Patent ID: 7998363

Claim:
A composition for forming a light emitting layer, comprising: light emitting material; and molten salt, wherein the molten salt is represented by Formula 2: where X 1 is a substituted or unsubstituted C 1 -C 10 alkylene group, a substituted or unsubstituted C6-C30 arylene group, a substituted or unsubstituted C1-C20 heteroalkylene group, or a substituted or unsubstituted C4-C30 heteroarylene group; X 2 is sulfonate-based anion, cyanate-based anion, thiocyanate-based anion, or carboxylate-based anion; R 3 , R 4 , R 5 and R 6 are each independently hydrogen, a halogen atom, a carboxyl group, an amino group, a nitro group, a cyano group, a hydroxy group, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 1 -C 20 silicon containing group, a substituted or unsubstituted C 1 -C 20 fluorine containing group, a substituted or unsubstituted C 2 -C 20 alkenyl group, a substituted or unsubstituted C 2 -C 20 alkynyl group, a substituted or unsubstituted C 1 -C 20 heteroalkyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 7 -C 30 arylalkyl group, a substituted or unsubstituted C 5 -C 30 heteroaryl group, or a substituted or unsubstituted C 3 -C 30 heteroarylalkyl group; and n is an integer in a range of 50 to 500.