;In the above general formula (1), each of X1, X2, X3 and X4 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 6, a halogen atom, a hydroxyl group, a nitro group, a cyano group, or a methylsulfonyl group. In the present invention, it is preferred that each of X1, X2, X3 and X4 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 6, or a halogen atom. In the present invention, it is also preferred that the nonlinear optical dye has a dipole moment of 2.1 D or less and a maximum absorption wavelength within a range of 315 to 360 nm."/>
公开/公告号US9902858B2
专利类型
公开/公告日2018-02-27
原文格式PDF
申请/专利权人 TOYO KOHAN CO. LTD.;
申请/专利号US201615134802
发明设计人 SAKIKO MIURA;
申请日2016-04-21
分类号G11B7/24;G03H1/02;C09B51/00;G02F1/361;G11B7/24044;G11B7/246;G02B1/04;C09B29/44;
国家 US
入库时间 2022-08-21 12:55:42