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    • 8. 发明授权
    • Photochromic optical article comprising a saturated photochromic coating and a film absorbing UV radiation
    • 包含饱和光致变色涂层和吸收UV辐射的膜的光致变色光学制品
    • US08684524B2
    • 2014-04-01
    • US13514770
    • 2010-10-07
    • Samuel ArchambeauChristian BovetJean-Paul CanoAnthony Saugey
    • Samuel ArchambeauChristian BovetJean-Paul CanoAnthony Saugey
    • G02C7/02F21V9/06G02B5/23
    • G03C1/73B29D11/00634C03C17/3405G02B5/23G02C7/102G02C2202/16
    • The invention relates to a photochromic optical article with reduced thermal dependency, comprising: (a) a transparent substrate, (b) a saturated photochromic layer having, in the activated state and at a temperature of 20° C. or greater, a relative transmission factor of less than 1% in the visible range, and (c) an anti-UV coating of plastic material at least partially covering the saturated photochromic layer, the said anti-UV coating containing at least one agent which absorbs UV radiation (anti-UV agent) and is distributed in a pattern consisting of a multitude of points, each having a surface area of less than 0.15 mm 2, the average distance between two neighboring points lying between 0.5 and 2 mm and the ratio of the overall surface area of all the points to the total surface area of the anti-UV coating being such that the relative transmission factor of the optical article in the visible range in the activated state and at 20° C. or greater is at least equal to 5%. The invention also relates to two methods for manufacturing such an optical article.
    • 本发明涉及一种具有降低的热依赖性的光致变色光学制品,其包括:(a)透明基材,(b)饱和光致变色层,其在活化状态和20℃或更高的温度下具有相对透射率 因子在可见光范围内小于1%,(c)至少部分覆盖饱和光致变色层的塑料材料的防紫外线涂层,所述抗紫外线涂层含有至少一种吸收UV辐射的试剂(抗 - 紫外线剂),并且以由多个点组成的图案分布,每个点的表面积小于0.15mm 2,两个相邻点之间的平均距离在0.5至2mm之间,并且总表面积的比率 防紫外线涂层的总表面积的所有点都使得在活性状态和20℃或更高的可见光范围内的光学制品的相对透射系数至少等于5%。 本发明还涉及制造这种光学制品的两种方法。
    • 10. 发明申请
    • PHOTOCHROMIC OPTICAL ARTICLE COMPRISING A SATURATED PHOTOCHROMIC COATING AND A FILM ABSORBING UV RADIATION
    • 包含饱和的光致变色涂层和膜吸收紫外线辐射的光致变色光学件
    • US20120242954A1
    • 2012-09-27
    • US13514770
    • 2010-10-07
    • Samuel ArchambeauChristian BovetJean-Paul CanoAnthony Saugey
    • Samuel ArchambeauChristian BovetJean-Paul CanoAnthony Saugey
    • G02C7/02B05D5/06
    • G03C1/73B29D11/00634C03C17/3405G02B5/23G02C7/102G02C2202/16
    • The invention relates to a photochromic optical article with reduced thermal dependency, comprising: (a) a transparent substrate, (b) a saturated photochromic layer having, in the activated state and at a temperature of 20° C. or greater, a relative transmission factor of less than 1% in the visible range, and (c) an anti-UV coating of plastic material at least partially covering the saturated photochromic layer, the said anti-UV coating containing at least one agent which absorbs UV radiation (anti-UV agent) and is distributed in a pattern consisting of a multitude of points, each having a surface area of less than 0.15 mm 2, the average distance between two neighbouring points lying between 0.5 and 2 mm and the ratio of the overall surface area of all the points to the total surface area of the anti-UV coating being such that the relative transmission factor of the optical article in the visible range in the activated state and at 20° C. or greater is at least equal to 5%. The invention also relates to two methods for manufacturing such an optical article.
    • 本发明涉及一种具有降低的热依赖性的光致变色光学制品,其包括:(a)透明基材,(b)饱和光致变色层,其在活化状态和20℃或更高的温度下具有相对透射率 因子在可见光范围内小于1%,(c)至少部分覆盖饱和光致变色层的塑料材料的防紫外线涂层,所述抗紫外线涂层含有至少一种吸收UV辐射的试剂(抗 - 紫外线剂),并且以由多个点组成的图案分布,每个点的表面积小于0.15mm 2,两个相邻点之间的平均距离在0.5至2mm之间,并且总表面积的比率 防紫外线涂层的总表面积的所有点都使得在活性状态和20℃或更高的可见光范围内的光学制品的相对透射系数至少等于5%。 本发明还涉及制造这种光学制品的两种方法。