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    • 10. 发明申请
    • MULTILAYER FILM COMPRISING MATTE SURFACE LAYER AND ARTICLES
    • 包含表面层和文章的多层膜
    • US20130135750A1
    • 2013-05-30
    • US13698297
    • 2011-08-01
    • Christopher B. Walker, JR.Michael E. LautersJoan M. Noyola
    • Christopher B. Walker, JR.Michael E. LautersJoan M. Noyola
    • G02B27/30G02B5/20
    • G02B27/30G02B5/003G02B5/206G02B5/286
    • Optical films are described comprising a color shifting film comprising a matte surface layer; and light control microstructured layer disposed proximate the color shifting film The optical film may comprise a matte layer disposed on a major surface of the color shifting film and the light control micro structured layer disposed on the color shifting film at an interface that is free of adhesive. Alternatively, the optical film may comprise a film stack comprising a light control film having a light control microstructured layer, a color shifting film, and an adhesive layer between the light control film and color shifting film In some embodiments, the matte layer comprises matte particles. In other embodiments, the matte layer comprises a plurality of microstructures and no greater than 50% of the microstructures comprise embedded matte particles. In some embodiments, the microstructures are substantially free of embedded matte particles.
    • 描述了包括含有无光泽表面层的色移膜的光学膜; 以及设置在色移膜附近的光控微结构层。光学膜可以包括设置在色移膜的主表面上的无光泽层,以及在不含粘合剂的界面处设置在色移膜上的光控微结构层 。 或者,光学膜可以包括膜堆叠,其包括具有光控微结构层的光控制膜,变色膜和在光控膜和变色膜之间的粘合层。在一些实施例中,无光泽层包括无光泽颗粒 。 在其它实施例中,无光泽层包括多个微结构,并且不超过50%的微结构包含嵌入的无光泽颗粒。 在一些实施例中,微结构基本上没有嵌入的磨砂颗粒。