WO2016042772A1 - 新規な化合物及びそれを用いた有機エレクトロルミネッセンス素子 - Google Patents
新規な化合物及びそれを用いた有機エレクトロルミネッセンス素子 Download PDFInfo
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- WO2016042772A1 WO2016042772A1 PCT/JP2015/004766 JP2015004766W WO2016042772A1 WO 2016042772 A1 WO2016042772 A1 WO 2016042772A1 JP 2015004766 W JP2015004766 W JP 2015004766W WO 2016042772 A1 WO2016042772 A1 WO 2016042772A1
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- 0 *c1c(*c(c(O)c2*)c-3c(*)c2O)c-3c(*)c([Cn])c1I Chemical compound *c1c(*c(c(O)c2*)c-3c(*)c2O)c-3c(*)c([Cn])c1I 0.000 description 2
- PLRFDIRIBVIRQK-UHFFFAOYSA-N CC(C)(C)c(cc1cc2)cc3c1c1c2c(N(c(cc2)ccc2C#N)c2cccc4c2[s]c2c4cccc2)cc(N(c(cc2)ccc2C#N)c2c4[s]c5ccccc5c4ccc2)c1cc3 Chemical compound CC(C)(C)c(cc1cc2)cc3c1c1c2c(N(c(cc2)ccc2C#N)c2cccc4c2[s]c2c4cccc2)cc(N(c(cc2)ccc2C#N)c2c4[s]c5ccccc5c4ccc2)c1cc3 PLRFDIRIBVIRQK-UHFFFAOYSA-N 0.000 description 1
- OFUOLNUTBLAICQ-UHFFFAOYSA-N CC(C)(C)c(cc1cc2)cc3c1c1c2c(N(c2ccccc2)c2cccc4c2[s]c2c4cccc2-c2ccccc2C)cc(N(c2ccccc2)c(cccc2c4ccc5)c2[s]c4c5-c2c(C)cccc2)c1cc3 Chemical compound CC(C)(C)c(cc1cc2)cc3c1c1c2c(N(c2ccccc2)c2cccc4c2[s]c2c4cccc2-c2ccccc2C)cc(N(c2ccccc2)c(cccc2c4ccc5)c2[s]c4c5-c2c(C)cccc2)c1cc3 OFUOLNUTBLAICQ-UHFFFAOYSA-N 0.000 description 1
- XBTAOUPRVBSXQG-UHFFFAOYSA-N CC1C(C(C)(C)C)=Cc2ccc(c(N(c3ccccc3)c3cccc4c3[s]c3c4cccc3C(C)(C)C)c3)c4c2C1C=Cc4c3N(c1ccccc1)c1c2[s]c(c(C(C)(C)C)ccc3)c3c2ccc1 Chemical compound CC1C(C(C)(C)C)=Cc2ccc(c(N(c3ccccc3)c3cccc4c3[s]c3c4cccc3C(C)(C)C)c3)c4c2C1C=Cc4c3N(c1ccccc1)c1c2[s]c(c(C(C)(C)C)ccc3)c3c2ccc1 XBTAOUPRVBSXQG-UHFFFAOYSA-N 0.000 description 1
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Definitions
- the present invention relates to a novel compound and an organic electroluminescence device using the same.
- Organic electroluminescence (EL) elements are promising for use as solid-state, inexpensive, large-area full-color display elements, and many developments have been made.
- an organic EL element is composed of a light emitting layer and a pair of counter electrodes sandwiching the light emitting layer. When an electric field is applied between both electrodes, electrons are injected from the cathode side and holes are injected from the anode side. Further, the electrons recombine with holes in the light emitting layer to generate an excited state, and energy is emitted as light when the excited state returns to the ground state.
- Patent Documents 1 and 2 various materials for organic EL elements have been proposed (for example, Patent Documents 1 and 2), and further improvements in luminous efficiency, lifetime, color reproducibility, and the like are required for organic EL elements.
- improving color purity shortening the emission wavelength
- color reproducibility of the display is an important issue that leads to color reproducibility of the display.
- An object of the present invention is to provide a novel compound capable of shortening the emission wavelength in an organic EL device.
- R 1 to R 8 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted carbon number of 3
- At least one of R 1 to R 8 is a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 45 carbon atoms, substituted or unsubstituted
- R 11 to R 18 are each independently a single bond, a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted carbon number of 1 to 1 bonded to N in the formula (1).
- a novel compound capable of shortening the emission wavelength in an organic EL device can be provided.
- R 1 to R 8 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted carbon number of 3 to 45 alkylsilyl groups, substituted or unsubstituted arylsilyl groups having 8 to 50 ring carbon atoms, or substituted or unsubstituted alkoxy groups having 1 to 15 carbon atoms, At least one of R 1 to R 8 is a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 45 carbon atoms, substituted or unsubstituted An arylsilyl group having 8 to 50 ring carbon atoms, or
- R 11 to R 18 are each independently a single bond, a hydrogen atom, a halogen atom, a cyano group, or a substituted or unsubstituted carbon number of 1 to 15 that is bonded to N in the formula (1).
- the compound which is one embodiment of the present invention can shorten the emission wavelength in the organic EL element by having the above specific structure.
- At least two of Ar 1 to Ar 4 are groups represented by the formula (2).
- at least two groups represented by the formula (2) may be the same or different.
- Ar 1 and Ar 3 are preferably groups represented by formula (2). In this case, Ar 1 and Ar 3 may be the same or different.
- R 11 is preferably a single bond that bonds to N in Formula (1).
- At least one of R 3 to R 5 is a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted alkylsilyl group having 3 to 45 carbon atoms. And a substituted or unsubstituted arylsilyl group having 8 to 50 ring carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 15 carbon atoms.
- at least one of R 3 to R 5 is a substituent other than a hydrogen atom.
- R 4 represents a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 45 carbon atoms, a substituted or unsubstituted group. It is preferably a substituted arylsilyl group having 8 to 50 carbon atoms or a substituted or unsubstituted alkoxy group having 1 to 15 carbon atoms. In this case, R 4 is a substituent other than a hydrogen atom.
- R 3 and R 5 are each independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted carbon number of 3 to 45 Are preferably an alkylsilyl group, a substituted or unsubstituted arylsilyl group having 8 to 50 ring carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 15 carbon atoms. In this case, R 3 and R 5 are substituents other than hydrogen atoms.
- At least one of R 1 to R 8 which is a substituent other than a hydrogen atom is preferably a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted carbon number of 3
- the compound which is one embodiment of the present invention is a single bond in which R 11 is bonded to N in Formula (1), and R 18 is a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted group.
- R 18 is a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted group.
- a heteroaryl group having 5 to 30 atoms is preferable.
- group represented by Formula (2) is a substituent represented by following formula (3) or following formula (4).
- R 11 to R 18 and X 1 are the same as those in the formula (2)
- R 20 to R 23 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 45 carbon atoms, A substituted or unsubstituted arylsilyl group having 8 to 50 ring carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 15 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 ring carbon atoms, substituted or An unsubstituted alkylthio group having 1 to 15 carbon atoms, a substituted or unsubstituted arylthio group having
- R 11 to R 18 and X 1 are the same as those in the formula (2), Y is an oxygen atom, a sulfur atom, or CR 34 R 35 , R 30 to R 35 each independently represents a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 45 carbon atoms, A substituted or unsubstituted arylsilyl group having 8 to 50 ring carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 15 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 ring carbon atoms, substituted or An unsubstituted alkylthio group having 1 to 15 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 30 ring carbon
- the hydrogen atom includes isotopes having different numbers of neutrons, that is, light hydrogen (protium), deuterium (deuterium), and tritium.
- the number of ring-forming carbons means a compound (for example, a monocyclic compound, a condensed ring compound, a bridged compound, or a carbocyclic compound) having a structure in which atoms are bonded in a cyclic manner (for example, a monocyclic ring, a condensed ring, or a ring assembly).
- a heteroaryl compound represents the number of carbon atoms among atoms constituting the ring itself. When the ring is substituted with a substituent, the carbon contained in the substituent is not included in the number of ring-forming carbons.
- the “ring-forming carbon number” described below is the same unless otherwise specified.
- a benzene ring has 6 ring carbon atoms
- a naphthalene ring has 10 ring carbon atoms
- a pyridinyl group has 5 ring carbon atoms
- a furanyl group has 4 ring carbon atoms.
- the carbon number of the alkyl group is not included in the number of ring-forming carbons.
- the carbon number of the fluorene ring as a substituent is not included in the number of ring-forming carbons.
- the number of ring-forming atoms means a compound (for example, a monocyclic compound, a condensed ring compound, a bridged compound, or a carbocyclic compound) having a structure in which atoms are bonded in a cyclic manner (for example, a monocyclic ring, a condensed ring, or a ring assembly).
- a heteroaryl compound represents the number of atoms constituting the ring itself.
- An atom that does not constitute a ring for example, a hydrogen atom that terminates a bond of an atom that constitutes a ring
- an atom contained in a substituent when the ring is substituted by a substituent is not included in the number of ring-forming atoms.
- the “number of ring-forming atoms” described below is the same unless otherwise specified.
- the pyridine ring has 6 ring atoms
- the quinazoline ring has 10 ring atoms
- the furan ring has 5 ring atoms.
- a hydrogen atom bonded to a carbon atom of a pyridine ring or a quinazoline ring or an atom constituting a substituent is not included in the number of ring-forming atoms. Further, when, for example, a fluorene ring is bonded to the fluorene ring as a substituent (including a spirofluorene ring), the number of atoms of the fluorene ring as a substituent is not included in the number of ring-forming atoms.
- the “carbon number XX to YY” in the expression “substituted or unsubstituted ZZ group having XX to YY” represents the number of carbon atoms when the ZZ group is unsubstituted. The carbon number of the substituent in the case where it is present is not included.
- “YY” is larger than “XX”, and “XX” and “YY” each mean an integer of 1 or more.
- the “atom number XX to YY” in the expression “a ZZ group having a substituted or unsubstituted atom number XX to YY” represents the number of atoms when the ZZ group is unsubstituted. In this case, the number of substituent atoms is not included.
- “YY” is larger than “XX”, and “XX” and “YY” each mean an integer of 1 or more.
- unsubstituted means that a hydrogen atom is bonded without being substituted with the above substituent.
- halogen atom examples include fluorine, chlorine, bromine, iodine and the like, preferably a fluorine atom.
- alkyl group examples include methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, s-butyl group, isobutyl group, t-butyl group, n-pentyl group, n-hexyl group, n-heptyl group, An n-octyl group and the like can be mentioned.
- the alkyl group preferably has 1 to 10 carbon atoms, and more preferably 1 to 6 carbon atoms.
- methyl, ethyl, propyl, isopropyl, n-butyl, s-butyl, isobutyl, t-butyl, n-pentyl and n-hexyl are preferred.
- the alkyl group may be cyclic, and examples of the cyclic alkyl group include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a 4-methylcyclohexyl group, an adamantyl group, and a norbornyl group.
- the ring-forming carbon number is preferably 3 to 10, more preferably 5 to 8.
- aryl group for example, phenyl group, 1-naphthyl group, 2-naphthyl group, 1-anthryl group, 2-anthryl group, 9-anthryl group, 1-phenanthryl group, 2-phenanthryl group, 3-phenanthryl group, 4-phenanthryl group, 9-phenanthryl group, naphthacenyl group, pyrenyl group, chrysenyl group, benzo [c] phenanthryl group, benzo [g] chrysenyl group, triphenylenyl group, 1-fluorenyl group, 2-fluorenyl group, 3-fluorenyl group 4-fluorenyl group, 9-fluorenyl group, benzofluorenyl group, dibenzofluorenyl group, 2-biphenylyl group, 3-biphenylyl group, 4-biphenylyl group, terphenyl group, fluoranthenyl group, etc.
- the aryl group preferably has 6 to 20 ring-forming carbon atoms, more preferably 6 to 12, and among the aryl groups described above, a phenyl group, a biphenyl group, a tolyl group, a xylyl group, and a 1-naphthyl group are preferable. Particularly preferred.
- the alkylsilyl group is represented by —SiY 3, and examples of Y include the above examples of alkyl.
- examples of the alkylsilyl group include a trimethylsilyl group, a triethylsilyl group, a t-butyldimethylsilyl group, a vinyldimethylsilyl group, a propyldimethylsilyl group, and a triisopropylsilyl group.
- the arylsilyl group is a silyl group substituted with 1 to 3 aryl groups, and examples of the aryl group include the above examples of aryl. In addition to the aryl group, the above alkyl group may be substituted. Examples of the arylsilyl group include a triphenylsilyl group.
- the alkoxy group is represented as —OY, and examples of Y include the above alkyl examples.
- the alkoxy group is, for example, a methoxy group or an ethoxy group.
- the aryloxy group is represented by —OZ, and examples of Z include the above aryl groups.
- the aryloxy group is, for example, a phenoxy group.
- the alkylthio group is represented by —SY, and examples of Y include the above alkyl examples.
- the arylthio group is represented by —SZ, and examples of Z include the above examples of aryl groups.
- heteroaryl group examples include pyrrolyl group, pyrazinyl group, pyridinyl group, indolyl group, isoindolyl group, imidazolyl group, furyl group, benzofuranyl group, isobenzofuranyl group, 1-dibenzofuranyl group, and 2-dibenzofuranyl group.
- the number of ring-forming atoms of the heteroaryl group is preferably 5-20, and more preferably 5-14.
- the “carbazolyl group” includes the following structures.
- X and Y are each independently an oxygen atom, a sulfur atom, a nitrogen atom, or a —NH— group.
- the ring that any two adjacent R 11 to R 18 in the formula (1) can form is a saturated ring, an unsaturated ring, or an aromatic ring.
- substituent of “substituted or unsubstituted...” Of each group described above, the above halogen atom, cyano group, alkyl group, alkylsilyl group, arylsilyl group, alkoxy group, aryl group, heteroaryl group, In addition to an aryloxy group, an alkylthio group, and an arylthio group, a hydroxyl group, a nitro group, a carboxy group, and the like can be given. These substituents may be further substituted with the above substituents. A plurality of these substituents may be bonded to each other to form a ring.
- the compound which is one embodiment of the present invention can be synthesized by using known alternative reactions and raw materials according to the target product following the reactions described in the examples.
- the compound which is one embodiment of the present invention can be used as a material for an organic electroluminescence element, preferably a light emitting material for an organic electroluminescence element, and more preferably a dopant material for an organic electroluminescence element.
- one or more organic thin film layers including at least a light-emitting layer are sandwiched between a cathode and an anode, and at least one of the organic thin film layers is one embodiment of the present invention described above.
- the organic thin film layers is one embodiment of the present invention described above.
- the organic EL element which is one embodiment of the present invention can shorten the emission wavelength by including the compound having the specific structure in the organic thin film layer.
- the light emitting layer preferably contains a compound which is one embodiment of the present invention.
- a light emitting layer can be comprised only from the said compound.
- the light emitting layer can contain the above compound as a host material or as a dopant material.
- the compound is preferably a dopant material.
- the host material for the light-emitting layer examples include anthracene derivatives and polycyclic aromatic skeleton-containing compounds, and anthracene derivatives are preferable.
- an anthracene derivative represented by the following formula (5) can be used as a host material of the light emitting layer.
- Ar 11 and Ar 12 are each independently a substituted or unsubstituted monocyclic group having 5 to 50 ring atoms or a condensed or unsubstituted ring atom having 8 to 50 ring atoms. It is a cyclic group.
- R 101 to R 108 are each independently a hydrogen atom, a single atom of 5 to 50 (preferably 5 to 30, more preferably 5 to 20, more preferably 5 to 12) ring-substituted or unsubstituted ring-forming atoms.
- R 101 ⁇ R 108 is a hydrogen atom, or one of R 101 and R 108, one of R 104 and R 106, both of R 101 and R 106, or both by R 108 and R 104 is, Monocyclic group having 5 to 50 ring atoms (preferably phenyl group, biphenylyl group, terphenylyl group), substituted or unsubstituted alkyl group having 1 to 50 carbon atoms (preferably methyl group, ethyl group, n- A group selected from the group consisting of a propyl group, an isopropyl group, an n-butyl group, an isobutyl group, an s-butyl group, a t-butyl group) and a substituted silyl group (preferably a trimethylsilyl group). More preferably, all of 101 to R 108 are hydrogen atoms.
- the monocyclic group in the formula (5) is a group composed only of a ring structure having no fused ring structure.
- Specific examples of the monocyclic group having 5 to 50 ring atoms include aromatic groups such as phenyl group, biphenylyl group, terphenylyl group, quarterphenylyl group, pyridyl group, pyrazyl group, pyrimidyl group, triazinyl group, furyl group.
- heterocyclic groups such as a thienyl group are preferred.
- a phenyl group, a biphenylyl group, and a terphenylyl group are preferable.
- the condensed ring group is a group in which two or more ring structures are condensed.
- the condensed ring group having 8 to 50 ring atoms include naphthyl group, phenanthryl group, anthryl group, chrysenyl group, benzoanthryl group, benzophenanthryl group, triphenylenyl group, benzocrisenyl group, indenyl group, fluorenyl Group, benzofluorenyl group, dibenzofluorenyl group, fluoranthenyl group, benzofluoranthenyl group and other condensed aromatic ring groups, benzofuranyl group, benzothiophenyl group, indolyl group, dibenzofuranyl group, dibenzo A condensed heterocyclic group such as a thiophenyl group, a carbazolyl group, a quinolyl group, or a phenanthrolinyl group is preferred.
- the fluorenyl group may have one or two substituents at the 9-position, and examples of the substituent include an alkyl group, an aryl group, an alkylsilyl group, an arylsilyl group, and an alkoxy group. . Specific examples of such a fluorenyl group include a 9,9-dimethylfluorenyl group and a 9,9-diphenylfluorenyl group.
- a fluorenyl group when it is described as a fluorenyl group, it may have the same substituent unless otherwise specified.
- Examples of the condensed ring group include naphthyl group, phenanthryl group, anthryl group, fluorenyl group (specifically, 9,9-dimethylfluorenyl group, etc.), fluoranthenyl group, benzoanthryl group, dibenzothiol.
- a phenyl group, a dibenzofuranyl group, and a carbazolyl group are preferable.
- an alkyl group, a cycloalkyl group (cyclic alkyl group), an alkoxy group, an alkyl part and an aryl part of an aralkyl group, an aryloxy group, a substituted silyl group (an alkylsilyl group, an arylsilyl group), a halogen atom Specific examples are the same as the specific examples of each group in the above-described formula (1) and substituents in “substituted or unsubstituted...”.
- the aralkyl group is represented by —Y—Z.
- Y include alkylene examples corresponding to the above alkyl examples, and examples of Z include the above aryl examples.
- the aralkyl group has 7 to 50 carbon atoms (the aryl moiety has 6 to 49 carbon atoms (preferably 6 to 30, more preferably 6 to 20, particularly preferably 6 to 12), and the alkyl moiety has 1 to 44 carbon atoms. (Preferably 1-30, more preferably 1-20, still more preferably 1-10, particularly preferably 1-6)), for example, benzyl group, phenylethyl group, 2-phenylpropane-2- It is an yl group.
- substituents of “substituted or unsubstituted” for Ar 11 , Ar 12 , R 1 to R 8 monocyclic groups, condensed ring groups, alkyl groups, cycloalkyl groups, silyl groups, alkoxy groups, cyano groups, halogen atoms (Especially fluorine) is preferable, particularly preferably a monocyclic group or a condensed ring group, and preferable specific substituents are as described above.
- the above-mentioned monocyclic group or condensed ring group is preferable as the substituent for Ar 11 and Ar 12 .
- the anthracene derivative represented by the formula (5) is preferably any of the following anthracene derivatives (A), (B), and (C), and is selected depending on the configuration of the organic EL element to be applied and the required characteristics.
- Anthracene derivatives which are substituted or unsubstituted fused ring groups in which Ar 11 and Ar 12 in formula (5) are different (including the difference in the position to which the anthracene ring is bonded) are particularly preferred, and preferred specific examples of the fused ring are as described above. It is. Of these, a naphthyl group, a phenanthryl group, a benzanthryl group, a fluorenyl group (specifically, 9,9-dimethylfluorenyl group, etc.) and a dibenzofuranyl group are preferable.
- Anthracene derivative (B) In the anthracene derivative (B), one of Ar 11 and Ar 12 in formula (5) is a substituted or unsubstituted monocyclic group having 5 to 50 ring atoms, and the other of Ar 11 and Ar 12 is substituted or unsubstituted. A substituted condensed ring group having 8 to 50 ring-forming atoms.
- Ar 12 is a naphthyl group, phenanthryl group, benzoanthryl group, fluorenyl group (specifically, 9,9-dimethylfluorenyl group, etc.), or dibenzofuranyl group
- Ar 11 is an unsubstituted phenyl group, a monocyclic group or a condensed ring group (for example, a phenyl group, a biphenyl group, a naphthyl group, a phenanthryl group, a fluorenyl group (specifically, 9,9-dimethylfluorene group).
- anthracene derivative (B) is a derivative in which Ar 12 is a substituted or unsubstituted condensed ring group having 8 to 50 ring-forming atoms and Ar 11 is an unsubstituted phenyl group.
- the condensed ring group is particularly preferably a phenanthryl group, a fluorenyl group (specifically, 9,9-dimethylfluorenyl group, etc.), a dibenzofuranyl group, or a benzoanthryl group.
- Anthracene derivative (C) In the anthracene derivative (C), Ar 11 and Ar 12 in the formula (5) are each independently a substituted or unsubstituted monocyclic group having 5 to 50 ring atoms.
- a preferred form of the anthracene derivative (C) includes a derivative in which both Ar 11 and Ar 12 are substituted or unsubstituted phenyl groups.
- Ar 11 is an unsubstituted phenyl group
- Ar 12 is a phenyl group substituted with a monocyclic group or a condensed ring group
- Ar 11 and Ar 12 are each independently a monocyclic group. Or it may be a phenyl group substituted by a condensed ring group.
- the preferred monocyclic group and condensed ring group as the substituent are as described above. More preferable monocyclic groups as a substituent are a phenyl group and a biphenyl group, and more preferable condensed ring groups as a substituent are a naphthyl group, a phenanthryl group, a fluorenyl group (specifically, 9,9-dimethylfluorine). An oleenyl group), a dibenzofuranyl group, and a benzoanthryl group.
- anthracene derivative represented by the formula (5) include the following.
- the polycyclic aromatic skeleton-containing compound that can be used as the host material of the light emitting layer is, for example, a pyrene derivative represented by the following formula (6).
- Ar 111 and Ar 222 are each independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.
- L 1 and L 2 each independently represent a substituted or unsubstituted divalent arylene group or heterocyclic group having 6 to 30 ring carbon atoms.
- m is an integer from 0 to 1
- n is an integer from 1 to 4
- s is an integer from 0 to 1
- t is an integer from 0 to 3.
- L 1 or Ar 111 is bonded to any one of the 1 to 5 positions of pyrene
- L 2 or Ar 222 is bonded to any of the 6 to 10 positions of pyrene.
- L 1 and L 2 in formula (6) are preferably substituted or unsubstituted phenylene group, substituted or unsubstituted biphenylene group, substituted or unsubstituted naphthylene group, substituted or unsubstituted terphenylene group, substituted or unsubstituted A substituted fluorenylene group or a divalent aryl group composed of a combination of these substituents.
- the substituent is the same as the substituent in “substituted or unsubstituted...” In the above formula (1).
- the substituent for L 1 and L 2 is preferably an alkyl group having 1 to 20 carbon atoms.
- M in the formula (6) is preferably an integer of 0 to 1.
- N in the formula (6) is preferably an integer of 1 to 2.
- s is preferably an integer of 0 to 1.
- T in the formula (6) is preferably an integer of 0 to 2.
- the aryl group of Ar 111 and Ar 222 is the same as the aryl group in the above formula (1).
- a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms more preferably a substituted or unsubstituted aryl group having 6 to 16 ring carbon atoms, and preferred specific examples of the aryl group include a phenyl group. Naphthyl group, phenanthryl group, fluorenyl group, biphenyl group, anthryl group, pyrenyl group.
- the compound represented by the formula (1) is contained as a dopant, it is preferably 0.1 to 20% by weight, preferably 1 to 10% by weight, based on the total weight of the organic thin film layer containing the compound. More preferred.
- the compound represented by the formula (1) and the anthracene derivative or pyrene derivative can be used for a hole injection layer, a hole transport layer, an electron injection layer, and an electron transport layer in addition to the light emitting layer.
- the organic EL element having a plurality of organic thin film layers includes (anode / hole injection layer / light emitting layer / cathode), (anode / light emitting layer / electron injection layer / cathode), (anode / Hole injection layer / light emitting layer / electron injection layer / cathode), (anode / hole injection layer / hole transport layer / light emitting layer / electron injection layer / cathode) and the like.
- the organic EL element can prevent luminance and lifetime from being reduced due to quenching by forming the organic thin film layer into a multi-layer structure.
- a light emitting material, a doping material, a hole injection material, and an electron injection material can be used in combination.
- the hole injection layer, the light emitting layer, and the electron injection layer may each be formed of two or more layers. In that case, in the case of a hole injection layer, the layer that injects holes from the electrode is a hole injection layer, and the layer that receives holes from the hole injection layer and transports holes to the light emitting layer is a hole transport layer. Call.
- an electron injection layer a layer that injects electrons from an electrode is referred to as an electron injection layer, and a layer that receives electrons from the electron injection layer and transports electrons to a light emitting layer is referred to as an electron transport layer.
- an electron injection layer a layer that injects electrons from an electrode
- an electron transport layer a layer that receives electrons from the electron injection layer and transports electrons to a light emitting layer.
- Each of these layers is selected and used depending on factors such as the energy level of the material, heat resistance, and adhesion to the organic layer or metal electrode.
- Examples of materials other than the formula (5) that can be used in the light emitting layer together with the compound represented by the formula (1) include, for example, naphthalene, phenanthrene, rubrene, anthracene, tetracene, pyrene, perylene, chrysene, decacyclene, coronene, tetraphenylcyclo Condensed polycyclic aromatic compounds such as pentadiene, pentaphenylcyclopentadiene, fluorene, spirofluorene and their derivatives, organometallic complexes such as tris (8-quinolinolato) aluminum, triarylamine derivatives, styrylamine derivatives, stilbene derivatives, coumarins Derivatives, pyran derivatives, oxazone derivatives, benzothiazole derivatives, benzoxazole derivatives, benzimidazole derivatives, pyrazine derivatives, cinnamic acid ester
- the hole injection layer is a layer containing a substance having a high hole injection property.
- Substances with high hole injection properties include molybdenum oxide, titanium oxide, vanadium oxide, rhenium oxide, ruthenium oxide, chromium oxide, zirconium oxide, hafnium oxide, tantalum oxide, silver oxide, Tungsten oxide, manganese oxide, aromatic amine compound, or high molecular compound (oligomer, dendrimer, polymer, etc.) can also be used.
- the hole transport layer is a layer containing a substance having a high hole transport property.
- An aromatic amine compound, a carbazole derivative, an anthracene derivative, or the like can be used for the hole transport layer.
- a high molecular compound such as poly (N-vinylcarbazole) (abbreviation: PVK) or poly (4-vinyltriphenylamine) (abbreviation: PVTPA) can also be used.
- PVK N-vinylcarbazole
- PVTPA poly (4-vinyltriphenylamine)
- the layer containing a substance having a high hole-transport property is not limited to a single layer, and two or more layers containing the above substances may be stacked.
- the electron transport layer is a layer containing a substance having a high electron transport property.
- metal complexes such as aluminum complexes, beryllium complexes, and zinc complexes
- heteroaromatic compounds such as imidazole derivatives, benzimidazole derivatives, azine derivatives, carbazole derivatives, and phenanthroline derivatives
- 3) polymer compounds can be used.
- the electron injection layer is a layer containing a substance having a high electron injection property.
- the electron injection layer includes an alkali metal such as lithium (Li), lithium fluoride (LiF), cesium fluoride (CsF), calcium fluoride (CaF 2 ), lithium oxide (LiOx), or an alkaline earth metal. Or compounds thereof.
- the organic EL device which is one embodiment of the present invention
- in the light emitting layer in addition to at least one selected from the compound represented by the formula (1), a light emitting material, a doping material, a hole injection material, and a hole transport At least one of the material and the electron injection material may be contained in the same layer.
- a protective layer is provided on the surface of the device, or the entire device is protected by silicon oil, resin, or the like. It is also possible to do.
- a metal, an alloy, an electrically conductive compound, a mixture thereof, or the like having a high work function specifically, 4.0 eV or more.
- ITO indium oxide-tin oxide
- ITO indium oxide-tin oxide
- gold (Au) platinum (Pt), a nitride of a metal material (for example, titanium nitride), or the like can be given.
- the cathode it is preferable to use a metal, an alloy, an electrically conductive compound, a mixture thereof, or the like having a small work function (specifically, 3.8 eV or less).
- cathode materials include elements belonging to Group 1 or Group 2 of the Periodic Table of Elements, that is, alkali metals such as lithium (Li) and cesium (Cs), and alkaline earth such as magnesium (Mg). And other rare earth metals such as alloys, alloys containing them (for example, MgAg, AlLi), and alloys containing these.
- the anode and the cathode may be formed of two or more layers.
- the substrate is also preferably transparent.
- the transparent electrode is set using the above-described conductive material so that predetermined translucency is ensured by a method such as vapor deposition or sputtering.
- the electrode on the light emitting surface preferably has a light transmittance of 10% or more.
- the substrate for example, glass, quartz, plastic, or the like can be used.
- a flexible substrate may be used.
- the flexible substrate is a substrate that can be bent (flexible), and examples thereof include a plastic substrate made of polycarbonate or polyvinyl chloride.
- each layer of the organic EL element any of dry film forming methods such as vacuum deposition, sputtering, plasma, and ion plating, and wet film forming methods such as spin coating, dipping, and flow coating can be applied.
- the film thickness is not particularly limited, but must be set to an appropriate film thickness. If the film thickness is too thick, a large applied voltage is required to obtain a constant light output, resulting in poor efficiency. If the film thickness is too thin, pinholes and the like are generated, and sufficient light emission luminance cannot be obtained even when an electric field is applied.
- the normal film thickness is suitably in the range of 5 nm to 10 ⁇ m, but more preferably in the range of 10 nm to 0.2 ⁇ m.
- the material for forming each layer is dissolved or dispersed in an appropriate solvent such as ethanol, chloroform, tetrahydrofuran, dioxane or the like to form a thin film, and any solvent may be used.
- an organic EL element material-containing solution containing a compound represented by the formula (1) and a solvent can be used as the organic EL element material.
- the organic EL element material includes a host material and a dopant material, the dopant material is a compound represented by the formula (1), and the host material is at least one selected from the compounds represented by the formula (5) Preferably there is.
- an appropriate resin or additive may be used for improving the film formability and preventing pinholes in the film.
- the organic EL element which is one embodiment of the present invention can be used in electronic equipment, specifically, a flat light emitter such as a flat panel display of a wall-mounted television, a copying machine, a printer, a backlight of a liquid crystal display, or an instrument. It can be used for a light source, a display board, a marker lamp, etc.
- the compound according to one embodiment of the present invention can be used not only in an organic EL element but also in fields such as an electrophotographic photosensitive member, a photoelectric conversion element, a solar cell, and an image sensor.
- Synthesis was performed in the same manner as in Synthesis Example 1, except that 4-anilino-6-t-butyldibenzofuran was used instead of 4-anilinodibenzofuran.
- Synthesis was performed in the same manner as in Synthesis Example 1, except that 4- (N-o-tolylamino) -6-t-dibenzofuran was used instead of 4-anilinodibenzofuran.
- Example 1 A 130 nm thick glass substrate with ITO transparent electrode line (manufactured by Geomatic) was ultrasonically cleaned in isopropyl alcohol for 5 minutes and then UV ozone cleaned for 30 minutes. The glass substrate with the transparent electrode line after washing is attached to the substrate holder of the vacuum deposition apparatus, and the compound HAT (hexaazatriphenylene) is vapor deposited so as to cover the transparent electrode on the surface where the transparent electrode line is formed. A HAT film having a thickness of 5 nm was formed.
- HAT hexaazatriphenylene
- the compound HT-1 was vapor-deposited on the HAT film to form an HT-1 film having a thickness of 80 nm.
- the compound HT-2 was vapor-deposited on the HT-1 film to form an HT-2 film having a thickness of 10 nm.
- Compound BH-1 (host material) and Compound 1 (dopant material) were simultaneously deposited on the HT-2 film to form a thin film having a thickness of 25 nm. At this time, the vapor deposition was performed such that Compound 1 was 4% by mass with respect to the total mass of Compound BH-1 and Compound 1 in the thin film.
- the compound ET-1 was vapor-deposited on this thin film to form an ET-1 film having a thickness of 10 nm.
- the compound ET-2 was deposited on the ET-1 film to form an ET-2 film having a thickness of 15 nm.
- LiF was vapor-deposited on the ET-2 film to form a 1 nm-thick LiF film.
- metal Al was vapor-deposited on the LiF film to form an Al film with a thickness of 80 nm.
- An organic EL device was manufactured as described above.
- Examples 2 to 3 and Comparative Example 1 An organic EL device was produced and evaluated in the same manner as in Example 1 except that the compounds described in Table 1 were used instead of Compound 1 as the dopant material. The results are shown in Table 1.
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Abstract
Description
下記式(1)で表される化合物。
R1~R8の少なくとも1つは、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、又は置換若しくは無置換の炭素数1~15のアルコキシ基であり、
Ar1~Ar4は、それぞれ独立して、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
Ar1~Ar4の少なくとも1つは、下記式(2)で表される基である。
R11~R18のうち隣接する任意の2つは、互いに結合して環を形成してもよく、
X1は、酸素原子又は硫黄原子を示す。))
R1~R8の少なくとも1つは、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、又は置換若しくは無置換の炭素数1~15のアルコキシ基であり、
Ar1~Ar4は、それぞれ独立して、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
Ar1~Ar4の少なくとも1つは、下記式(2)で表される基である。
R11~R18のうち隣接する任意の2つは、互いに結合して環を形成してもよく、
X1は、酸素原子又は硫黄原子を示す。
R20~R23は、それぞれ独立して、水素原子、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、置換若しくは無置換の炭素数1~15のアルコキシ基、置換若しくは無置換の環形成炭素数6~30のアリールオキシ基、置換若しくは無置換の炭素数1~15のアルキルチオ基、置換若しくは無置換の環形成炭素数6~30のアリールチオ基、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
*は、R11~R18のうち隣接する任意の2つとの結合位置である。
Yは、酸素原子、硫黄原子、又はCR34R35であり、
R30~R35は、それぞれ独立して、水素原子、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、置換若しくは無置換の炭素数1~15のアルコキシ基、置換若しくは無置換の環形成炭素数6~30のアリールオキシ基、置換若しくは無置換の炭素数1~15のアルキルチオ基、置換若しくは無置換の環形成炭素数6~30のアリールチオ基、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
*は、R11~R18のうち隣接する任意の2つとの結合位置である。
アルキル基の炭素数は、1~10が好ましく、1~6がさらに好ましい。中でもメチル基、エチル基、プロピル基、イソプロピル基、n-ブチル基、s-ブチル基、イソブチル基、t-ブチル基、n-ペンチル基、n-ヘキシル基が好ましい。
アリール基は、環形成炭素数が6~20であることが好ましく、より好ましくは6~12であり、上述したアリール基の中でもフェニル基、ビフェニル基、トリル基、キシリル基、1-ナフチル基が特に好ましい。
アリールチオ基は、-SZと表され、Zの例として上記のアリール基の例が挙げられる。
これらの置換基は、上記の置換基によって更に置換されてもよい。また、これらの置換基は複数が互いに結合して環を形成してもよい。
本発明の一態様においては、上記化合物がドーパント材料であることが好ましい。
発光層のホスト材料としては、アントラセン誘導体や多環芳香族骨格含有化合物等が挙げられ、好ましくはアントラセン誘導体である。
発光層のホスト材料として、例えば、下記式(5)で表されるアントラセン誘導体を使用できる。
R101~R108は、それぞれ独立して、水素原子、置換若しくは無置換の環形成原子数5~50(好ましくは5~30、より好ましくは5~20、さらに好ましくは5~12)の単環基、置換若しくは無置換の環形成原子数8~50(好ましくは8~30、より好ましくは8~20、さらに好ましくは8~14)の縮合環基、前記単環基と前記縮合環基との組合せから構成される基、置換若しくは無置換の炭素数1~50(好ましくは1~20、より好ましくは1~10、さらに好ましくは1~6)のアルキル基、置換若しくは無置換の環形成炭素数3~50(好ましくは3~20、より好ましくは3~10、さらに好ましくは5~8)のシクロアルキル基、置換若しくは無置換の炭素数1~50(好ましくは1~20、より好ましくは1~10、さらに好ましくは1~6)のアルコキシ基、置換若しくは無置換の炭素数7~50(好ましくは7~20、より好ましくは7~14)のアラルキル基、置換若しくは無置換の環形成炭素数6~50(好ましくは6~20、より好ましくは6~12)のアリールオキシ基、置換若しくは無置換のシリル基、ハロゲン原子、及びシアノ基からなる群から選ばれる基である。
環形成原子数5~50の単環基の具体例としては、フェニル基、ビフェニリル基、ターフェニリル基、クォーターフェニリル基等の芳香族基と、ピリジル基、ピラジル基、ピリミジル基、トリアジニル基、フリル基、チエニル基等の複素環基が好ましい。
上記単環基としては、中でも、フェニル基、ビフェニリル基、ターフェニリル基が好ましい。
環形成原子数8~50の縮合環基の具体例としては、ナフチル基、フェナントリル基、アントリル基、クリセニル基、ベンゾアントリル基、ベンゾフェナントリル基、トリフェニレニル基、ベンゾクリセニル基、インデニル基、フルオレニル基、ベンゾフルオレニル基、ジベンゾフルオレニル基、フルオランテニル基、ベンゾフルオランテニル基等の縮合芳香族環基や、ベンゾフラニル基、ベンゾチオフェニル基、インドリル基、ジベンゾフラニル基、ジベンゾチオフェニル基、カルバゾリル基、キノリル基、フェナントロリニル基等の縮合複素環基が好ましい。
上記フルオレニル基は、9位に置換基を1つ又は2つ有していてもよく、置換基としては、例えば、アルキル基、アリール基、アルキルシリル基、アリールシリル基、アルコキシ基等が挙げられる。このようなフルオレニル基の具体例としては、例えば、9,9-ジメチルフルオレニル基や9,9-ジフェニルフルオレニル基等が挙げられる。以後、フルオレニル基と記載した場合には、特筆しない限り同様の置換基を有していてもよいものとする。
尚、Ar11及びAr12の置換基は、上述の単環基又は縮合環基が好ましい。
アントラセン誘導体(A)は、式(5)におけるAr11及びAr12が、それぞれ独立して、置換若しくは無置換の環形成原子数8~50の縮合環基である。当該アントラセン誘導体としては、Ar11及びAr12は同一でも異なっていてもよい。
アントラセン誘導体(B)は、式(5)におけるAr11及びAr12の一方が置換若しくは無置換の環形成原子数5~50の単環基であり、Ar11及びAr12の他方が置換若しくは無置換の環形成原子数8~50の縮合環基である。
アントラセン誘導体(B)の好ましい形態としては、Ar12がナフチル基、フェナントリル基、ベンゾアントリル基、フルオレニル基(具体的には、9,9-ジメチルフルオレニル基等)、又はジベンゾフラニル基であり、Ar11が無置換フェニル基、又は、単環基又は縮合環基(例えば、フェニル基、ビフェニル基、ナフチル基、フェナントリル基、フルオレニル基(具体的には、9,9-ジメチルフルオレニル基等)、ジベンゾフラニル基)で置換されたフェニル基である誘導体が挙げられる。好ましい単環基、縮合環基の具体的な基は上述した通りである。
アントラセン誘導体(B)の別の好ましい形態としては、Ar12が置換若しくは無置換の環形成原子数8~50の縮合環基であり、Ar11が無置換のフェニル基である誘導体が挙げられる。この場合、縮合環基としては、フェナントリル基、フルオレニル基(具体的には、9,9-ジメチルフルオレニル基等)、ジベンゾフラニル基、ベンゾアントリル基が特に好ましい。
アントラセン誘導体(C)は、式(5)におけるAr11及びAr12が、それぞれ独立して、置換若しくは無置換の環形成原子数5~50の単環基である。
アントラセン誘導体(C)の好ましい形態としては、Ar11、Ar12ともに置換若しくは無置換のフェニル基である誘導体が挙げられる。さらに好ましい形態として、Ar11が無置換のフェニル基であり、Ar12が単環基又は縮合環基で置換されたフェニル基である場合と、Ar11、Ar12がそれぞれ独立して単環基又は縮合環基で置換されたフェニル基である場合がある。
前記置換基としての好ましい単環基、縮合環基の具体例は上述した通りである。置換基としてのさらに好ましい単環基は、フェニル基、ビフェニル基であり、置換基としてのさらに好ましい縮合環基は、ナフチル基、フェナントリル基、フルオレニル基(具体的には、9,9-ジメチルフルオレニル基等)、ジベンゾフラニル基、ベンゾアントリル基である。
L1及びL2は、それぞれ独立して、置換若しくは無置換の環形成炭素数6~30の2価のアリーレン基又は複素環基を示す。
mは0~1の整数、nは1~4の整数、sは0~1の整数、tは0~3の整数である。
また、L1又はAr111はピレンの1~5位のいずれかに結合し、L2又はAr222はピレンの6~10位のいずれかに結合する。
また、この置換基としては、上記式(1)における「置換若しくは無置換の・・・」における置換基と同様である。L1及びL2の置換基は、好ましくは、炭素数1~20のアルキル基である。
式(6)におけるtは、好ましくは0~2の整数である。
Ar111及びAr222のアリール基は、上記式(1)におけるアリール基と同様である。
好ましくは、置換若しくは無置換の環形成炭素数6~20のアリール基、より好ましくは、置換若しくは無置換の環形成炭素数6~16のアリール基、アリール基の好ましい具体例としては、フェニル基、ナフチル基、フェナントリル基、フルオレニル基、ビフェニル基、アントリル基、ピレニル基である。
陽極及び陰極は、必要があれば二層以上の層構成により形成されていてもよい。
基板としては、例えば、ガラス、石英、プラスチック等を用いることができる。また、可撓性基板を用いてもよい。可撓性基板とは、折り曲げることができる(フレキシブル)基板のことであり、例えば、ポリカーボネート、ポリ塩化ビニルからなるプラスチック基板等が挙げられる。
このような湿式成膜法に適した溶液として、有機EL素子用材料として式(1)で表される化合物と溶媒とを含有する有機EL素子用材料含有溶液を用いることができる。
アルゴン雰囲気下、1,3-ジブロモ-7-t-ブチルピレン10.4g、[1,1’-ビス(ジフェニルホスフィノ)フェロセン]パラジウム(II)ジクロリド ジクロロメタン付加物0.408g、トルエン100mLをフラスコに仕込み、撹拌しながら、メチルマグネシウムブロミドのテトラヒドロフラン溶液(0.92M)を81.5mL加え、2.5時間加熱還流撹拌した。室温まで冷却後、水と塩化メチレンを加え有機層を集めた。有機層を濃縮し、残渣をシリカゲルカラムクロマトグラフィーにて精製し、白色固体6.07gを得た。マススペクトル分析の結果、結果物は7-t-ブチル-1,3-ジメチルピレンであり、分子量286.1に対し、m/e=286であった。
7-t-ブチル-1,3-ジメチルピレン5.00gにトリフルオロメタンスルホン酸30mLとトルエン270mLの混合溶液を加え、アルゴン雰囲気下、80℃で2時間加熱撹拌した。室温まで冷却後、150mLの水に反応溶液を注ぎ、有機層を集めた。有機層を濃縮し、残渣をシリカゲルカラムクロマトグラフィーにて精製し、白色固体3.26gを得た。マススペクトル分析の結果、結果物は目的物である化合物であり、分子量230.3に対し、m/e=230であった。
アルゴン雰囲気下、1,3-ジメチルピレン2.00g、N-ブロモスクシンイミド3.09g、ジメチルホルムアミド80mLをフラスコに仕込み、室温で9時間撹拌した。反応後、析出固体をろ取し、白色固体2.50gを得た。マススペクトル分析の結果、結果物は1,3-ジブロモ-6,8-ジメチルピレンであり、分子量388.10に対し、m/e=388であった。
1,3-ジブロモ-7-t-ブチルピレンの代わりに(4-3)で合成した1,3-ジブロモ-6,8-ジメチルピレンを用いた以外は、合成例1と同様の方法で合成した。マススペクトル分析の結果、結果物は目的物である化合物4であり、分子量744.3に対し、m/e=744であった。
実施例1
膜厚130nmのITO透明電極ライン付きガラス基板(ジオマティック社製)を、5分間、イソプロピルアルコール中で超音波洗浄した後、30分間、UVオゾン洗浄した。
洗浄後の透明電極ライン付きガラス基板を真空蒸着装置の基板ホルダーに装着し、透明電極ラインが形成されている側の面上に透明電極を覆うようにして化合物HAT(ヘキサアザトリフェニレン)を蒸着し、膜厚5nmのHAT膜を形成した。
次いで、HT-1膜上に化合物HT-2を蒸着して、膜厚10nmのHT-2膜を形成した。
次いで、HT-2膜上に化合物BH-1(ホスト材料)及び化合物1(ドーパント材料)を同時に蒸着して、膜厚25nmの薄膜を形成した。このとき、薄膜中の化合物BH-1と化合物1の合計質量に対して、化合物1が質量比で4%となるように蒸着した。
次いで、ET-1膜上に化合物ET-2を蒸着して、膜厚15nmのET-2膜を形成した。
次いで、ET-2膜上にLiFを蒸着して、膜厚1nmのLiF膜を形成した。
最後に、LiF膜上に金属Alを蒸着して、膜厚80nmのAl膜を形成した。
以上のようにして有機EL素子を製造した。
製造した有機EL素子に対して、電流密度が10mA/cm2となるように電圧を印加して、EL発光スペクトルを分光放射輝度計(CS-1000:コニカミノルタ社製)にて計測した。得られた分光放射輝度スペクトルから外部量子効率EQE(%)を算出した。発光ピーク波長λem(nm)と外部量子効率EQE(%)の結果を表1に示す。
ドーパント材料として、化合物1の代わりに、表1に記載する化合物を用いた以外は、実施例1と同様にして有機EL素子を製造して、評価した。結果を表1に示す。
本願のパリ優先の基礎となる日本出願明細書の内容を全てここに援用する。
Claims (27)
- 下記式(1)で表される化合物。
R1~R8の少なくとも1つは、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、又は置換若しくは無置換の炭素数1~15のアルコキシ基であり、
Ar1~Ar4は、それぞれ独立して、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
Ar1~Ar4の少なくとも1つは、下記式(2)で表される基である。
R11~R18のうち隣接する任意の2つは、互いに結合して環を形成してもよく、
X1は、酸素原子又は硫黄原子を示す。)) - Ar1~Ar4の少なくとも2つが前記式(2)で表される基である、請求項1に記載の化合物。
- Ar1及びAr3が前記式(2)で表される基である、請求項1又は2に記載の化合物。
- R11が前記式(1)のNと結合する単結合である、請求項1~3のいずれかに記載の化合物。
- R3~R5の少なくとも1つが、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、又は置換若しくは無置換の炭素数1~15のアルコキシ基である、請求項1~4のいずれかに記載の化合物。
- R4が、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、又は置換若しくは無置換の炭素数1~15のアルコキシ基である、請求項5に記載の化合物。
- R3及びR5が、それぞれ独立して、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、又は置換若しくは無置換の炭素数1~15のアルコキシ基である、請求項5に記載の化合物。
- R1~R8の少なくとも1つが、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、又は置換若しくは無置換の環形成炭素数8~50のアリールシリル基である、請求項1~7のいずれかに記載の化合物。
- R1~R8の少なくとも1つが、置換若しくは無置換の炭素数1~6のアルキル基である、請求項1~8のいずれかに記載の化合物。
- R11が前記式(1)のNと結合する単結合であり、R18が、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基である、請求項1~9のいずれかに記載の化合物。
- 前記式(2)で表される基が、下記式(3)又は下記式(4)で表される基である請求項1~10のいずれかに記載の化合物。
R20~R23は、それぞれ独立して、水素原子、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、置換若しくは無置換の炭素数1~15のアルコキシ基、置換若しくは無置換の環形成炭素数6~30のアリールオキシ基、置換若しくは無置換の炭素数1~15のアルキルチオ基、置換若しくは無置換の環形成炭素数6~30のアリールチオ基、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
*は、R11~R18のうち隣接する任意の2つとの結合位置である。)
Yは、酸素原子、硫黄原子、又はCR34R35であり、
R30~R35は、それぞれ独立して、水素原子、ハロゲン原子、シアノ基、置換若しくは無置換の炭素数1~15のアルキル基、置換若しくは無置換の炭素数3~45のアルキルシリル基、置換若しくは無置換の環形成炭素数8~50のアリールシリル基、置換若しくは無置換の炭素数1~15のアルコキシ基、置換若しくは無置換の環形成炭素数6~30のアリールオキシ基、置換若しくは無置換の炭素数1~15のアルキルチオ基、置換若しくは無置換の環形成炭素数6~30のアリールチオ基、置換若しくは無置換の環形成炭素数6~30のアリール基、又は置換若しくは無置換の環形成原子数5~30のヘテロアリール基であり、
*は、R11~R18のうち任意の隣接する2つとの結合位置である。) - 有機エレクトロルミネッセンス素子用材料である請求項1~11のいずれかに記載の化合物。
- 有機エレクトロルミネッセンス素子用発光材料である請求項1~11のいずれかに記載の化合物。
- 有機エレクトロルミネッセンス素子用ドーパント材料である請求項1~11のいずれかに記載の化合物。
- 陰極と陽極の間に、少なくとも発光層を含む1以上の有機薄膜層が挟持された有機エレクトロルミネッセンス素子であって、
前記有機薄膜層の少なくとも一層が、請求項1~11のいずれかに記載の化合物を単独で若しくは混合物の成分として含む有機エレクトロルミネッセンス素子。 - 前記発光層が前記化合物を含む、請求項15に記載の有機エレクトロルミネッセンス素子。
- 前記化合物がドーパント材料である、請求項16に記載の有機エレクトロルミネッセンス素子。
- 前記有機薄膜層の少なくとも一層が、さらに下記式(5)で表される化合物を含む、請求項15~17のいずれかに記載の有機エレクトロルミネッセンス素子。
R101~R108は、それぞれ独立して、水素原子、置換若しくは無置換の環形成原子数5~50の単環基、置換若しくは無置換の環形成原子数8~50の縮合環基、前記単環基と前記縮合環基との組合せから構成される基、置換若しくは無置換の炭素数1~50のアルキル基、置換若しくは無置換の環形成炭素数3~50のシクロアルキル基、置換若しくは無置換の炭素数1~50のアルコキシ基、置換若しくは無置換の炭素数7~50のアラルキル基、置換若しくは無置換の環形成炭素数6~50のアリールオキシ、置換若しくは無置換のシリル基、ハロゲン原子、又はシアノ基である。) - 前記式(5)において、Ar11及びAr12が、それぞれ独立して、置換若しくは無置換の環形成原子数8~50の縮合環基である請求項18に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11及びAr12の一方が置換若しくは無置換の環形成原子数5~50の単環基であり、Ar11及びAr12の他方が置換若しくは無置換の環形成原子数8~50の縮合環基である請求項18に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11が、無置換のフェニル基、又は、単環基若しくは縮合環基が置換されたフェニル基であり、Ar12が、ナフチル基、フェナントリル基、ベンゾアントリル基、フルオレニル基、又はジベンゾフラニル基である請求項20に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11が無置換のフェニル基であり、Ar12が置換若しくは無置換の環形成原子数8~50の縮合環基である請求項20に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11及びAr12が、それぞれ独立して、置換若しくは無置換の環形成原子数5~50の単環基である請求項18に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11及びAr12が、それぞれ独立して、置換若しくは無置換のフェニル基である請求項23に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11が無置換のフェニル基であり、Ar12が単環基若しくは縮合環基が置換されたフェニル基である請求項24に記載の有機エレクトロルミネッセンス素子。
- 前記式(5)において、Ar11及びAr12が、それぞれ独立して、単環基若しくは縮合環基が置換されたフェニル基である請求項24に記載の有機エレクトロルミネッセンス素子。
- 請求項15~26のいずれかに記載の有機エレクトロルミネッセンス素子を搭載した電子機器。
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CN201580001494.8A CN106170481A (zh) | 2014-09-19 | 2015-09-17 | 新型化合物及使用该化合物的有机电致发光元件 |
EP15820023.8A EP3196198A4 (en) | 2014-09-19 | 2015-09-17 | Novel compound and organic electroluminescence element using same |
KR1020167001393A KR20170055444A (ko) | 2014-09-19 | 2015-09-17 | 신규의 화합물 및 그것을 이용한 유기 전계 발광 소자 |
US14/908,465 US20160284998A1 (en) | 2014-09-19 | 2015-09-17 | Novel compound and organic electroluminescence device obtained by using same |
JP2015560456A JP6685134B2 (ja) | 2014-09-19 | 2015-09-17 | 新規な化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
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JP2014191805 | 2014-09-19 | ||
JP2014-191805 | 2014-09-19 |
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EP (1) | EP3196198A4 (ja) |
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KR (1) | KR20170055444A (ja) |
CN (1) | CN106170481A (ja) |
WO (1) | WO2016042772A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018188426A (ja) * | 2017-05-02 | 2018-11-29 | 株式会社半導体エネルギー研究所 | 有機化合物、発光素子、発光装置、電子機器、および照明装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102031678B1 (ko) | 2014-09-19 | 2019-10-14 | 이데미쓰 고산 가부시키가이샤 | 신규의 화합물 |
CN106146538B (zh) * | 2016-06-30 | 2019-05-07 | 吉林奥来德光电材料股份有限公司 | 一种胺化合物及其制备方法和发光器件 |
JPWO2018151077A1 (ja) * | 2017-02-14 | 2020-01-09 | 出光興産株式会社 | 新規化合物、それを用いた有機エレクトロルミネッセンス素子及び電子機器 |
KR20230117645A (ko) | 2017-04-26 | 2023-08-08 | 오티아이 루미오닉스 인크. | 표면의 코팅을 패턴화하는 방법 및 패턴화된 코팅을포함하는 장치 |
US11751415B2 (en) | 2018-02-02 | 2023-09-05 | Oti Lumionics Inc. | Materials for forming a nucleation-inhibiting coating and devices incorporating same |
CN114106007B (zh) * | 2019-01-18 | 2023-08-25 | 夏禾科技(江苏)有限公司 | 一种有机化合物及包含其的电致发光器件 |
KR20210149058A (ko) | 2019-03-07 | 2021-12-08 | 오티아이 루미오닉스 인크. | 핵생성 억제 코팅물 형성용 재료 및 이를 포함하는 디바이스 |
KR20230116914A (ko) | 2020-12-07 | 2023-08-04 | 오티아이 루미오닉스 인크. | 핵 생성 억제 코팅 및 하부 금속 코팅을 사용한 전도성 증착 층의 패턴화 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010122810A1 (ja) * | 2009-04-24 | 2010-10-28 | 出光興産株式会社 | 芳香族アミン誘導体及びそれを用いた有機エレクトロルミネッセンス素子 |
WO2012048780A1 (de) | 2010-10-15 | 2012-04-19 | Merck Patent Gmbh | Verbindungen für elektronische vorrichtungen |
WO2013039221A1 (ja) | 2011-09-16 | 2013-03-21 | 出光興産株式会社 | 芳香族アミン誘導体およびそれを用いた有機エレクトロルミネッセンス素子 |
WO2014166571A1 (de) * | 2013-04-08 | 2014-10-16 | Merck Patent Gmbh | Materialien für elektronische vorrichtungen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2008136522A1 (ja) * | 2007-05-08 | 2010-07-29 | 出光興産株式会社 | ジアミノピレン誘導体、および、これを用いた有機el素子 |
WO2010113743A1 (ja) * | 2009-03-30 | 2010-10-07 | 東レ株式会社 | 発光素子材料および発光素子 |
JP5868652B2 (ja) * | 2011-10-18 | 2016-02-24 | 出光興産株式会社 | 芳香族アミン誘導体およびそれを用いた有機エレクトロルミネッセンス素子 |
-
2015
- 2015-09-17 WO PCT/JP2015/004766 patent/WO2016042772A1/ja active Application Filing
- 2015-09-17 US US14/908,465 patent/US20160284998A1/en not_active Abandoned
- 2015-09-17 EP EP15820023.8A patent/EP3196198A4/en not_active Ceased
- 2015-09-17 CN CN201580001494.8A patent/CN106170481A/zh active Pending
- 2015-09-17 JP JP2015560456A patent/JP6685134B2/ja not_active Expired - Fee Related
- 2015-09-17 KR KR1020167001393A patent/KR20170055444A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010122810A1 (ja) * | 2009-04-24 | 2010-10-28 | 出光興産株式会社 | 芳香族アミン誘導体及びそれを用いた有機エレクトロルミネッセンス素子 |
WO2012048780A1 (de) | 2010-10-15 | 2012-04-19 | Merck Patent Gmbh | Verbindungen für elektronische vorrichtungen |
JP2014506232A (ja) * | 2010-10-15 | 2014-03-13 | メルク パテント ゲーエムベーハー | 電子素子のための化合物 |
WO2013039221A1 (ja) | 2011-09-16 | 2013-03-21 | 出光興産株式会社 | 芳香族アミン誘導体およびそれを用いた有機エレクトロルミネッセンス素子 |
WO2014166571A1 (de) * | 2013-04-08 | 2014-10-16 | Merck Patent Gmbh | Materialien für elektronische vorrichtungen |
Non-Patent Citations (1)
Title |
---|
See also references of EP3196198A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018188426A (ja) * | 2017-05-02 | 2018-11-29 | 株式会社半導体エネルギー研究所 | 有機化合物、発光素子、発光装置、電子機器、および照明装置 |
JP7066499B2 (ja) | 2017-05-02 | 2022-05-13 | 株式会社半導体エネルギー研究所 | 有機化合物、発光素子、発光装置、電子機器、および照明装置 |
JP2022115902A (ja) * | 2017-05-02 | 2022-08-09 | 株式会社半導体エネルギー研究所 | 化合物 |
US11555030B2 (en) | 2017-05-02 | 2023-01-17 | Semiconductor Energy Laboratory Co., Ltd. | Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device |
Also Published As
Publication number | Publication date |
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JP6685134B2 (ja) | 2020-04-22 |
JPWO2016042772A1 (ja) | 2017-06-29 |
CN106170481A (zh) | 2016-11-30 |
EP3196198A1 (en) | 2017-07-26 |
US20160284998A1 (en) | 2016-09-29 |
EP3196198A4 (en) | 2018-06-06 |
KR20170055444A (ko) | 2017-05-19 |
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