发明名称 |
Diimmonium-based component and near infrared absorption filter using same |
摘要 |
Disclosed are a novel diimmonium-based compound that has low light absorption in visible light region and has superior light absorption efficiency in near infrared region, and has superior durability and weatherability, and a near infrared absorption filter using the same. The diimmonium-based compound is represented by the formula 1 of claim 1. |
申请公布号 |
US9158048(B2) |
申请公布日期 |
2015.10.13 |
申请号 |
US201113976600 |
申请日期 |
2011.12.26 |
申请人 |
SK CHEMICALS CO., LTD. |
发明人 |
Kang Ju-Sik;Park Jeong-Ho;Chang Yu-Mi |
分类号 |
C07C251/30;C07F5/04;G02B5/22;G02B5/20 |
主分类号 |
C07C251/30 |
代理机构 |
Heslin Rothenberg Farley & Mesiti P.C. |
代理人 |
Heslin Rothenberg Farley & Mesiti P.C. |
主权项 |
1. A diimmonium-based near infrared absorbing and visible light transmitting compound of formula I in which R1 to R8 independently represent a hydrogen atom (H), a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms or a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, and n is 0 or 1. |
地址 |
Seongnam-Si KR |