KR20190090415A - Electronic apparatus and method manufacturing the same - Google Patents

Abstract

An electronic apparatus and a method manufacturing the same are disclosed. The electronic apparatus includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation part for sealing the organic light emitting element. The thin film encapsulation part comprises a UV stabilizing mixture. The UV stabilizing mixture comprises a UV absorber and a radical scavenger. It is possible to reduce the amount of ultraviolet light transmitted into the electronic apparatus.

Description

Electronic apparatus and method for manufacturing same

An electronic device including an organic light emitting device and a method of manufacturing the same.

An electronic device including an organic light emitting device includes an organic light emitting device including a hole injection electrode, an electron injection electrode, and an organic light emitting layer formed therebetween. The organic light emitting device is a self-luminous device, and has a wider viewing angle and excellent contrast, fast response time, and excellent luminance, driving voltage, and response speed, as compared with the conventional device. For example, an organic light emitting display device, which is a kind of electronic device including an organic light emitting diode, has an exciton in which an exciton generated by combining holes injected from a hole injection electrode and electrons injected from an electron injection electrode in an organic emission layer ( A self-luminous display device that generates light while falling from an excited state to a ground state.

The organic light emitting display device, which is a self-luminous display device, can be driven at low voltage because it does not need a separate light source, and can be configured in a light and thin shape, and has excellent characteristics such as viewing angle, contrast, and response speed. Applications range from personal handheld devices such as mobile phones and mobile phones to televisions.

Meanwhile, as outdoor use of information equipment such as electronic devices including organic light emitting devices increases, the time for exposure of electronic devices including organic light emitting devices to sunlight is gradually increasing. In addition, the operation of irradiating ultraviolet rays is often required in the process of manufacturing the organic light emitting device. As such, when external ultraviolet light freely penetrates into the organic light emitting device, a light emitting layer including an organic material may be particularly damaged.

In an electronic device such as an organic light emitting diode display, when ultraviolet rays or the like are introduced from the outside of the device, or are introduced in the process of manufacturing the device, and penetrate into the inside of the device, the light emitting layer, the insulating layer, and the like including the organic material may be seriously damaged. .

SUMMARY OF THE INVENTION The present invention has been made to solve various problems including the above problems, and an object of the present invention is to provide an electronic device capable of reducing the amount of ultraviolet rays transmitted into the electronic device. However, these problems are illustrative and do not limit the scope of the present invention.

According to one aspect,

Board;

An organic light emitting device on the substrate; And

It includes a thin film encapsulation for sealing the organic light emitting device,

The thin film encapsulation comprises a UV stabilizing mixture,

The UV stabilizing mixture is provided with an electronic device comprising a UV absorber and a radical scavenger.

According to another aspect,

Forming an organic light emitting device on the substrate; And

And forming a thin film encapsulation part that seals the organic light emitting device on the substrate.

The forming of the thin film encapsulation part includes providing and curing the composition for forming a thin film encapsulation part to cover the organic light emitting device.

The thin film encapsulation composition is formed to include a UV stabilized mixture,

The UV stabilized mixture is provided with a method of manufacturing an electronic device, including a UV absorber and a radical scavenger.

According to one embodiment of the present invention made as described above, it is possible to implement an organic light emitting display device that can prevent the light emitting layer, insulating film, etc., including the organic material from being damaged by ultraviolet rays.

1 and 2 are cross-sectional views schematically illustrating an organic light emitting display device as an example of an electronic device according to an embodiment of the present invention.
3 illustrates transmittance according to an exposure time of a thin film encapsulation unit of an electronic device according to an embodiment and an electronic device according to a comparative example.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention and methods of achieving them will be apparent with reference to the embodiments described in detail below with reference to the drawings. However, the present invention is not limited to the embodiments described below, but may be implemented in various forms.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be denoted by the same reference numerals, and redundant description thereof will be omitted. .

In the following embodiments, when various components such as layers, films, regions, plates, etc. are said to be "on" another component, it is not only when the other components are "on the fly" but also intervening other components therebetween. It also includes the case. Also, for convenience of explanation, the components may be exaggerated or reduced in size. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of explanation, and thus the present invention is not necessarily limited to those shown in the drawings.

In the following embodiments, terms such as first and second are used only for the purpose of distinguishing one component from another component.

In the following embodiments, the x-axis, y-axis, and z-axis are not limited to three axes on the Cartesian coordinate system, and may be interpreted in a broad sense including the same. For example, the x-axis, y-axis, and z-axis may be orthogonal to each other, but may refer to different directions that are not orthogonal to each other.

According to an aspect, An organic light emitting device on the substrate; And a thin film encapsulation sealing the organic light emitting device, wherein the thin film encapsulation includes a UV stabilizing mixture, and the UV stabilizing mixture includes a UV absorber and a radical scavenger.

For example, the electronic device may include a substrate; An organic light emitting diode included in a pixel crystal region on the substrate; And a thin film encapsulation part sealing the organic light emitting device, wherein the thin film encapsulation part may be an electronic device including the heterocyclic compound.

1 is a cross-sectional view schematically illustrating an organic light emitting display device as an embodiment of an electronic device according to an embodiment of the present invention.

Referring to FIG. 1, an organic light emitting diode display 10 according to an exemplary embodiment of the present invention includes a substrate 100, an organic light emitting diode 200, and a thin film encapsulation unit 300.

The substrate 100 may be a substrate commonly used in an organic light emitting diode display, and may be an inorganic substrate or an organic substrate having excellent mechanical strength, thermal stability, transparency, surface smoothness, ease of handling, and waterproofness.

For example, the substrate may be an inorganic substrate made of a transparent glass material containing SiO ₂ as a main component, but is not limited thereto.

For another example, the substrate may be an organic substrate having insulation. The insulating organic material may be, for example, polyethersulphone (PES), polyacrylate (PAR, polyacrylate), polyether imide (PEI, polyetherimide), polyethylene naphthalate (PEN, polyethyelenen napthalate), polyethylene Terephthalate (PET, polyethyeleneterepthalate), polyphenylene sulfide (PPS), polyallylate, polyimide, polycarbonate (PC), cellulose tri acetate (TAC) and cellulose acetate propionate (cellulose acetate propionate: CAP) may be selected from, but is not limited thereto.

The organic light emitting diode 200 is disposed on the substrate 100. The organic light emitting diode 200 may include a first electrode, an intermediate layer including a light emitting layer, and a second electrode.

The first electrode may be formed by, for example, providing a material for the first electrode on the substrate by using a deposition method or a sputtering method. When the first electrode is an anode, the material for the first electrode may be selected from materials having a high work function to facilitate hole injection.

The first electrode may be a reflective electrode, a transflective electrode, or a transmissive electrode. In order to form the first electrode, which is a transmissive electrode, the material for the first electrode is selected from among indium tin oxide (ITO), indium zinc oxide (IZO), tin oxide (SnO ₂ ), zinc oxide (ZnO), and any combination thereof. It may be selected, but is not limited thereto. Alternatively, the first electrode material may be magnesium (Mg), silver (Ag), aluminum (Al), aluminum-lithium (Al-Li), or calcium to form a first electrode that is a transflective electrode or a reflective electrode. (Ca), magnesium-indium (Mg-In), magnesium-silver (Mg-Ag), and any combination thereof, but is not limited thereto.

The first electrode may have a single layer structure as a single layer or a multilayer structure having a plurality of layers. For example, the first electrode may have a three-layer structure of ITO / Ag / ITO, but the present invention is not limited thereto.

An intermediate layer including a light emitting layer may be disposed on the first electrode.

The intermediate layer may further include a hole transport region interposed between the first electrode and the light emitting layer, and an electron transport region interposed between the light emitting layer and the second electrode. It is not limited.

The second electrode is disposed on the intermediate layer. The second electrode may be a cathode, which is an electron injection electrode, wherein the material for the second electrode may be a metal, an alloy, an electrically conductive compound having a low work function, and a combination thereof. have.

The second electrode is lithium (Li), silver (Ag), magnesium (Mg), aluminum (Al), aluminum-lithium (Al-Li), calcium (Ca), magnesium-indium (Mg-In), magnesium -May include at least one selected from (Mg-Ag), ITO, and IZO, but is not limited thereto. The second electrode may be a transmissive electrode, a transflective electrode, or a reflective electrode.

The second electrode may have a single layer structure as a single layer or a multilayer structure having a plurality of layers.

The thin film encapsulation unit 300 is disposed on the organic light emitting diode 200.

The thin film encapsulation unit 300 includes a UV stabilized mixture, and the UV stabilized mixture includes a UV absorber and a radical scavenger.

According to one embodiment, the UV absorber comprises at least one UV absorbing compound, the UV absorbing compound,

Benzophenone-containing compounds, benzoquinone-containing compounds, benzoanthraquinone-containing compounds, xanthone-containing compounds, benzotriazines, substituted with hydroxyl groups -Containing compounds, benzotriazinone-containing compounds, benzotriazole-containing compounds, benzoate-containing compounds, cyanoacrylate-containing compounds, triazine- Containing compounds, oxanilide-containing compounds, salicylate-containing compounds and pyrene-containing compounds.

Examples of the benzophenone-containing compound include 2-hydroxybenzophenone, 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, and 2-hydroxy-4-octylbenzophenone. , 4-dodecyloxy-2-hydroxybenzophenone, 4-benzyloxy-2-hydroxybenzophenone, 2,2 ', 4,4'-tetrahydroxybenzophenone, 2,2'-dihydroxy -4,4'-dimethoxybenzophenone and the like can be included.

The benzoquinone-containing compound may include, for example, 2-hydroxybenzoquinone and the like.

The anthraquinone-containing compound may include, for example, 1-hydroxyanthraquinone, 1,5-hydroxyanthraquinone, 1,8-hydroxyanthraquinone, and the like.

Examples of the benzotriazole-containing compound include 2- (2-hydroxyphenyl) benzotriazole, 2- (5-methyl-2-hydroxyphenyl) benzotriazole and 2- [2-hydroxy- 3,5-bis (α, α-dimethylbenzyl) phenyl] -2H-benzotriazole, 2- (3,5-di-t-butyl-2-hydroxyphenyl) benzotriazole, 2- (3- t-butyl-5-methyl-2-hydroxyphenyl) -5-chlorobenzotriazole, 2- (3,5-di-t-butyl-2-hydroxyphenyl) -5-chlorobenzotriazole, 2 -(3,5-di-t-acyl-2-hydroxyphenyl) benzotriazole, 2- (2'-hydroxy-5'-t-octylphenyl) benzotriazole, and the like.

Examples of the benzoate-containing compound include phenyl 2-hydroxybenzoate, 2,4-di-t-butylphenyl-3 ', 5'-di-t-butyl-4-hydroxybenzoate, and the like. May be included.

Examples of the triazine-containing compound include 2- (4,6-diphenyl-1,3,5-triazin-2-yl) phenol, 2- (4,6-diphenyl-1,3, 5-triazin-2-yl) -5- (hexyl) oxy-phenol, 2- [4-[(2-hydroxy-3-dodecyloxypropyl) oxy] -2-hydroxyphenyl] -4, 6-bis (2,4-dimethylphenyl) -1,3,5-triazine and the like.

The salicylate-containing compound may include, for example, phenyl salicylate, 4-t-butylphenyl salicylate, and the like.

According to one embodiment, the UV absorbing compound may be a compound represented by any one selected from Formula 1-1 to 1-3:

≪ Formula 1-1 >

(1-2)

<Formula 1-3>

In Formulas 1-1 to 1-3,

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

R _10a and R _10b independently of one another are hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, substitution or Unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted Or an unsubstituted C ₃ -C ₆₀ cycloalkoxy 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, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryloxy group, substituted or unsubstituted a C ₆ -C ₆₀ arylthio group, a substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted 1, a non-condensed polycyclic aromatic group, a substituted or unsubstituted One is a non-aromatic heterocyclic condensed polycyclic _{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 ), or

R _10a and R _10b are optionally linked to each other to form _a- (Y ₁ ) _{k 1} -linking group,

Y ₁ is -O-, -S-, or -C (= O)-,

k1 is an integer of 1 to 3,

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

R ₁₀ , R ₂₀ , R ₃₀ and R ₄₀ are each independently of each other hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, Hydrazono group, substituted or unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C _1- C ₆₀ alkoxy group, substituted or unsubstituted C ₃ -C ₆₀ cycloalkoxy group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryl jade 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 1, a non-condensed polycyclic aromatic group, a substituted addition It is unsubstituted 1 non-aromatic heterocyclic condensed polycyclic _{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 of 1 to 18,

a20 is an integer of 1 to 4,

a30 is an integer of 1 to 5,

a40 is an integer of 1 to 4,

at least one of a10 R _{10 's} is a hydroxyl group,

at least one of a20 R ₂₀ is a hydroxyl group,

at least one of a30 R ₃₀ is a hydroxyl group,

The substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₆₀ cycloalkoxy group , Substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted C _6- C ₆₀ aryl group, a substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, a substituted a non-aromatic condensed polycyclic group, and a substituted At least one of the substituents of the monovalent non-aromatic heterocondensed polycyclic group

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, 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 cycloalkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic 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 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 cycloalkoxy group, substituted with at least one selected from among those selected from the group consisting of

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

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalke group, C ₁ -C ₁₀ alkenyl heterocycloalkyl, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C _{6 60} aryl tea come -C, C _{1 60} -C heteroaryl group, a monovalent non- -Aromatic condensed polycyclic group, monovalent non-aromatic heterocondensed polycyclic group, -Si (Q ₂₁ ) (Q ₂₂ ) (Q ₂₃ ), -N (Q ₂₁ ) (Q ₂₂ ), -B (Q ₂₁ ) (Q ₂₂ ), C ₃ -substituted with at least one selected from -C (= 0) (Q ₂₁ ), -S (= 0) ₂ (Q ₂₁ ) and -P (= 0) (Q ₂₁ ) (Q ₂₂ ). C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ hete Roaryl groups, monovalent non-aromatic condensed polycyclic groups, and monovalent non-aromatic condensed polycyclic groups; 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 );

Is selected from,

Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, and No group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group , C ₆ -C ₆₀ aryl group substituted with C ₁ -C ₆₀ alkyl group, C ₆ -C ₆₀ aryl group substituted with C ₆ -C ₆₀ aryl group, terphenyl group, C ₁ -C ₆₀ heteroaryl group, C _1- a C ₁ -C ₆₀ heteroaryl substituted by C ₆₀ alkyl aryl group, a C ₆ -C ₆₀ aryl substituted with C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic heterocyclic fused polycyclic Group, biphenyl group and terphenyl group.

According to one embodiment, in Formulas 1-1 to 1-3, R _10a and R _10b are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, Nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ alkoxy group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₃ -C ₁₀ cycloalkyl group , C ₁ -C ₂₀ alkoxy group, C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluore Neyl group, phenanthrenyl group, anthracenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, carbazolyl group, benzocarbazolyl group, dibenzocarbazolyl group, furanyl group, benzofuranyl group, dibenzofuranyl group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ substituted with at least one of thiophenyl group, benzothiophenyl group, dibenzothiophenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group and triazinyl group An alkoxy group;

Selected from

R _10a and R _10b are optionally linked to each other to form _a- (Y ₁ ) _{k 1} -linking group,

-(Y ₁ ) _k1 -may be -O-, -S- or -C (= 0)-.

For example, R _10a and R _10b are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, or hydra. Or selected from a zino group, a C ₁ -C ₂₀ alkyl group and a C ₁ -C ₂₀ alkoxy group,

R _10a and R _10b are connected to each other to form _a- (Y ₁ ) _{k 1} -linking group,

-(Y ₁ ) _k1 -may be -O-, -S- or -C (= 0)-.

According to one embodiment, in Formulas 1-1 to 1-3, R ₁₀ , R ₂₀ , R ₃₀ and R ₄₀ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxide A hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ alkoxy group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₃ -C ₁₀ cycloalkyl group , C ₁ -C ₂₀ alkoxy group, C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluore Neyl group, phenanthrenyl group, anthracenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, carbazolyl group, benzocarbazolyl group, dibenzocarbazolyl group, furanyl group, benzofuranyl group, dibenzofuranyl group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ substituted with at least one of thiophenyl group, benzothiophenyl group, dibenzothiophenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group and triazinyl group An alkoxy group;

&Lt; / RTI &gt;

For example, R ₁₀ , R ₂₀ , R _30, and R ₄₀ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group , Hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ alkoxy group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₃ -C ₁₀ cycloalkyl group , C ₁ -C ₂₀ alkoxy group, C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluore Neyl group, phenanthrenyl group, anthracenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, carbazolyl group, benzocarbazolyl group, dibenzocarbazolyl group, furanyl group, benzofuranyl group, dibenzofuranyl group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ substituted with at least one of thiophenyl group, benzothiophenyl group, dibenzothiophenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group and triazinyl group An alkoxy group;

&Lt; / RTI &gt;

According to one embodiment, the UV absorbing compound may be a compound represented by any one selected from Formula 2-1 to 2-9:

In Formulas 2-1 to 2-9,

For the description of R _10c , R _10d , R ₁₁ to R ₁₈ , refer to the description for R ₁₀ ,

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,

For a description of R ₂₁ to R ₂₄ refer to the description for R ₂₀ ,

For a description of R ₃₁ to R ₃₅ refer to the description for R ₃₀ ,

For a description of R ₄₁ to R ₄₄ refer to the description for R ₄₀ ,

At least one of R ₁₁ to R ₁₈ , at least one of R ₂₁ to R ₂₃ and at least one of R ₃₁ to R ₃₅ are hydroxyl groups.

According to an embodiment, at least one of R ₁₁ , R _15, and R ₁₈ in Formulas 2-1 to 2-7 may be a hydroxyl group. For example, at least one of R ₁₁ and R ₁₈ may be a hydroxyl group, but is not limited thereto.

According to another embodiment, R _{21 in} Formula 2-8 may be a hydroxyl group.

According to another embodiment, at least one of R ₃₁ and R ₃₅ in Formula 2-9 may be a hydroxyl group.

According to one embodiment, the UV absorbing compound may be a compound represented by any one selected from formulas 3-1 to 3-9:

In Formulas 3-1 to 3-9,

For a description of R ₁₃ to R ₁₇ refer to the description for R ₁₀ ,

For a description of R ₂₁ to R ₂₃ refer to the description for R ₂₀ ,

For the description of R ₃₄ , refer to the description for R ₃₀ above.

According to one embodiment, the UV absorber comprises a first UV absorbing compound and a second UV absorbing compound,

The first UV absorbing compound and the second UV absorbing compound are independently of each other,

Benzophenone-containing compounds, benzoquinone-containing compounds, benzoanthraquinone-containing compounds, xanthone-containing compounds, benzotriazines, substituted with hydroxyl groups -Containing compounds, benzotriazinone-containing compounds, benzotriazole-containing compounds, benzoate-containing compounds, cyanoacrylate-containing compounds, triazine- Containing compounds, oxanilide-containing compounds, salicylate-containing compounds and pyrene-containing compounds,

The wavelength band of the light absorbed by the first UV absorbing compound and the wavelength band of the light absorbed by the second UV absorbing compound may be different.

The UV absorber may absorb ultraviolet rays to prevent the ultraviolet rays from penetrating into the organic light emitting device 200. Accordingly, the organic light emitting diode display 10 including the UV absorber in the thin film encapsulation unit 300 may prevent the light emitting layer, the insulating layer, or the like including the organic material from being damaged by ultraviolet rays.

According to one embodiment, the UV absorber may absorb a wavelength of 280 nm to 430 nm.

According to one embodiment, the radical scavenger comprises one or more radical scavenging compounds,

The radical scavenging compound may be selected from phenol-containing compounds, hindered amine-containing compounds, and phenylenediamine-containing compounds.

According to one embodiment, the radical scavenger may include one or more compounds represented by any one selected from Formulas 4-1 to 4-3:

<Formula 4-1>

<Formula 4-2>

<Formula 4-3>

In Formulas 4-1 to 4-3,

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

L ₁ and L ₂ are, independently from each other, -O-, -S-, S (= 0) _2- , -C (= 0)-, -C (= 0) O-, -C (= 0) NH -, A C ₁ -C ₃₀ hydrocarbon group, a C ₅ -C ₆₀ carbocyclic group or a C ₂ -C ₃₀ heterocyclic group,

m1 and m2 are each independently an integer of 0 to 5,

when m1 is 2 or more, L ₁ is the same as or different from each other, and when m1 is 0, L ₁ represents a single bond,

when m2 is 2 or more, L ₂ is the same as or different from each other, and when m2 is 0, L ₂ represents a single bond,

R ₅₀ , R ₅₁ , R ₆₀ , R ₆₁ , R ₆₂ and R ₇₀ to R ₇₄ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group , Amidino group, hydrazino group, hydrazono group, substituted or unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group , Substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted or unsubstituted C ₃ -C ₆₀ cycloalkoxy group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted hwandoen 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 A ring group, a substituted or unsubstituted 1, a non-aromatic heterocyclic condensed polycyclic _{group, Si (Q 1) (Q} 2) (Q 3), -N (Q 1) (Q 2), -B (Q 1) ( Q ₂ ), -C (= 0) (Q ₁ ), -S (= 0) ₂ (Q ₁ ), and -P (= 0) (Q ₁ ) (Q ₂ ),

a50 is an integer of 1 to 6,

a60 is an integer of 1 to 4,

a70 is an integer of 1 to 4,

when a50 is 2 or more, R ₅₀ is the same as or different from each other,

when a60 is 2 or more, R ₆₀ are the same as or different from each other,

when a70 is 2 or more, R ₇₀ is the same as or different from each other,

The substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₆₀ cycloalkoxy group , Substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted C _6- C ₆₀ aryl group, a substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, a substituted a non-aromatic condensed polycyclic group, and a substituted At least one of the substituents of the monovalent non-aromatic heterocondensed polycyclic group

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, 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 cycloalkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic 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 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 cycloalkoxy group, substituted with at least one selected from among those selected from the group consisting of

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

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalke group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, a monovalent non- -Aromatic condensed polycyclic group, monovalent non-aromatic heterocondensed polycyclic group, -Si (Q ₂₁ ) (Q ₂₂ ) (Q ₂₃ ), -N (Q ₂₁ ) (Q ₂₂ ), -B (Q ₂₁ ) (Q ₂₂ ), C ₃ -substituted with at least one selected from -C (= 0) (Q ₂₁ ), -S (= 0) ₂ (Q ₂₁ ) and -P (= 0) (Q ₂₁ ) (Q ₂₂ ). C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ hete Roaryl groups, monovalent non-aromatic condensed polycyclic groups, and monovalent non-aromatic condensed polycyclic groups; 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 );

Is selected from,

Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, and No group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group , C ₆ -C ₆₀ aryl group substituted with C ₁ -C ₆₀ alkyl group, C ₆ -C ₆₀ aryl group substituted with C ₆ -C ₆₀ aryl group, terphenyl group, C ₁ -C ₆₀ heteroaryl group, C _1- a C ₁ -C ₆₀ heteroaryl substituted by C ₆₀ alkyl aryl group, a C ₆ -C ₆₀ aryl substituted with C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic heterocyclic fused polycyclic It may be selected from the group, biphenyl group and terphenyl group.

According to one embodiment, in Formulas 4-1 to 4-3, L ₁ and L ₂ are each independently of the other —O—, —S—, S (═O) ₂ —, —C (═O) — , -C (= 0) O-, -C (= 0) NH-;

C ₁ -C ₂₀ alkylene group, C ₂ -C ₂₀ alkenylene group, C ₃ -C ₁₀ cycloalkylene group, C ₁ -C ₁₀ heterocycloalkylene group, C ₃ -C ₁₀ cycloalkenylene group, C ₁ -C ₁₀ heterocycloalkenylene groups, C ₆ -C ₆₀ arylene groups, C ₁ -C ₆₀ heteroarylene groups, divalent non-aromatic condensed polycyclic groups, and divalent non-aromatic condensed polycyclic groups; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, terphenyl group, phenyl group substituted with C ₁ -C ₁₀ alkyl group, phenyl group substituted with -F, pentale Neyl group, indenyl group, naphthyl group, azulenyl group, heptalenyl group, indasenyl group, acenaphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, penalenyl group , Phenanthrenyl group, anthracenyl group, fluoranthhenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, naphthacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindoleyl group, benzofura Neyl group, benzothiophenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group , A dibenzosilolyl group, a pyridinyl group, a C ₁ -C ₂₀ alkylene group substituted with at least one selected from -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) and -N (Q ₃₁ ) (Q ₃₂ ), C ₂ -C ₂₀ alkenylene group, C ₃ -C ₁₀ cycloalkylene group, C ₁ -C ₁₀ heterocycloalkylene group, C ₃ -C ₁₀ cycloalkenylene group, C ₁ -C ₁₀ heterocycloalkenylene group, C _{A 6-} C ₆₀ arylene group, a C ₁ -C ₆₀ heteroarylene group, a divalent non-aromatic condensed polycyclic group and a divalent non-aromatic condensed polycyclic group;

&Lt; / RTI &gt;

According to another embodiment, in Formulas 4-1 to 4-3, at least one of L ₁ and L ₂ is a C ₆ -C ₃₀ alkylene group, C ₆ -C ₃₀ alkenylene group and C ₆ -C ₃₀ Alkynylene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl Group, triphenylenyl group, pyrenyl group, chrysenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group and -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) A C ₆ -C ₃₀ alkylene group, a C ₆ -C ₃₀ alkenylene group, and a C ₆ -C ₃₀ alkynylene group substituted with at least one substituent selected from;

Selected from

At least one of the R ₅₀ , R ₅₁ , R ₆₀ , R ₆₁ and R ₇₀ to R ₇₄ is a C ₆ -C ₃₀ alkyl group, C ₆ -C ₃₀ alkoxy group, C ₆ -C ₃₀ alkenyl group and C ₆ -C ₃₀ Alkynyl groups; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl Group, triphenylenyl group, pyrenyl group, chrysenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group and -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) A C ₆ -C ₃₀ alkyl group, a C ₆ -C ₃₀ alkoxy group, a C ₆ -C ₃₀ alkenyl group, and a C ₆ -C ₃₀ alkynyl group substituted with at least one substituent selected from among them;

&Lt; / RTI &gt;

According to one embodiment, at least one of L ₁ , L ₂ , R ₁ to R ₈ includes a C ₆ or more hydrocarbon chain, thereby improving compatibility with other components in the thin film encapsulation.

According to one embodiment, the radical scavenger may include one or more compounds represented by any one selected from Formulas 5-1 to 5-4:

In Formulas 5-1 to 5-4,

R ₅₁ to R ₅₃ , R ₆₁ to R ₆₆ and R ₇₁ to R ₇₆ each independently of each other include deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, Hydrazino groups, hydrazono groups, C ₁ -C ₂₀ alkyl groups and C ₁ -C ₂₀ alkoxy groups; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₃ -C ₁₀ cycloalkyl group , C ₁ -C ₂₀ alkoxy group, C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluore Neyl group, phenanthrenyl group, anthracenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, carbazolyl group, benzocarbazolyl group, dibenzocarbazolyl group, furanyl group, benzofuranyl group, dibenzofuranyl group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ substituted with at least one of thiophenyl group, benzothiophenyl group, dibenzothiophenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group and triazinyl group An alkoxy group;

Is selected from,

The description of L ₁ and L ₂ refer to what is described herein, respectively.

The phenol-containing compound is butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), tert-Butylhydroquinone (TBHQ), propyl gallate ( Propyl gallate (PG), catechol (1,2-benzenediol), 1,2-naphthalenediol (1,2-naphthalenediol) and the like.

The hindered amine-containing compound is bis- (2,2,6,6-tetramethyl-4-piperidyl) sebacate, bis- (N-methyl-2,2,6,6-tetramethyl-4 -Piperidyl) sebacate, bis- (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, 1,2,2,6,6-pentamethyl-4-piperi Dyl-tridecyl-1,2,3,4-butanetetracarboxylate, tetrakis- (2,2,6,6-tetramethyl-4-piperidyl) -1,2,3,4-butane Tetracarboxylate, and tetrakis- (N-methyl-2,2,6,6-tetramethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate and the like.

The phenylenediamine-containing compound may be o-phenylenediamine, m-phenylenediamine, p-phenylenediamine, or the like, or deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group O-phenylenediamine substituted with nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₂₀ alkoxy group, m -Phenylenediamine, p-phenylenediamine and the like.

According to one embodiment, the content of the radical scavenger per 100 parts by weight of the UV absorber may be 0.5 parts by weight to 20 parts by weight. When the content of the radical scavenger satisfies the above-mentioned range, the light stability of the thin film encapsulation part by the radical scavenger is high, so that the thin film encapsulation part can effectively protect the organic light emitting device from ultraviolet rays. When the content of the radical scavenger is less than 0.5 parts by weight, the light stability of the thin film encapsulation may not be sufficiently secured. When the amount of the radical scavenger is greater than 20 parts by weight, the transmittance in the visible light region of the thin film encapsulation may be inhibited. (E.g., a blue organic light emitting element having a maximum emission wavelength of 430 nm to 460 nm) can hinder the luminous efficiency.

According to an embodiment, the thin film encapsulation part 300 may further include a matrix resin, and the UV absorber may be dispersed in the matrix resin. At this time, the UV absorber may simply be dispersed in the matrix resin. Alternatively, the UV absorber may be cross-linked with the matrix resin. For example, the UV absorber may include the polymerizable functional group, and the UV absorber may be crosslinked with the matrix resin.

According to one embodiment, the thin film encapsulation unit 300 may further include a photopolymerization initiator. The photopolymerization initiator may be used without particular limitation that is known in the art, for example, may be used that can be cured at a wavelength of 360 to 420 nm.

According to one embodiment, the thin film encapsulation unit 300 may further include two or more photopolymerization initiators. For example, any one of the two or more photopolymerization initiators can be cured in the UV region (for example, a wavelength of 360 to 420 nm), and the other one is in the visible region (for example 400 to 770 nm). Wavelength) may be curable. According to another example, all of the two or more photopolymerization initiators may be curable in the UV region, or both of the two or more photopolymerization initiators may be curable in the visible region.

According to an embodiment, the thin film encapsulation unit 300 may further include a metal, a metal halide, a metal nitride, a metal oxide, a metal oxynitride, a silicon nitride, a silicon oxide, and a silicon oxynitride.

For example, the thin film encapsulation unit 300 may include MgF ₂ , LiF, AlF ₃ , NaF, silicon oxide, silicon nitride, silicon oxynitride, aluminum oxide, aluminum nitride, aluminum oxynitride, titanium oxide, titanium nitride, and tantalum oxide. It may include, but is not limited to, tantalum nitride, hafnium oxide, hafnium nitride, zirconium oxide, zirconium nitride, cerium oxide, cerium nitride, tin oxide, tin nitride, and magnesium oxide.

According to an embodiment, the thin film encapsulation unit 300 may include at least one organic layer, the at least one organic layer may include a first organic layer, and the UV stabilizing mixture may be included in the first organic layer. have.

According to one embodiment, the thin film encapsulation part (eg, the first organic film) including the UV stabilizing mixture is 10% or less (eg For example, 8% or less).

According to another embodiment, the thin film encapsulation part (eg, the first organic layer) including the UV stabilizing mixture has a transmittance of 80% or more (eg, 90% or more) for light having a wavelength of 430 nm or more. It may have a transmittance of 10% or less for light having a wavelength of 405 nm or less.

According to an embodiment, the first organic layer may have a transmittance change of less than 5% for a wavelength range of 400 nm or more and less than 410 nm when exposed at an exposure dose of 52000 Wh / m ² .

According to another embodiment, the first organic film may have a transmittance change of less than 3% over a wavelength range of 400 nm or more and less than 405 nm when exposed at an exposure dose of 52000 Wh / m ² .

According to another embodiment, the first organic layer has a wavelength of 400 nm or more and less than 410 nm when light having a maximum emission wavelength of 405 nm or light having a wavelength range of 380 nm to 410 nm is exposed at an exposure dose of 52000 Wh / m ² . The change in transmittance over the range can be less than 5%.

According to another embodiment, the first organic layer has a wavelength of 400 nm or more and less than 405 nm when light having a maximum emission wavelength of 405 nm or light having a wavelength range of 380 nm to 410 nm is exposed at an exposure dose of 52000 Wh / m ² . The change in transmittance over the range can be less than 3%.

The change in transmittance in the wavelength range may be measured by, for example, exposing the first organic film with an LED lamp emitting light having a wavelength range of 380 nm to 410 nm and a maximum emission wavelength of 405 nm.

According to one embodiment, the thickness of the first organic layer may be 10 nm to 20 μm, for example, 10 nm to 10 μm.

According to one embodiment, the content of the UV stabilized mixture per 100 parts by weight of the first organic film may be 3 to 10 parts by weight. By controlling the content of the UV stabilizing mixture in the first organic film it is possible to fine-tune the maximum absorption wavelength of the first organic film, it is possible to control the UV absorption spectrum.

For example, the at least one organic layer may be made of the UV stabilized mixture.

In another example, the at least one organic layer may further include the matrix resin in addition to the UV stabilized mixture, and the UV stabilized mixture may be dispersed in the matrix resin. In this case, the UV stabilized mixture may be simply dispersed in the matrix resin, or the UV stabilized mixture may be crosslinked with the matrix resin.

According to one embodiment, the first organic film further comprises a matrix resin,

The matrix resin may include at least one of acrylic resin, methacrylic resin, isoprene resin, vinyl resin, epoxy resin, urethane resin, cellulose resin, perylene resin, imide resin, and silicone resin.

As another example, the at least one organic film may further include a photopolymerization initiator in addition to the UV stabilizing mixture. For a description of the photopolymerization initiator, see the description herein.

As another example, the at least one organic layer may further include the matrix resin and the photopolymerization initiator in addition to the UV stabilizing mixture.

The at least one organic film may be formed using various methods such as vacuum deposition, spin coating, casting, LB (Langmuir-Blodgett), inkjet printing, laser printing, and laser induced thermal imaging (LITI). It may be formed in a predetermined area. The number and thickness of the organic film may be appropriately selected in consideration of productivity, device characteristics, and the like.

According to an embodiment, the thin film encapsulation part may further include at least one inorganic film, and the at least one inorganic film may include a first inorganic film.

According to an embodiment, the inorganic layer may include a metal, a metal halide, a metal nitride, a metal oxide, a metal oxynitride, silicon nitride, silicon oxide, and silicon oxynitride.

For example, the inorganic layer may include MgF ₂ , LiF, AlF ₃ , NaF, silicon oxide, silicon nitride, silicon oxynitride, aluminum oxide, aluminum nitride, aluminum oxynitride, titanium oxide, titanium nitride, tantalum oxide, tantalum nitride, hafnium It may include, but is not limited to, at least one of oxide, hafnium nitride, zirconium oxide, zirconium nitride, cerium oxide, cerium nitride, tin oxide, tin nitride, and magnesium oxide.

The at least one inorganic film may be formed in a predetermined region by using various methods such as chemical vapor deposition (CVD), plasma chemical vapor deposition (PECVD), sputtering, atomic layer deposition (ALD), thermal evaporation, and the like. Can be formed. The number and thickness of the inorganic film may be appropriately selected in consideration of productivity or device characteristics.

In example embodiments, the at least one organic layer includes a first organic layer, the at least one inorganic layer includes a first inorganic layer, and the first organic layer includes the organic light emitting device 200 and the first inorganic layer. It may be intervened in between. For example, the at least one organic film includes a first organic film, the at least one inorganic film includes a first inorganic film, and the first organic film and the second inorganic film are sequentially formed from the organic light emitting device 200. It may be stacked as is. Here, to be sequentially stacked does not exclude that another film is interposed between the organic light emitting device 200 and the first organic film and / or between the first organic film and the first inorganic film. It must be understood.

According to another embodiment, the at least one organic layer includes a first organic layer, the at least one inorganic layer includes a first inorganic layer, and the first inorganic layer is the organic light emitting device 200 and the first organic layer. It may be intervened in between. For example, the at least one organic film includes a first organic film, the at least one inorganic film includes a first inorganic film, and the first inorganic film and the first organic film are sequentially formed from the organic light emitting device 200. It may be stacked as is.

According to another embodiment, the at least one organic film includes a first organic film, the at least one inorganic film includes a first inorganic film and a second inorganic film, and the first inorganic film from the organic light emitting device 200. The film, the first organic film, and the second inorganic film may be sequentially stacked.

According to another embodiment, the at least one organic film includes a first organic film and a second organic film, the at least one inorganic film includes a first inorganic film, and the first organic film from the organic light emitting device 200. The film, the first inorganic film, and the second organic film may be sequentially stacked.

According to another embodiment, the at least one organic film includes a first organic film and a second organic film, the at least one inorganic film includes a first inorganic film and a second inorganic film, and the organic light emitting device 200 The first inorganic film, the first organic film, the second inorganic film, and the second organic film may be sequentially stacked.

According to another embodiment, the at least one organic film includes a first organic film and a second organic film, the at least one inorganic film includes a first inorganic film and a second inorganic film, and the organic light emitting device 200 The first organic film, the first inorganic film, the second organic film, and the second inorganic film may be sequentially stacked.

According to another embodiment, the at least one organic film includes a first organic film and a second organic film, the at least one inorganic film includes a first inorganic film and a second inorganic film, and the organic light emitting device 200 The first inorganic film, the second inorganic film, the first organic film, and the second organic film may be sequentially stacked.

According to another embodiment, the at least one organic film includes a first organic film and a second organic film, the at least one inorganic film includes a first inorganic film and a second inorganic film, and the organic light emitting device 200 The first organic film, the second organic film, the first inorganic film, and the second inorganic film may be sequentially stacked.

According to another embodiment, the at least one organic film includes a first organic film and a second organic film, and the at least one inorganic film includes a first inorganic film, a second inorganic film, and a third inorganic film. The first inorganic film, the first organic film, the second inorganic film, the second organic film, and the third inorganic film may be sequentially stacked from the light emitting device 200.

According to another embodiment, the at least one organic film includes a first organic film, a second organic film, and a third organic film, and the at least one inorganic film includes a first inorganic film and a second inorganic film, and the organic The first organic film, the first inorganic film, the second organic film, the second inorganic film, and the third organic film may be sequentially stacked from the light emitting device 200, but is not limited thereto. Not only the number but also the stacking order of the inorganic film and the organic film may be appropriately modified depending on the design.

The organic light emitting diode display 10 may include a plurality of organic light emitting diodes 200. Therefore, according to one embodiment, a substrate, an organic light emitting part including a plurality of organic light emitting elements 200 on the substrate, and a thin film encapsulation part 300 sealing the organic light emitting part on the organic light emitting part, the thin film The encapsulation unit 300 is provided with the organic light emitting display device 10 including the UV stabilizing mixture. For a description of the UV stabilizing mixtures refer to what is described herein.

For example, the thin film encapsulation unit 300 may include the UV stabilized mixture, and may further include a matrix resin in addition to the UV stabilized mixture. For the description of the matrix resin refer to what is described herein.

In another example, the thin film encapsulation unit 300 may further include a metal, a metal halide, a metal nitride, a metal oxide, a metal oxynitride, a silicon nitride, a silicon oxide, and a silicon oxynitride in addition to the UV stabilizing mixture.

For another example, the thin film encapsulation unit 300 may include at least one organic layer and at least one inorganic layer, and the UV absorber may be included in the at least one organic layer. For the description of the at least one organic film and the at least one inorganic film, refer to the description herein.

According to another aspect of the invention, forming an organic light emitting device on a substrate; And

Forming a thin film encapsulation part that seals the organic light emitting device on the substrate,

The forming of the thin film encapsulation part includes providing and curing the composition for forming a thin film encapsulation part to cover the organic light emitting device.

The thin film encapsulation composition is formed to include a UV stabilized mixture,

The UV stabilized mixture is provided with a method of making an electronic device, including a UV absorber and a radical scavenger. Description of the thin film encapsulation, UV stabilizing mixture, UV absorber and radical scavenger is described herein. When manufacturing the electronic device according to the manufacturing method, by preventing the UV light flowing from the outside to reach the organic light emitting device to prevent damage that may occur when the organic light emitting device is continuously exposed to UV light, The durability of the organic light emitting device and the electronic device including the same can be improved.

According to one embodiment, the composition for forming the thin film encapsulation portion may further include a monomer for forming a matrix resin and a photopolymerization initiator.

The matrix resin forming monomer may form a matrix resin included in the thin film encapsulation portion by photopolymerization. For example, the monomer for forming a matrix resin may be photopolymerized with a photopolymerization initiator to form a matrix resin included in the thin film encapsulation portion. For a description of the photopolymerization initiator, see the description herein.

2 is a schematic cross-sectional view of an organic light emitting diode display as an example of an electronic device according to an embodiment of the present disclosure.

Referring to FIG. 2, first, a backplane is formed. The backplane may include at least a center portion of the substrate 100, each of the plurality of first electrodes 210R, 210G, and 210B and the plurality of first electrodes 210R, 210G, and 210B formed on the substrate 100. It can be understood to include a pixel defining layer 180 formed to expose at least a portion including the. In this case, the pixel defining layer 180 may have a shape protruding (in the + z direction) than the plurality of first electrodes 210R, 210G, and 210B when the substrate 100 is the center.

The plurality of first electrodes 210R, 210G, and 210B may be understood as pixel electrodes. Among the pixel electrodes, the pixel electrode 210B may be regarded as a first pixel electrode, the pixel electrode 210R may be referred to as a second pixel electrode, and the pixel electrode 210G may be regarded as a third pixel electrode. And the intermediate layer formed on the first pixel electrode to the third pixel electrode may be different. Hereinafter, for convenience, the terms pixel electrode 210R, pixel electrode 210G, and pixel electrode 210B are used instead of the first pixel electrode, the second pixel electrode, and the third pixel electrode. For a description of the pixel electrode, refer to the description of the first electrode.

The pixel defining layer 180 has an opening corresponding to each subpixel, that is, a central portion of each of the pixel electrodes 210R, 210G, and 210B, or an opening that exposes the entire pixel electrodes 210R, 210G, and 210B. It can play a role in defining. In addition, the pixel defining layer 180 increases the distance between the end of the pixel electrodes 210R, 210G, and 210B and the second electrode (not shown) on the pixel electrodes 210R, 210G, and 210B. It can serve to prevent the occurrence of arcs and the like at the ends of (210R, 210G, 210B).

Of course, the backplane may further include other various components as necessary. For example, as illustrated in FIG. 2, a thin film transistor TFT or a capacitor Cap may be formed on the substrate 100. The buffer layer 110, the gate insulating layer 130, and the thin film transistor TFT are formed to insulate the gate electrode from the buffer layer 110 formed to prevent impurities from penetrating into the semiconductor layer of the thin film transistor TFT. The planarization layer 170 and the other elements may be provided to cover the interlayer insulating layer 150 and the thin film transistor TFT to insulate the source electrode / drain electrode and the gate electrode.

After forming the backplane as described above, the intermediate layers 220R, 220G, and 220B are formed. The intermediate layers 220R, 220G, and 220B may have a multi-layer structure including a light emitting layer. In this case, the intermediate layers 220R, 220G, and 220B may be partially formed on the entire surface of the substrate 100, unlike the illustrated layers. It may be a corresponding common layer, and some other layers may be pattern layers patterned to correspond to the pixel electrodes 210R, 210G, and 210B.

After the intermediate layers 220R, 220G and 220B are formed, the second electrode 230 is formed on the intermediate layers 220R, 220G and 220B.

After forming the second electrode 230, the organic light emitting diodes 200 including the pixel electrodes 210R, 210G, and 210B, the intermediate layers 220R, 220G, and 220B, and the second electrode 230 may be formed. The thin film encapsulation part 300 is formed to protect from impurities such as oxygen or moisture.

The thin film encapsulation unit 300 may extend to cover not only an upper surface of the organic light emitting device 200 but also a side surface thereof so as to contact a part of the substrate 100. As a result, infiltration of external oxygen and moisture into the organic light emitting device 200 may be effectively prevented.

The thin film encapsulation unit 300 includes a UV absorber represented by Chemical Formula 1.

In the present specification, the C ₁ -C ₆₀ alkyl group means a linear or branched aliphatic hydrocarbon monovalent group having 1 to 60 carbon atoms, and specific examples include methyl group, ethyl group, propyl group, isobutyl group, and sec-butyl group. Groups, ter-butyl groups, pentyl groups, iso-amyl groups, hexyl groups and the like. In the present specification, the C ₁ -C ₆₀ alkylene group refers to a divalent group having the same structure as the C ₁ -C ₆₀ alkyl group.

As used herein, a C ₂ -C ₆₀ alkenyl group refers to a hydrocarbon group including at least one carbon double bond in the middle or terminal of the C ₂ -C ₆₀ alkyl group, and specific examples thereof include an ethenyl group, a propenyl group, and a butenyl group. Etc. are included. As used herein, a C ₂ -C ₆₀ alkenylene group refers to a divalent group having the same structure as the C ₂ -C ₆₀ alkenyl group.

As used herein, a C ₂ -C ₆₀ alkynyl group refers to a hydrocarbon group including at least one carbon triple bond in the middle or terminal of the C ₂ -C ₆₀ alkyl group, and specific examples thereof include an ethynyl group, a propynyl group, and the like. Included. As used herein, a C ₂ -C ₆₀ alkynylene group refers to a divalent group having the same structure as the C ₂ -C ₆₀ alkynyl group.

In the present specification, the C ₁ -C ₆₀ alkoxy group refers to a monovalent group having a chemical formula of —OA ₁₀₁ (where A ₁₀₁ is the C ₁ -C ₆₀ alkyl group), and specific examples thereof include a methoxy group and an ethoxy group. , Isopropyloxy group and the like.

In the present specification, the C ₃ -C ₁₀ cycloalkyl group means a monovalent saturated hydrocarbon monocyclic group having 3 to 10 carbon atoms, and specific examples thereof include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, and a cyclo Heptyl group and the like. As used herein, a C ₃ -C ₁₀ cycloalkylene group refers to a divalent group having the same structure as the C ₃ -C ₁₀ cycloalkyl group.

As used herein, a C ₁ -C ₁₀ heterocycloalkyl group means a monovalent monocyclic group having 1 to 10 carbon atoms including at least one hetero atom selected from N, O, Si, P, and S as a ring-forming atom, Specific examples thereof include 1,2,3,4-oxatriazolidinyl group (1,2,3,4-oxatriazolidinyl), tetrahydrofuranyl group, tetrahydrothiophenyl group and the like. As used herein, a C ₁ -C ₁₀ heterocycloalkylene group refers to a divalent group having the same structure as the C ₁ -C ₁₀ heterocycloalkyl group.

As used herein, a C ₃ -C ₁₀ cycloalkenyl group is a monovalent monocyclic group having 3 to 10 carbon atoms, and refers to a group having at least one double bond in a ring, but having no aromaticity, and examples thereof Examples include a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, and the like. As used herein, a C ₃ -C ₁₀ cycloalkenylene group refers to a divalent group having the same structure as the C ₃ -C ₁₀ cycloalkenyl group.

As used herein, the C ₁ -C ₁₀ heterocycloalkenyl group is a monovalent monocyclic group having 1 to 10 carbon atoms including at least one hetero atom selected from N, O, Si, P, and S as a ring-forming atom, Have at least one double bond in it. Specific examples of the C ₁ -C ₁₀ heterocycloalkenyl group include 4,5-dihydro-1,2,3,4-oxatriazolyl group, 2,3-dihydrofuranyl group and 2,3-dihydro Thiophenyl groups and the like. In the present specification, the C ₁ -C ₁₀ heterocycloalkenylene group refers to a divalent group having the same structure as the C ₁ -C ₁₀ heterocycloalkenyl group.

As used herein, a C ₆ -C ₆₀ aryl group refers to a monovalent group having a carbocyclic aromatic system having 6 to 60 carbon atoms, and a C ₆ -C ₆₀ arylene group refers to a carbocyclic aromatic system having 6 to 60 carbon atoms. It means a divalent group having a. Specific examples of the C ₆ -C ₆₀ aryl group include a phenyl group, naphthyl group, anthracenyl group, phenanthrenyl group, pyrenyl group, chrysenyl group and the like. When the C ₆ -C ₆₀ aryl group and the C ₆ -C ₆₀ arylene group include two or more rings, the two or more rings may be condensed with each other.

C ₁ -C ₆₀ heteroaryl group used herein includes a monovalent group having at least one hetero atom selected from N, O, Si, P, and S as a ring-forming atom and having a heterocyclic aromatic system having 1 to 60 carbon atoms. Wherein the C ₁ -C ₆₀ heteroarylene group comprises at least one hetero atom selected from N, O, Si, P, and S as a ring-forming atom and has 2 to 60 carbon atoms having a heterocyclic aromatic system. Means group. Specific examples of the C ₁ -C ₆₀ heteroaryl group include a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, an isoquinolinyl group, and the like. When the C ₁ -C ₆₀ heteroaryl group and the C ₁ -C ₆₀ heteroarylene group include two or more rings, two or more rings may be condensed with each other.

In the specification C ₆ -C ₆₀ aryloxy group -OA, point ₁₀₂ (where, A ₁₀₂ is the C ₆ -C ₆₀ aryl group), a C ₆ -C ₆₀ arylthio group (arylthio) is -SA ₁₀₃ (where , A ₁₀₃ represents the C ₆ -C ₆₀ aryl group.

The monovalent non-aromatic condensed polycyclic group herein includes two or more rings condensed with each other, contains only carbon as a ring forming atom, and the entire molecule is non-aromatic. It means a monovalent group having (for example, having 8 to 60 carbon atoms). Specific examples of the monovalent non-aromatic condensed polycyclic group include fluorenyl groups and the like. As used herein, the divalent non-aromatic condensed polycyclic group refers to a divalent group having the same structure as the monovalent non-aromatic condensed polycyclic group.

As used herein, a monovalent non-aromatic condensed heteropolycyclic group includes at least one ring selected from N, O, Si, P, and S in addition to carbon as two or more rings condensed with each other and as a ring forming atom. It means a monovalent group (eg having from 1 to 60 carbon atoms) containing a hetero atom, the entire molecule is non-aromatic. Specific examples of the monovalent non-aromatic heterocondensed polycyclic group include carbazolyl groups and the like. As used herein, the divalent non-aromatic heterocondensed polycyclic group refers to a divalent group having the same structure as the monovalent non-aromatic condensed polycyclic group.

As used herein, a C ₅ -C ₆₀ carbocyclic group means a monocyclic or polycyclic group having 5 to 60 carbon atoms including only carbon as a ring-forming atom. The C ₅ -C ₆₀ carbocyclic group can be an aromatic carbocyclic group or a non-aromatic carbocyclic group. The C ₅ -C ₆₀ carbocyclic group may be a ring such as benzene, a monovalent group such as a phenyl group, or a divalent group such as a phenylene group. Alternatively, it is the C ₅ -C according to the number attached to the substituent at the ₆₀ carbocyclic group, a C ₅ -C ₆₀ carbocyclic group during the various modifications can be made, such as in 3 or 4 is the group number of a group.

As used herein, a C ₁ -C ₆₀ heterocyclic group has the same structure as the C ₅ -C ₆₀ carbocyclic group, and as a ring-forming atom, in addition to carbon (carbon number may be 1 to 60), N A group containing at least one hetero atom selected from among O, Si, P, and S.

As used herein, the substituted C ₅ -C ₆₀ carbocyclic group, substituted C ₁ -C ₆₀ heterocyclic group, substituted C ₃ -C ₁₀ cycloalkylene group, substituted C ₁ -C ₁₀ heterocycloalkyl Ethylene group, substituted C ₃ -C ₁₀ cycloalkenylene group, substituted C ₁ -C ₁₀ heterocycloalkenylene group, substituted C ₆ -C ₆₀ arylene group, substituted C ₁ -C ₆₀ heteroarylene group, substituted Divalent non-aromatic condensed polycyclic group, substituted divalent non-aromatic condensed polycyclic group, substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, Substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₆₀ cycloalkoxy group, substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cyclo alkenyl group, a substituted C ₁ -C ₁₀ heteroaryl cycloalkenyl group, a substituted C ₆ -C ₆₀ aryl, substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl, , Substituted monovalent non-aromatic condensed polycyclic groups, and substituted monovalent non-aromatic hydrocarbon ring, at least one of the substituents of the fused polycyclic group,

Deuterium (-D), -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C _2- C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group and C ₃ -C ₆₀ cycloalkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic 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 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 cycloalkoxy group, substituted with at least one selected from among those selected from the group consisting of

C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl Oxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group and monovalent non-aromatic condensed polycyclic group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalke group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, a monovalent non- -Aromatic condensed polycyclic group, monovalent non-aromatic heterocondensed polycyclic group, -Si (Q ₂₁ ) (Q ₂₂ ) (Q ₂₃ ), -N (Q ₂₁ ) (Q ₂₂ ), -B (Q ₂₁ ) (Q ₂₂ ), C ₃ -substituted with at least one selected from -C (= 0) (Q ₂₁ ), -S (= 0) ₂ (Q ₂₁ ) and -P (= 0) (Q ₂₁ ) (Q ₂₂ ). C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ hete Roaryl groups, monovalent non-aromatic condensed polycyclic groups, and monovalent non-aromatic condensed polycyclic groups; 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 );

Is selected from,

Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, or AMI. Dino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group , C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ Heteroaryl groups, monovalent non-aromatic condensed polycyclic groups, monovalent non-aromatic condensed polycyclic groups, biphenyl groups and terphenyl groups.

In the present specification, "Ph" means a phenyl group, "Me" means a methyl group, "Et" means an ethyl group, "ter-Bu" or "Bu ^t " means a tert-butyl group, and "OMe "Means a methoxy group.

In the present specification, "biphenyl group" means "phenyl group substituted with a phenyl group." The "non-group", the substituent belongs to the "C ₆ -C ₆₀ aryl group" of "substituted phenyl group".

In the present specification, "terphenyl group" means "phenyl group substituted with a biphenyl group." The "terphenyl group" belongs to the "substituted phenyl group" in which the substituent is a "C ₆ -C ₆₀ aryl group substituted with a C ₆ -C ₆₀ aryl group".

In the present specification, * and * 'means a binding site with a neighboring atom in the chemical formula, unless otherwise defined.

Hereinafter, the compound and the organic light emitting device according to the embodiment of the present invention will be described in more detail with reference to Examples. In the following synthesis examples, the molar equivalent of A and the molar equivalent of B are the same in the expression "B was used instead of A".

[Example]

Example  One

Using the composition for forming a thin film encapsulation part comprising benzophenone as a UV absorber and 1,2-naphthalenediol as a radical scavenger, an electronic device including a thin film encapsulation part for sealing an organic light emitting element on a substrate was formed.

Comparative Example  One

A thin film encapsulation part was formed using the composition for forming a thin film encapsulation part in the same manner as in Example 1, except that benzophenone was used as the UV absorber and no radical scavenger was used.

Evaluation example  One

The initial transmittance of the thin film encapsulation portion of the electronic device manufactured in Example 1 and Comparative Example 1 and the transmittance (“transmission after exposure”) after exposure at an exposure amount of 52000 Wh / m ² for 30 minutes were measured, respectively, and the results are shown. 3 is shown.

Referring to FIG. 3, the electronic device according to the embodiment of the present invention has a longer time taken to increase the transmittance of the thin film encapsulation unit than that of Comparative Example 1, thereby confirming excellent photocuring resistance. For example, for a wavelength of 405 nm, the electronic device of Comparative Example 1 has an initial transmittance of about 2% and a post-exposure transmittance of about 8%, and a change in transmittance (transmission amount after exposure minus initial transmittance) is about 6 % And the transmittance increased by 4 times or more after 30 minutes of exposure. On the contrary, for the wavelength of 405 nm, the electronic device of Example 1 had an initial transmittance of about 3% and a post-exposure transmittance of about 6%, which showed less change in transmittance than in Comparative Example 1.

Accordingly, the organic light emitting diode display including the UV stabilizing mixture according to an embodiment may prevent the light emitting layer, the insulating layer, or the like including the organic material from being damaged by ultraviolet rays.

10: organic light emitting device
100: substrate
200: organic light emitting device
300: encapsulation

Claims (20)

Board;
An organic light emitting device on the substrate; And
It includes a thin film encapsulation for sealing the organic light emitting device,
The thin film encapsulation comprises a UV stabilizing mixture,
The UV stabilizing mixture comprises a UV absorber and a radical scavenger. The method of claim 1,
The UV absorber comprises at least one UV absorbing compound,
The UV absorbing compound,
Benzophenone-containing compounds, benzoquinone-containing compounds, benzoanthraquinone-containing compounds, xanthone-containing compounds, benzotriazines, substituted with hydroxyl groups -Containing compounds, benzotriazinone-containing compounds, benzotriazole-containing compounds, benzoate-containing compounds, cyanoacrylate-containing compounds, triazine- An electronic device selected from among containing compounds, oxanilide-containing compounds, salicylate-containing compounds and pyrene-containing compounds. The method of claim 1,
The UV absorbing compound is a compound represented by any one selected from Chemical Formulas 1-1 to 1-3:
&Lt; Formula 1-1 >

(1-2)

<Formula 1-3>

In Formulas 1-1 to 1-3,
CY ₁ and CY ₂ are independently of each other selected from a benzene group, a naphthalene group, an anthracene group, a pyrene group and a phenanthrene group,
R _10a and R _10b independently of one another are hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, substitution or Unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted Or an unsubstituted C ₃ -C ₆₀ cycloalkoxy 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, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryloxy group, substituted or unsubstituted a C ₆ -C ₆₀ arylthio group, a substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted 1, a non-condensed polycyclic aromatic group, a substituted or unsubstituted One is a non-aromatic heterocyclic fused polycyclic _{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 ), or
R _10a and R _10b are optionally linked to each other to form _a- (Y ₁ ) _{k 1} -linking group,
Y ₁ is -O-, -S-, or -C (= O)-,
k1 is an integer of 1 to 3,
One of Y ₂ and Y ₃ is N, the other is a single bond, a double bond, or —C (═O) —,
R ₁₀ , R ₂₀ , R ₃₀ and R ₄₀ are each independently of each other hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, Hydrazono group, substituted or unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C _1- C ₆₀ alkoxy group, substituted or unsubstituted C ₃ -C ₆₀ cycloalkoxy group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryl jade 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 1, a non-condensed polycyclic aromatic group, a substituted addition It is unsubstituted 1 non-aromatic heterocyclic condensed polycyclic _{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 of 1 to 18,
a20 is an integer of 1 to 4,
a30 is an integer of 1 to 5,
a40 is an integer of 1 to 4,
at least one of a10 R _{10 's} is a hydroxyl group,
at least one of a20 R ₂₀ is a hydroxyl group,
at least one of a30 R ₃₀ is a hydroxyl group,
The substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₆₀ cycloalkoxy group , Substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted C _6- C ₆₀ aryl group, a substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, a substituted a non-aromatic condensed polycyclic group, and a substituted At least one of the substituents of the monovalent non-aromatic heterocondensed polycyclic group
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, 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 cycloalkoxy group;
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic 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 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 cycloalkoxy group, substituted with at least one selected from among those selected from the group consisting of
C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl Oxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic group, biphenyl group and terphenyl group;
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalke group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, a monovalent non- -Aromatic condensed polycyclic group, monovalent non-aromatic heterocondensed polycyclic group, -Si (Q ₂₁ ) (Q ₂₂ ) (Q ₂₃ ), -N (Q ₂₁ ) (Q ₂₂ ), -B (Q ₂₁ ) (Q ₂₂ ), C ₃ -substituted with at least one selected from -C (= 0) (Q ₂₁ ), -S (= 0) ₂ (Q ₂₁ ) and -P (= 0) (Q ₂₁ ) (Q ₂₂ ). C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ hete Roaryl groups, monovalent non-aromatic condensed polycyclic groups, and monovalent non-aromatic condensed polycyclic groups; 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 );
&Lt; / RTI &gt;
Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, and No group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group , C ₆ -C ₆₀ aryl group substituted with C ₁ -C ₆₀ alkyl group, C ₆ -C ₆₀ aryl group substituted with C ₆ -C ₆₀ aryl group, terphenyl group, C ₁ -C ₆₀ heteroaryl group, C _1- a C ₁ -C ₆₀ heteroaryl substituted by C ₆₀ alkyl aryl group, a C ₆ -C ₆₀ aryl substituted with C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic heterocyclic fused polycyclic Group, biphenyl group and terphenyl group. The electronic device of claim 3, wherein the UV absorbing compound is a compound represented by any one selected from Formulas 2-1 to 2-9.

In Formulas 2-1 to 2-9,
For the description of R _10c , R _10d , R ₁₁ to R ₁₈ , refer to the description of 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,
For a description of R ₂₁ to R ₂₄ refer to the description of R ₂₀ in claim 3,
For a description of R ₃₁ to R ₃₅ refer to the description of R ₃₀ in claim 3,
For a description of R ₄₁ to R ₄₄ refer to the description of R ₄₀ in claim 3,
At least one of R ₁₁ to R ₁₈ , at least one of R ₂₁ to R ₂₃ and at least one of R ₃₁ to R ₃₅ are hydroxyl groups. The method of claim 1,
The UV absorber absorbs a wavelength of 280 nm to 430 nm. The method of claim 1,
The radical scavenger comprises one or more radical scavenging compounds,
Wherein the radical scavenging compound is selected from a phenol-containing compound, a hindered amine-containing compound, and a phenylenediamine-containing compound. The method of claim 1,
The radical scavenger comprises at least one compound represented by any one selected from the following 4-1 to 4-3:
<Formula 4-1>

<Formula 4-2>

<Formula 4-3>

In Formulas 4-1 to 4-3,
Ring Ar ₁ is a benzene ring or a naphthalene ring,
L ₁ and L ₂ are, independently from each other, -O-, -S-, S (= 0) _2- , -C (= 0)-, -C (= 0) O-, -C (= 0) NH -, A C ₁ -C ₃₀ hydrocarbon group, a C ₅ -C ₆₀ carbocyclic group or a C ₂ -C ₃₀ heterocyclic group,
m1 and m2 are each independently an integer of 0 to 5,
when m1 is 2 or more, L ₁ is the same as or different from each other, and when m1 is 0, L ₁ represents a single bond,
when m2 is 2 or more, L ₂ is the same as or different from each other, and when m2 is 0, L ₂ represents a single bond,
R ₅₀ , R ₅₁ , R ₆₀ , R ₆₁ , R ₆₂ and R ₇₀ to R ₇₄ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group , Amidino group, hydrazino group, hydrazono group, substituted or unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group , Substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted or unsubstituted C ₃ -C ₆₀ cycloalkoxy group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted hwandoen 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 A ring group, a substituted or unsubstituted 1, a non-aromatic heterocyclic condensed polycyclic group, a Si _(1, Q) (Q ₂₎ (Q _3), -N _{(Q. 1)} (Q _2), -B ₍₁ Q) ( Q ₂ ), -C (= 0) (Q ₁ ), -S (= 0) ₂ (Q ₁ ), and -P (= 0) (Q ₁ ) (Q ₂ ),
a50 is an integer of 1 to 6,
a60 is an integer of 1 to 4,
a70 is an integer of 1 to 4,
when a50 is 2 or more, R ₅₀ is the same as or different from each other,
when a60 is 2 or more, R ₆₀ are the same as or different from each other,
when a70 is 2 or more, R ₇₀ is the same as or different from each other,
The substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₆₀ cycloalkoxy group , Substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted C _6- C ₆₀ aryl group, a substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, a substituted a non-aromatic condensed polycyclic group, and a substituted At least one of the substituents of the monovalent non-aromatic heterocondensed polycyclic group
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, 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 cycloalkoxy group;
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic 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 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 cycloalkoxy group, substituted with at least one selected from among those selected from the group consisting of
C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl Oxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed polycyclic group, biphenyl group and terphenyl group;
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalke group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, a monovalent non- -Aromatic condensed polycyclic group, monovalent non-aromatic heterocondensed polycyclic group, -Si (Q ₂₁ ) (Q ₂₂ ) (Q ₂₃ ), -N (Q ₂₁ ) (Q ₂₂ ), -B (Q ₂₁ ) (Q ₂₂ ), C ₃ -substituted with at least one selected from -C (= 0) (Q ₂₁ ), -S (= 0) ₂ (Q ₂₁ ) and -P (= 0) (Q ₂₁ ) (Q ₂₂ ). C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ hete Roaryl groups, monovalent non-aromatic condensed polycyclic groups, and monovalent non-aromatic condensed polycyclic groups; 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 );
&Lt; / RTI &gt;
Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, and No group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₆₀ cycloalkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group , C ₆ -C ₆₀ aryl group substituted with C ₁ -C ₆₀ alkyl group, C ₆ -C ₆₀ aryl group substituted with C ₆ -C ₆₀ aryl group, terphenyl group, C ₁ -C ₆₀ heteroaryl group, C _1- a C ₁ -C ₆₀ heteroaryl substituted by C ₆₀ alkyl aryl group, a C ₆ -C ₆₀ aryl substituted with C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic heterocyclic fused polycyclic Group, biphenyl group and terphenyl group. The method of claim 7, wherein
The radical scavenger comprises at least one compound represented by any one selected from the following Chemical Formulas 5-1 to 5-4:

In Formulas 5-1 to 5-4,
R ₅₁ to R ₅₃ , R ₆₁ to R ₆₆ and R ₇₁ to R ₇₆ each independently of each other include deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, Hydrazino groups, hydrazono groups, C ₁ -C ₂₀ alkyl groups and C ₁ -C ₂₀ alkoxy groups; And
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₃ -C ₁₀ cycloalkyl group , C ₁ -C ₂₀ alkoxy group, C ₃ -C ₂₀ cycloalkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluore Neyl group, phenanthrenyl group, anthracenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, carbazolyl group, benzocarbazolyl group, dibenzocarbazolyl group, furanyl group, benzofuranyl group, dibenzofuranyl group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ substituted with at least one of thiophenyl group, benzothiophenyl group, dibenzothiophenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group and triazinyl group An alkoxy group;
&Lt; / RTI &gt;
For the description of L ₁ and L ₂ , refer to each as described in claim 7. The method of claim 1,
The content of the radical scavenger per 100 parts by weight of the UV absorber is 0.5 to 20 parts by weight. The method of claim 1,
The thin film encapsulation portion includes at least one organic layer,
The at least one organic film includes a first organic film,
And the UV stabilizing mixture in the first organic film. The method of claim 10,
The first organic film further comprises a matrix resin,
The matrix resin includes at least one of acrylic resin, methacrylic resin, isoprene resin, vinyl resin, epoxy resin, urethane resin, cellulose resin, perylene resin, imide resin and silicone resin. The method of claim 10,
The content of the UV stabilized mixture per 100 parts by weight of the first organic film is 3 to 10 parts by weight, electronic device. The method of claim 10,
The first organic film has a transmittance of 80% or more with respect to light having a wavelength of 430 nm or more,
An electronic device having a transmittance of 10% or less for light having a wavelength of 405 nm or less. The method of claim 10,
The first organic film has an electronic device having a transmittance change of less than 5% for a wavelength range of 400 nm or more and less than 410 nm when exposed at an exposure dose of 52000 Wh / m ² . The method of claim 10,
The first organic film has a thickness of 10 nm to 20 μm. The method of claim 10,
The thin film encapsulation part further includes at least one inorganic film including a first inorganic film,
The at least one inorganic film includes at least one selected from metals, metal halides, metal nitrides, metal oxides, metal oxynitrides, silicon nitrides, silicon oxides and silicon oxynitrides. 17. The method of claim 16,
And the first organic film is interposed between the organic light emitting element and the first inorganic film. 17. The method of claim 16,
An electronic device in which said first inorganic film is interposed between said organic light emitting element and said first organic film Forming an organic light emitting device on the substrate; And
Forming a thin film encapsulation part that seals the organic light emitting device on the substrate,
The forming of the thin film encapsulation part includes providing and curing the composition for forming a thin film encapsulation part to cover the organic light emitting device.
The thin film encapsulation composition is formed to include a UV stabilized mixture,
And the UV stabilizing mixture comprises a UV absorber and a radical scavenger. 20. The method of claim 19,
The composition for forming a thin film encapsulation portion further comprises a monomer for forming a matrix resin and a photopolymerization initiator.

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