公开(公告)号：US20210324261A1

公开(公告)日：2021-10-21

申请号：US17360831

申请日：2021-06-28

申请人： DONGJIN SEMICHEM CO., LTD

发明人： Young Mi KIM ,  Jong Bok Kim ,  Jong Gyu Baek ,  Joo Cheol Lee ,  Kyu Soon Shin

IPC分类号： C09K9/02 ,  G02F1/1516 ,  G02F1/1523

摘要： Disclosed are an electrochromic device and a manufacturing method therefor. The disclosed electrochromic device may comprise: a first electrochromic layer made of a first electrochromic agent; and a second electrochromic layer located on at least one surface of the first electrochromic layer and made of at least one of a second electrochromic derivative and a second electrochromic agent.