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热词
    • 80. 发明授权
    • Curved lenses configured to decode three-dimensional content
    • 被配置为解码三维内容的弯曲透镜
    • US08182085B2
    • 2012-05-22
    • US13103037
    • 2011-05-06
    • David A. JohnsonJames Pritts
    • David A. JohnsonJames Pritts
    • G02C7/12
    • G02B5/305G02B27/2228G02C7/12Y10T156/1026
    • Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film or similar type of material laminated with triacetate or similar type material on one or both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to produce a desired circular polarization responsive to specified retardation wavelengths. Thermoforming and press polishing techniques may be used to fabricate/curve the blanks into lenses. The lenses (optical elements) may be used in an injection molding process to add thickness.
    • 构造成解码三维内容的弯曲透镜及其制造方法。 透镜包括在一侧或两侧上与三乙酸酯或类似材料层压的聚乙烯醇偏光膜或类似类型的材料,其中偏振膜具有等于或超过99%的偏振效率和等于或超过35%的透光率百分比, 层叠在与三乙酸酯层叠的聚乙烯醇偏光膜的前表面上的缓凝剂膜(例如降冰片烯共聚物树脂),并对准以响应于指定的延迟波长产生期望的圆形极化。 热成型和压制抛光技术可用于制造/将坯料曲线成镜片。 透镜(光学元件)可以用于注射成型工艺以增加厚度。