| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrochromic compound coloring as a magenta like color, having a sharp optical absorption spectrum character on coloring, and showing less coloration on discharging, an electrochromic composition and a display device by using the electrochromic compound or electrochromic composition.SOLUTION: A display device includes an electrolyte between a display electrode and an opposite electrode, and forms a display layer including an electrochromic compound expressed by general formula (I) [wherein, Xto Xare each independently H or a monovalent substituent; Land Lare each independently a monovalent substituent; and Aand Bare each independently a monovalent anion]. |
