Composition, cured product of the composition, display device including the composition, and method of manufacturing the display device

A display device comprising a display panel,

• wherein the display panel comprises:
• a substrate including a first area, a second area, and a bending area connecting the first area to the second area and being bent;
• a first protective layer disposed on at least one portion of an edge of the substrate;
• and
• a second protective layer disposed inside a bent portion of the substrate,
• wherein the first protective layer and the second protective layer comprise a composition including an initiator including a first compound represented by Formula 1 below, a second compound represented by Formula 2 below, and a third compound represented by Formula 3 below, and an acrylic monomer,
• wherein in Formulae 1 to 3,
• A2− is a counter anion,
• A3+ is a counter cation,
• each of R11 to R18, R20 to R29, and R31 to R34 is independently selected from a group consisting of hydrogen (—H), deuterium (-D), fluorine (—F), chlorine (—Cl), bromine (—Br), iodine (—I), a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkenyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkynyl group unsubstituted or substituted with at least one R10a, a C1-C60 alkoxy group unsubstituted or substituted with at least one R10a, a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a, a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a, a C6-C60 aryloxy group unsubstituted or substituted with at least one R10a, a C6-C60 arylthio group unsubstituted or substituted with at least one R10a, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1) and —P(═O)(Q1)(Q2),
• adjacent two or more groups among R11 to R18 are optionally combined to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a,
• adjacent two or more groups among R20 to R29 are optionally combined to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a, and
• adjacent two or more groups among R31 to R34 are optionally combined to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a,
• wherein R10a is selected from a group consisting of:
• deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group or a nitro group;
• a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group, each of which is unsubstituted or substituted with deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group, a nitro group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11) or —P(═O)(Q11)(Q12);
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, or a C6-C60 arylthio group, each of which is unsubstituted or substituted with deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21) or —P(═O)(Q21)(Q22);
• and
• —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), or —P(═O)(Q31)(Q32), and
• wherein each of Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 is independently selected from a group consisting of hydrogen, deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group unsubstituted or substituted with deuterium, fluorine, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group or a biphenyl group, and a C1-C60 heterocyclic group unsubstituted or substituted with deuterium, fluorine, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group or a biphenyl group.

A method of manufacturing a display device, the method comprising:

• disposing a first jig and a mold on the display panel to form a space adjacent to at least one edge of the display panel;
• supplying a composition into the space;
• and
• curing the composition by irradiating light with a peak top wavelength in a range from about 450 nm to about 530 nm,
• wherein the composition includes an initiator including a first compound represented by Formula 1 below, a second compound represented by Formula 2 below, and a third compound represented by Formula 3 below, and an acrylic monomer,
• wherein in Formulae 1 to 3,
• A2− is a counter anion,
• A3+ is a counter cation,
• each of R11 to R18, R20 to R29, and R31 to R34 is independently selected from a group consisting of hydrogen (—H), deuterium (-D), fluorine (—F), chlorine (—Cl), bromine (—Br), iodine (—I), a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkenyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkynyl group unsubstituted or substituted with at least one R10a, a C1-C60 alkoxy group unsubstituted or substituted with at least one R10a, a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a, a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a, a C6-C60 aryloxy group unsubstituted or substituted with at least one R10a, a C6-C60 arylthio group unsubstituted or substituted with at least one R10a, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1) and —P(═O)(Q1)(Q2),
• adjacent two or more groups among R11 to R18 are optionally combined to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a,
• adjacent two or more groups among R20 to R29 are optionally combined to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a, and
• adjacent two or more groups among R31 to R34 are optionally combined to each other to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a,
• wherein R10a is selected from a group consisting of:
• deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group or a nitro group;
• a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group, each of which is unsubstituted or substituted with deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group, a nitro group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11) or —P(═O)(Q11)(Q12);
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, or a C6-C60 arylthio group, each of which is unsubstituted or substituted with deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21) or —P(═O)(Q21)(Q22);
• and
• —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), or —P(═O)(Q31)(Q32), and
• wherein each of Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 is independently selected from a group consisting of hydrogen, deuterium, fluorine, chlorine, bromine, iodine, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group unsubstituted or substituted with deuterium, fluorine, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group or a biphenyl group, and a C1-C60 heterocyclic group unsubstituted or substituted with deuterium, fluorine, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group or a biphenyl group.