棱镜层和多个扩散区域。 基层具有与第一表面相对的第一表面和第二表面。 棱镜层设置在基底层的第一表面上,并且具有多个棱镜,每个棱镜具有在峰值处相遇的峰值和两个倾斜面。 棱镜的至少两个峰高度不同。 扩散区域设置在棱镜的倾斜表面上。 每个扩散区域都是粗糙表面的形式。