Compound for encapsulation film and composition thereof, and film, organic light-emitting device and encapsulation method

A composition comprising:

• a component A, a component B, and a component C;
• wherein the component A comprises a compound for an encapsulation thin film structure shown in chemical structural formula 1:
• where
• A is an alkylamino group having 6 to 12 carbons or an alkoxy-substituted or unsubstituted aromatic group;
• R1 to R4 are same or different, and are alkyl groups having 1 to 6 carbons, or aromatic groups;
• R5 and R6 are same or different alkyl groups having 2 to 6 carbons or groups comprising 1 to 6 alkyl groups and a vinyloxy group;
• R7 and R8 are hydrogen or methyl;
• n1 and n2 are same natural numbers;
• n3 is 1;
• and
• Y1 and Y2 are any one selected from the group consisting of the following chemical structural formulae 3 to 4:
• wherein the component B comprises one or more photocurable and thermocurable acryl-based compounds;
• and
• wherein the component C comprises one or more compounds that generate free radicals and acids upon exposure to light or heat.