公开(公告)号：US20190389839A1

公开(公告)日：2019-12-26

申请号：US16481026

申请日：2017-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Sangmo KOO ,  Sooyeun KIM ,  Koun PARK ,  Gukhwan AN ,  Sanggeun CHO

IPC: C07D401/14 ,  G02F1/1516 ,  G02F1/155

Abstract: The present invention relates to an electrochromic compound, and an electrochromic composition and an electrochromic device, including the same. The electrochromic compound according to the present invention may achieve excellent black coloring effects and excellent curing characteristics, and thus may be used advantageously in an electrochromic device.