Patent ID: 11891571
Assignee: LG CHEM, LTD.
Field: Optics (Instruments)
Classification: CPC C  G  B | IPC B  C  G

Claim 6:
7. The electrochromic composite of claim 1, wherein Ar1 and Ar2 are the same as or different from each other, and each independently has a structure selected from:, wherein:
c and d are an integer of 1 to 4;
when c and d are 2 or greater, structures in the two or more parentheses are the same as or different from each other; and
each R15 to R20 are the same as or different from each other, and each independently is hydrogen, deuterium, a halogen group, a nitrile group, a nitro group, an imide group, an amide group, a hydroxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthioxy group, a substituted or unsubstituted arylthioxy group, a substituted or unsubstituted alkylsulfoxy group, a substituted or unsubstituted arylsulfoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted alkylamine group, a substituted or unsubstituted aralkylamine group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted heteroarylamine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group.