Transparent photochromic article including an anti-reflection surface coating
    2.
    发明授权
    Transparent photochromic article including an anti-reflection surface coating 有权
    包含防反射表面涂层的透明光致变色制品

    公开(公告)号:US06175450B1

    公开(公告)日:2001-01-16

    申请号:US09117276

    申请日:1998-11-10

    IPC分类号: G02B110

    摘要: A transparent photochromic article including a transparent substrate including a photochromic material; and an anti-reflection surface coating thereon, produced with a plurality of overlapping layers incorporating, alternatively a first and second material having respectively higher and lower refractive indices, the anti-reflection coating including; a first layer including said first material having an optical thickness of about 20 to 45 nm; a second layer including said second material having an optical thickness of about 25 to 45 nm; a third layer including said first material having an optical thickness of about 220 to 250 nm; and a fourth layer including said second material having an optical thickness of about 95-115 nm.

    摘要翻译: 一种透明光致变色制品,其包括含有光致变色材料的透明基材; 以及其上具有多个重叠层的抗反射表面涂层,所述多个重叠层或者具有分别具有较高和较低折射率的第一和第二材料,所述防反射涂层包括: 包括具有约20至45nm的光学厚度的所述第一材料的第一层; 包括具有约25至45nm的光学厚度的所述第二材料的第二层; 包括具有约220至250nm的光学厚度的所述第一材料的第三层; 以及包括具有约95-115nm的光学厚度的所述第二材料的第四层。