WO2022119116A1 - 헤테로고리 화합물, 이를 포함하는 유기 발광 소자, 유기 발광 소자의 유기물층용 조성물 및 유기 발광 소자의 제조 방법 - Google Patents
헤테로고리 화합물, 이를 포함하는 유기 발광 소자, 유기 발광 소자의 유기물층용 조성물 및 유기 발광 소자의 제조 방법 Download PDFInfo
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- 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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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom 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
- C07D409/04—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
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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Definitions
- the present specification relates to a heterocyclic compound, an organic light emitting device including the same, a composition for an organic material layer of the organic light emitting device, and a method of manufacturing the organic light emitting device.
- the organic electroluminescent device is a kind of self-emission type display device, and has 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 a voltage is applied to the organic light emitting device having such a structure, electrons and holes injected from the two electrodes combine in the organic thin film to form a pair, and then disappear and emit light.
- the organic thin film may be composed of a single layer or multiple layers, if necessary.
- the material of the organic thin film may have a light emitting function if necessary.
- a compound capable of forming the light emitting layer by itself may be used, or a compound capable of serving as a host or dopant of the host-dopant light emitting layer may be used.
- a compound capable of performing the roles of hole injection, hole transport, electron blocking, hole blocking, electron transport, electron injection, and the like may be used.
- Patent Document 1 US Patent No. 4,356,429
- the present application relates to a heterocyclic compound, an organic light emitting device including the same, a composition for an organic material layer of an organic light emitting device, and a method of manufacturing an organic light emitting device.
- a heterocyclic compound represented by the following Chemical Formula 1 is provided.
- L1 is a direct bond; a substituted or unsubstituted C6 to C60 arylene group; Or a substituted or unsubstituted C2 to C60 heteroarylene group,
- X is O; or S;
- X1 is a direct bond; O; S; NR; or CRR';
- Ar1 is deuterium, a C6 to C60 aryl group, or a C6 to C60 aryl group unsubstituted or substituted with a C1 to C60 alkyl group; Or a C2 to C60 heteroaryl group unsubstituted or substituted with deuterium;
- a1 is an integer from 1 to 4,
- R, R' and R" are the same as or different from each other and each independently a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C6 to C60 aryl group; Or a substituted or unsubstituted C2 to C60 heteroaryl group.
- the first electrode a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one layer of the organic material layer comprises at least one heterocyclic compound represented by Formula 1 above.
- a light emitting device is provided.
- the heterocyclic compound represented by Formula 1; and a heterocyclic compound represented by the following Chemical Formula 2 or a heterocyclic compound represented by the following Chemical Formula 3 provides a composition for an organic material layer of an organic light emitting device comprising.
- Xa is O or S
- Ya is a hole transporting group or a substituted or unsubstituted aryl group
- Za is an electron-transporting group
- L1a and L2a are the same as or different from each other, and each independently a direct bond; a substituted or unsubstituted C6 to C60 arylene group; or a substituted or unsubstituted C2 to C60 heteroarylene group, p and q are each an integer of 0 to 3, when p is 2 or more, L1a is the same as or different from each other, and when q is 2 or more, L2a is the same as or different,
- Ra and Rb are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon ring or
- N-Het is a substituted or unsubstituted monocyclic or polycyclic heterocyclic group containing one or more N,
- Lb is a direct bond; a substituted or unsubstituted arylene group; or a substituted or unsubstituted heteroarylene group, a2 is an integer of 1 to 3, and when a2 is 2 or more, Lb is the same as or different from each other,
- R1b to R10b are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon
- the step of preparing a substrate; forming a first electrode on the substrate; forming one or more organic material layers on the first electrode; and forming a second electrode on the organic material layer wherein the forming of the organic material layer comprises forming one or more organic material layers using the composition for an organic material layer according to an exemplary embodiment of the present application.
- the compound described herein can be used as an organic material layer of an organic light emitting device.
- the compound may serve as a hole injection material, a hole transport material, a light emitting material, an electron transport material, an electron injection material, etc. in the organic light emitting device.
- the compound can be used as a material for a light emitting layer of an organic light emitting device.
- the compound may be used alone as a light emitting material, two compounds may be used together as a light emitting material, and may be used as a host material of the light emitting layer.
- the heterocyclic compound of Formula 1 has physical properties that satisfy the requirements for green and blue devices, and when the heterocyclic compound of Formula 1 is included, the driving voltage is lowered, and the lifespan and efficiency are excellent.
- the driving voltage of the device is lowered and the light efficiency is improved and the thermal stability of the compound can improve the lifespan characteristics of the device.
- 1 to 3 are views schematically showing a stacked structure of an organic light emitting device according to an exemplary embodiment of the present application, respectively.
- FIG. 5 is a diagram showing the PL values of the P type host and the N type host of the present application.
- FIG. 6 is a diagram showing a PL value when a P type host and an N type host of the present application are mixed.
- "when a substituent is not indicated in the chemical formula or compound structure” may mean that all positions that may come as a substituent are hydrogen or deuterium. That is, in the case of deuterium, deuterium is an isotope of hydrogen, and some hydrogen atoms may be isotope deuterium, and the content of deuterium may be 0% to 100%.
- the content of deuterium is 0%, the content of hydrogen is 100%, etc. If deuterium is not explicitly excluded, hydrogen and deuterium may be mixed and used in the compound. That is, when it is expressed that "substituent X is hydrogen", deuterium is not excluded, such as 100% hydrogen content and 0% deuterium content, and may mean a state in which hydrogen and deuterium are mixed.
- deuterium is one of the isotopes of hydrogen, and as an element having a deuteron consisting 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 2H.
- isotopes have the same atomic number (Z), but isotopes that have different mass numbers (A) have the same number of protons, but neutrons It can also be interpreted as an element with a different number of (neutron).
- 20% of the content of deuterium in the phenyl group represented by means that the total number of substituents the phenyl group can have is 5 (T1 in the formula), and among them, if the number of deuterium is 1 (T2 in the formula), it will be expressed as 20% can That is, the 20% content of deuterium in the phenyl group may be represented by the following structural formula.
- a phenyl group having a deuterium content of 0% it may mean a phenyl group that does not contain a deuterium atom, that is, has 5 hydrogen atoms.
- the 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 in the alkyl group may be 1 to 60, specifically 1 to 40, more specifically, 1 to 20.
- Specific examples include methyl group, ethyl group, propyl group, n-propyl group, isopropyl group, butyl group, n-butyl group, isobutyl group, tert-butyl group, sec-butyl group, 1-methyl-butyl group, 1- Ethyl-butyl group, pentyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, hexyl group, n-hexyl group, 1-methylpentyl group, 2-methylpentyl group, 4-methyl- 2-pentyl group, 3,3-dimethylbutyl group, 2-ethylbutyl group, heptyl group, n-heptyl group, 1-methylhexyl group, cyclopentylmethyl group, cyclohexylmethyl group, octyl group, n-octyl group,
- the alkenyl group includes a straight or branched chain having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- the carbon number of the alkenyl group may be 2 to 60, specifically 2 to 40, more specifically, 2 to 20.
- Specific examples include a vinyl group, 1-propenyl group, isopropenyl group, 1-butenyl group, 2-butenyl group, 3-butenyl group, 1-pentenyl group, 2-pentenyl group, 3-pentenyl group, 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 carbon number of the alkynyl group may be 2 to 60, specifically 2 to 40, more specifically, 2 to 20.
- the alkoxy group may be a straight chain, branched chain or cyclic chain. Although carbon number of an alkoxy group is not specifically limited, It is preferable that it is C1-C20. Specifically, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, tert-butoxy, sec-butoxy, n-pentyloxy, neopentyloxy, isopentyloxy, n -hexyloxy, 3,3-dimethylbutyloxy, 2-ethylbutyloxy, n-octyloxy, n-nonyloxy, n-decyloxy, benzyloxy, p-methylbenzyloxy, etc. may be It is not limited.
- the cycloalkyl group includes a monocyclic or polycyclic ring having 3 to 60 carbon atoms, and may be further substituted by other substituents.
- polycyclic means a group in which a cycloalkyl group is directly connected to another ring group or condensed.
- the other ring group may be a cycloalkyl group, but may be a different type of ring group, for example, a heterocycloalkyl group, an aryl group, a heteroaryl group, or the like.
- the carbon number of the cycloalkyl group may be 3 to 60, specifically 3 to 40, more specifically 5 to 20.
- the heterocycloalkyl group includes O, S, Se, N, or Si as a hetero atom, includes a monocyclic or polycyclic ring having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- polycyclic refers to 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 be a different type of ring group, for example, a cycloalkyl group, an aryl group, a heteroaryl group, or the like.
- the heterocycloalkyl group may have 2 to 60 carbon atoms, specifically 2 to 40 carbon atoms, and more specifically 3 to 20 carbon atoms.
- the aryl group includes a monocyclic or polycyclic ring having 6 to 60 carbon atoms, and may be further substituted by other substituents.
- polycyclic means a group in which an aryl group is directly connected or condensed with another ring group.
- the other ring group may be an aryl group, but may be another type of ring group, such as a cycloalkyl group, a heterocycloalkyl group, a heteroaryl group, and the like.
- the aryl group includes a spiro group.
- the carbon number of the aryl group may be 6 to 60, specifically 6 to 40, more specifically 6 to 25.
- aryl group examples include a phenyl group, a biphenyl group, a triphenyl group, a naphthyl group, an anthryl group, a chrysenyl group, a phenanthrenyl group, a perylenyl group, a fluoranthenyl group, a triphenylenyl group, a phenalenyl group, a pyrethyl 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 and the like, but is not limited thereto.
- the fluorenyl group may be substituted, and adjacent substituents may combine with each other to form a ring.
- fluorenyl group when substituted, it may have the following structure, but is not limited thereto.
- the heteroaryl group includes S, O, Se, N or Si as a hetero atom, and includes a monocyclic or polycyclic ring having 2 to 60 carbon atoms, and may be further substituted by other substituents.
- the polycyclic refers to 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 be a different type of ring group, for example, a cycloalkyl group, a heterocycloalkyl group, an aryl group, or the like.
- the heteroaryl group may have 2 to 60 carbon atoms, specifically 2 to 40 carbon atoms, 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 thiophene group, an imidazolyl group, a pyrazolyl group, an oxazolyl group, an isoxazolyl group, a thiazolyl group 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, deoxynyl group, triazinyl group, tetrazinyl group, quinolyl group, isoquinolyl group, quinazolinyl group, isoquinazol
- the amine group is a monoalkylamine group; monoarylamine group; monoheteroarylamine group; -NH 2 ; dialkylamine group; diarylamine group; diheteroarylamine group; an alkylarylamine group; an alkyl heteroarylamine group; And it may be selected from the group consisting of an aryl heteroarylamine group, 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, 9- Methyl-anthracenylamine group, diphenylamine group, phenylnaphthylamine group, ditolylamine group, phenyltolylamine group, triphenylamine group, biphenylnaphthylamine group, phenylbiphenylamine group, biphenylfluorene
- the arylene group means that the aryl group has two bonding positions, that is, a divalent group. Except that each of these is a divalent group, the description of the aryl group described above may be applied.
- the heteroarylene group means that the heteroaryl group has two bonding positions, that is, a divalent group. Except that each of these is a divalent group, the description of the heteroaryl group described above may be applied.
- the phosphine oxide group specifically includes, but is not limited to, a diphenylphosphine oxide group, a dinaphthylphosphine oxide, and the like.
- the silyl group is a substituent including Si and the Si atom is directly connected as a radical, and is represented by -SiR104R105R106, R104 to R106 are the same 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.
- adjacent group means a substituent substituted on an atom directly connected to the atom in which the substituent is substituted, a substituent sterically closest to the substituent, or another substituent substituted on the atom in which the substituent is substituted.
- two substituents substituted at an ortho position in a benzene ring and two substituents substituted at the same carbon in an aliphatic ring may be interpreted as "adjacent" groups.
- substitution means that a hydrogen atom bonded to a carbon atom of a compound is changed to another substituent, and the position to be substituted is not limited as long as the position at which the hydrogen atom is substituted, that is, the position where the substituent is substitutable, is not limited, When two or more substituents are substituted, two or more substituents may be the same as or different from each other.
- the -(L1)a1-Ar1 and The substitution position of the substituents satisfy any one of the following Structural Formulas 1-A to 1-J, and * and ** in the following Structural Formulas 1-A to 1-J are -(L1)a1-Ar1 and It may mean a location connected to .
- the R, R' and R" are the same as or different from each other and each independently a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C6 to C60 aryl group; Or a substituted or unsubstituted C2 to C60 heteroaryl group.
- R, R' and R" are the same as or different from each other and each independently a substituted or unsubstituted C1 to C40 alkyl group; a substituted or unsubstituted C6 to C40 aryl group; Or a substituted or unsubstituted C2 to C40 heteroaryl group.
- R, R' and R" are the same as or different from each other and each independently a substituted or unsubstituted C1 to C40 alkyl group; or a substituted or unsubstituted C6 to C40 aryl group.
- the R, R' and R" are the same as or different from each other and each independently a substituted or unsubstituted C1 to C20 alkyl group; or a substituted or unsubstituted C6 to C20 aryl group.
- the R, R' and R" are the same as or different from each other and each independently a C1 to C20 alkyl group; or a C6 to C20 aryl group.
- the R, R' and R" are the same as or different from each other and each independently a C1 to C10 alkyl group; or a C6 to C10 aryl group.
- the R, R' and R" are the same as or different from each other and each independently a linear C1 to C10 alkyl group; or a monocyclic C6 to C10 aryl group.
- R, R' and R" are the same as or different from each other and each independently a methyl group; or a phenyl group.
- L1 is a direct bond; a substituted or unsubstituted C6 to C60 arylene group; Or it may be a substituted or unsubstituted C2 to C60 heteroarylene group.
- L1 is a direct bond; Or it may be a substituted or unsubstituted C6 to C60 arylene group.
- L1 is a direct bond; Or it may be a substituted or unsubstituted C6 to C40 arylene group.
- L1 is a direct bond; Or it may be a C6 to C40 arylene group.
- L1 is a direct bond; Or it may be a C6 to C20 arylene group.
- L1 is a direct bond; phenylene group; Or it may be a biphenylene group.
- Ar1 is a C6 to C60 aryl group or a C6 to C60 aryl group unsubstituted or substituted with a C1 to C60 alkyl group; Or it may be a C2 to C60 heteroaryl group unsubstituted or substituted with deuterium.
- Ar1 is a C6 to C40 aryl group or a C6 to C40 aryl group unsubstituted or substituted with a C1 to C40 alkyl group; Or it may be a C2 to C40 heteroaryl group unsubstituted or substituted with deuterium.
- Ar1 is a C6 to C40 aryl group or a C6 to C40 aryl group unsubstituted or substituted with a C1 to C40 alkyl group; Or it may be a C2 to C40 heteroaryl group including O or S as a heteroatom substituted or unsubstituted with deuterium.
- Ar1 is a C6 to C30 aryl group unsubstituted or substituted with a C6 to C20 aryl group or a C1 to C20 alkyl group; Or it may be a C2 to C30 heteroaryl group including O or S as a heteroatom substituted or unsubstituted with deuterium.
- Ar1 is a dibenzofuran group unsubstituted or substituted with deuterium; a dibenzothiophene group unsubstituted or substituted with deuterium; phenyl group; a biphenyl group unsubstituted or substituted with a phenyl group; terphenyl group; dimethyl fluorenyl group; diphenyl fluorenyl group; Or it may be a spirobifluorenyl group.
- -(L1)a1-Ar1 may be represented by any one of Formulas 4 to 6 below.
- L1 and a1 are the same as those in Formula 1 above,
- A is O; or S;
- R11 to R14 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; C6 to C60 aryl group; Or a C1 to C60 alkyl group,
- Ar21 and Ar22 are the same as or different from each other, and each independently a C1 to C60 alkyl group; Or C6 to C60 aryl group, or two groups adjacent to each other are bonded to each other to form a C6 to C60 aromatic hydrocarbon ring,
- Ar11 is a C6 to C60 aryl group.
- R11 to R14 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; C6 to C60 aryl group; Or it may be a C1 to C60 alkyl group.
- R11 to R14 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; C6 to C40 aryl group; Or it may be a C1 to C40 alkyl group.
- R11 to R14 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; C6 to C20 aryl group; Or it may be a C1 to C20 alkyl group.
- R11 to R14 may be hydrogen or deuterium.
- Ar21 and Ar22 are the same as or different from each other, and each independently a C1 to C60 alkyl group; Or a C6 to C60 aryl group, or two groups adjacent to each other may combine with each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon ring.
- Ar21 and Ar22 are the same as or different from each other, and each independently a C1 to C40 alkyl group; Alternatively, it is a C6 to C40 aryl group, or two groups adjacent to each other may combine with each other to form a C6 to C40 aromatic hydrocarbon ring.
- Ar21 and Ar22 are the same as or different from each other, and each independently a C1 to C20 alkyl group; Alternatively, it is a C6 to C20 aryl group, or two groups adjacent to each other may combine with each other to form a C6 to C20 aromatic hydrocarbon ring.
- Ar21 and Ar22 are the same as or different from each other, and each independently a methyl group; Or a phenyl group, or two adjacent groups may combine with each other to form a fluorenyl ring.
- Ar11 is a C6 to C60 aryl group.
- Ar11 is a C6 to C40 aryl group.
- Ar11 is a monocyclic C6 to C10 aryl group; Or it may be a polycyclic C10 to C40 aryl group.
- Ar11 is a phenyl group; biphenyl group; Or it may be a terphenyl group.
- R1 to R8 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; a substituted or unsubstituted C6 to C40 aryl group; and a substituted or unsubstituted C2 to C40 heteroaryl group comprising O or S as a heteroatom; or two or more groups adjacent to each other are bonded to each other to form a substituted or unsubstituted C6 to C40 aromatic hydrocarbon ring Or a substituted or unsubstituted C2 to C40 heterocycle may be formed.
- R1 to R8 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; a C6 to C40 aryl group unsubstituted or substituted with a C1 to C40 alkyl group; and a C2 to C40 heteroaryl group comprising O or S as a heteroatom; or two or more groups adjacent to each other are bonded to each other and unsubstituted or substituted with a C1 to C40 alkyl group C6 to C40 aromatic hydrocarbon A ring or a C2 to C40 heterocyclic ring unsubstituted or substituted with a C2 to C40 heteroaryl group may be formed.
- R1 to R8 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; dibenzofuran group; dibenzothiophene group; dimethyl fluorenyl group; or a triphenylenyl group, or an indole ring unsubstituted or substituted with a phenyl group by bonding two or more groups adjacent to each other; benzothiophene ring; benzofuran ring; Alternatively, an indene ring substituted or unsubstituted with a methyl group may be formed.
- * is is a connection position of
- ** is a connection position of -(L1)a1-Ar1
- R1 to R8 are all hydrogen, or when at least one of R1 to R8 has a phenyl group
- Ar1 is deuterium
- C6 to C60 It may be a C6 to C60 aryl group unsubstituted or substituted with an aryl group or a C1 to C60 alkyl group.
- Chemical Formula 4 may be represented by any one of the following Chemical Formulas 4-1 to 4-4.
- L1, a1 and A are the same as those in Formula 4 above.
- Chemical Formula 5 may be represented by the following Chemical Formula 5-1 or 5-2.
- Chemical Formula 1 may be represented by any one of the following compounds, but is not limited thereto.
- the first electrode; a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers includes at least one heterocyclic compound according to Formula 1 above. provide a component.
- the first electrode; a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one layer of the organic material layer includes one heterocyclic compound according to Formula 1 provides
- the first electrode; a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one layer of the organic material layer includes two heterocyclic compounds according to Formula 1 above. provide a component.
- the types of heterocyclic compounds may be the same or different.
- heterocyclic compound represented by Formula 1 Specific details of the heterocyclic compound represented by Formula 1 are the same as described above.
- the first electrode may be an anode
- the second electrode may be a cathode
- the first electrode may be a cathode
- the second electrode may be an anode
- the organic light emitting device may be a blue organic light emitting device
- the heterocyclic compound according to Chemical Formula 1 may be used as a material of the blue organic light emitting device.
- the heterocyclic compound according to Formula 1 may be included in the host material of the blue 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 according to Chemical Formula 1 may be used as a material of the green organic light emitting device.
- the heterocyclic compound according to Formula 1 may be included in the host material of the green light emitting layer of the green organic light emitting device.
- the organic light emitting device may be a red organic light emitting device
- the heterocyclic compound according to Chemical Formula 1 may be used as a material of the red organic light emitting device.
- the heterocyclic compound according to Formula 1 may be included in the host material of the red light emitting layer of the red organic light emitting device.
- the organic light emitting device of the present invention may be manufactured by a conventional method and material for manufacturing an organic light emitting device, except for forming one or more organic material layers using the above-described 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 refers to spin coating, dip coating, inkjet printing, screen printing, spraying, roll coating, and the like, but is not limited thereto.
- the organic material layer of the organic light emitting device of the present invention may have a single-layer structure, but 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, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, etc. as an organic material layer.
- the structure of the organic light emitting device is not limited thereto and may include a smaller number of organic material layers.
- the organic material layer may include an emission layer, and the emission layer may include the heterocyclic compound.
- the organic material layer may include an emission layer, the emission layer may include a host material, and the host material may include the heterocyclic compound.
- the organic material layer including the heterocyclic compound includes the heterocyclic compound represented by Formula 1 as a host, and may be used together with an iridium-based dopant.
- the organic material layer may include an electron injection layer or an electron transport layer, and the electron transport layer or the electron injection layer may include the heterocyclic compound.
- the organic material layer may include an electron blocking layer or a hole blocking layer, and the electron blocking layer or the hole blocking layer may include the heterocyclic compound.
- the organic light emitting device of the present invention includes a light emitting layer, a hole injection layer, and a hole transport layer. It may further include one or more layers selected from the group consisting of an electron injection layer, an electron transport layer, an electron blocking layer and a hole blocking layer.
- 1 to 3 illustrate the stacking order of the electrode and the organic material layer of the organic light emitting device according to an exemplary embodiment of the present application.
- the scope of the present application be limited by these drawings, and the structure of an organic light emitting device known in the art may also be applied to the present application.
- 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 illustrated.
- 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 diode according to FIG. 3 includes a hole injection layer 301 , a hole transport layer 302 , a light emitting 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 , a light emitting layer 303 , a hole blocking layer 304 , an electron transport layer 305 , and an electron injection layer 306 .
- the scope of the present application is not limited by such a laminated structure, and if necessary, the remaining layers except for the light emitting layer may be omitted, and other necessary functional layers may be further added.
- the organic material layer including the compound of Formula 1 may further include other materials as needed.
- the organic material layer may include a heterocyclic compound represented by the following Chemical Formula 2; Or it may further include a heterocyclic compound represented by the following formula (3).
- Xa is O or S
- Ya is a hole transporting group or a substituted or unsubstituted aryl group
- Za is an electron-transporting group
- L1a and L2a are the same as or different from each other, and each independently a direct bond; a substituted or unsubstituted C6 to C60 arylene group; or a substituted or unsubstituted C2 to C60 heteroarylene group, p and q are each an integer of 0 to 3, when p is 2 or more, L1a is the same as or different from each other, and when q is 2 or more, L2a is the same as or different,
- Ra and Rb are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon ring or
- N-Het is a substituted or unsubstituted monocyclic or polycyclic heterocyclic group containing one or more N,
- Lb is a direct bond; a substituted or unsubstituted arylene group; or a substituted or unsubstituted heteroarylene group, a2 is an integer from 1 to 3, and when a is 2 or more, Lb is the same as or different from each other,
- R1b to R10b are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon
- an exciplex phenomenon occurs.
- the exciplex phenomenon refers to the formation of a binary complex in an excited state by electron exchange between a molecule having a strong donor property and a molecule having a strong acceptor property.
- FIG. 4 is a view for explaining the exciplex phenomenon.
- an exciplex phenomenon occurs as shown in FIG. 4 , a new S1 energy level and a T1 energy level are formed, and a change in PL that is redshifted from each molecule can be confirmed.
- RISC Reverse Intersysterm Crossing
- Chemical Formula 2 may be represented by the following Chemical Formula 2-1-1.
- N-Het is a substituted or unsubstituted monocyclic or polycyclic heteroaryl group containing one or more N, and the remaining substituents are the same as defined in Formula 2.
- N-Het of Formula 2-1-1 is a monocyclic heteroaryl group that is substituted or unsubstituted and includes at least one N.
- N-Het of Formula 2-1-1 is a substituted or unsubstituted, bicyclic or more polycyclic heteroaryl group containing one or more N.
- N-Het of Formula 2-1-1 is a substituted or unsubstituted monocyclic or polycyclic heteroaryl group containing two or more N.
- N-Het of Formula 2-1-1 is a bicyclic or more polycyclic heteroaryl group containing two or more N.
- N-Het of Formula 2-1-1 is a monocyclic heteroaryl group including three Ns.
- N-Het of Formula 2-1-1 forms a carbon-carbon bond with L1a.
- N-Het of Formula 2-1-1 has an sp2 bond with C adjacent to N constituting a ring.
- Ya is a substituted or unsubstituted dibenzofuran group; a substituted or unsubstituted dibenzothiophene group; a substituted or unsubstituted carbazole group; a group in which a substituted or unsubstituted and monocyclic or polycyclic ring is condensed to carbazole; a substituted or unsubstituted silyl group; Or a substituted or unsubstituted aryl group.
- Chemical Formula 2 may be represented by one of the following Chemical Formulas 3-1-1 to 5-1-1.
- X1a is CR11a or N
- X2a is CR12a or N
- X3a is CR13a or N
- X4a is CR14a or N
- X5a is CR15a or N
- R11a to R15a and R17a to R22a are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C
- Chemical Formula 2 may be represented by the following Chemical Formulas 6-1-1 to 8-1-1.
- Xa1 is S, O, CRcRd or NRe;
- R31a to R34a, Rc, Rd and Re are the same as or different from each other, and each independently represent each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstit
- Ara is a substituted or unsubstituted C6 to C60 aryl group; Or a substituted or unsubstituted silyl group,
- Xa is S and Chemical Formula 2 may be represented by one of Chemical Formulas 6-1-1 to 8-1-1.
- Xa is O
- Formula 2 is represented by one of Formulas 6-1-1 to 8-1-1
- L2a of Formula 7-1-1 is a direct bond.
- Xa is O
- Chemical Formula 2 may be represented by Chemical Formula 6-1-1 or Chemical Formula 8-1-1.
- Chemical Formulas 9-1-1 to 11-1-1 may be represented by one of the following Chemical Formulas 9-1-1 to 11-1-1. here, is a site connected to L1a.
- At least one of X1a, X2a, and X5a is N, and the rest are as defined in Formula 3-1-1,
- At least one of X1a to X3a is N, and the rest are as defined in Formula 3-1-1,
- R12a, R14a and R23a to R26a are the same as or different from each other, and each independently represent hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted
- Chemical Formula 9-1-1 may be selected from the following structural formulas.
- Chemical Formula 10-1-1 may be represented by the following Chemical Formula 12-1-1.
- Chemical Formula 11-1-1 may be represented by the following Chemical Formula 13-1-1.
- Chemical Formula 10-1-1 may be represented by the following Chemical Formula 14-1-1.
- R27a is the same as or different from each other and is hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; At least two groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C6 to C60 aromatic hydrocarbon ring
- Chemical Formula 2 may be represented by the following Chemical Formula 15-1-1.
- Chemical Formula 2 may be represented by the following Chemical Formula 16-1-1.
- Chemical Formula 2 may be represented by any one of the following compounds.
- Chemical Formula 3 may be represented by one of the following Chemical Formulas 2-2-1 to 5-2-1.
- N-Het is a monocyclic or polycyclic heterocycle which is substituted or unsubstituted, and includes one or more N.
- N-Het is a monocyclic or polycyclic heterocycle including one or more N, which is unsubstituted or substituted with one or more substituents selected from the group consisting of an aryl group and a heteroaryl group.
- N-Het is substituted or unsubstituted with one or more substituents selected from the group consisting of a phenyl group, a biphenyl group, a naphthyl group, a dimethyl fluorene group, a dibenzofuran group, and a dibenzothiophene group, and , is a monocyclic or polycyclic heterocycle containing one or more N.
- N-Het is substituted or unsubstituted with one or more substituents selected from the group consisting of a phenyl group, a biphenyl group, a naphthyl group, a dimethyl fluorene group, a dibenzofuran group, and a dibenzothiophene group, and , It is a monocyclic or polycyclic heterocyclic ring containing 1 or more and 3 or less N.
- N-Het is a monocyclic heterocycle which is substituted or unsubstituted and includes one or more N.
- N-Het is a substituted or unsubstituted, two or more heterocyclic rings including one or more N.
- N-Het is a monocyclic or polycyclic heterocycle which is substituted or unsubstituted, and includes two or more N.
- N-Het is a bicyclic or more polycyclic heterocycle containing two or more N.
- Chemical Formula 3 is represented by one of the following Chemical Formulas 6-2-1 to 8-2-1.
- X1b is CR11b or N
- X2b is CR12b or N
- X3b is CR13b or N
- X4b is CR14b or N
- X5b is CR15b or N
- R11b to R15b and R17b to R22b are the same as or different from each other, and each independently hydrogen; heavy hydrogen; halogen; cyano group; a substituted or unsubstituted C1 to C60 alkyl group; a substituted or unsubstituted C2 to C60 alkenyl group; a substituted or C2 to C60 unsubstituted alkynyl group; a substituted or unsubstituted C1 to C60 alkoxy group; a substituted or unsubstituted C3 to C60 cycloalkyl group; a substituted or unsubstituted C3 to C60 heterocycloalkyl group; a substituted or unsubstituted C6 to C60 aryl group; Two or more groups selected from the group consisting of a substituted or unsubstituted C2 to C60 heteroaryl group or adjacent to each other are bonded to each other to form a substituted or unsubstituted C
- Chemical Formula 3 may be represented by any one of the following compounds.
- the heterocyclic compound represented by Formula 2 or Formula 3 may be included in the light emitting layer of the organic material layer.
- the heterocyclic compound represented by Formula 2 or Formula 3 may be included in the light emitting layer of the organic material layer, and specifically may be used as a host material of the light emitting layer.
- the host material of the light emitting layer of the organic light emitting device is a heterocyclic compound of Formula 1; And the heterocyclic compound of Formula 2 or the heterocyclic compound of Formula 3 may be included at the same time.
- the heterocyclic compound represented by Formula 1 in an exemplary embodiment of the present application, provides a composition for an organic material layer of an organic light emitting device comprising the heterocyclic compound of Formula 2 or the heterocyclic compound of Formula 3 above.
- the weight ratio of the heterocyclic compound represented by Formula 1 in the composition: the heterocyclic compound of Formula 2 or the heterocyclic compound of Formula 3 may be 1: 10 to 10: 1, and 1: 8 to 8: 1 day and may be 1: 5 to 5: 1, and 1: 2 to 2: 1, but is not limited thereto.
- the step of forming the organic material layer is formed by using a thermal vacuum deposition method by mixing (pre-mixed) the heterocyclic compound represented by Formula 1 and the compound represented by Formula 2 It provides a method for manufacturing an organic light emitting device.
- the pre-mixed refers to mixing the materials in one park before depositing the heterocyclic compound represented by Formula 1 and the heterocyclic compound represented by Formula 2 on the organic layer.
- the pre-mixed refers to mixing the materials in one park before depositing the heterocyclic compound represented by Formula 1 and the heterocyclic compound represented by Formula 3 on the organic layer.
- the premixed material may be referred to as a composition for an organic material layer according to an exemplary embodiment of the present application.
- materials other than the compound of Formula 1 are exemplified below, but these are for illustration only and not to limit the scope of the present application, and are known in the art. materials may be substituted.
- anode material Materials having a relatively large work function may be used as the anode material, and transparent conductive oxides, metals, conductive polymers, or the like may be used.
- the anode material include metals such as vanadium, chromium, copper, zinc, gold, or alloys thereof; metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), and indium zinc oxide (IZO); ZnO: Al or SnO 2 : Combination of metals and oxides such as 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.
- anode material Materials having a relatively low work function may be used as the anode material, and a metal, metal oxide, conductive polymer, or the like may be used.
- the anode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin and lead, or alloys thereof; and a multi-layered material such as LiF/Al or LiO 2 /Al, but is not limited thereto.
- a known hole injection material may be used, for example, a phthalocyanine compound such as copper phthalocyanine disclosed in U.S. Patent No. 4,356,429 or Advanced Material, 6, p.677 (1994).
- starburst-type amine derivatives such as tris(4-carbazolyl-9-ylphenyl)amine (TCTA), 4,4′,4′′-tri[phenyl(m-tolyl)amino]triphenylamine (m- MTDATA), 1,3,5-tris[4-(3-methylphenylphenylamino)phenyl]benzene (m-MTDAPB), polyaniline/Dodecylbenzenesulfonic acid or poly( 3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (Poly(3,4-ethylenedioxythiophene)/Poly(4-styrenesulfonate)), polyaniline/Camph
- a pyrazoline derivative, an arylamine derivative, a stilbene derivative, a triphenyldiamine derivative, etc. may be used as a hole transport material, and a low molecular weight or high molecular material may be used.
- Examples of the electron transport material include oxadiazole derivatives, anthraquinodimethane and its derivatives, benzoquinone and its derivatives, naphthoquinone and its derivatives, anthraquinone and its derivatives, tetracyanoanthraquinodimethane and its derivatives, fluorenone Derivatives, diphenyldicyanoethylene and derivatives thereof, diphenoquinone derivatives, metal complexes of 8-hydroxyquinoline and derivatives thereof, etc. may be used, and polymer materials as well as low molecular weight 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 the light emitting material, and if necessary, two or more light emitting materials may be mixed and used. In this case, two or more light emitting materials may be deposited and used as individual sources, or may be premixed and deposited as a single source for use.
- a fluorescent material can be used as a light emitting material, it can also be used as a phosphorescent material.
- a material that emits light by combining holes and electrons respectively injected from the anode and the cathode may be used alone, but materials in which the host material and the dopant material together participate in light emission may be used.
- a host of a light emitting material When a host of a light emitting material is mixed and used, a host of the same type may be mixed and used, or a host of a different type may be mixed and used. For example, any two or more types of an n-type host material or a p-type host material may be selected and used as the host material of the light emitting layer.
- the organic light emitting device may be a top emission type, a back emission type, or a double side emission type depending on a material used.
- the heterocyclic compound according to an exemplary embodiment of the present application 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.
- 6-bromo-3-chlorodibenzo [b, d] furan (6-bromo-3-chlorodibenzo [b, d] furan) 14.6 g (51.9 mM)
- dibenzo [b, d] furan-4-ylbo ronic acid (dibenzo[b,d]furan-4-ylboronic acid) 12.1g (57.1mM)
- tetrakis(triphenylphosphine)palladium(0) tetrakis(triphenylhosphine)palladium(0), Pd(PPh 3 ) 4 ) 3.0 g (2.6 mM)
- K 2 CO 3 14.5 g (105.0 mM) were dissolved in 1,4-dioxane (1,4-dioxane)/H 2 O 400 mL/80 mL and refluxed for 24 hours.
- intermediate A of Table 1 was used instead of 6-bromo-3-chlorodibenzo [b, d] furan, and dibenzo [ b, d] furan-4-ylboronic acid (dibenzo [b, d] furan-4-ylboronic acid) using the intermediate B of Table 1 below, and using the intermediate C of Table 1 in place of 9H-carbazole, except that was prepared in the same manner as in Preparation Example 1 to synthesize the following target compounds.
- a glass substrate coated with indium tin oxide (ITO) to a thickness of 1,500 ⁇ was washed with distilled water ultrasonically. After washing with distilled water, ultrasonic washing was performed with a solvent such as acetone, methanol, isopropyl alcohol, etc., dried, and then treated with UVO (Ultraviolet ozone) for 5 minutes using UV in a UV (Ultraviolet) washer. Thereafter, the substrate was transferred to a plasma cleaner (PT), and then plasma-treated in a vacuum to increase the work function of ITO and remove the remaining film, and then transferred to a thermal deposition equipment for organic deposition.
- ITO indium tin oxide
- a light emitting layer was deposited thereon by thermal vacuum deposition as follows.
- the light emitting layer was deposited by depositing the compound of Formula 1 described in Table 5 as a host to a thickness of 400 ⁇ , doping a green phosphorescent dopant [Ir(ppy) 3 ] to 7% of the deposition thickness of the light emitting layer.
- a blue phosphorescent dopant [Firpic] was deposited.
- BCP bathhocuproine
- Alq 3 was deposited thereon to a thickness of 200 ⁇ as an electron transport layer.
- an organic light emitting device was manufactured.
- the electroluminescence (EL) characteristics of the organic light emitting device manufactured as described above were measured with M7000 of McScience, and the reference luminance was set to 6,000 cd using the lifespan measuring device (M6000) manufactured by McScience with the measurement results.
- T 90 of the green phosphorescent device was measured as /m 2
- T 90 of the blue phosphorescent device was measured with a reference luminance of 1,000 cd/m 2 .
- T 90 denotes a lifetime (unit: h, time) that is 90% of the initial luminance.
- Example 16 1-48 5.35 12.2 102
- Example 17 1-49 5.41 12.8 91
- Example 18 1-53 5.67 11.2 94
- the organic electroluminescent device using the organic electroluminescent device light emitting layer material of the present invention has a lower driving voltage than Comparative Examples 1 to 5, and not only has improved luminous efficiency but also significantly improved lifespan. .
- the heterocyclic compound represented by Formula 1 in the heterocyclic compound represented by Formula 1, three or more aromatic rings are bonded through a single bond. It can be confirmed that the efficiency and lifespan of the device are improved by introducing at least one electron-donating hetero ring to improve hole mobility and stability. The remaining two aromatic rings can delocalize or localize the LUMO orbital to control the LUMO level, electron mobility, and stability.
- a glass substrate coated with indium tin oxide (ITO) to a thickness of 1,500 ⁇ was washed with distilled water ultrasonically. After washing with distilled water, ultrasonic washing was performed with a solvent such as acetone, methanol, isopropyl alcohol, etc., dried, and then treated with UVO (Ultraviolet ozone) for 5 minutes using UV in a UV (Ultraviolet) washer. Thereafter, the substrate was transferred to a plasma cleaner (PT), and then plasma-treated in a vacuum to increase the ITO work function and remove the residual film, and then transferred to a thermal deposition equipment for organic deposition.
- ITO indium tin oxide
- a light emitting layer was deposited thereon by thermal vacuum deposition as follows.
- the light emitting layer is, as described in Table 7 below, as a host, one type of compound represented by Formula 1 of the present invention (P-type) and one type of compound represented by Formula 2 or 3 of the present invention (N- type) was pre-mixed, deposited to a thickness of 400 ⁇ from one source, and a green phosphorescent dopant [Ir(ppy) 3 ] was doped in an amount of 7wt% of the light-emitting layer deposition thickness and deposited.
- a blue phosphorescent dopant [Firpic] was deposited.
- BCP bathhocuproine
- Alq 3 was deposited thereon to a thickness of 200 ⁇ as an electron transport layer.
- an organic light emitting device was manufactured.
- the electroluminescence (EL) characteristics of the organic light emitting device manufactured as described above were measured with M7000 of McScience, and the reference luminance was set to 6,000 cd using the lifespan measuring device (M6000) manufactured by McScience with the measurement results.
- T 90 of the green phosphorescent device was measured as /m 2
- T 90 of the blue phosphorescent device was measured with a reference luminance of 1,000 cd/m 2 .
- T 90 denotes a lifetime (unit: h, time) that is 90% of the initial luminance.
- Example 17 4-129: 1-10 1:8 4.73 10.8 blue 116
- Example 18 1: 5 4.69 11.2 174
- Example 19 1: 2 4.33 15.1 269
- Example 20 1:1 4.48 13.4 243
- Example 21 2:1 4.69 13.5 218
- Example 22 5 : 1 4.32 11.2 181
- Example 23 8:1 4.21 10.4 136
- Example 26 2:1 4.66 71.2 528
- Example 27 4-144: 1-275 1: 2 4.33 75.2 620
- Example 28 1:1 4.48 70.2 582
- Example 29 2:1 4.69 69.2 543
- the exciplex phenomenon is a phenomenon in which energy having the size of the HOMO energy level of the donor (p-host) and the LUMO energy level of the acceptor (n-host) is emitted through electron exchange between two molecules.
- RISC reverse intersystem crossing
- the donor role is the compound represented by Chemical Formula 1 and the acceptor role is the compound represented by Chemical Formula 2 or the compound represented by Chemical Formula 3 is used as a light emitting layer host, excellent device properties It could be confirmed that the
- PL of Chemical Formula 1 is mid-300 to early 400
- PL of Chemical Formula 2 or Formula 3 an N-type host of the present application, represents mid-400 to early 500.
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Abstract
Description
화합물 번호 |
1H NMR(CDCl3, 200Mz) |
1-1 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (7H, m), 7.58-7.50 (6H, m), 7.39-7.16 (6H, m) |
1-2 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (6H, m), 7.58-7.50 (7H, m), 7.39-7.16 (6H, m) |
1-3 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (6H, m), 7.82 (1H, d), 7.76 (1H, s), 7.58-7.31 (9H, m), 7.20-7.16 (2H, m) |
1-4 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (6H, m), 7.82 (1H, d), 7.76 (1H, s), 7.58-7.50 (5H, m), 7.39-7.16 (6H, m) |
1-5 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (4H, m), 7.82-7.74 (3H, m), 7.61-7.16 (11H, m) |
1-6 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (5H, m), 7.82-7.76 (2H, m), 7.58-7.50 (6H, m), 7.39-7.16 (6H, m) |
1-7 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.79 (8H, m), 7.54-7.50 (5H, m), 7.39-7.16 (6H, m) |
1-8 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.79 (7H, m), 7.58-7.50 (6H, m), 7.39-7.16 (6H, m) |
1-9 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (5H, m), 7.82 (1H, d), 7.69 (1H, d), 7.58-7.50 (6H, m), 7.39-7.16 (6H, m) |
1-10 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (4H, m), 7.82-7.16 (15H, m) |
1-11 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.08-7.94 (4H, m), 7.82 (1H, d), 7.69 (1H, d), 7.57-7.50 (7H, m), 7.39-7.16 (6H, m) |
1-15 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.03-7.94 (5H, m), 7.82-7.76 (4H, m), 7.58-7.50 (4H, m), 7.39-7.16 (6H, m) |
1-21 | δ= 8.55 (1H, d), 8.19 (1H, d), 8.03-7.94 (3H, m), 7.82-7.50 (10H, m), 7.39-7.31 (4H, m), 7.20-7.16 (2H, m) |
1-33 | δ= 8.55 (1H, d), 8.19 (1H, d), 7.98-7.79 (6H, m), 7.69 (1H, d), 7.58-7.52 (6H, m), 7.39-7.16 (6H, m) |
1-43 | δ= 8.55 (1H, d), 8.19 (1H, d), 7.98-7.94 (2H, m), 7.82-7.50 (11H, m), 7.39-7.31 (4H, m), 7.20-7.16 (2H, m) |
1-48 | δ= 8.55 (1H, d), 8.45 (1H, d), 8.32 (1H, d), 8.19 (1H, d), 8.03-7.93 (4H, m), 7.82-7.70 (3H, m), 7.58-7.49 (5H, m), 7.35 (1H, t), 7.25-7.16 (3H, m) |
1-49 | δ= 8.55 (1H, d), 8.45 (1H, d), 8.32 (1H, d), 8.19 (1H, d), 8.03-7.93 (3H, m), 7.74-7.49 (9H, m), 7.35-7.31 (2H, m), 7.20-7.16 (2H, m) |
1-53 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.19 (1H, d), 7.98-7.93 (3H, m), 7.82 (1H, d), 7.70-7.69 (2H, m), 7.58-7.49 (6H, m), 7.35 (1H, t), 7.25-7.16 (3H, m) |
1-54 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.19 (1H, d), 7.98 (1H, d), 7.94-7.49 (10H, m), 7.35-7.31 (2H, m), 7.20-7.16 (2H, m) |
1-240 | δ= 8.55 (1H, d), 8.24 (1H, d), 8.08-7.94 (6H, m), 7.88 (1H, s), 7.82-7.74 (3H, m), 7.57-7.49 (5H, m), 7.39-7.25 (5H, m), 7.16 (1H, t), 1.69 (6H, s) |
1-241 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.03-7.70 (12H, m), 7.56-7.35 (7H, m), 7.25 (1H, d), 7.16 (1H, t) |
1-250 | δ= 8.55 (3H, d), 8.45 (1H, d), 8.32 (1H, d), 8.12 (1H, d), 8.03 (1H, d), 7.94-7.93 (3H, m), 7.82-7.49 (13H, m), 7.35-7.31 (3H, m), 7.16 (2H, t) |
1-252 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.24 (1H, d), 8.03 (1H, d), 7.94-7.88 (3H, m), 7.82-7.70 (5H, m), 7.61-7.49 (5H, m), 7.38-7.31 (3H, m), 7.16 (1H, t), 1.69 (6H, s) |
1-264 | δ= 8.55 (1H, d), 8.24 (1H, d), 8.08-7.94 (5H, m), 7.88 (1H, s), 7.82 (1H, d), 7.74-7.69 (2H, m), 7.57-7.49 (6H, m), 7.39-7.25 (5H, m), 1.69 (6H, s) |
1-265 | δ= 8.55 (1H, d), 8.45 (1H, d), 8.32 (1H, d), 7.99-7.69 (11H, m), 7.57-7.35 (8H, m), 7.25-7.16 (2H, m) |
1-275 | δ= 8.55 (1H, d), 8.45 (1H, d), 8.08-7.93 (6H, m), 7.82-7.31 (14H, m), 7.16 (1H, t) |
1-276 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.24 (1H, d), 7.94-7.88 (3H, m), 7.74-7.69 (4H, m), 7.61-7.49 (6H, m), 7.38-7.31 (3H, m), 7.16 (1H, t), 1.69 (6H, s) |
1-299 | δ= 8.55 (1H, d), 8.24 (1H, d), 7.94 (1H, d), 7.88 (1H, s), 7.82-7.69 (6H, m), 7.61-7.57 (3H, m), 7.49-7.31 (7H, m), 7.16 (1H, t) |
2-10 | δ= 8.55 (1H, d), 8.19-7.94 (9H, m), 7.68 (1H, t), 7.58-7.31 (8H, m), 7.20-7.16 (2H, m) |
2-48 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.24-8.17 (5H, m), 7.98-7.93 (3H, m), 7.70 (1H, t), 7.58-7.45 (5H, m), 7.35 (1H, t), 7.20-7.16 (2H, m) |
2-240 | δ= 8.55 (1H, d), 8.24-8.17 (5H, m), 8.08-7.94 (5H, m), 7.88 (1H, s), 7.74 (1H, d), 7.57-7.31 (9H, m), 7.16 (1H, t), 1.69 (6H, s) |
2-275 | δ= 8.55 (1H, d), 8.45 (1H, d), 8.10-7.90 (10H, m), 7.68-7.31 (10H, m), 7.16 (1H, t) |
2-276 | δ= 8.55 (2H, d), 8.45 (1H, d), 8.32 (1H, d), 8.24 (1H, d), 8.10-8.03 (2H, m), 7.94-7.88 (5H, m), 7.74-7.68 (3H, m), 7.57-7.38 (7H, m), 7.16 (1H, t), 1.69 (6H, s) |
3-191 | δ= 8.55 (1H, d), 8.36 (4H, d), 8.03-7.89 (5H, m), 7.86-7.75 (5H, m), 7.54-7.35 (11H, m), 7.25 (1H, d), 7.16 (1H, t) |
4-129 | δ= 8.55 (1H, d), 8.36 (4H, d), 8.19 (1H, d), 7.98-7.94 (2H, m), 7.82 (1H, d), 7.69 (1H, d), 7.58-7.50 (10H, m), 7.35 (1H, t), 7.25-7.16 (3H, t) |
4-144 | δ= 8.55 (1H, d), 8.45 (1H, d), 8.36 (4H, d), 8.05 (1H, d), 7.98-7.93 (3H, m), 7.82 (1H, d), 7.69 (1H, d), 7.60-7.49 (11H, m), 7.35 (1H, t), 7.25 (1H, d),7.16 (1H, t) |
화합물 | FD-MS | 화합물 | FD-MS |
1-1 | m/z= 499.16(C36H21NO2=499.57) | 1-2 | m/z= 499.16 (C36H21NO2=499.57) |
1-3 | m/z= 499.16(C36H21NO2=499.57) | 1-4 | m/z= 499.16 (C36H21NO2=499.57) |
1-5 | m/z= 499.16(C36H21NO2=499.57) | 1-6 | m/z= 499.16 (C36H21NO2=499.57) |
1-7 | m/z= 499.16(C36H21NO2=499.57) | 1-8 | m/z= 499.16 (C36H21NO2=499.57) |
1-9 | m/z= 499.16(C36H21NO2=499.57) | 1-10 | m/z= 499.16 (C36H21NO2=499.57) |
1-11 | m/z= 499.16(C36H21NO2=499.57) | 1-15 | m/z= 499.16 (C36H21NO2=499.57) |
1-21 | m/z= 499.16(C36H21NO2=499.57) | 1-33 | m/z= 499.16 (C36H21NO2=499.57) |
1-43 | m/z= 499.16(C36H21NO2=499.57) | 1-48 | m/z= 515.13 (C36H21NOS=515.63) |
1-49 | m/z= 515.13(C36H21NOS=515.63) | 1-53 | m/z= 515.13 (C36H21NOS=515.63) |
1-54 | m/z= 515.13(C36H21NOS=515.63) | 1-240 | m/z= 615.22 (C45H29NO2=615.73) |
1-241 | m/z= 591.17(C45H25NOS=591.73) | 1-250 | m/z= 680.19 (C48H28N2OS=680.83) |
1-252 | m/z= 631.20(C45H29NOS=631.79) | 1-264 | m/z= 615.22 (C45H29NO2=615.73) |
1-265 | m/z= 591.17(C45H25NOS=591.73) | 1-275 | m/z= 605.14 (C45H23NO2S=605.71) |
1-276 | m/z= 631.20(C45H29NOS=631.79) | 1-299 | m/z= 525.21 (C39H27NO=525.65) |
2-10 | m/z= 515.13(C36H21NOS=515.63) | 2-48 | m/z= 531.11 (C36H21NS2=531.69) |
2-240 | m/z= 631.20(C45H29NOS=631.79) | 2-275 | m/z= 621.12 (C42H23NOS2=621.77) |
2-276 | m/z= 647.17(C45H29NS2=647.85) | 3-191 | m/z= 640.23 (C45H28N4O=640.75) |
4-129 | m/z= 564.20(C39H24N4O=564.65) | 4-144 | m/z= 670.18 (C45H26N4OS=670.79) |
발광층 화합물 |
구동전압 (V) |
효율 (cd/A) |
색 EL color |
수명 (T90) |
|
실시예 1 | 1-1 | 5.85 | 11.8 | 청색 | 139 |
실시예 2 | 1-2 | 5.37 | 12.5 | 146 | |
실시예 3 | 1-3 | 5.33 | 12.2 | 141 | |
실시예 4 | 1-4 | 5.42 | 12.7 | 159 | |
실시예 5 | 1-5 | 5.42 | 12.1 | 155 | |
실시예 6 | 1-6 | 5.03 | 12.7 | 150 | |
실시예 7 | 1-7 | 5.66 | 12.8 | 127 | |
실시예 8 | 1-8 | 5.47 | 11.2 | 120 | |
실시예 9 | 1-9 | 5.52 | 12.8 | 157 | |
실시예 10 | 1-10 | 5.21 | 13.0 | 152 | |
실시예 11 | 1-11 | 5.42 | 12.7 | 115 | |
실시예 12 | 1-15 | 5.66 | 11.1 | 130 | |
실시예 13 | 1-21 | 5.33 | 12.2 | 134 | |
실시예 14 | 1-33 | 5.48 | 10.2 | 111 | |
실시예 15 | 1-43 | 5.69 | 12.2 | 128 | |
실시예 16 | 1-48 | 5.35 | 12.2 | 102 | |
실시예 17 | 1-49 | 5.41 | 12.8 | 91 | |
실시예 18 | 1-53 | 5.67 | 11.2 | 94 | |
실시예 19 | 1-54 | 5.38 | 12.4 | 105 | |
실시예 20 | 1-240 | 4.67 | 72.5 | 녹색 | 390 |
실시예 21 | 1-241 | 4.45 | 72.8 | 370 | |
실시예 22 | 1-250 | 4.66 | 73.5 | 360 | |
실시예 23 | 1-252 | 4.35 | 76.1 | 382 | |
실시예 24 | 1-264 | 4.67 | 71.5 | 326 | |
실시예 25 | 1-265 | 4.56 | 70.3 | 352 | |
실시예 26 | 1-275 | 4.33 | 74.4 | 405 | |
실시예 27 | 1-276 | 4.61 | 73.6 | 317 | |
실시예 28 | 1-299 | 4.32 | 71.5 | 309 | |
실시예 29 | 2-10 | 5.40 | 11.3 | 청색 | 88 |
실시예 30 | 2-48 | 5.42 | 10.1 | 75 | |
실시예 31 | 2-240 | 4.67 | 72.9 | 녹색 | 277 |
실시예 32 | 2-275 | 4.69 | 70.9 | 271 | |
실시예 33 | 2-276 | 4.60 | 71.1 | 269 | |
비교예 1 | Ref. 1 | 6.48 | 10.2 | 청색 | 43 |
비교예 2 | Ref. 2 | 6.69 | 9.9 | 31 | |
비교예 3 | Ref. 3 | 6.35 | 10.2 | 38 | |
비교예 4 | Ref. 4 | 6.41 | 10.8 | 30 | |
비교예 5 | Ref. 5 | 6.48 | 10.3 | 40 |
발광층 화합물 |
비율 | 구동전압 (V) |
효율 (cd/A) |
색 EL color |
수명 (T90) |
|
실시예 17 | 4-129 : 1-10 |
1 : 8 | 4.73 | 10.8 | 청색 | 116 |
실시예 18 | 1 : 5 | 4.69 | 11.2 | 174 | ||
실시예 19 | 1 : 2 | 4.33 | 15.1 | 269 | ||
실시예 20 | 1 : 1 | 4.48 | 13.4 | 243 | ||
실시예 21 | 2 : 1 | 4.69 | 13.5 | 218 | ||
실시예 22 | 5 : 1 | 4.32 | 11.2 | 181 | ||
실시예 23 | 8 : 1 | 4.21 | 10.4 | 136 | ||
실시예 24 | 3-191 : 2-240 |
1 : 2 | 4.33 | 74.2 | 녹색 | 562 |
실시예 25 | 1 : 1 | 4.42 | 72.2 | 553 | ||
실시예 26 | 2 : 1 | 4.66 | 71.2 | 528 | ||
실시예 27 | 4-144 : 1-275 |
1 : 2 | 4.33 | 75.2 | 620 | |
실시예 28 | 1 : 1 | 4.48 | 70.2 | 582 | ||
실시예 29 | 2 : 1 | 4.69 | 69.2 | 543 |
Claims (17)
- 하기 화학식 1로 표시되는 헤테로고리 화합물:[화학식 1]상기 화학식 1에 있어서,상기 -(L1)a1-Ar1 및 \의 치환기의 치환 위치가 하기 구조식 1-A 내지 1-J 중 어느 하나를 만족하며, 하기 구조식 1-A 내지 1-J에 있어서 * 및 **는 -(L1)a1-Ar1 및 와 연결되는 위치를 의미하고,L1은 직접 결합; 치환 또는 비치환된 C6 내지 C60의 아릴렌기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴렌기이고,X는 O; 또는 S이고,X1은 직접결합; O; S; NR; 또는 CRR'이며,Ar1은 중수소, C6 내지 C60의 아릴기 또는 C1 내지 C60의 알킬기로 치환 또는 비치환된 C6 내지 C60의 아릴기; 또는 중수소로 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기이고,R1 내지 R8은 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐기; 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 헤테로원자로 O 또는 S를 포함하는 헤테로아릴기; SiRR'R”; -P(=O)RR'; 및 -NRR'기로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기는 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소고리 또는 치환 또는 비치환된 C2 내지 C60의 헤테로고리를 형성하며,a1는 1 내지 4의 정수이고,상기 1-B 및 1-J의 구조식에서, *가 의 연결 위치이고, **가 -(L1)a1-Ar1의 연결 위치이며, 상기 R1 내지 R8이 모두 수소이거나, R1 내지 R8 중 적어도 하나가 페닐기를 갖는 경우, 상기 Ar1은 중수소, C6 내지 C60의 아릴기 또는 C1 내지 C60의 알킬기로 치환 또는 비치환된 C6 내지 C60의 아릴기이고,상기 화학식 1에 있어서, 치환기로 표시되지 않은 경우 수소; 또는 중수소이고,상기 R, R' 및 R”은 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 헤테로아릴기이다.
- 청구항 1에 있어서, -(L1)a1-Ar1은 하기 화학식 4 내지 6 중 어느 하나로 표시되는 것인 헤테로고리 화합물:[화학식 4][화학식 5][화학식 6]상기 화학식 4 내지 6에 있어서,L1 및 a1의 정의는 상기 화학식 1에서의 정의와 동일하고,A는 O; 또는 S이고,R11 내지 R14는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; C6 내지 C60의 아릴기; 또는 C1 내지 C60의 알킬기이며,Ar21 및 Ar22는 서로 같거나 상이하고, 각각 독립적으로 C1 내지 C60의 알킬기; 또는 C6 내지 C60의 아릴기이거나, 서로 인접하는 2개의 기는 서로 결합하여 C6 내지 C60의 방향족 탄화수소고리를 형성하며,Ar11은 C6 내지 C60의 아릴기이고,상기 화학식 4 내지 6에 있어서, 치환기로 표시되지 않은 경우 수소; 또는 중수소일 수 있다.
- 청구항 1에 있어서, R1 내지 R8은 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 디벤조퓨란기; 디벤조티오펜기; 디메틸플루오레닐기; 또는 트리페닐레닐기이거나, 서로 인접하는 2 이상의 기는 서로 결합하여 페닐기로 치환 또는 비치환된 인돌고리; 벤조티오펜고리; 벤조퓨란고리; 또는 메틸기로 치환 또는 비치환된 인덴고리를 형성하는 것인 헤테로고리 화합물.
- 제1 전극; 상기 제1 전극과 대향하여 구비된 제2 전극; 및 상기 제1 전극과 상기 제2 전극 사이에 구비된 1층 이상의 유기물층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 1 층 이상은 청구항 1 내지 6 중 어느 한 항에 따른 헤테로고리 화합물을 하나 이상 포함하는 것인 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 발광층을 포함하고, 상기 발광층은 상기 헤테로고리 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 발광층을 포함하고, 상기 발광층은 호스트 물질을 포함하며, 상기 호스트 물질은 상기 헤테로고리 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 전자주입층 또는 전자수송층을 포함하고, 상기 전자주입층 또는 전자수송층은 상기 헤테로고리 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 전자차단층 또는 정공차단층을 포함하고, 상기 전자차단층 또는 정공차단층은 상기 헤테로고리 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기 발광 소자는 발광층, 정공주입층, 정공수송층. 전자주입층, 전자수송층, 전자차단층 및 정공차단층으로 이루어진 군에서 선택되는 1층 또는 2층 이상을 더 포함하는 것인 유기 발광 소자.
- 청구항 7에 있어서,상기 유기물층은 하기 화학식 2로 표시되는 헤테로고리 화합물; 또는 하기 화학식 3으로 표시되는 헤테로고리 화합물을 더 포함하는 것인 유기 발광 소자:[화학식 2]상기 화학식 2에 있어서,Xa는 O 또는 S이고,Ya는 정공수송성 기 또는 치환 또는 비치환된 아릴기이며,Za는 전자수송성 기 이고,L1a 및 L2a는 서로 같거나 상이하고, 각각 독립적으로 직접결합; 치환 또는 비치환된 C6 내지 C60의 아릴렌기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴렌기이며, p 및 q는 각각 0 내지 3의 정수이고, p가 2 이상인 경우 L1a은 서로 같거나 상이하고, q가 2 이상인 경우 L2a는 서로 같거나 상이하며,Ra 및 Rb는 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 C2 내지 C60의 비치환된 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C3 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기는 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소고리 또는 치환 또는 비치환된 C2 내지 C60의 헤테로고리를 형성하며, a 및 b는 각각 0 내지 3의 정수이고, a가 2 이상인 경우 Ra는 서로 같거나 상이하고, b가 2 이상인 경우 Rb는 서로 같거나 상이하며,[화학식 3]상기 화학식 3에 있어서,N-Het"는 치환 또는 비치환되고, N을 1개 이상 포함하는 단환 또는 다환의 헤테로고리기이고,Lb는 직접 결합; 치환 또는 비치환된 아릴렌기; 또는 치환 또는 비치환된 헤테로아릴렌기이고, a2 는 1 내지 3의 정수이며, a2가 2 이상인 경우 Lb는 서로 같거나 상이하고,R1b 내지 R10b은 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 C2 내지 C60의 비치환된 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C3 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기는 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소고리 또는 치환 또는 비치환된 C2 내지 C60의 헤테로고리를 형성하며, b2 및 c2는 각각 0 내지 3의 정수이고, b2가 2 이상인 경우 R9b는 서로 같거나 상이하고, c2가 2 이상인 경우 R10b는 서로 같거나 상이하다.
- 청구항 1 내지 6 중 어느 한 항에 따른 화학식 1로 표시되는 헤테로고리 화합물; 및 하기 화학식 2로 표시되는 헤테로고리 화합물 또는 하기 화학식 3으로 표시되는 헤테로고리 화합물;을 포함하는 유기 발광 소자의 유기물층용 조성물:[화학식 2]상기 화학식 2에 있어서,Xa는 O 또는 S이고,Ya는 정공수송성 기 또는 치환 또는 비치환된 아릴기이며,Za는 전자수송성 기 이고,L1a 및 L2a는 서로 같거나 상이하고, 각각 독립적으로 직접결합; 치환 또는 비치환된 C6 내지 C60의 아릴렌기; 또는 치환 또는 비치환된 C2 내지 C60의 헤테로아릴렌기이며, p 및 q는 각각 0 내지 3의 정수이고, p가 2 이상인 경우 L1a은 서로 같거나 상이하고, q가 2 이상인 경우 L2a는 서로 같거나 상이하며,Ra 및 Rb는 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 C2 내지 C60의 비치환된 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C3 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기는 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소고리 또는 치환 또는 비치환된 C2 내지 C60의 헤테로고리를 형성하며, a 및 b는 각각 0 내지 3의 정수이고, a가 2 이상인 경우 Ra는 서로 같거나 상이하고, b가 2 이상인 경우 Rb는 서로 같거나 상이하며,[화학식 3]상기 화학식 3에 있어서,N-Het"는 치환 또는 비치환되고, N을 1개 이상 포함하는 단환 또는 다환의 헤테로고리기이고,Lb는 직접 결합; 치환 또는 비치환된 아릴렌기; 또는 치환 또는 비치환된 헤테로아릴렌기이고, a2 는 1 내지 3의 정수이며, a2가 2 이상인 경우 Lb는 서로 같거나 상이하고,R1b 내지 R10b은 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 C2 내지 C60의 비치환된 알키닐기; 치환 또는 비치환된 C1 내지 C60의 알콕시기; 치환 또는 비치환된 C3 내지 C60의 시클로알킬기; 치환 또는 비치환된 C3 내지 C60의 헤테로시클로알킬기; 치환 또는 비치환된 C6 내지 C60의 아릴기; 치환 또는 비치환된 C2 내지 C60의 헤테로아릴기로 이루어진 군으로부터 선택되거나, 서로 인접하는 2 이상의 기는 서로 결합하여 치환 또는 비치환된 C6 내지 C60의 방향족 탄화수소고리 또는 치환 또는 비치환된 C2 내지 C60의 헤테로고리를 형성하며, b2 및 c2는 각각 0 내지 3의 정수이고, b2가 2 이상인 경우 R9b는 서로 같거나 상이하고, c2가 2 이상인 경우 R10b는 서로 같거나 상이하다.
- 청구항 14에 있어서,상기 조성물 내 상기 화학식 1로 표시되는 헤테로고리 화합물: 상기 화학식 2로 표시되는 헤테로고리 화합물 또는 상기 화학식 3으로 표시되는 헤테로고리 화합물의 중량비는 1 : 10 내지 10 : 1 인 것인 유기 발광 소자의 유기물층용 조성물.
- 기판을 준비하는 단계;상기 기판 상에 제1 전극을 형성하는 단계;상기 제1 전극 상에 1층 이상의 유기물층을 형성하는 단계; 및상기 유기물층 상에 제2 전극을 형성하는 단계를 포함하고,상기 유기물층을 형성하는 단계는 청구항 14에 따른 유기물층용 조성물을 이용하여 1층 이상의 유기물층을 형성하는 단계를 포함하는 것인 유기 발광 소자의 제조 방법.
- 청구항 16에 있어서, 상기 유기물층을 형성하는 단계는 상기 화학식 1의 헤테로고리 화합물; 및 상기 화학식 2로 표시되는 헤테로고리 화합물 또는 상기 화학식 3으로 표시되는 헤테로고리 화합물;을 예비 혼합(pre-mixed)하여 열 진공 증착 방법을 이용하여 형성하는 것인 유기 발광 소자의 제조 방법.
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KR20200071002A (ko) * | 2018-12-10 | 2020-06-18 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20200073602A (ko) * | 2018-12-14 | 2020-06-24 | 엘지디스플레이 주식회사 | 내열 특성 및 발광 특성이 우수한 유기 화합물, 이를 포함하는 발광다이오드 및 유기발광장치 |
WO2020127176A1 (en) * | 2018-12-20 | 2020-06-25 | Merck Patent Gmbh | Materials for electronic devices |
KR20200115272A (ko) * | 2019-03-25 | 2020-10-07 | 주식회사 엘지화학 | 헤테로고리 화합물 및 이를 포함하는 유기 발광 소자 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023079993A1 (ja) * | 2021-11-02 | 2023-05-11 | 株式会社Kyulux | 化合物、組成物、ホスト材料および有機発光素子 |
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CN116635387A (zh) | 2023-08-22 |
TW202225159A (zh) | 2022-07-01 |
KR20220077298A (ko) | 2022-06-09 |
EP4257586A1 (en) | 2023-10-11 |
JP2023551866A (ja) | 2023-12-13 |
US20240043411A1 (en) | 2024-02-08 |
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