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    • 2. 发明申请
    • ANTIREFLECTION COATING FILM AND ANTIREFLECTION COATING MATERIAL FOR OPTICAL ELEMENT AND OPTICAL ELEMENT
    • 光学元件和光学元件的抗反射涂膜和抗反射涂层材料
    • US20120316265A1
    • 2012-12-13
    • US13578063
    • 2011-02-09
    • Reiko Kubota
    • Reiko Kubota
    • C09D163/00C08K5/06C08K3/22B82Y30/00
    • C09D5/006C08K3/22C08K3/34C09D7/61C09D7/67G02B1/111
    • An antireflection coating film for an optical element is provided on a surface of a substrate of an optical material and includes first particles having a refractive index (nd) of at least 2.2 or more for the d-line and an average particle size of 10 to 70 nm, second particles of at least one of silica and sericite and having an average particle size of 1 to 11 μm, a colorant of an organic substance and soluble in an organic solvent, and a resin, in which the first particle content is in the range of 10% to 35% by weight, and second particle content is in the range of 1% to 11% by weight. The antireflection coating film has a high effect of preventing surface reflection, a high effect of preventing inner-surface reflection, satisfactory absorption of visible light, and low levels of reflection and scattering in the film.
    • 在光学材料的基材的表面上设置用于光学元件的抗反射涂膜,并且包括对于d线具有至少2.2或更大的折射率(nd)的第一颗粒和平均粒径为10至 70nm的二氧化硅和绢云母中的至少一种,平均粒径为1〜11μm的第二粒子,有机物的着色剂,可溶于有机溶剂的树脂,其中第一粒子含量为 10〜35重量%的范围,第二粒子含量在1重量%〜11重量%的范围内。 抗反射涂膜具有防止表面反射,防止内表面反射,令人满意的可见光吸收的效果以及膜中反射和散射低的高效果。
    • 10. 发明申请
    • Antireflection Film for Optical Element, Antireflection Paint, and Optical Element
    • 用于光学元件的防反射膜,抗反射涂料和光学元件
    • US20110244219A1
    • 2011-10-06
    • US13133261
    • 2010-01-28
    • Reiko Kubota
    • Reiko Kubota
    • G02B1/11C08K3/22C08K3/08C09D1/00B32B27/18B82Y30/00
    • G02B1/11G02B27/0018Y10T428/25
    • Provided is an antireflection paint for an optical element, including black primary particles and secondary particles, in which: the black primary particles each have at least a refractive index for a d line (nd) of 2.0 or more; a ratio between a maximum absorptivity of each of the black primary particles for light having a wavelength of 400 nm or more and 700 nm or less and a minimum absorptivity of each of the particles for the light is larger than 0.7; and the black primary particles have a smaller average particle diameter than an average particle diameter of the secondary particles. Such constitution can prevent surface reflection and internal reflection, absorb light in a visible region well, and alleviate an influence on an environment.
    • 本发明提供一种用于光学元件的抗反射涂料,包括黑色一次粒子和二次粒子,其中:黑色一次粒子各自具有至少d线(nd)的折射率2.0以上; 对于具有400nm以上且700nm以下的波长的光的每个黑色一次粒子的最大吸收率与每个用于光的粒子的最小吸收率之间的比率大于0.7; 黑色一次粒子的平均粒径比二次粒子的平均粒径小。 这种结构可以防止表面反射和内部反射,很好地吸收可视区域中的光,并且减轻对环境的影响。