[EN] ELECTROCHROMIC COMPOSITION AND ELECTROCHROMIC ELEMENT<br/>[FR] COMPOSITION ÉLECTROCHROMIQUE ET ÉLÉMENT ÉLECTROCHROMIQUE
申请人:CANON KK
公开号:WO2016006204A1
公开(公告)日:2016-01-14
An electrochromic composition has an anodic electrochromic compound and a cathodic electrochromic compound, in which the anodic electrochromic compound is represented by General Formula [1] shown in Claim 1 and the cathodic electrochromic compound is represented by General Formula [2] shown in Claim 1. In General Formula 1, A1 to A4 represent substituents, R1 and R2, and R20 and R21 represent a hydrogen atom or a substituent. n is an integer of 1 to 5. X represents a thiophene derivative and Y- represents an anion.