| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrochromic compound developing a magenta color and reducing coloring when the color is erased, an electrochromic composition coupled or adsorbed with the compound, and a display element using the compound or the composition. <P>SOLUTION: The display element includes an electrolyte 3 between a display electrode 1 and a counter electrode 2, and a display layer 4 containing the electrochromic compound expressed by general formula (1) is formed on a surface in a counter electrode side of the display electrode. In formula, X<SB POS="POST">1</SB>to X<SB POS="POST">12</SB>each represents a hydrogen atom or monovalent group, R<SB POS="POST">1</SB>to R<SB POS="POST">2</SB>each represents a monovalent group, and A<SP POS="POST">-</SP>and B<SP POS="POST">-</SP>each represents a monovalent anion. <P>COPYRIGHT: (C)2013,JPO&INPIT |
