| CPC C09K 9/02 (2013.01) [G02F 1/1516 (2019.01); C09K 2211/1029 (2013.01); G02F 1/161 (2013.01)] | 15 Claims |

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1. An electrochromic composition, comprising:
a first oxidizable compound;
a reducible compound;
an electrolyte; and
a solvent,
wherein the first oxidizable compound is represented by the following formula:
![]() wherein X1, and X2 are independently substituted or unsubstituted aliphatic hydrocarbon groups, or substituted or unsubstituted aromatic hydrocarbon groups, wherein the aromatic hydrocarbon groups comprise:
![]() wherein each Rx is independently hydrogen, a C1-C16 alkyl group, a C1-C16 alkoxy group, a C1-C16 haloalkyl group, or halogen.
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