Ink Composition, Organic Light-Emitting Device Using Same, and Manufacturing Method therefor

An ink composition comprising:

• a compound represented by the following Chemical Formula 1;
• a first solvent represented by the following Chemical Formula 2;
• and
• a second solvent represented by the following Chemical Formula 3:
• wherein, in Chemical Formula 1,
• R1 to R8 are the same as or different from each other, and are each independently hydrogen;
• deuterium;
• a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted aryl group;
• a substituted or unsubstituted aryloxy group;
• a substituted or unsubstituted diarylamino group;
• a substituted or unsubstituted siloxane group;
• or a substituted or unsubstituted silyl group,
• Ar1 and Ar2 are the same as or different from each other, and are each independently a direct bond;
• or a substituted or unsubstituted arylene group,
• Ar3 and Ar4 are the same as or different from each other, and are each independently a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heteroaryl group,
• in Chemical Formula 2,
• A1 and A2 are the same as or different from each other, and each independently a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted cycloalkyl group;
• or a substituted or unsubstituted aryl group,
• p1 is an integer from 0 to 5, and when p1 is 2 or higher, two or more A2's are the same as or different from each other,
• in Chemical Formula 3,
• A3 and A4 are the same as or different from each other, and each independently a substituted or unsubstituted alkyl group;
• a substituted or unsubstituted alkoxy group;
• a substituted or unsubstituted cycloalkyl group;
• or a substituted or unsubstituted aryl group, and
• p2 and p3 are each an integer from 0 to 5, and when p2 and p3 are 2 or higher, two or more substituents in the parenthesis are the same as or different from each other.