发明名称 Optical element having light-shielding film
摘要 A light-shielding film for optical element includes at least a resin and a colorant. The light-shielding film for optical element has an average extinction coefficient of 0.03 or more and 0.15 or less as an average of extinction coefficients of the whole light-shielding film for light having wavelengths ranging from 400 to 700 nm.
申请公布号 EP2367031(B1) 申请公布日期 2016.03.30
申请号 EP20110000628 申请日期 2011.01.26
申请人 CANON KABUSHIKI KAISHA 发明人 KUBOTA, REIKO
分类号 G02B1/10;G02B5/00;G02B27/00;G02F1/1335;G02F1/1362 主分类号 G02B1/10
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