发明名称 Lens for spectacles
摘要 A lens for spectacles having at least one side thereof coated with a surface layer in a predetermined pattern so that transparent portions will be left on the lens. The transparent portions should have such an area that the light transmission rate will be larger than a predetermined value. The surface layer may be made of a fluorescent material, a light absorbing material or a light reflecting material. An interface layer such as a light absorbing layer may be interposed between the lens body and the surface layer. A protective layer may be provided on the surface layer. The lens may be made by bonding two half lenses with surface layers sandwiched therebetween.
申请公布号 US4989967(A) 申请公布日期 1991.02.05
申请号 US19890334852 申请日期 1989.04.06
申请人 MATSUDA, RYOJI 发明人 MATSUDA, RYOJI
分类号 G02C7/16;G02C7/10;G02C7/12;G02C11/02 主分类号 G02C7/16
代理机构 代理人
主权项
地址
您可能感兴趣的专利