Photocurable composition and enveloped device including same

A photocurable composition comprising:

• (A) a photocurable monomer;
• (B) a monomer represented by Formula 1 or an oligomer thereof, and
• (C) an initiator;
• wherein Z1 and Z2 are each independently represented by one of Formulae 2 to 4:
• wherein in formulae 2 to 4, * is a binding site to carbon of W;
• R1, R2, and R3 are each independently hydrogen or a substituted or unsubstituted C1 to C5 alkyl group;
• R4, R5, and R6 are each independently a substituted or unsubstituted C1 to C20 alkylene group, or a substituted or unsubstituted C6 to C20 arylene group;
• X1 and X2 are each independently —O—, —S—, or —NR—, in which R is hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• n is an integer from 0 to 20;
• W is a substituted or unsubstituted C1 to C20 aliphatic hydrocarbon group, or a substituted or unsubstituted C6 to C20 aromatic hydrocarbon group;
• X3 is —O—, —S—, or —NR—, in which R is hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• Y is Formula 5 or 6:
• wherein in formula 5, * is a binding site to X3;
• R7, R3, and R9 are each independently hydrogen, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• R10 is a substituted or unsubstituted C1 to C10 alkylene group or a substituted or unsubstituted C6 to C20 arylene group;
• and m is 1, provided that when Y is Formula 5 and Z1 and Z2 are represented by Formula 2, R1 in one of Z1 and Z2 is hydrogen and R1 in the other one of Z1 and Z2 is a substituted or unsubstituted C1 to C5 alkyl group;
• wherein in formula 6, * is a binding site to X3;
• R11 and R12 are each independently a hydroxyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group, wherein at least one of R11 and R12 is a substituted or unsubstituted C1 to C10 alkoxy group;
• and
• R13 is a substituted or unsubstituted C1 to C10 alkylene group, a substituted or unsubstituted C6 to C20 arylene group or a single bond, and
• p is an integer from 1 to 3,
• the (A) photocurable monomer is present in an amount of about 50 parts by weight to about 90 parts by weight, and
• the (B) monomer represented by Formula 1 or an oligomer thereof is present in an amount of about 10 parts by weight to about 50 parts by weight, based on 100 parts by weight of the (A) photocurable monomer+the (B) monomer represented by Formula 1 or an oligomer thereof in terms of solid content.

An encapsulated apparatus comprising:

• a member for the apparatus;
• and
• a barrier stack formed on the member for the apparatus and including an inorganic barrier layer and an organic barrier layer,
• wherein the organic barrier layer includes a cured product of a photocurable composition, the photocurable composition including:
• (A) a photocurable monomer, wherein the photocurable monomer includes one or more of a C1 to C20 alkyl group-containing (meth)acrylate, a C2 to C20 diol di(meth)acrylate, a C3 to C20 triol tri(meth)acrylate, or a C4 to C20 tetraol tetra(meth)acrylate;
• (B) a monomer represented by Formula 1 or an oligomer thereof, and
• (C) an initiator;
• wherein Z1 and Z2 are each independently represented by one of Formulae 2 to 4:
• wherein in formulae 2 to 4, * is a binding site to carbon of W;
• R1, R2, and R3 are each independently hydrogen or a substituted or unsubstituted C1 to C5 alkyl group;
• R4, R5, and R6 are each independently a substituted or unsubstituted C1 to C20 alkylene group, or a substituted or unsubstituted C6 to C20 arylene group;
• X1 and X2 are each independently —O—, —S—, or —NR—, in which R is hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• n is an integer from 0 to 20;
• W is a substituted or unsubstituted C1 to C20 aliphatic hydrocarbon group, or a substituted or unsubstituted C6 to C20 aromatic hydrocarbon group;
• X3 is —O—, —S—, or —NR—, in which R is hydrogen, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• Y is Formula 5 or 6:
• wherein in formula 5, * is a binding site to X3;
• R7, R8, and R9 are each independently hydrogen, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• R10 is a substituted or unsubstituted C1 to C10 alkylene group or a substituted or unsubstituted C6 to C20 arylene group;
• and m is 1;
• wherein in formula 6, * is a binding site to X3;
• R11 and R12 are each independently a hydroxyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group;
• and R13 is a substituted or unsubstituted C1 to C10 alkylene group, a substituted or unsubstituted C6 to C20 arylene group or a single bond;
• and
• p is an integer from 1 to 3,
• the (A) photocurable monomer is present in an amount of about 50 parts by weight to about 90 parts by weight, and
• the (B) monomer represented by Formula 1 or an oligomer thereof is present in an amount of about 10 parts by weight to about 50 parts by weight, based on 100 parts by weight of the (A) photocurable monomer+the (B) monomer represented by Formula 1 or an oligomer thereof in terms of solid content.