WO2022244983A1 - 헤테로 고리 화합물 및 이를 포함하는 유기 발광 소자 - Google Patents
헤테로 고리 화합물 및 이를 포함하는 유기 발광 소자 Download PDFInfo
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- WO2022244983A1 WO2022244983A1 PCT/KR2022/005150 KR2022005150W WO2022244983A1 WO 2022244983 A1 WO2022244983 A1 WO 2022244983A1 KR 2022005150 W KR2022005150 W KR 2022005150W WO 2022244983 A1 WO2022244983 A1 WO 2022244983A1
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- ASUOLLHGALPRFK-UHFFFAOYSA-N phenylphosphonoylbenzene Chemical group C=1C=CC=CC=1P(=O)C1=CC=CC=C1 ASUOLLHGALPRFK-UHFFFAOYSA-N 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000005581 pyrene group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- XGVXKJKTISMIOW-ZDUSSCGKSA-N simurosertib Chemical compound N1N=CC(C=2SC=3C(=O)NC(=NC=3C=2)[C@H]2N3CCC(CC3)C2)=C1C XGVXKJKTISMIOW-ZDUSSCGKSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 125000005247 tetrazinyl group Chemical group N1=NN=NC(=C1)* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000004305 thiazinyl group Chemical group S1NC(=CC=C1)* 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 125000005033 thiopyranyl group Chemical group 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000006617 triphenylamine group Chemical group 0.000 description 1
- 125000005580 triphenylene group Chemical group 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
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- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/624—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing six or more rings
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- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
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- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K50/18—Carrier blocking layers
- H10K50/181—Electron blocking layers
Definitions
- the present invention relates to a heterocyclic compound and an organic light emitting device including the same.
- An organic light emitting device is a type of self-luminous display device, and has advantages such as a wide viewing angle, excellent contrast, and fast response speed.
- the organic light emitting device has a structure in which an organic thin film is disposed between two electrodes. When voltage is applied to the organic light emitting device having such a structure, electrons and holes injected from the two electrodes are combined in the organic thin film to form a pair, and then emit light while disappearing.
- the organic thin film may be composed of a single layer or multiple layers as needed.
- the material of the organic thin film may have a light emitting function as needed.
- a compound capable of constituting the light emitting layer by itself may be used, or a compound capable of serving as a host or dopant of the host-dopant type light emitting layer may be used.
- a compound capable of performing functions such as hole injection, hole transport, electron blocking, hole blocking, electron transport, and electron injection may be used.
- Patent Document 1 US Patent No. 4,356,429
- the present invention is to provide a heterocyclic compound, an organic light emitting device including the same, a method for preparing the same, and a composition for an organic material layer.
- the present invention is to provide a heterocyclic compound, an organic light emitting device including the same, a method for preparing the same, and a composition for an organic material layer.
- At least one of R1 to R4 is a group represented by the following formula (2); Or a group represented by the following formula (3),
- At least one of R5 to R10 is a group represented by the following formula (2); Or a group represented by the following formula (3),
- Ar1 to Ar3 are the same as or different from each other, and each independently represents a substituted or unsubstituted C6 to C60 aryl group; Or a substituted or unsubstituted C2 to C60 heteroaryl group,
- L1 and L2 are the same as or different from each other, and are each independently a direct bond; A substituted or unsubstituted C6 to C60 arylene group; Or a substituted or unsubstituted C2 to C60 heteroarylene group,
- n and n are integers of 0 to 5, respectively, when m is 2 or more, L1 is the same as or different from each other, and when n is 2 or more, L2 is the same as or different from each other.
- the present invention is a first electrode
- An organic light emitting device comprising one or more organic material layers provided between the first electrode and the second electrode,
- At least one layer of the organic material layer provides an organic light emitting device that includes the heterocyclic compound represented by Formula 1 above.
- the present invention provides an organic light emitting device in which the organic material layer includes a hole transport layer, and the hole transport layer includes the heterocyclic compound represented by Chemical Formula 1.
- the present invention provides an organic light emitting device in which the organic material layer includes an electron blocking layer, and the electron blocking layer includes the heterocyclic compound represented by Chemical Formula 1.
- the present invention provides an organic light emitting device in which the organic material layer includes a light emitting auxiliary layer, and the light emitting auxiliary layer includes the heterocyclic compound represented by Chemical Formula 1.
- the heterocyclic compound of the present invention can be used as a material for an organic layer of an organic light emitting device.
- the heterocyclic compound may be used as a material for a hole injection layer, a hole transport layer, an electron blocking layer, a light emitting auxiliary layer, a light emitting layer, an electron transport layer, a hole blocking layer, an electron injection layer, a charge generating layer, or the like in an organic light emitting device.
- the heterocyclic compound represented by Chemical Formula 1 of the present invention may be used as a material for a hole transport layer, an electron blocking layer, or a light emitting auxiliary layer of an organic light emitting device.
- the heterocyclic compound represented by Formula 1 may be used alone or in combination with other compounds to be used as a material for a hole transport layer, an electron blocking layer, or a light emitting auxiliary layer.
- the heterocyclic compound represented by Chemical Formula 1 can improve the hole transporting ability of the hole transport layer by adjusting the band gap and T1 value, improve molecular stability, and delocalize the homo energy level to homoenergy. By stabilizing, it is possible to lower the driving voltage of the organic light emitting device and improve light emitting efficiency and lifetime characteristics.
- FIGS. 1 to 3 are diagrams schematically illustrating a stacked structure of an organic light emitting device according to an exemplary embodiment of the present invention.
- substitution means that a hydrogen atom bonded to a carbon atom of a compound is replaced with another substituent, and the position to be substituted is not limited as long as the hydrogen atom is substituted, that is, the position where the substituent is substituted , When two or more substituents are substituted, two or more substituents may be the same as or different from each other.
- halogen may be fluorine, chlorine, bromine or iodine.
- the alkyl group includes a straight or branched chain having 1 to 60 carbon atoms, and may be further substituted by other substituents.
- the number of carbon atoms of the alkyl group may be 1 to 60, specifically 1 to 40, and more specifically, 1 to 20.
- the alkenyl group includes a straight chain or branched chain having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- the alkenyl group may have 2 to 60 carbon atoms, specifically 2 to 40, and more specifically, 2 to 20.
- Specific examples include vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 3-methyl-1 -butenyl group, 1,3-butadienyl group, allyl group, 1-phenylvinyl-1-yl group, 2-phenylvinyl-1-yl group, 2,2-diphenylvinyl-1-yl group, 2-phenyl-2 -(naphthyl-1-yl)vinyl-1-yl group, 2,2-bis(diphenyl-1-yl)vinyl-1-yl group, stilbenyl group, styrenyl group, etc., but are not limited thereto .
- the alkynyl group includes a straight or branched chain having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- the number of carbon atoms of the alkynyl group may be 2 to 60, specifically 2 to 40, and more specifically, 2 to 20.
- the alkoxy group may be straight chain, branched chain or cyclic chain.
- the number of carbon atoms in the alkoxy group is not particularly limited, but is preferably 1 to 20 carbon atoms.
- the cycloalkyl group includes a monocyclic or polycyclic group having 3 to 60 carbon atoms, and may be further substituted with other substituents.
- the polycyclic means a group in which a cycloalkyl group is directly connected or condensed with another ring group.
- the other ring group may be a cycloalkyl group, but may also be another type of ring group, such as a heterocycloalkyl group, an aryl group, a heteroaryl group, and the like.
- the number of carbon atoms in the cycloalkyl group may be 3 to 60, specifically 3 to 40, and more specifically 5 to 20.
- the heterocycloalkyl group includes O, S, Se, N or Si as a hetero atom, and includes a monocyclic or polycyclic group having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- the polycyclic means a group in which a heterocycloalkyl group is directly connected or condensed with another ring group.
- the other ring group may be a heterocycloalkyl group, but may also be another type of ring group, such as a cycloalkyl group, an aryl group, a heteroaryl group, and the like.
- the heterocycloalkyl group may have 2 to 60, specifically 2 to 40, and more specifically 3 to 20 carbon atoms.
- the aryl group includes a monocyclic or polycyclic group having 6 to 60 carbon atoms, and may be further substituted with other substituents.
- the polycyclic means a group in which an aryl group is directly connected or condensed with another cyclic group.
- the other ring group may be an aryl group, but may also be another type of ring group, such as a cycloalkyl group, a heterocycloalkyl group, a heteroaryl group, and the like.
- the aryl group may include a spiro group.
- the number of carbon atoms of the aryl group may be 6 to 60, specifically 6 to 40, and more specifically 6 to 25.
- aryl group examples include a phenyl group, a biphenyl group, a triphenyl group, a naphthyl group, anthryl group, a chrysenyl group, a phenanthrenyl group, a perylenyl group, a fluoranthenyl group, a triphenylenyl group, a phenalenyl group, and a pyrene group.
- Nyl group tetracenyl group, pentacenyl group, fluorenyl group, indenyl group, acenaphthylenyl group, benzofluorenyl group, spirobifluorenyl group, 2,3-dihydro-1H-indenyl group, condensed ring groups thereof etc., but is not limited thereto.
- the phosphine oxide group includes a diphenylphosphine oxide group, a dinaphthylphosphine oxide group, and the like, but is not limited thereto.
- the silyl group is a substituent that includes Si and the Si atom is directly connected as a radical, and is represented by -SiR101R102R103, R101 to R103 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen group; an alkyl group; alkenyl group; alkoxy group; cycloalkyl group; aryl group; And it may be a substituent consisting of at least one of a heterocyclic group.
- silyl group examples include a trimethylsilyl group, a triethylsilyl group, a t-butyldimethylsilyl group, a vinyldimethylsilyl group, a propyldimethylsilyl group, a triphenylsilyl group, a diphenylsilyl group, a phenylsilyl group, and the like, It is not limited to this.
- the fluorenyl group may be substituted, and adjacent substituents may bond to each other to form a ring.
- the heteroaryl group includes S, O, Se, N or Si as a hetero atom, and includes a monocyclic or polycyclic group having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- the polycyclic means a group in which a heteroaryl group is directly connected or condensed with another ring group.
- the other ring group may be a heteroaryl group, but may also be another type of ring group, such as a cycloalkyl group, a heterocycloalkyl group, an aryl group, and the like.
- the heteroaryl group may have 2 to 60 carbon atoms, specifically 2 to 40, and more specifically 3 to 25 carbon atoms.
- heteroaryl group examples include a pyridyl group, a pyrrolyl group, a pyrimidyl group, a pyridazinyl group, a furanyl group, a thiophenyl group, an imidazolyl group, a pyrazolyl group, an oxazolyl group, an isoxazolyl group, and a thiazolyl group.
- Isothiazolyl group triazolyl group, furazanyl group, oxadiazolyl group, thiadiazolyl group, dithiazolyl group, tetrazolyl group, pyranyl group, thiopyranyl group, diazinyl group, oxazinyl group, Thiazinyl group, dioxynyl group, triazinyl group, tetrazinyl group, quinolyl group, isoquinolyl group, quinazolinyl group, isoquinazolinyl group, quinozolilyl group, naphthyridyl group, acridinyl group, phenanthridinyl group , Imidazopyridinyl group, diazanaphthalenyl group, triazanedenyl group, indolyl group, indolizinyl group, benzothiazolyl group, benzoxazolyl group, benzimidazolyl group, be
- the amine group is a monoalkylamine group; monoarylamine group; Monoheteroarylamine group; -NH 2 ; Dialkylamine group; Diaryl amine group; Diheteroarylamine group; an alkyl arylamine group; Alkylheteroarylamine group; And it may be selected from the group consisting of an arylheteroarylamine group, and the number of carbon atoms is not particularly limited, but is preferably 1 to 30.
- the amine group include a methylamine group, a dimethylamine group, an ethylamine group, a diethylamine group, a phenylamine group, a naphthylamine group, a biphenylamine group, a dibiphenylamine group, an anthracenylamine group, a 9- Methyl-anthracenylamine group, diphenylamine group, phenylnaphthylamine group, ditolylamine group, phenyltolylamine group, triphenylamine group, biphenylnaphthylamine group, phenylbiphenylamine group, biphenylfluorene
- it includes, but is not limited to, a ylamine group, a phenyltriphenylenylamine group, a biphenyltriphenylenylamine group, and the like.
- the arylene group means that the aryl group has two bonding sites, that is, a divalent group.
- the description of the aryl group described above can be applied except that each is a divalent group.
- the heteroarylene group means a heteroaryl group having two bonding sites, that is, a divalent group. The above description of the heteroaryl group may be applied except that each is a divalent group.
- adjacent refers to a substituent substituted on an atom directly connected to the atom on which the substituent is substituted, a substituent located sterically closest to the substituent, or another substituent substituted on the atom on which the substituent is substituted.
- two substituents substituted at ortho positions in a benzene ring and two substituents substituted at the same carbon in an aliphatic ring may be interpreted as “adjacent” to each other.
- "when no substituent is shown in the chemical formula or compound structure” may mean that all positions at which the substituent can occur are hydrogen or deuterium. That is, deuterium is an isotope of hydrogen, and some hydrogen atoms may be an isotope of deuterium, and in this case, the content of deuterium may be 0% to 100%.
- deuterium is one of the isotopes of hydrogen and is an element having a deuteron composed of one proton and one neutron as an atomic nucleus, hydrogen- It can be expressed as 2, and the element symbol can also be written as D or 2 H.
- isotopes which mean atoms having the same atomic number (Z) but different mass numbers (A), have the same number of protons, but have neutrons. It can also be interpreted as an element with a different number of neutrons.
- the meaning of the content T% of a specific substituent is when the total number of substituents that a base compound can have is defined as T1, and the number of specific substituents among them is defined as T2.
- T2 /T1 ⁇ 100 T%.
- the phenyl group represented by 20% of the deuterium content may mean that the total number of substituents that the phenyl group may have is 5 (T1 in the formula), and the number of deuterium is 1 (T2 in the formula) . That is, it can be represented by the following structural formula that the content of deuterium in the phenyl group is 20%.
- a phenyl group having a deuterium content of 0% it may mean a phenyl group that does not contain deuterium atoms, that is, has 5 hydrogen atoms.
- the C6 to C60 aromatic hydrocarbon ring means a compound containing an aromatic ring composed of C6 to C60 carbons and hydrogen, for example, phenyl, biphenyl, terphenyl, triphenylene, naphthalene, Anthracene, phenalene, phenanthrene, fluorene, pyrene, chrysene, perylene, azulene, etc. may be mentioned, but is not limited thereto, and all aromatic hydrocarbon ring compounds known in the art as those satisfying the above number of carbon atoms include
- the present invention provides a heterocyclic compound represented by Formula 1 below.
- At least one of R1 to R4 is a group represented by the following formula (2); Or a group represented by the following formula (3),
- At least one of R5 to R10 is a group represented by the following formula (2); Or a group represented by the following formula (3),
- Ar1 to Ar3 are the same as or different from each other, and each independently represents a substituted or unsubstituted C6 to C60 aryl group; Or a substituted or unsubstituted C2 to C60 heteroaryl group,
- L1 and L2 are the same as or different from each other, and are each independently a direct bond; A substituted or unsubstituted C6 to C60 arylene group; Or a substituted or unsubstituted C2 to C60 heteroarylene group,
- n and n are integers of 0 to 5, respectively, when m is 2 or more, L1 is the same as or different from each other, and when n is 2 or more, L2 is the same as or different from each other.
- R1 to R10 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; A substituted or unsubstituted C6 to C20 aryl group; A substituted or unsubstituted C2 to C20 heteroaryl group; a group represented by Formula 2; Alternatively, it may be a group represented by Formula 3 above.
- R1 to R10 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; a group represented by Formula 2; Alternatively, it may be a group represented by Formula 3 above.
- the compound represented by Formula 1 may not contain deuterium as a substituent, or the content of deuterium based on the total number of hydrogen atoms and deuterium atoms is, for example, greater than 0%, 1 % or more, 10% or more, 20% or more, 30% or more, 40% or more, or 50% or more, and 100% or less, 90% or less, 80% or less, 70% or less, or 60% or less.
- the compound represented by Formula 1 may not contain deuterium as a substituent, or the content of deuterium relative to the total number of hydrogen atoms and deuterium atoms may be 1% to 100%.
- the compound represented by Formula 1 may not contain deuterium as a substituent, or the content of deuterium relative to the total number of hydrogen atoms and deuterium atoms may be 20% to 100%.
- the compound represented by Formula 1 may not contain deuterium as a substituent, or the content of deuterium relative to the total number of hydrogen atoms and deuterium atoms may be 30% to 80%.
- the compound represented by Formula 1 may not contain deuterium as a substituent, or the content of deuterium relative to the total number of hydrogen atoms and deuterium atoms may be 50% to 70%.
- Ar1 and Ar2 are the same as or different from each other, and each independently represents a substituted or unsubstituted C6 to C30 aryl group; Or it may be a substituted or unsubstituted C2 to C30 heteroaryl group.
- Ar1 and Ar2 are the same as or different from each other, and each independently represents a substituted or unsubstituted C6 to C20 aryl group; Or it may be a substituted or unsubstituted C2 to C20 heteroaryl group.
- Ar1 and Ar2 are the same as or different from each other, and each independently represents a substituted or unsubstituted phenyl group; A substituted or unsubstituted naphthyl group; A substituted or unsubstituted biphenyl group; A substituted or unsubstituted terphenyl group; A substituted or unsubstituted fluorenyl group; A substituted or unsubstituted spirobifluorenyl group; Or it may be a substituted or unsubstituted dibenzofuranyl group.
- Ar3 is a substituted or unsubstituted C6 to C30 aryl group; Or it may be a substituted or unsubstituted C2 to C30 heteroaryl group.
- Ar3 is a substituted or unsubstituted C6 to C20 aryl group; Or it may be a substituted or unsubstituted C2 to C20 heteroaryl group.
- Ar3 is a substituted or unsubstituted phenyl group; A substituted or unsubstituted naphthyl group; A substituted or unsubstituted biphenyl group; A substituted or unsubstituted terphenyl group; A substituted or unsubstituted fluorenyl group; A substituted or unsubstituted spirobifluorenyl group; A substituted or unsubstituted dibenzofuranyl group; Or it may be a substituted or unsubstituted dibenzothiophenyl group.
- the L1 and L2 are the same as or different from each other, and each independently a direct bond; A substituted or unsubstituted C6 to C30 arylene group; Or it may be a substituted or unsubstituted C2 to C30 heteroarylene group.
- L1 and L2 are the same as or different from each other, and are each independently a direct bond; A substituted or unsubstituted C6 to C20 arylene group; Or it may be a substituted or unsubstituted C2 to C20 heteroarylene group.
- L1 and L2 are the same as or different from each other, and are each independently a direct bond; Or it may be a substituted or unsubstituted phenylene group.
- L1 and L2 are shown below, but are not limited to these examples.
- Formula 1 may be a heterocyclic compound represented by Formula 4 or Formula 5 below.
- a is an integer from 0 to 3, and when a is 2 or more, R11 is the same as or different from each other,
- b is an integer from 0 to 2, and when b is greater than or equal to 2, R12 is the same as or different from each other;
- c is an integer from 0 to 4, and when c is 2 or more, R13 is the same as or different from each other;
- Ar1, Ar2, L1 and m are the same as defined in Formula 2,
- Ar3, L2 and n are the same as defined in Chemical Formula 3 above.
- R11 to R13 are the same as or different from each other, and each independently hydrogen; or deuterium.
- Formula 1 may be a heterocyclic compound represented by Formula 6 or Formula 7 below.
- d is an integer from 0 to 3, and when d is 2 or more, R21 is the same as or different from each other;
- Ar1, Ar2, L1 and m are the same as defined in Formula 2,
- Ar3, L2 and n are the same as defined in Chemical Formula 3 above.
- R21 to R26 are the same as or different from each other, and each independently hydrogen; or deuterium.
- Formula 1 may be a heterocyclic compound represented by any one of the following compounds.
- substituents in the structure of Chemical Formula 1, compounds having unique characteristics of the introduced substituents can be synthesized.
- a substituent mainly used in hole injection layer materials, electron blocking layer materials, hole transport layer materials, light emitting layer materials, electron transport layer materials, hole blocking layer materials, and charge generating layer materials used in the manufacture of organic light emitting devices is introduced into the core structure. By doing so, it is possible to synthesize a material that satisfies the conditions required by each organic layer.
- An organic light emitting device comprising one or more organic material layers provided between the first electrode and the second electrode,
- At least one layer of the organic material layer relates to an organic light emitting device comprising a heterocyclic compound represented by Chemical Formula 1.
- the first electrode may be an anode
- the second electrode may be a cathode
- the first electrode may be a cathode and the second electrode may be an anode.
- the organic material layer may include at least one selected from the group consisting of an electron injection layer, an electron transport layer, a hole blocking layer, a light emitting layer, a light emitting auxiliary layer, an electron blocking layer, a hole transport layer, and a hole injection layer.
- the at least one layer selected from the group consisting of an electron injection layer, an electron transport layer, a hole blocking layer, a light emitting layer, a light emitting auxiliary layer, an electron blocking layer, a hole transporting layer, and a hole injection layer is a heterocyclic compound represented by Formula 1 above.
- the light emitting auxiliary layer serves to increase light emission efficiency by compensating for an optical resonance distance according to the wavelength of light emitted from the light emitting layer, and the electron blocking layer may serve to prevent electron injection from an electron transport region.
- the light emitting auxiliary layer is a layer positioned between the cathode and the light emitting layer or between the anode and the light emitting layer, and when the light emitting auxiliary layer is positioned between the cathode and the light emitting layer, hole injection and / or transfer is facilitated. It can be used for the purpose of blocking electron overflow, and when the light emitting auxiliary layer is located between the anode and the light emitting layer, it can be used for the purpose of facilitating injection and/or transfer of electrons or blocking the overflow of holes.
- the organic material layer may include a hole transport layer, and the hole transport layer may include a heterocyclic compound represented by Chemical Formula 1.
- the organic material layer may include an electron blocking layer, and the electron blocking layer may include a heterocyclic compound represented by Chemical Formula 1.
- the organic material layer may include a light emitting auxiliary layer, and the light emitting auxiliary layer may include a heterocyclic compound represented by the formula (1).
- the organic light emitting device may be a blue organic light emitting device, and the heterocyclic compound represented by Chemical Formula 1 may be used as a material for the blue organic light emitting device.
- the organic light emitting device may be a green organic light emitting device, and the heterocyclic compound represented by Chemical Formula 1 may be used as a material for the green organic light emitting device.
- the organic light emitting device may be a red organic light emitting device, and the heterocyclic compound represented by Chemical Formula 1 may be used as a material for the red organic light emitting device.
- the organic light emitting device may be a blue organic light emitting device, and the heterocyclic compound represented by Chemical Formula 1 may be used as a material for a light emitting layer of the blue organic light emitting device.
- the organic light emitting device may be a green organic light emitting device, and the heterocyclic compound represented by Chemical Formula 1 may be used as a material for a light emitting layer of the green organic light emitting device.
- the organic light emitting device may be a red organic light emitting device, and the heterocyclic compound represented by Chemical Formula 1 may be used as a material for an emission layer of the red organic light emitting device.
- the organic material layer may include an electron injection layer or an electron transport layer, and the electron injection layer or electron transport layer may include a heterocyclic compound represented by Chemical Formula 1.
- the organic material layer may include an electron blocking layer or a hole blocking layer, and the electron blocking layer or hole blocking layer may include a heterocyclic compound represented by Chemical Formula 1. .
- the organic material layer may include an electron transport layer, a light emitting layer, or a hole blocking layer, and the electron transport layer, the light emitting layer, or the hole blocking layer may include a heterocyclic compound represented by Chemical Formula 1.
- the organic material layer includes a hole transport layer, an electron blocking layer, or a light emitting auxiliary layer, and the hole transport layer, the electron blocking layer, or the light emitting auxiliary layer is a heterocyclic ring represented by Chemical Formula 1 above. compounds may be included.
- the organic light emitting diode of the present invention may be manufactured by conventional organic light emitting diode manufacturing methods and materials, except for forming one or more organic material layers using the aforementioned heterocyclic compound.
- the heterocyclic compound may be formed as an organic material layer by a solution coating method as well as a vacuum deposition method when manufacturing an organic light emitting device.
- the solution coating method means spin coating, dip coating, inkjet printing, screen printing, spraying, roll coating, etc., but is not limited to these.
- the organic material layer of the organic light emitting device of the present invention may have a single-layer structure, or may have a multi-layer structure in which two or more organic material layers are stacked.
- the organic light emitting device of the present invention may have a structure including a hole injection layer, an electron blocking layer, a hole transport layer, a light emitting layer, an electron transport layer, a hole blocking layer, an electron injection layer, a light emitting auxiliary layer, and the like as organic material layers.
- the structure of the organic light emitting device is not limited thereto and may include a smaller number of organic material layers.
- FIG. 1 to 3 illustrate the stacking order of the electrode and the organic material layer of the organic light emitting device according to an embodiment of the present invention.
- the scope of the present application be limited by these drawings, and structures of organic light emitting devices known in the art may be applied to the present application as well.
- an organic light emitting device in which an anode 200, an organic material layer 300, and a cathode 400 are sequentially stacked on a substrate 100 is shown.
- an organic light emitting device in which a cathode, an organic material layer, and an anode are sequentially stacked on a substrate may be implemented.
- the organic light emitting device according to FIG. 3 includes a hole injection layer 301, a hole transport layer 302, an emission layer 303, a hole blocking layer 304, an electron transport layer 305, and an electron injection layer 306.
- a hole injection layer 301 a hole transport layer 302
- an emission layer 303 a hole transport layer 302
- a hole blocking layer 304 an electron transport layer 305
- the scope of the present application is not limited by such a laminated structure, and layers other than the light emitting layer may be omitted as necessary, and other necessary functional layers may be further added.
- a light emitting auxiliary layer may be added (not shown in FIG. 3).
- one embodiment of the present invention provides a composition for an organic material layer of an organic light emitting device including the heterocyclic compound represented by Formula 1 above.
- composition for the organic material layer of the organic light emitting device can be used when forming the organic material of the organic light emitting device, and in particular, it can be more preferably used when forming a hole transport layer, an electron blocking layer, or a light emitting auxiliary layer.
- anode material Materials having a relatively high work function may be used as the anode material, and transparent conductive oxides, metals, or conductive polymers may be used.
- the anode material include metals such as vanadium, chromium, copper, zinc, and gold or alloys thereof; metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), and indium zinc oxide (IZO); combinations of metals and oxides such as ZnO: Al or SnO 2 : Sb; Conductive polymers such as poly(3-methylthiophene), poly[3,4-(ethylene-1,2-dioxy)thiophene] (PEDOT), polypyrrole, and polyaniline, but are not limited thereto.
- the cathode material Materials having a relatively low work function may be used as the cathode material, and metals, metal oxides, or conductive polymers may be used.
- Specific examples of the anode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, and lead, or alloys thereof; There are multi-layered materials such as LiF/Al or LiO 2 /Al, but are not limited thereto.
- a known hole injection layer material may be used, for example, a phthalocyanine compound such as copper phthalocyanine disclosed in U.S. Patent No. 4,356,429, or a phthalocyanine compound disclosed in Advanced Material, 6, p.677 (1994).
- Starburst amine derivatives described such as tris(4-carbazoyl-9-ylphenyl)amine (TCTA), 4,4',4′′-tris[phenyl(m-tolyl)amino]triphenylamine ( m-MTDATA), 1,3,5-tris[4-(3-methylphenylphenylamino)phenyl]benzene (m-MTDAPB), polyaniline/dodecylbenzenesulfonic acid, a soluble conductive polymer, or Poly(3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (Poly(3,4-ethylenedioxythiophene)/Poly(4-styrenesulfonate)), polyaniline/camphor sulfonic acid, or Polyaniline/Poly(4-styrenesulfonate) or the like can be used.
- TCTA tris(4-carbazoyl-9
- pyrazoline derivatives As the material for the hole transport layer, pyrazoline derivatives, arylamine derivatives, stilbene derivatives, triphenyldiamine derivatives, and the like may be used, and low-molecular or high-molecular materials may also be used.
- Materials for the electron transport layer include oxadiazole derivatives, anthraquinodimethane and derivatives thereof, benzoquinone and derivatives thereof, naphthoquinone and derivatives thereof, anthraquinone and derivatives thereof, tetracyanoanthraquinodimethane and derivatives thereof, and fluorenone.
- Derivatives, diphenyldicyanoethylene and its derivatives, diphenoquinone derivatives, metal complexes of 8-hydroxyquinoline and its derivatives, etc. may be used, and high molecular materials as well as low molecular materials may be used.
- LiF is typically used in the art, but the present application is not limited thereto.
- a red, green or blue light emitting material may be used as a material for the light emitting layer, and if necessary, two or more light emitting materials may be mixed and used. At this time, two or more light emitting materials may be deposited and used as individual sources, or may be pre-mixed and deposited as one source.
- a fluorescent material may be used as a material for the light emitting layer, but it may also be used as a phosphorescent material.
- As the material for the light emitting layer a single material that emits light by combining holes and electrons injected from the anode and the cathode may be used, but materials in which a host material and a dopant material are involved in light emission may also be used.
- hosts of the same series may be mixed and used, or hosts of different series may be mixed and used.
- two or more materials selected from among n-type host materials and p-type host materials may be selected and used as host materials for the light emitting layer.
- An organic light emitting device may be a top emission type, a bottom emission type, or a double side emission type depending on the material used.
- the heterocyclic compound according to an embodiment of the present invention may act on a principle similar to that applied to an organic light emitting device in an organic electronic device including an organic solar cell, an organic photoreceptor, and an organic transistor.
- the concentrated compound was slurried with a small amount of tetrahydrofuran and an excess of hexane and filtered. In order to purify the filtered compound, it was separated through silica chromatography with hexane and ethylacetate to obtain compound 420-3 (7-chloronaphthol [1,2-b] benzothiophene (7-chloronaphtho[ 1,2-b] benzothiophene) 40 g (148.83 mmol, yield 93.431%) was obtained.
- Tables 3 and 4 The synthesis results of the compounds described in Preparation Examples 1 to 4, Tables 1 and 2 are shown in Tables 3 and 4 below.
- Table 3 below is a measurement value of 1 H NMR (CDCl 3 , 300 Mz)
- Table 4 below is a measurement value of FD-mass spectrometer (FD-MS: Field desorption mass spectrometry).
- a transparent electrode ITO thin film obtained from glass for OLED (manufactured by Samsung-Corning Co.) was washed with trichlorethylene, acetone, ethanol, and distilled water sequentially for 5 minutes using ultrasonic waves, and then stored in isopropanol before use.
- a current was applied to the cell to evaporate 2-TNATA, and a hole injection layer having a thickness of 600 ⁇ was deposited on the ITO substrate.
- a compound represented by Formula 1 or the comparative compound described in Table 5 below was put into another cell in the vacuum deposition equipment, and a current was applied to the cell to evaporate it, and a hole transport layer having a thickness of 300 ⁇ was deposited on the hole injection layer.
- a blue light emitting material having the following structure was deposited thereon as a light emitting layer.
- H1 a blue light emitting host material
- D1 a blue light-emitting dopant material
- lithium fluoride (LiF) was deposited to a thickness of 10 ⁇ as an electron injection layer
- aluminum (Al) was deposited to a thickness of 1,000 ⁇ on the electron injection layer to form a cathode, thereby fabricating an organic light emitting device.
- all organic compounds required for manufacturing an organic light emitting device were purified by vacuum sublimation under 10 ⁇ 6 to 10 ⁇ 8 torr for each material, and used for manufacturing an organic light emitting device.
- the comparative compound used in the hole transport layer of the comparative example is as follows.
- the electroluminescence (EL) characteristics of the organic electroluminescent device manufactured as described above were measured with McScience's M7000, and with the measurement result, the standard luminance was 700 At cd/m 2 , lifetime T 95 , which is the time required to reach 95% of the initial luminance, was measured.
- Table 5 shows the results of measuring driving voltage, luminous efficiency, color coordinates (CIE), and lifetime (T 95 ) of the blue organic light emitting device manufactured according to the above manufacturing method.
- Example 1 20 4.80 6.60 (0.134, 0.100) 53 Example 2 24 4.78 6.64 (0.134, 0.100) 49 Example 3 32 4.75 6.69 (0.134, 0.100) 47
- Example 4 40 4.73 6.70 (0.134, 0.101) 48
- Example 5 48
- Example 6 56
- Example 7 64
- Example 8 71 4.84 6.68 (0.134, 0.100) 46
- Example 9 72 4.79 6.60 (0.134, 0.100) 47
- Example 10 80 4.76 6.81 (0.134, 0.101) 49
- Example 11 96 4.88 6.74 (0.134, 0.101) 50
- Example 12 98 4.83 6.70 (0.134, 0.100) 46
- Example 13 120 4.75 6.69 (0.134, 0.100) 44
- Example 14 138 4.69 6.68 (0.134, 0.101) 49
- Example 15 141 4.61 6.83 (0.134)
- the unshared electron pair of an amine improves the flow of holes, and can improve the hole transport ability of the hole transport layer.
- the thermal stability of the heterocyclic compound of the present invention was increased by increasing the planarity and glass transition temperature of the amine derivative as Ar1 and Ar2 of Chemical Formula 2 and the amine moiety, which had enhanced hole characteristics, were bonded.
- the Ar1 and Ar2 delocalize the energy level of the heterocyclic compound to stabilize the HOMO energy, and thus the organic light emitting device has excellent light emitting efficiency and lifespan.
- the hole transfer ability is improved and the stability of the molecule is also increased, so the driving voltage of the organic light emitting device is lowered and .
- the hole characteristic refers to a characteristic that can form holes by donating electrons when an electric field is applied, and has conduction characteristics along the HOMO level, so that holes formed in the anode are injected into the light emitting layer, holes formed in the light emitting layer It means the characteristic that facilitates the movement of to the anode and the movement in the light emitting layer, and the electronic characteristic refers to the characteristic that can receive electrons when an electric field is applied. It refers to a property that facilitates injection into the light emitting layer, movement of electrons formed in the light emitting layer to the cathode, and movement in the light emitting layer.
- a glass substrate coated with a thin film of ITO (Indium Tin Oxide) to a thickness of 1,500 ⁇ was washed with distilled water and ultrasonic waves. After washing with distilled water, it was ultrasonically washed with solvents such as acetone, methanol, and isopropyl alcohol, dried, and then treated with UVO for 5 minutes using UV in a UV cleaner. Thereafter, the substrate was transferred to a plasma cleaner (PT), plasma treated to increase the work function of ITO and remove residual films in a vacuum state, and transferred to a thermal evaporation equipment for organic deposition.
- PT plasma cleaner
- NPB N,N'-bis( ⁇ -naphthyl)-N,N'-diphenyl-4,4'-diamine
- a compound represented by Formula 1 or a comparative compound shown in Table 6 was deposited to a thickness of 100 ⁇ .
- a light emitting layer was thermally vacuum deposited thereon as follows.
- the light emitting layer is 9-[4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl] -9' -phenyl-3,3'-bi-9H-carbazole as a host.
- the compound of (9-[4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl] -9' -phenyl-3,3'-Bi-9H-carbazole) was diluted to 400 ⁇ .
- the green phosphorescent dopant was deposited by doping Ir(ppy) 3 by 7%. Thereafter, 60 ⁇ of BCP was deposited as a hole blocking layer, and 200 ⁇ of Alq 3 was deposited thereon as an electron transport layer.
- lithium fluoride (LiF) is deposited on the electron transport layer to a thickness of 10 ⁇ to form an electron injection layer
- aluminum (Al) is deposited on the electron injection layer to a thickness of 1,200 ⁇ to form a cathode, thereby forming an organic A light emitting device was manufactured.
- the comparative compound used in the light emitting auxiliary layer of the comparative example is as follows.
- the electroluminescence (EL) characteristics of the organic electroluminescent device manufactured as described above were measured with McScience's M7000, and the standard luminance was measured at 6,000 At cd/m 2 , lifetime T 90 , which is the time required to reach 90% of the initial luminance, was measured.
- Table 6 shows the results of measuring the driving voltage, luminous efficiency, and lifetime (T 90 ) of the green organic light emitting device manufactured according to the above manufacturing method.
- Example 55 20 4.73 6.68 208
- Example 56 24 4.80 6.74 220
- Example 57 32 4.77 6.66 253
- Example 58 40 4.76 6.63 213
- Example 59 48 4.76 6.72 213
- Example 60 56 4.73 6.80 197
- Example 61 64 4.79 6.73 220
- Example 62 71 4.70 6.70 210
- Example 63 72 4.76 6.69 240
- Example 64 80 4.73 6.71 256
- Example 65 96 4.80 6.73 224
- Example 67 120 4.81 6.75 242
- Example 68 138 4.79 6.73 222
- Example 69 141 4.76 6.63 213
- Example 70 179 4.76 6.72 213
- Example 71 191 4.75 6.70 250
- Example 72 4.80 6.74 220
- Example 73 228 4.77 6.66 253
- Example 74 236 4.76 6.63 213
- Example 75 243
- 4.76 6.72 213 Example 76
- the organic light emitting devices of Examples 55 to 108 using the heterocyclic compound of the present invention when forming the light emitting auxiliary layer have a homo (HOMO) energy level according to the substituents of Formulas 2 and 3
- the homo energy can be stabilized by delocalization. Accordingly, it is possible to effectively prevent electrons from passing over from the opposite side of the electron transport layer, and it can be seen that the driving voltage is lower than the organic light emitting devices of Comparative Examples 8 to 14, and the luminous efficiency and lifespan are excellent when forming the light emitting auxiliary layer.
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Abstract
Description
화합물 번호 |
1H NMR(CDCl3, 200Mz) |
20 | δ= 8.97(1H, d), 8.12(1H, d), 7.75~7.79(6H, m), 7.37~7.59(22H, m) |
24 | δ= 8.97(1H, d), 8.10~8.12(2H, t), 7.75~7.79(4H, m), 7.67 (1H, s), 7.37~7.55(11H, m), 7.25(4H, s), 7.08(2H, m) |
32 | δ= 8.97(1H, d), 8.12(1H, d), 7.75~7.90(8H, m), 7.67 (1H, s),7.19~7.55(25H, m), 7.06(1H, s) |
40 | δ= 8.97(1H, d), 8.10~8.12(2H, t), 7.98(1H, s), 7.79(2H, t), 7.28~7.59(19H, m), 6.98~7.14(3H, m), 6.97 (1H,s) |
48 | δ= 8.97(1H, t), 8.5(1H, d), 8.09~8.20(3H, m), 7.75~7.77(3H, m),7.39~7.59(12H, m), 7.17~7.24(8H, m) |
56 | δ= 8.97(1H, t), 8.5(1H, d), 8.20(1H, d), 8.09~8.12(3H, t), 7.75~7.77(3H, t), 7.08(1H, s), 7.39~7.59(12H, m), 7.25~7.45(10H, m) |
64 | δ= 8.97(1H, t), 8.5(1H, d), 8.20(1H, d), 8.09~8.12(2H, t), 7.55~7.75(5H, m), 7.67 (1H, s),7.37~7.55(21H, m), 7.25(4H, s), |
71 | δ= 8.97(1H, d), 7.98~8.15(6H, m), 7.81(1H, s), 7.08~7.64(20H, m), 7.00~7.08(3H, m) |
72 | δ= 8.97(1H, d), 7.98~8.12(4H, m), 7.67~7.78(5H, m), 7.31~7.59(21H, m), 7.11(1H, s) |
80 | δ= 8.97(1H, d), 8.55(2H, d), 8.32(2H, d), 8.12(1H, d), 7.67~7.78(7H, m), 7.41~7.59(18H, m), 7.11(2H, s) |
96 | δ= 8.97(1H, d), 8.10~8.12(2H, t), 7.89~7.90(2H, t), 7.27~7.59(26H, m), 7.11(2H, s) |
98 | δ= 8.97(1H, d), 8.12 (1H, d), 8.04 (3H, s), 7.75(6H, d), 7.37~7.59(15H, m), 7.24~7.25(6H, m), 7.00~7.08 (3H, m) |
120 | δ= 8.97(1H, d), 8.12 (1H, d), 7.95 (1H, s), 7.67 (1H, s), 7.37~7.59(20H, m) |
138 | δ= 8.97(1H, d), 8.12 (1H, d), 7.95~7.98(2H, m), 7.28~7.59(25H, m), 6.97(1H, d) |
141 | δ= 8.97(1H, d),7.95~8.12(5H, m), 7.75~7.85(5H, m), 7.67 (1H, s),7.27~7.59 (19H, m), 7.17~7.18(2H, m) |
179 | δ= 8.97(1H, d), 8.55 (2H, d), 8.32 (2H, d),8.09~8.12(3H, m), 7.95 (1H, s), 7.81~7.85(2H, m),7.41~7.63(10H, m), 7.24(2H, t), 7.08(3H, m) |
191 | δ= 8.97(1H, d), 8.09~8.15(4H, m), 7.78~7.90 (6H, m) 7.38~7.63(10H, m), 7.08~7.26(15H, m) |
220 | δ= 8.97(1H, d), 8.12 (1H, d), 8.01 (1H, d), 7.7~7.59 (28H, m) |
228 | δ= 8.97(1H, d), 8.10~8.12(2H, m), 8.07 (1H, d), 7.79~7.90 (4H, m), 7.33~7.46 (12H, m), 7.08~7.16 (4H, m), 1.69(6H, s) |
236 | δ= 8.97(1H, d), 8.12 (1H, d), 8.01 (1H, d), 7.79~7.90 (6H, m), 7.28~7.46 (10H, m),7.16(2H, d), 1.69(12H, s) |
243 | δ= 8.97(2H, t), 8.50 (1H, d), 8.09~8.20(3H, m), 8.01 (1H, d),7.77(1H, t), 7.52~7.67 (5H, m), 7.39~7.43 (2H, m), 7.24(4H, t), 7.00~7.08 (6H, m) |
251 | δ= 8.97(2H, t), 8.50 (1H, d), 8.01~8.20(7H, m), 7.77~7.81 (2H, m), 7.37~7.63 (16H, m), 7.08~7.14 (3H, m) |
259 | δ= 8.97(2H, t), 8.50 (1H, d), 8.09~8.20(3H, m), 8.01 (1H, d), 7.39~7.68 (23H, m), 7.25(4H, s), 7.11(1H, s) |
292 | δ= 8.97(1H, d), 8.09~8.12(2H, m), 8.01 (1H, d), 7.89~7.90 (2H, m), 7.38~7.78 (20H, m), 7.10~7.28 (12H, m) |
332 | δ= 8.97(1H, d), 8.11~8.12(2H, t), 7.75~7.79 (8H, m), 7.67 (1H, s), 7.17~7.59 (13H, m), 7.06 (1H, d) |
377 | δ= 8.97(1H, d), 8.55(1H, d), 8.32(1H, d), 8.11~8.12(2H, t), 7.67~7.70 (3H, m), 7.41~7.59 (9H, m), 7.24 (4H, t), 7.00~7.08 (6H, m) |
684 | δ= 8.97(1H, d), 8.12(1H, d), 7.75 (4H, d), 7.37~7.59 (20H, m) |
688 | δ= 8.97(1H, d), 8.12(1H, d), 7.75 (2H, d), 7.67 (1H, s), 7.41~7.59 (8H, m), 7.25 (4H, s) |
693 | δ= 8.97(1H, d), 8.12(1H, d), 7.75 (4H, d), 7.37~7.59 (20H, m) |
420 | δ= 8.12(2H, d), 8.03(1H, d), 7.94~7.95 (2H, t), 7.37~7.79 (25H, m) |
432 | δ= 8.12(2H, d), 8.03(1H, d), 7.19~7.90 (21H, m), 7.06 (1H, d) |
440 | δ=7.94~8.12 (7H, m), 7.79 (2H, d), 7.28~7.59 (15H, m), 7.08~7.14 (3H, m), 6.97 (1H, d) |
447 | δ= 8.95(1H, d), 8.50(1H, d), 8.03~8.12(5H, m), 7.94~7.95 (2H, t), 7.37~7.77 (15H, m), 7.24 (2H, t), 7.00~7.08 (3H, m) |
455 | δ= 8.95(1H, d), 8.50(1H, d), 8.20(1H, d), 8.03~8.12(4H, m), 7.94~7.95 (2H, t), 7.41~7.77 (12H, m), 7.17~7.25 (9H, m), 7.00~7.08 (3H, m) |
467 | δ=7.94~8.12 (10H, m), 7.81 (1H, t), 7.39~7.63 (13H, m), 7.00~7.08 (3H, m) |
475 | δ= 8.55(1H, d), 8.45(1H, d), 8.32(1H, d), 8.12~8.22(3H, m), 8.03(1H, d), 7.93~7.95 (3H, t), 7.81(1H, d), 7.49~7.70 (10H, m), 7.24 (2H, t), 7.00~7.08 (3H, m) |
487 | δ= 8.45(1H, d), 8.03~8.13(7H, m), 7.93~7.95 (3H, t), 7.79~7.81 (3H, m), 7.41~7.59 (12H, m), 7.24 (2H, t), 7.00~7.08 (3H, m) |
495 | δ=8.03~8.15(6H, m), 7.81~7.95 (7H, m), 7.24~7.59 (17H, m), 7.00~7.08 (3H, m) |
507 | δ=8.10~8.12(6H, m), 7.95~7.99 (2H, m), 7.75 (2H, d), 7.39~7.59 (10H, m), 7.24 (2H, t), 7.00~7.08 (5H, m) |
515 | δ=8.12~8.15(6H, m), 7.95~7.99 (2H, m), 7.75~7.81 (5H, m), 7.39~7.63 (13H, m), 7.25 (4H, s) |
531 | δ= 8.12(4H, d), 7.85~7.99 (4H, m), 7.24 (4H, t), 7.27~7.59 (20H, m), 7.06 (1H, s) |
543 | δ= 8.95(1H, d), 8.50(1H, d), 8.09~8.20(6H, m), 7.77(1H, t), 7.50~7.59 (3H, m), 7.39(1H, t), 7.24 (4H, t), 7.00~7.08 (6H, m) |
555 | δ= 8.95(1H, d), 8.50(1H, d), 8.09~8.20(6H, m), 7.95~7.99 (3H, t), 7.75~7.77 (3H, t), 7.39~7.59 (6H, m), 7.17~7.27 (9H, m), 7.00~7.08 (3H, m) |
565 | δ=7.98~8.12(9H, m), 7.50~7.59 (4H, t), 7.24~7.39 (6H, m), 7.00~7.08 (6H, m) |
579 | δ= 8.55(2H, d), 8.32(2H, d), 8.12~8.22(6H, m), 7.95~7.99 (3H, t), 7.81(1H, t), 7.41~7.70 (13H, m), 7.24(2H, t), 7.00~7.08 (3H, m) |
595 | δ=8.08~8.22(7H, m), 7.79~7.99 (7H, m), 7.24~7.68 (17H, m), 7.00~7.08 (3H, m) |
620 | δ=8.12~8.24(5H, m), 7.95(1H, s), 7.75(6H, t), 7.37~7.55 (19H, m) |
636 | δ= 8.55(1H, d), 8.45(1H, d), 8.32(1H, d), 8.12~8.24(5H, m), 7.93~7.95 (2H, t), 7.70~7.78 (5H, m), 7.40~7.59 (12H, m), 7.11(2H, s) |
655 | δ= 8.55(1H, d), 8.32(1H, d), 8.12~8.22(4H, m), 7.95(1H, s), 7.41~7.75 (22H, m), 7.25(4H, s) |
660 | δ= 8.55(1H, d), 8.32(1H, d), 8.12(2H, d), 7.95(1H, s), 7.70~7.75 (5H, m), 7.37~7.59 (10H, m) |
673 | δ= 8.55(2H, d), 8.45(1H, d), 8.32(2H, d), 8.12(2H, d), 7.70(2H, t), 7.49~7.59 (4H, m), 7.24(4H, t), 7.00~7.08 (6H, m) |
700 | δ= 7.94~8.12(5H, m), 7.79(2H, d), 7.41~7.68(6H, m), |
689 | Proton(H) 없어 검출 안 됨 |
690 | Proton(H) 없어 검출 안 됨 |
화합물 | FD-MS | 화합물 | FD-MS |
20 | Molecular Weight: 629.82 | 688 | Molecular Weight: 724.03 |
24 | Molecular Weight: 705.92 | 693 | Molecular Weight: 726.94 |
32 | Molecular Weight: 792.01 | 420 | Molecular Weight: 629.82 |
40 | Molecular Weight: 643.80 | 432 | Molecular Weight: 792.01 |
48 | Molecular Weight: 603.78 | 440 | Molecular Weight: 643.80 |
56 | Molecular Weight: 679.88 | 447 | Molecular Weight: 603.78 |
64 | Molecular Weight: 755.98 | 455 | Molecular Weight: 679.88 |
71 | Molecular Weight: 693.86 | 467 | Molecular Weight: 617.77 |
72 | Molecular Weight: 743.92 | 475 | Molecular Weight: 633.83 |
80 | Molecular Weight: 759.98 | 487 | Molecular Weight: 709.92 |
96 | Molecular Weight: 816.03 | 495 | Molecular Weight: 765.97 |
98 | Molecular Weight: 782.02 | 507 | Molecular Weight: 553.72 |
120 | Molecular Weight: 629.82 | 515 | Molecular Weight: 679.88 |
138 | Molecular Weight: 643.80 | 531 | Molecular Weight: 792.01 |
141 | Molecular Weight: 719.90 | 543 | Molecular Weight: 527.68 |
179 | Molecular Weight: 709.92 | 555 | Molecular Weight: 679.88 |
191 | Molecular Weight: 767.99 | 565 | Molecular Weight: 567.71 |
220 | Molecular Weight: 629.82 | 579 | Molecular Weight: 709.92 |
228 | Molecular Weight: 669.89 | 595 | Molecular Weight: 765.97 |
236 | Molecular Weight: 709.95 | 620 | Molecular Weight: 629.82 |
243 | Molecular Weight: 527.68 | 636 | Molecular Weight: 683.89 |
251 | Molecular Weight: 653.84 | 655 | Molecular Weight: 679.88 |
259 | Molecular Weight: 729.94 | 660 | Molecular Weight: 629.82 |
292 | Molecular Weight: 818.05 | 673 | Molecular Weight: 583.77 |
332 | Molecular Weight: 792.01 | 700 | Molecular Weight: 647.93 |
377 | Molecular Weight: 659.86 | 689 | Molecular Weight: 661.01 |
684 | Molecular Weight: 714.97 | 690 | Molecular Weight: 661.01 |
화합물 | 구동전압 (V) |
발광효율 (cd/A) |
CIE (x, y) |
수명 (T95) |
|
실시예 1 | 20 | 4.80 | 6.60 | (0.134, 0.100) | 53 |
실시예 2 | 24 | 4.78 | 6.64 | (0.134, 0.100) | 49 |
실시예 3 | 32 | 4.75 | 6.69 | (0.134, 0.100) | 47 |
실시예 4 | 40 | 4.73 | 6.70 | (0.134, 0.101) | 48 |
실시예 5 | 48 | 4.79 | 6.68 | (0.134, 0.101) | 50 |
실시예 6 | 56 | 4.78 | 6.73 | (0.134, 0.100) | 49 |
실시예 7 | 64 | 4.81 | 6.70 | (0.134, 0.100) | 49 |
실시예 8 | 71 | 4.84 | 6.68 | (0.134, 0.100) | 46 |
실시예 9 | 72 | 4.79 | 6.60 | (0.134, 0.100) | 47 |
실시예 10 | 80 | 4.76 | 6.81 | (0.134, 0.101) | 49 |
실시예 11 | 96 | 4.88 | 6.74 | (0.134, 0.101) | 50 |
실시예 12 | 98 | 4.83 | 6.70 | (0.134, 0.100) | 46 |
실시예 13 | 120 | 4.75 | 6.69 | (0.134, 0.100) | 44 |
실시예 14 | 138 | 4.69 | 6.68 | (0.134, 0.101) | 49 |
실시예 15 | 141 | 4.61 | 6.83 | (0.134, 0.101) | 50 |
실시예 16 | 179 | 4.80 | 6.60 | (0.134, 0.100) | 53 |
실시예 17 | 191 | 4.78 | 6.64 | (0.134, 0.100) | 49 |
실시예 18 | 220 | 4.75 | 6.69 | (0.134, 0.100) | 47 |
실시예 19 | 228 | 4.73 | 6.70 | (0.134, 0.101) | 48 |
실시예 20 | 236 | 4.79 | 6.68 | (0.134, 0.101) | 50 |
실시예 21 | 243 | 4.78 | 6.73 | (0.134, 0.100) | 49 |
실시예 22 | 251 | 4.81 | 6.70 | (0.134, 0.100) | 49 |
실시예 23 | 259 | 4.84 | 6.68 | (0.134, 0.100) | 46 |
실시예 24 | 292 | 4.79 | 6.60 | (0.134, 0.100) | 47 |
실시예 25 | 332 | 4.76 | 6.81 | (0.134, 0.101) | 49 |
실시예 26 | 377 | 4.88 | 6.74 | (0.134, 0.101) | 50 |
실시예 27 | 684 | 4.83 | 6.70 | (0.134, 0.100) | 46 |
실시예 28 | 688 | 4.75 | 6.69 | (0.134, 0.100) | 44 |
실시예 29 | 693 | 4.69 | 6.68 | (0.134, 0.101) | 49 |
실시예 30 | 420 | 4.61 | 6.83 | (0.134, 0.101) | 50 |
실시예 31 | 432 | 4.80 | 6.60 | (0.134, 0.100) | 53 |
실시예 32 | 440 | 4.78 | 6.64 | (0.134, 0.100) | 49 |
실시예 33 | 447 | 4.75 | 6.69 | (0.134, 0.100) | 47 |
실시예 34 | 455 | 4.73 | 6.70 | (0.134, 0.101) | 48 |
실시예 35 | 467 | 4.79 | 6.68 | (0.134, 0.101) | 50 |
실시예 36 | 475 | 4.78 | 6.73 | (0.134, 0.100) | 49 |
실시예 37 | 487 | 4.81 | 6.70 | (0.134, 0.100) | 49 |
실시예 38 | 495 | 4.84 | 6.68 | (0.134, 0.100) | 46 |
실시예 39 | 507 | 4.79 | 6.60 | (0.134, 0.100) | 47 |
실시예 40 | 515 | 4.76 | 6.81 | (0.134, 0.101) | 49 |
실시예 41 | 531 | 4.88 | 6.74 | (0.134, 0.101) | 50 |
실시예 42 | 543 | 4.83 | 6.70 | (0.134, 0.100) | 46 |
실시예 43 | 555 | 4.75 | 6.69 | (0.134, 0.100) | 44 |
실시예 44 | 565 | 4.69 | 6.68 | (0.134, 0.101) | 49 |
실시예 45 | 579 | 4.61 | 6.83 | (0.134, 0.101) | 50 |
실시예 46 | 595 | 4.81 | 6.70 | (0.134, 0.100) | 49 |
실시예 47 | 620 | 4.84 | 6.68 | (0.134, 0.100) | 46 |
실시예 48 | 636 | 4.79 | 6.60 | (0.134, 0.100) | 47 |
실시예 49 | 655 | 4.76 | 6.81 | (0.134, 0.101) | 49 |
실시예 50 | 660 | 4.88 | 6.74 | (0.134, 0.101) | 50 |
실시예 51 | 673 | 4.83 | 6.70 | (0.134, 0.100) | 46 |
실시예 52 | 700 | 4.75 | 6.69 | (0.134, 0.100) | 44 |
실시예 53 | 689 | 4.69 | 6.68 | (0.134, 0.101) | 49 |
실시예 54 | 690 | 4.61 | 6.83 | (0.134, 0.101) | 50 |
비교예 1 | NPB | 5.16 | 6.10 | (0.134, 0.101) | 32 |
비교예 2 | HT1 | 5.19 | 6.11 | (0.134, 0.101) | 33 |
비교예 3 | HT2 | 5.20 | 6.19 | (0.134, 0.101) | 31 |
비교예 4 | HT3 | 5.20 | 6.22 | (0.134, 0.101) | 35 |
비교예 5 | HT4 | 5.20 | 6.22 | (0.134, 0.101) | 38 |
비교예 6 | HT5 | 5.20 | 6.11 | (0.134, 0.101) | 35 |
비교예 7 | HT6 | 5.20 | 6.22 | (0.134, 0.101) | 38 |
화합물 | 구동전압 (V) |
발광효율 (cd/A) |
수명 (T90) |
|
실시예 55 | 20 | 4.73 | 6.68 | 208 |
실시예 56 | 24 | 4.80 | 6.74 | 220 |
실시예 57 | 32 | 4.77 | 6.66 | 253 |
실시예 58 | 40 | 4.76 | 6.63 | 213 |
실시예 59 | 48 | 4.76 | 6.72 | 213 |
실시예 60 | 56 | 4.73 | 6.80 | 197 |
실시예 61 | 64 | 4.79 | 6.73 | 220 |
실시예 62 | 71 | 4.70 | 6.70 | 210 |
실시예 63 | 72 | 4.76 | 6.69 | 240 |
실시예 64 | 80 | 4.73 | 6.71 | 256 |
실시예 65 | 96 | 4.80 | 6.73 | 224 |
실시예 66 | 98 | 4.73 | 6.69 | 213 |
실시예 67 | 120 | 4.81 | 6.75 | 242 |
실시예 68 | 138 | 4.79 | 6.73 | 222 |
실시예 69 | 141 | 4.76 | 6.63 | 213 |
실시예 70 | 179 | 4.76 | 6.72 | 213 |
실시예 71 | 191 | 4.75 | 6.70 | 250 |
실시예 72 | 220 | 4.80 | 6.74 | 220 |
실시예 73 | 228 | 4.77 | 6.66 | 253 |
실시예 74 | 236 | 4.76 | 6.63 | 213 |
실시예 75 | 243 | 4.76 | 6.72 | 213 |
실시예 76 | 251 | 4.73 | 6.80 | 197 |
실시예 77 | 259 | 4.79 | 6.73 | 220 |
실시예 78 | 292 | 4.70 | 6.70 | 210 |
실시예 79 | 332 | 4.76 | 6.69 | 240 |
실시예 80 | 377 | 4.73 | 6.71 | 256 |
실시예 81 | 684 | 4.80 | 6.73 | 224 |
실시예 82 | 688 | 4.73 | 6.69 | 213 |
실시예 83 | 693 | 4.81 | 6.75 | 242 |
실시예 84 | 420 | 4.79 | 6.73 | 222 |
실시예 85 | 432 | 4.76 | 6.63 | 213 |
실시예 86 | 440 | 4.76 | 6.72 | 213 |
실시예 87 | 447 | 4.73 | 6.80 | 197 |
실시예 88 | 455 | 4.79 | 6.73 | 220 |
실시예 89 | 467 | 4.70 | 6.70 | 210 |
실시예 90 | 475 | 4.76 | 6.69 | 240 |
실시예 91 | 487 | 4.73 | 6.71 | 256 |
실시예 92 | 495 | 4.80 | 6.73 | 224 |
실시예 93 | 507 | 4.73 | 6.69 | 213 |
실시예 94 | 515 | 4.81 | 6.75 | 242 |
실시예 95 | 531 | 4.79 | 6.73 | 222 |
실시예 96 | 543 | 4.76 | 6.63 | 213 |
실시예 97 | 555 | 4.76 | 6.72 | 213 |
실시예 98 | 565 | 4.73 | 6.80 | 197 |
실시예 99 | 579 | 4.79 | 6.73 | 220 |
실시예 100 | 595 | 4.70 | 6.70 | 210 |
실시예 101 | 620 | 4.76 | 6.69 | 240 |
실시예 102 | 636 | 4.73 | 6.71 | 256 |
실시예 103 | 655 | 4.80 | 6.73 | 224 |
실시예 104 | 660 | 4.73 | 6.69 | 213 |
실시예 105 | 673 | 4.81 | 6.75 | 242 |
실시예 106 | 700 | 4.79 | 6.73 | 222 |
실시예 107 | 689 | 4.76 | 6.72 | 213 |
실시예 108 | 690 | 4.73 | 6.80 | 197 |
비교예 8 | NPB | 5.32 | 6.18 | 172 |
비교예 9 | HT1 | 5.36 | 6.14 | 171 |
비교예 10 | HT2 | 5.30 | 6.18 | 182 |
비교예 11 | HT3 | 5.33 | 6.16 | 167 |
비교예 12 | HT4 | 5.30 | 6.10 | 178 |
비교예 13 | HT5 | 5.20 | 6.22 | 168 |
비교예 14 | HT6 | 5.19 | 6.22 | 149 |
Claims (13)
- 하기 화학식 1로 표시되는 헤테로 고리 화합물:[화학식 1]상기 화학식 1에 있어서,상기 R1 내지 R10은 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐; 시아노기; 치환 또는 비치환된 C1 내지 C60의 알킬기; 치환 또는 비치환된 C2 내지 C60의 알케닐기; 치환 또는 비치환된 C2 내지 C60의 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C2 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기; -P(=O)R101R102; -SiR101R102R103; 하기 화학식 2로 표시되는 기; 및 하기 화학식 3으로 표시되는 기로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기가 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소 고리; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로 고리를 형성하며, 상기 R101, R102, 및 R103은 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 C1 내지 C60의 알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기이며,상기 R1 내지 R4 중 적어도 하나는 하기 화학식 2로 표시되는 기; 또는 하기 화학식 3으로 표시되는 기이고,상기 R5 내지 R10 중 적어도 하나는 하기 화학식 2로 표시되는 기; 또는 하기 화학식 3으로 표시되는 기이고,[화학식 2][화학식 3]상기 화학식 2 및 화학식 3에 있어서,상기 Ar1 내지 Ar3은 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 C6 내지 C60의 아릴기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기이고,상기 L1 및 L2는 서로 같거나 상이하고, 각각 독립적으로 직접결합; 치환 또는 비치환된 C6 내지 C60의 아릴렌기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴렌기이고,상기 m 및 n은 각각 0 내지 5의 정수이며, m이 2 이상인 경우 L1은 서로 같거나 상이하고, n이 2 이상인 경우 L2는 서로 같거나 상이하다.
- 제1항에 있어서,상기 화학식 1은 하기 화학식 4 또는 화학식 5로 표시되는, 헤테로 고리 화합물:[화학식 4][화학식 5]상기 화학식 4 및 5에 있어서,상기 R11 내지 R13은 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐; 시아노기; 치환 또는 비치환된 C1 내지 C60의 알킬기; 치환 또는 비치환된 C2 내지 C60의 알케닐기; 치환 또는 비치환된 C2 내지 C60의 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C2 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기; -P(=O)R101R102; 및 -SiR101R102R103로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기가 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소 고리; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로 고리를 형성하며, 상기 R101, R102, 및 R103은 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 C1 내지 C60의 알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기이며,상기 a는 0 내지 3의 정수이며, a가 2 이상일 경우 R11은 서로 같거나 싱아히고,상기 b는 0 내지 2의 정수이며, b가 2 이상일 경우 R12는 서로 같거나 상이하고,상기 c는 0 내지 4의 정수이며, c가 2 이상일 경우 R13은 서로 같거나 상이하고,상기 Ar1, Ar2, L1 및 m은 상기 화학식 2의 정의와 동일하며,상기 Ar3, L2 및 n은 상기 화학식 3의 정의와 동일하다.
- 제1항에 있어서,상기 화학식 1은 하기 화학식 6 또는 화학식 7로 표시되는, 헤테로 고리 화합물:[화학식 6][화학식 7]상기 화학식 6 및 7에 있어서,상기 R21 내지 R26은 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐; 시아노기; 치환 또는 비치환된 C1 내지 C60의 알킬기; 치환 또는 비치환된 C2 내지 C60의 알케닐기; 치환 또는 비치환된 C2 내지 C60의 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C2 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기; -P(=O)R101R102; 및 -SiR101R102R103로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기가 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소 고리; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로 고리를 형성하며, 상기 R101, R102, 및 R103은 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 C1 내지 C60의 알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기이며,상기 d는 0 내지 3의 정수이며, d가 2 이상일 경우 R21은 서로 같거나 상이하고,상기 Ar1, Ar2, L1 및 m은 상기 화학식 2의 정의와 동일하며,상기 Ar3, L2 및 n은 상기 화학식 3의 정의와 동일하다.
- 제1항에 있어서,상기 Ar1 및 Ar2는 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 C6 내지 C30의 아릴기; 또는 치환 또는 비치환된 C2 내지 C30의 헤테로아릴기인, 헤테로 고리 화합물.
- 제1항에 있어서,상기 Ar3은 치환 또는 비치환된 C6 내지 C30의 아릴기; 또는 치환 또는 비치환된 C2 내지 C30의 헤테로아릴기인, 헤테로 고리 화합물.
- 제1항에 있어서,상기 화학식 1로 표시되는 헤테로 고리 화합물은 치환기로서 중수소를 포함하지 않거나, 수소 원자와 중수소 원자의 총수에 대한 중수소의 함량이 1% 내지 100%인, 헤테로 고리 화합물.
- 제1 전극;상기 제1 전극과 대향하여 구비된 제2 전극; 및상기 제1 전극과 상기 제2 전극 사이에 구비된 1층 이상의 유기물층;을 포함하는 유기 발광 소자로서,상기 유기물층 중 1 층 이상은 제1항 내지 제7항 중 어느 한 항에 따른 헤테로 고리 화합물을 포함하는 것인, 유기 발광 소자.
- 제8항에 있어서,상기 유기물층은 정공 수송층을 포함하고, 상기 정공 수송층은 상기 헤테로 고리 화합물을 포함하는 것인, 유기 발광 소자.
- 제8항에 있어서,상기 유기물층은 전자 저지층을 포함하고, 상기 전자 저지층은 상기 헤테로 고리 화합물을 포함하는 것인, 유기 발광 소자.
- 제8항에 있어서,상기 유기물층은 발광 보조층을 포함하고, 상기 발광 보조층은 상기 헤테로 고리 화합물을 포함하는 것인, 유기 발광 소자.
- 제8항에 있어서,상기 유기물층은 전자 주입층, 정공 주입층, 전자 수송층 또는 정공 저지층을 포함하고, 상기 전자 주입층, 정공 주입층, 전자 수송층 또는 정공 저지층은 상기 헤테로 고리 화합물을 포함하는 것인, 유기 발광 소자.
- 제8항에 있어서,상기 유기 발광 소자는 발광층, 정공 주입층, 정공 수송층, 정공 저지층, 전자 주입층, 전자 수송층 및 전자 저지층으로 이루어진 군에서 선택되는 하나 이상을 포함하는 것인, 유기 발광 소자.
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