Heterocyclic compound and electronic apparatus

1. An electronic apparatus comprising:

a substrate;

an organic light-emitting device on the substrate; and

a thin film encapsulation portion sealing the organic light-emitting device,

wherein the thin film encapsulation portion comprises an ultraviolet (UV) stabilizing mixture,

the thin film encapsulation portion comprises at least one organic film,

the at least one organic film comprises a first organic film,

the first organic film comprises the UV stabilizing mixture and a matrix resin, and

the UV stabilizing mixture comprises a UV absorbent and a radical scavenger,

wherein (i) the thin film encapsulation portion comprises the first organic film, a second organic film, and a first inorganic film, and the first organic film, the first inorganic film, and the second organic film are sequentially stacked from the organic light-emitting device, or (ii) the thin film encapsulation portion comprises a first inorganic film, a second inorganic film and the first organic film, and the first inorganic film, the first organic film, and the second inorganic film are sequentially stacked from the organic light-emitting device,

wherein the radical scavenger does not include bis-(2,2,6,6-tetramethyl-4-piperidyl)sebacate,

wherein an amount of the UV stabilizing mixture is in a range of about 3 parts by weight to about 10 parts by weight based on 100 parts by weight of the first organic film, and

the matrix resin consists of at least one selected from a a vinyl-based resin, an epoxy-based resin, a urethane-based resin, a cellulose resin, a perylene-based resin, and an imide-based resin.

2. The electronic apparatus of claim 1 , wherein:

the UV absorbent comprises at least one UV-absorbing compound selected from a benzophenone-containing compound, a benzoquinone-containing compound, an anthraquinone-containing compound, a xanthone-containing compound, a benzotriazine-containing compound, a benzotriazinone-containing compound, a benzotriazole-containing compound, a benzoate-containing compound, a cyanoacrylate-containing compound, a triazine-containing compound, an oxanilide-containing compound, a salicylate-containing compound, and a pyrene-containing compound, each substituted with a hydroxyl group.

3. The electronic apparatus of claim 2 , wherein:

the UV-absorbing compound is represented by one formula selected from Formulae A1-1 to A1-3:

wherein, in Formulae A1-1 to A1-3,

CY 1 and CY 2 are each independently selected from a benzene group, a naphthalene group, an anthracene group, a pyrene group, and a phenanthrene group,

R 1 and R 2 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 60 cyclo alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, Si(Q 1 )(Q 2 )(Q 3 ), —N(Q 1 )(Q 2 ), —B(Q 1 )(Q 2 ), —C(═O)(Q 1 ), —S(═O) 2 (Q 1 ), and —P(═O)(Q 1 )(Q 2 ),

R 1 and R 2 are optionally linked to form a —(Y 1 ) k1 — linking group,

Y 1 is —O—, —S—, or —C(═O)—,

k1 is an integer from 1 to 3,

one of Y 2 and Y 3 is N and the other thereof is a single bond, a double bond, or —C(═O)—,

R 10 , R 20 , R 30 , and R 40 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 60 cyclo alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, Si(Q 1 )(Q 2 )(Q 3 ), —N(Q 1 )(Q 2 ), —B(Q 1 )(Q 2 ), —C(═O)(Q 1 ), —S(═O) 2 (Q 1 ), and —P(═O)(Q 1 )(Q 2 ),

a10 is an integer from 1 to 18,

a20 is an integer from 1 to 4,

a30 is an integer from 1 to 5,

a40 is an integer from 1 to 4,

at least one of R 10 (s) in the number of a10 is a hydroxyl group,

at least one of R 20 (s) in the number of a20 is a hydroxyl group,

at least one of R 30 (s) in the number of a30 is a hydroxyl group,

at least one substituent of the substituted C 1 -C 60 alkyl group, the substituted C 2 -C 60 alkenyl group, the substituted C 2 -C 60 alkynyl group, the substituted C 1 -C 60 alkoxy group, the substituted C 3 -C 60 cyclo alkoxy group, the substituted C 3 -C 10 cycloalkyl group, the substituted C 1 -C 10 heterocycloalkyl group, the substituted C 3 -C 10 cycloalkenyl group, the substituted C 1 -C 10 heterocycloalkenyl group, the substituted C 6 -C 60 aryl group, the substituted C 6 -C 60 aryloxy group, the substituted C 6 -C 60 arylthio group, the substituted C 1 -C 60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is selected from:

deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, and a C 3 -C 60 cyclo alkoxy group;

a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, and a C 3 -C 60 cyclo alkoxy group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 3 -C 10 cycloalkyl group, a heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 11 )(Q 12 )(Q 13 ), —N(Q 11 )(Q 12 ), —B(Q 11 )(Q 12 ), —C(═O)(Q 11 ), —S(═O) 2 (Q 11 ), and —P(═O)(Q 11 )(Q 12 );

a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group;

a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 3 -C 60 cyclo alkoxy group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 21 )(Q 22 )(Q 23 ), —N(Q 21 )(Q 22 ), —B(Q 21 )(Q 22 ), —C(═O)(Q 21 ), —S(═O) 2 (Q 21 ), and —P(═O)(Q 21 )(Q 22 ); and

—Si(Q 31 )(Q 32 )(Q 33 ), —N(Q 31 )(Q 32 ), —B(Q 31 )(Q 32 ), —C(═O)(Q 31 ), —S(═O) 2 (Q 31 ), and —P(═O)(Q 31 )(Q 32 ), and

Q 1 to Q 3 , Q 11 to Q 13 , Q 21 to Q 23 , and Q 31 to Q 33 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 3 -C 60 cyclo alkoxy group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryl group substituted with a C 1 -C 60 alkyl group, a C 6 -C 60 aryl group substituted with a C 6 -C 60 aryl group, a terphenyl group, a C 1 -C 60 heteroaryl group, a C 1 -C 60 heteroaryl group substituted with a C 1 -C 60 alkyl group, a C 1 -C 60 heteroaryl group substituted with a C 6 -C 60 aryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group.

4. The electronic apparatus of claim 3 , wherein:

the UV-absorbing compound is represented by one formula selected from Formulae A2-1 to A2-9:

wherein, in Formulae A2-1 to A2-9,

R 3 , R 4 , and R 11 to R 18 are the same as described in connection with R 10 in claim 3 ,

a16 is 1, 2, 3, or 4,

b16 is 1 or 2,

b17 is 1, 2, 3, or 4,

c15 is 1 or 2,

c16 is 1, 2, or 3,

c17 is 1 or 2,

R 21 to R 24 are the same as described in connection with R 20 in claim 3 ,

R 31 to R 35 are the same as described in connection with R 30 in claim 3 ,

R 41 to R 44 are the same as described in connection with R 40 in claim 3 , and

at least one of R 11 to R 18 , at least one of R 21 to R 24 , and at least one of R 31 to R 35 are each a hydroxyl group.

5. The electronic apparatus of claim 1 , wherein:

the UV absorbent absorbs light of a wavelength of about 280 nm to about 430 nm.

6. The electronic apparatus of claim 1 , wherein:

the radical scavenger comprises at least one radical-scavenging compound, and

the at least one radical-scavenging compound is selected from a phenol-containing compound, a hindered amine-containing compound, and a phenylenediamine-containing compound.

7. The electronic apparatus of claim 1 , wherein:

the radical scavenger comprises at least one compound selected from compounds represented by Formulae A4-1 to A4-3:

wherein, in Formulae A4-1 to A4-3,

ring Ar 1 is a benzene ring or a naphthalene ring,

L 10 and L 20 are each independently —O—, —S—, S(═O) 2 —, —C(═O)—, —C(═O)O—, —C(═O)NH—, a C 1 -C 30 hydrocarbon group, a C 5 -C 60 carbocyclic group, or a C 2 -C 30 heterocyclic group,

m10 and m20 are each independently an integer from 0 to 5,

when m10 is two or more, two or more L 10 (s) are identical to or different from each other, and when m10 is 0, L 10 is a single bond,

when m20 is two or more, two or more L 20 (s) are identical to or different from each other, and when m20 is 0, L 20 is a single bond,

R 50 , R 51 , R 60 , R 61 , R 62 , and R 70 to R 74 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 60 cyclo alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, Si(Q 1 )(Q 2 )(Q 3 ), —N(Q 1 )(Q 2 ), —B(Q 1 )(Q 2 ), —C(═O)(Q 1 ), —S(═O) 2 (Q 1 ), and —P(═O)(Q 1 )(Q 2 ),

a50 is an integer from 1 to 6,

a60 is an integer from 1 to 4,

a70 is an integer from 1 to 4,

when a50 is two or more, two or more R 50 (s) are identical to or different from each other,

when a60 is two or more, two or more R 60 (s) are identical to or different from each other,

when a70 is two or more, two or more R 70 (s) are identical to or different from each other,

at least one substituent of the substituted C 1 -C 60 alkyl group, the substituted C 2 -C 60 alkenyl group, the substituted C 2 -C 60 alkynyl group, the substituted C 1 -C 60 alkoxy group, the substituted C 3 -C 60 cyclo alkoxy group, the substituted C 3 -C 10 cycloalkyl group, the substituted C 1 -C 10 heterocycloalkyl group, the substituted C 3 -C 10 cycloalkenyl group, the substituted C 1 -C 10 heterocycloalkenyl group, the substituted C 6 -C 60 aryl group, the substituted C 6 -C 60 aryloxy group, the substituted C 6 -C 60 arylthio group, the substituted C 1 -C 60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is selected from:

deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, and a C 3 -C 60 cyclo alkoxy group;

a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, and a C 3 -C 60 cyclo alkoxy group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 3 -C 10 cycloalkyl group, a heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 11 )(Q 12 )(Q 13 ), —N(Q 11 )(Q 12 ), —B(Q 11 )(Q 12 ), —C(═O)(Q 11 ), —S(═O) 2 (Q 11 ), and —P(═O)(Q 11 )(Q 12 );

a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group;

a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 3 -C 60 cyclo alkoxy group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 21 )(Q 22 )(Q 23 ), —N(Q 21 )(Q 22 ), —B(Q 21 )(Q 22 ), —C(═O)(Q 21 ), —S(═O) 2 (Q 21 ), and —P(═O)(Q 21 )(Q 22 ); and

—Si(Q 31 )(Q 32 )(Q 33 ), —N(Q 31 )(Q 32 ), —B(Q 31 )(Q 32 ), —C(═O)(Q 31 ), —S(═O) 2 (Q 31 ), and —P(═O)(Q 31 )(Q 32 ), and

Q 1 to Q 3 , Q 11 to Q 13 , Q 21 to Q 23 , and Q 31 to Q 33 are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 3 -C 60 cyclo alkoxy group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryl group substituted with a C 1 -C 60 alkyl group, a C 6 -C 60 aryl group substituted with a C 6 -C 60 aryl group, a terphenyl group, a C 1 -C 60 heteroaryl group, a C 1 -C 60 heteroaryl group substituted with a C 1 -C 60 alkyl group, a C 1 -C 60 heteroaryl group substituted with a C 6 -C 60 aryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group, and a terphenyl group.

8. The electronic apparatus of claim 7 , wherein:

the radical scavenger comprises at least one compound selected from compounds represented by Formulae A5-1 to A5-4:

wherein, in Formulae A5-1 to A5-4,

R 51 to R 53 , R 61 to R 66 , and R 71 to R 76 are each independently selected from:

deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 20 alkyl group, and a C 1 -C 20 alkoxy group; and

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C 1 -C 20 alkyl group, a C 3 -C 10 cycloalkyl group, a C 1 -C 20 alkoxy group, a C 3 -C 20 cyclo alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a fluorenyl group, a spiro-bifluorenyl group, a benzofluorenyl group, a dibenzofluorenyl group, a phenanthrenyl group, an anthracenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a carbazolyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, a furanyl group, a benzofuranyl group, a dibenzofuranyl group, a thiophenyl group, a benzothiophenyl group, a dibenzothiophenyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, and a triazinyl group, and

L 10 and L 20 are the same as described in claim 7 .

9. The electronic apparatus of claim 1 , wherein:

an amount of the radical scavenger is in a range of about 0.5 parts by weight to about 20 parts by weight based on 100 parts by weight of the UV absorbent.

10. The electronic apparatus of claim 1 , wherein:

the first organic film has a transmittance of about 80% or more with respect to light having a wavelength of about 430 nm or more, and has a transmittance of about 10% or less with respect to light having a wavelength of about 405 nm or less.

11. The electronic apparatus of claim 1 , wherein:

when the first organic film is exposed to light in an amount of about 52,000 Wh/m 2 , a change in transmittance with respect to light having a wavelength of about 400 nm to about 410 nm is less than about 5%.

12. The electronic apparatus of claim 1 , wherein:

a thickness of the first organic film is in a range of about 10 nm to about 20 μm.

13. An electronic apparatus comprising:

a substrate;

an organic light-emitting device on the substrate; and

a thin film encapsulation portion sealing the organic light-emitting device,

wherein the thin film encapsulation portion comprises an ultraviolet (UV) stabilizing mixture,

the thin film encapsulation portion comprises at least one organic film, the at least one organic film comprises a first organic film,

the first organic film comprises the UV stabilizing mixture and a matrix resin, and the UV stabilizing mixture comprises a UV absorbent and a radical scavenger,

wherein the thin film encapsulation portion comprises a first inorganic film, a second inorganic film and the first organic film, and the first inorganic film, the first organic film, and the second inorganic film are sequentially stacked from the organic light-emitting device,

wherein the radical scavenger does not include bis-(2,2,6,6-tetramethyl-4-piperidyl)sebacate,

wherein an amount of the UV stabilizing mixture is in a range of about 3 parts by weight to about 10 parts by weight based on 100 parts by weight of the first organic film, and

the matrix resin consists of at least one selected from an acryl-based resin, a methacryl-based resin, an isoprene-based resin, a vinyl-based resin, an epoxy-based resin, a urethane-based resin, a cellulose resin, a perylene-based resin, an imide-based resin, and a silicone-based resin.