Coating Composition, Organic Light-Emitting Diode Using Same And Method For Preparing Same

A coating composition comprising:

• a compound represented by the following Chemical Formula 1;
• and
• an ionic compound comprising an anion group represented by the following Chemical Formula 10:
• wherein, in Chemical Formula 1,
• L and L1 to L4 are the same as or different from each other, and each independently a substituted or unsubstituted arylene group;
• Ar1 and Ar2 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heteroaryl group;
• R1 to R4 are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heteroaryl group;
• Y1 to Y4 are the same as or different from each other, and each independently —(R201)s;
• or —X-A, and two or more of Y1 to Y4 are —X-A;
• R201 is hydrogen;
• deuterium;
• a halogen group;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted aryloxy group;
• s is an integer of 0 to 5, and when s is 2 or greater, two or more R201 s are the same as or different from each other;
• X is O or S;
• A is a functional group crosslinkable by heat or light;
• n1 and n4 are each independently an integer of 0 to 4;
• n2 and n3 are each independently an integer of 0 to 3;
• and
• when n1 to n4 are each 2 or greater, R1s, R2s, R3s and R4s are each the same as or different from each other,
• in Chemical Formula 10,
• at least one of Rc1 to Rc20 is F, a cyano group, or a substituted or unsubstituted fluoroalkyl group;
• at least one of the remaining Rc1 to Rc20 is a functional group crosslinkable by heat or light;
• the remaining Rc1 to Rc20 if available are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a nitro group;
• —C(O)R100;
• —OR101;
• —SR102;
• —SO3R103;
• —COOR104;
• —OC(O)R105;
• —C(O)NR106R107;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted fluoroalkyl group;
• a substituted or unsubstituted alkenyl group;
• a substituted or unsubstituted alkynyl group;
• a substituted or unsubstituted amine group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heterocyclic group;
• and
• R100 to R107 are the same as or different from each other, and each independently hydrogen;
• deuterium;
• or a substituted or unsubstituted alkyl group.