申请人:Essilor International
公开号:US20180194995A1
公开(公告)日:2018-07-12
Electrochromic compounds and optical articles containing them The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
电致变色化合物及含有它们的光学器件。本发明涉及一组新颖的电致变色化合物。更具体地,它涉及包含一个或多个吡啶环的电致变色化合物,以及将这些化合物用作制造光学器件(如眼镜镜片)的可变透射介质。