WO2023163479A1 - 유기 화합물 및 이를 이용한 유기 전계 발광 소자 - Google Patents
유기 화합물 및 이를 이용한 유기 전계 발광 소자 Download PDFInfo
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Definitions
- the present invention relates to a novel organic light emitting compound and an organic electroluminescent device using the same, and more particularly, to a compound having excellent electron transport ability, light emitting ability and thermal stability, and luminous efficiency, driving voltage, and lifetime by including the compound in one or more organic material layers. It relates to an organic electroluminescent device with improved properties such as
- the material used as the organic material layer may be classified according to its function into a light emitting material, a hole injection material, a hole transport material, an electron transport material, an electron injection material, and the like.
- phosphorescent material can theoretically improve luminous efficiency up to 4 times compared to fluorescence, so attention is focused on phosphorescent host materials as well as phosphorescent dopants.
- NPB, BCP, Alq 3 , etc. have been widely known as materials used in hole injection layers, hole transport layers, hole blocking layers, and electron transport layers, and anthracene derivatives have been reported as fluorescent dopant/host materials as light emitting materials.
- phosphorescent materials that have a great advantage in terms of efficiency improvement among light emitting materials include metal complex compounds containing Ir such as Firpic, Ir(ppy) 3 , and (acac)Ir(btp) 2 as blue, green, and red dopant materials. is being used as So far, CBP has shown excellent properties as a phosphorescent host material.
- a technical problem of the present invention is to provide a novel organic compound that can be applied to an organic electroluminescent device, and has excellent hole and electron injection and transport capabilities, luminescent performance, and the like.
- another technical problem of the present invention is to provide an organic electroluminescent device having a low driving voltage, a high luminous efficiency, and an improved lifetime, including the novel compound.
- the present invention provides a compound represented by Formula 1 below.
- a plurality of X's are the same as or different from each other, and are each independently CR 2 or N, provided that at least two of the plurality of X's are N,
- R 2 is hydrogen, deuterium (D), halogen, cyano group, nitro group, C 1 ⁇ C 40 alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 3 ⁇ C 40 Cycloalkyl group, heterocycloalkyl group having 3 to 40 nuclear atoms, C 6 ⁇ C 60 aryl group, heteroaryl group having 5 to 60 nuclear atoms, C 1 ⁇ C 40 alkyloxy group, C 6 ⁇ C 60 Aryloxy group, C 3 ⁇ C 40 alkylsilyl group, C 6 ⁇ C 60 arylsilyl group, C 1 ⁇ C 40 alkyl boron group, C 6 ⁇ C 60 aryl boron group, C 6 ⁇ C 60 Arylphosphanyl group, C 6 ⁇ C 60 monoarylphosphinyl group, C 6 ⁇ C 60 diarylphosphinyl group, C 6 ⁇ C 60 arylamine group, C 5 ⁇
- L is selected from the group consisting of a single bond or a C 6 ⁇ C 18 arylene group and a heteroarylene group having 5 to 18 nuclear atoms;
- R 1 is selected from the group consisting of a C 6 ⁇ C 60 aryl group and a heteroaryl group having 5 to 60 nuclear atoms;
- n is an integer from 0 to 3
- Ar 2 is C 1 ⁇ C 40 alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 3 ⁇ C 40 cycloalkyl group, heterocycloalkyl group having 3 to 40 nuclear atoms, C 6 ⁇ C 60 aryl group, 5 to 60 nuclear atoms heteroaryl group, C 1 ⁇ C 40 alkyloxy group, C 6 ⁇ C 60 aryloxy group, C 3 ⁇ C 40 alkylsilyl group, C 6 ⁇ C 60 arylsilyl group, C 1 ⁇ C 40 alkyl boron group, C 6 ⁇ C 60 aryl boron group, C 6 ⁇ C 60 arylphosphanyl group, C 6 ⁇ C 60 monoaryl phosphi In the group consisting of a yl group, a C 6 ⁇ C 60 diarylphosphinyl group, a C 6 ⁇ C 60 arylamine group, a C 5 ⁇ C 60
- Ar 1 is a moiety represented by Formula 2 below;
- Y is O, S or NR 11 ;
- Ring A and Ring B are the same as or different from each other, and are each independently a C 5 to C 18 monocyclic or polycyclic hydrocarbon ring group containing or not containing a hetero atom;
- R 11 and R 12 are the same as or different from each other, and are each independently a C 1 ⁇ C 12 alkyl group, a C 6 ⁇ C 12 aryl group, and a heteroaryl group having 5 to 12 nuclear atoms, or bonded to adjacent groups. to form a condensed ring,
- a 0 to 2;
- Amine groups are each independently deuterium (D), halogen, cyano group, nitro group, C 1 ⁇ C 40 alkyl group, C 2 ⁇ C 40 alkenyl group, C 2 ⁇ C 40 alkynyl group, C 3 ⁇ C 40 Cycloalkyl group, heterocycloalkyl group of 3 to 40 nuclear atoms, C 6 ⁇ C 60 aryl group, heteroaryl group of 5 to 60 nuclear atoms, C 1 ⁇ C 40 alkyloxy group, C 6 ⁇ C 60 Aryloxy group, C 1 ⁇ C 40 alkylsilyl group, C 6 ⁇ C 60 arylsilyl group, C 1 ⁇ C 40 alkyl boron group, C 6 ⁇ C 60 aryl boron group, C 6 ⁇ C 60 An arylphosphine group, a C 6 ⁇ C 60 arylphosphine oxide group, a C 6 ⁇ C 60 arylamine group, a C 5 ⁇ C 60 arylheter
- the total number of carbon atoms contained in Ar 1 unsubstituted or substituted with a substituent includes 16 to 24.
- the present invention is an organic electroluminescent device including an anode, a cathode, and one or more organic material layers interposed between the anode and the cathode, and at least one of the one or more organic material layers includes the compound represented by Formula 1.
- the compound represented by Formula 1 of the present invention is used as an organic material layer material of an organic electroluminescent device, preferably a light emitting layer material (blue, green and/or red phosphorescent host material), an electron transport layer/injection layer material, and a hole hole material.
- a transport layer/injection layer material preferably a light emitting layer material (blue, green and/or red phosphorescent host material)
- an electron transport layer/injection layer material preferably a hole hole material
- a hole hole material preferably a light emitting layer material (blue, green and/or red phosphorescent host material), an electron transport layer/injection layer material, and a hole hole material.
- Ar 1 A specific example of Ar 1 may be represented by the following structural formula.
- Ar 2 introduced into the nitrogen-containing heterocycle (X-containing ring) is a C 1 ⁇ C 40 alkyl group, a C 2 ⁇ C 40 alkenyl group, a C 2 ⁇ C 40 alkynyl group, or a C 3 ⁇ C 40 cycloalkyl group.
- Ar 2 may be selected from the group consisting of a C 6 ⁇ C 60 aryl group and a heteroaryl group having 5 to 60 nuclear atoms, and more specifically, each independently a C 6 ⁇ C 18 aryl group and a nucleus It is preferably a heteroaryl group having 5 to 18 atoms.
- Ar 2 A specific example of Ar 2 may be represented by the following structural formula.
- the linker (L) is present between the plurality of aryl group moieties and the nitrogen-containing aromatic ring, the HOMO region is extended to give a benefit to the HOMO-LUMO distribution, and the charge transfer efficiency is improved through appropriate overlap of HOMO-LUMO can be raised
- the linker (eg, L) is not particularly limited and may be a conventional divalent group linker known in the art.
- L may be a single bond, or may be selected from the group consisting of a C 6 ⁇ C 18 arylene group and a heteroarylene group having 5 to 18 nuclear atoms. More specifically, it may be independently selected from the group consisting of a C 6 ⁇ C 12 arylene group and a heteroarylene group having 5 to 12 nuclear atoms.
- arylene group linker a phenylene group, a biphenylene group, a naphthylene group, an anthracenylene group, an indenylene group, a pyranthrenylene group, a carbazolylene group, a thiophenylene group, an indolylene group, a purinylene group, and the like. More specifically, it is preferably a phenylene group or a biphenylene group.
- specific examples of the heteroarylene group linker include a dibenzofuran-based moiety, a dibenzothiophene-based moiety, and/or a dibenzoselenophenone-based moiety.
- R 1 may be selected from the group consisting of a C 6 ⁇ C 60 aryl group and a heteroaryl group having 5 to 60 nuclear atoms.
- the number (m) of aryl groups/heteroaryl groups introduced may be an integer of 1 or more, preferably 1 to 5. In this case, when m is 2 to 5, a plurality of R 1 may be the same as or different from each other.
- an arylene group or a heteroarylene group of L an arylene group or a heteroarylene group of L;
- An aryloxy group, an alkylsilyl group, an arylsilyl group, an alkylboron group, an arylboron group, an arylphosphanyl group, a monoarylphosphinyl group, a diarylphosphinyl group, an arylamine group, an arylheteroarylamine group, and a hetero Arylamine groups are each independently deuterium (D), halogen, cyano group, nitro group, C 1 ⁇ C 40 alkyl group, C 2 ⁇ C
- the compound represented by Chemical Formula 1 is a ring compound having a linker (L) and an unshared electron pair, specifically a dibenzo-based/carbazole-based moiety (eg, Ar 1 ) depending on the type of the following It may be further embodied in any one of Formulas 3 to 9. However, it is not limited thereto.
- X, Y, Ar 2 , R 1 , n and m are each as defined in claim 1,
- X, Ar 1 , Ar 2 , L, R 1 , and n are each as defined in claim 1.
- the compound represented by Formula 1 of the present invention described above may be further exemplified by compounds represented by 1 to 93, such as the compounds exemplified below.
- the compound represented by Formula 1 of the present invention is not limited to those exemplified below.
- alkyl means a monovalent substituent derived from a straight or branched chain saturated hydrocarbon having 1 to 40 carbon atoms. Examples thereof include, but are not limited to, methyl, ethyl, propyl, isobutyl, sec-butyl, pentyl, iso-amyl, hexyl, and the like.
- alkynyl refers to a monovalent substituent derived from a straight-chain or branched unsaturated hydrocarbon having 2 to 40 carbon atoms and having at least one carbon-carbon triple bond. Examples thereof include, but are not limited to, ethynyl and 2-propynyl.
- aryl means a monovalent substituent derived from an aromatic hydrocarbon having 6 to 40 carbon atoms in a single ring or a combination of two or more rings.
- a form in which two or more rings are simply attached to each other (pendant) or condensed may be included. Examples of such aryl include, but are not limited to, phenyl, naphthyl, phenanthryl, anthryl, and the like.
- heteroaryl examples include 6-membered monocyclic rings such as pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, triazinyl, phenoxathienyl, indolizinyl, indolyl ( polycyclic rings such as indolyl, purinyl, quinolyl, benzothiazole, carbazolyl and 2-furanyl, N-imidazolyl, 2-isoxazolyl , 2-pyridinyl, 2-pyrimidinyl and the like, but are not limited thereto.
- 6-membered monocyclic rings such as pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, triazinyl, phenoxathienyl, indolizinyl, indolyl ( polycyclic rings such as indolyl, purinyl, quinolyl, benzothiazole, carbazo
- aryloxy is a monovalent substituent represented by RO-, wherein R means an aryl having 5 to 40 carbon atoms.
- R means an aryl having 5 to 40 carbon atoms.
- Examples of such aryloxy include, but are not limited to, phenyloxy, naphthyloxy, diphenyloxy, and the like.
- alkyloxy is a monovalent substituent represented by R'O-, wherein R' means alkyl having 1 to 40 carbon atoms, and has a linear, branched or cyclic structure.
- R' means alkyl having 1 to 40 carbon atoms, and has a linear, branched or cyclic structure.
- alkyloxy include, but are not limited to, methoxy, ethoxy, n-propoxy, 1-propoxy, t-butoxy, n-butoxy, pentoxy, and the like.
- cycloalkyl means a monovalent substituent derived from a monocyclic or polycyclic non-aromatic hydrocarbon having 3 to 40 carbon atoms.
- examples of such cycloalkyl include, but are not limited to, cyclopropyl, cyclopentyl, cyclohexyl, norbornyl, adamantine, and the like.
- heterocycloalkyl means a monovalent substituent derived from a non-aromatic hydrocarbon having 3 to 40 nuclear atoms, and one or more carbons in the ring, preferably 1 to 3 carbons, are N, O, S or a heteroatom such as Se.
- heterocycloalkyl include, but are not limited to, morpholine, piperazine, and the like.
- alkylsilyl refers to silyl substituted with alkyl having 1 to 40 carbon atoms
- arylsilyl refers to silyl substituted with aryl having 5 to 40 carbon atoms.
- condensed ring means a condensed aliphatic ring, a condensed aromatic ring, a condensed heteroaliphatic ring, a condensed heteroaromatic ring, or a combination thereof.
- the present invention provides an electron transport layer comprising the compound represented by Formula 1 above.
- the electron transport layer serves to move electrons injected from the cathode to an adjacent layer, specifically the light emitting layer.
- the compound represented by Formula 1 may be used alone as an electron transport layer (ETL) material, or may be mixed with electron transport layer materials known in the art. It is preferably used alone.
- ETL electron transport layer
- Materials for the electron transport layer that can be mixed with the compound of Formula 1 include electron transport materials commonly known in the art.
- Non-limiting examples of usable electron transport materials include oxazole-based compounds, isoxazole-based compounds, triazole-based compounds, isothiazole-based compounds, oxadiazole-based compounds, thiadiazole-based compounds, perylene ( perylene)-based compounds, aluminum complexes (e.g. Alq 3 (tris(8-quinolinolato)-aluminium) BAlq, SAlq, Almq3, gallium complexes (e.g. Gaq'2OPiv, Gaq '2OAc, 2(Gaq'2)), etc. These may be used alone or in combination of two or more.
- the mixing ratio thereof is not particularly limited and may be appropriately adjusted within a range known in the art.
- the present invention provides an electron transport auxiliary layer comprising the compound represented by Formula 1 above.
- the compound represented by Formula 1 may be used alone as an electron transport auxiliary layer material, or may be mixed with electron transport layer materials known in the art. It is preferably used alone.
- the electron transport auxiliary layer material that can be mixed with the compound of Formula 1 includes an electron transport material commonly known in the art.
- the electron transport auxiliary layer may include an oxadiazole derivative, a triazole derivative, a phenanthroline derivative (eg, BCP), a nitrogen-containing heterocyclic derivative, and the like.
- the mixing ratio thereof is not particularly limited and may be appropriately adjusted within a range known in the art.
- organic electroluminescent device including the compound represented by Formula 1 according to the present invention.
- the present invention is an organic electroluminescent device comprising an anode, a cathode, and one or more organic material layers interposed between the anode and the cathode, wherein at least one of the one or more organic material layers is It includes the compound represented by Formula 1 above.
- the above compounds may be used alone or in combination of two or more.
- the one or more organic material layers may be any one or more of a hole injection layer, a hole transport layer, a light emitting layer, a light emitting auxiliary layer, a lifespan improvement layer, an electron transport layer, an electron transport auxiliary layer, and an electron injection layer, and at least one organic material layer among them may be one or more of the above chemical formula. It includes the compound represented by 1.
- the organic material layer containing the compound of Formula 1 is preferably a light emitting layer (more specifically, a phosphorescent host material), an electron transport layer, and an electron transport auxiliary layer.
- the light emitting layer of the organic electroluminescent device according to the present invention includes a host material and a dopant material.
- the compound of Formula 1 may be included as the host material.
- the light emitting layer of the present invention may include a compound known in the art other than the compound of Formula 1 as a host.
- the compound represented by Formula 1 is included as a material for the light emitting layer of the organic light emitting device, preferably as a blue, green, or red phosphorescent host material, since the bonding force between holes and electrons in the light emitting layer is increased, the efficiency of the organic light emitting device is increased. (luminous efficiency and power efficiency), lifespan, luminance, driving voltage, etc. can be improved.
- the compound represented by Formula 1 is preferably included in an organic electroluminescent device as a green and/or red phosphorescent host, a fluorescent host, or a dopant material.
- the compound represented by Chemical Formula 1 of the present invention is preferably a green phosphorescent exciplex N-type host material for a high-efficiency light emitting layer.
- the structure of the organic electroluminescent device of the present invention is not particularly limited, but may be a structure in which a substrate, an anode, a hole injection layer, a hole transport layer, a light emitting auxiliary layer, a light emitting layer, an electron transport layer, and a cathode are sequentially stacked.
- at least one of the hole injection layer, the hole transport layer, the light emitting auxiliary layer, the light emitting layer, the electron transport layer, and the electron injection layer may include the compound represented by Formula 1, preferably a light emitting layer, more preferably a phosphorescent host. may include the compound represented by Formula 1 above.
- an electron injection layer may be additionally stacked on the electron transport layer.
- the structure of the organic electroluminescent device of the present invention may be a structure in which an insulating layer or an adhesive layer is inserted at the interface between the electrode and the organic material layer.
- the organic electroluminescent device of the present invention may be manufactured by forming an organic material layer and an electrode using materials and methods known in the art, except that at least one layer among the organic material layers includes the compound represented by Chemical Formula 1. there is.
- the organic layer may be formed by a vacuum deposition method or a solution coating method.
- the solution application method include, but are not limited to, spin coating, dip coating, doctor blading, inkjet printing, or thermal transfer.
- the substrate used in manufacturing the organic electroluminescent device of the present invention is not particularly limited, and examples thereof include silicon wafers, quartz, glass plates, metal plates, plastic films and sheets.
- any cathode material known in the art may be used without limitation.
- 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); combinations of metals and oxides such as ZnO:Al or SnO 2 :Sb; conductive polymers such as polythiophene, poly(3-methylthiophene), poly[3,4-(ethylene-1,2-dioxy)thiophene] (PEDT), polypyrrole or polyaniline; and carbon black, but is not limited thereto.
- a blue organic electroluminescent device was manufactured as follows.
- a glass substrate coated with ITO Indium tin oxide
- ITO Indium tin oxide
- ultrasonic cleaning with solvents such as isopropyl alcohol, acetone, methanol, etc.
- transfer to a UV OZONE cleaner Power sonic 405, Hwashin Tech
- cleaning the substrate for 5 minutes using UV The substrate was transferred to a vacuum evaporator.
- HT-1, HAT-CN, HT-2, BH, BD, ET-1, ET-2 and LiQ used at this time are as follows.
- a blue organic electroluminescent device was fabricated in the same manner as in Example 1, except that ET-1 was deposited at 300 ⁇ instead of Compounds 1 to 87 as an electron transport layer material.
- the blue organic electroluminescent devices of Examples 11 to 33 including the compound according to the present invention as an electron transport auxiliary layer material are compounds having a different number of carbon atoms in the dibenzo-based moiety than those of the present invention. It was found to exhibit excellent performance in terms of current efficiency and driving voltage compared to the organic electroluminescent devices of Comparative Examples 2 to 6 including.
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Abstract
Description
| 샘플 | 전자수송층 | 구동 전압 (V) |
EL 피크 (nm) |
전류효율 (cd/A) |
| 실시예 1 | 화합물 1 | 4.2 | 461 | 6.3 |
| 실시예 2 | 화합물 3 | 4.3 | 459 | 6.4 |
| 실시예 4 | 화합물 11 | 4.7 | 460 | 6.2 |
| 실시예 5 | 화합물 16 | 4.3 | 460 | 6.1 |
| 실시예 6 | 화합물 17 | 4.2 | 459 | 6.3 |
| 실시예 6 | 화합물 18 | 4.7 | 458 | 5.9 |
| 실시예 7 | 화합물 24 | 4.3 | 459 | 6.5 |
| 실시예 8 | 화합물 37 | 4.5 | 461 | 6.0 |
| 실시예 9 | 화합물 86 | 4.6 | 458 | 6.1 |
| 실시예 10 | 화합물 87 | 4.3 | 460 | 6.5 |
| 비교예 1 | ET-1 | 4.8 | 460 | 5.8 |
| 샘플 | 전자수송 보조층 |
구동 전압 (V) |
EL 피크 (nm) |
전류효율 (cd/A) |
| 실시예 11 | 화합물 1 | 3.7 | 460 | 7.2 |
| 실시예 12 | 화합물 3 | 3.8 | 461 | 7.1 |
| 실시예 13 | 화합물 4 | 4.2 | 460 | 6.9 |
| 실시예 14 | 화합물 8 | 4.4 | 461 | 6.7 |
| 실시예 15 | 화합물 11 | 3.9 | 460 | 6.9 |
| 실시예 16 | 화합물 15 | 3.9 | 460 | 6.8 |
| 실시예 17 | 화합물 24 | 4.1 | 458 | 6.7 |
| 실시예 18 | 화합물 28 | 4.3 | 460 | 6.2 |
| 실시예 19 | 화합물 35 | 3.9 | 460 | 7.1 |
| 실시예 20 | 화합물 37 | 3.7 | 459 | 7.1 |
| 실시예 21 | 화합물 38 | 3.7 | 460 | 6.9 |
| 실시예 22 | 화합물 48 | 4.3 | 458 | 6.3 |
| 실시예 23 | 화합물 49 | 4.5 | 461 | 6.0 |
| 실시예 24 | 화합물 51 | 4.1 | 459 | 6.7 |
| 실시예 25 | 화합물 54 | 4.2 | 458 | 6.3 |
| 실시예 26 | 화합물 59 | 4.6 | 458 | 5.8 |
| 실시예 27 | 화합물 61 | 4.3 | 457 | 6.1 |
| 실시예 28 | 화합물 65 | 4.0 | 460 | 6.8 |
| 실시예 29 | 화합물 81 | 3.7 | 458 | 6.7 |
| 실시예 30 | 화합물 83 | 3.9 | 461 | 7.2 |
| 실시예 31 | 화합물 86 | 4.3 | 460 | 6.4 |
| 실시예 32 | 화합물 87 | 3.8 | 461 | 7.2 |
| 실시예 33 | 화합물 93 | 4.1 | 457 | 6.7 |
| 비교예 2 | ET-2 | 4.4 | 457 | 6.2 |
| 비교예 3 | ET-3 | 4.6 | 461 | 5.9 |
| 비교예 4 | ET-4 | 4.6 | 460 | 6.0 |
| 비교예 5 | ET-5 | 4.8 | 462 | 5.8 |
| 비교예 6 | ET-6 | 5.0 | 460 | 4.9 |
Claims (14)
- 하기 화학식 1로 표시되는 화합물:[화학식 1]상기 화학식 1에서,복수의 X는 서로 동일하거나 또는 상이하며, 각각 독립적으로 CR2 또는 N이고, 다만 복수의 X 중 적어도 2개는 N이며,R2는 수소, 중수소(D), 할로겐, 시아노기, 니트로기, C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C3~C40의 시클로알킬기, 핵원자수 3 내지 40개의 헤테로시클로알킬기, C6~C60의 아릴기, 핵원자수 5 내지 60개의 헤테로아릴기, C1~C40의 알킬옥시기, C6~C60의 아릴옥시기, C3~C40의 알킬실릴기, C6~C60의 아릴실릴기, C1~C40의 알킬보론기, C6~C60의 아릴보론기, C6~C60의 아릴포스파닐기, C6~C60의 모노아릴포스피닐기, C6~C60의 디아릴포스피닐기, C6~C60의 아릴아민기, C5~C60의 아릴헤테로아릴아민기 및 핵원자수 5 내지 60개의 헤테로아릴아민기로 이루어진 군에서 선택되며;L은 단일결합 또는 C6~C18의 아릴렌기 및 핵원자수 5 내지 18개의 헤테로아릴렌기로 이루어진 군에서 선택되고,R1 은 C6~C60의 아릴기, 및 핵원자수 5 내지 60개의 헤테로아릴기로 이루어진 군에서 선택되며,m은 1 이상의 정수이고, n는 0 내지 3의 정수이며,Ar2는 C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C3~C40의 시클로알킬기, 핵원자수 3 내지 40개의 헤테로시클로알킬기, C6~C60의 아릴기, 핵원자수 5 내지 60개의 헤테로아릴기, C1~C40의 알킬옥시기, C6~C60의 아릴옥시기, C3~C40의 알킬실릴기, C6~C60의 아릴실릴기, C1~C40의 알킬보론기, C6~C60의 아릴보론기, C6~C60의 아릴포스파닐기, C6~C60의 모노아릴포스피닐기, C6~C60의 디아릴포스피닐기, C6~C60의 아릴아민기, C5~C60의 아릴헤테로아릴아민기 및 핵원자수 5 내지 60개의 헤테로아릴아민기로 이루어진 군에서 선택되며,Ar1은 하기 화학식 2로 표시되는 모이어티이며,[화학식 2]상기 화학식 2에서,*는 화학식 1과 연결되며,Y는 O, S 또는 NR11이며,환 A와 환 B는 서로 동일하거나 또는 상이하며, 각각 독립적으로 헤테로원자를 포함하거나 비포함하는 C5~C18의 단환 또는 다환의 탄화수소 고리기이며,R11 및 R12는 서로 동일하거나 또는 상이하며, 각각 독립적으로 C1~C12의 알킬기, C6~C12의 아릴기 및 핵원자수 5 내지 12의 헤테로아릴기이거나, 또는 이들이 인접한 기와 결합하여 축합고리를 형성할 수 있으며,a는 0 내지 2이며,상기 L의 아릴렌기, 헤테로아릴렌기와; 상기 R1의 아릴기, 헤테로아릴기와, 상기 R2, R11~R12, 및 Ar2의 알킬기, 알케닐기, 알키닐기, 시클로알킬기, 헤테로시클로알킬기, 아릴기, 헤테로아릴기, 알킬옥시기, 아릴옥시기, 알킬실릴기, 아릴실릴기, 알킬보론기, 아릴보론기, 아릴포스파닐기, 모노아릴포스피닐기, 디아릴포스피닐기, 아릴아민기, 아릴헤테로아릴아민기, 및 헤테로아릴아민기는, 각각 독립적으로 중수소(D), 할로겐, 시아노기, 니트로기, C1~C40의 알킬기, C2~C40의 알케닐기, C2~C40의 알키닐기, C3~C40의 시클로알킬기, 핵원자수 3 내지 40의 헤테로시클로알킬기, C6~C60의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기, C1~C40의 알킬옥시기, C6~C60의 아릴옥시기, C1~C40의 알킬실릴기, C6~C60의 아릴실릴기, C1~C40의 알킬보론기, C6~C60의 아릴보론기, C6~C60의 아릴포스핀기, C6~C60의 아릴포스핀옥사이드기, C6~C60의 아릴아민기, C5~C60의 아릴헤테로아릴아민기, 및 핵원자수 5 내지 60개의 헤테로아릴아민기로 이루어진 군에서 선택된 1종 이상의 치환기로 치환될 수 있으며, 이때 상기 치환기가 복수인 경우, 이들은 서로 동일하거나 상이할 수 있으며,다만 치환기로 치환되거나 또는 비치환된 Ar1에 함유된 전체 탄소수는 16 내지 24개를 포함한다.
- 제1항에 있어서,R1은 C6~C12의 아릴기이며,m은 1 내지 5의 정수이고,치환기로 치환되거나 또는 비치환된 R1에 함유된 전체 탄소수는 적어도 18 개를 포함한다.
- 제1항에 있어서,Ar2는 C6~C60의 아릴기 및 핵원자수 5 내지 60개의 헤테로아릴기로 구성된 군에서 선택되는 화합물.
- 제1항에 있어서,상기 화학식 1로 표시되는 화합물은 발광층, 전자수송층 또는 전자수송 보조층 재료인 화합물.
- 양극, 음극 및 상기 양극과 음극 사이에 개재(介在)된 1층 이상의 유기물층을 포함하며, 상기 1층 이상의 유기물층 중 적어도 하나는 제1항 내지 제11항 중 어느 한 항에 기재된 화합물을 포함하는 유기 전계 발광 소자.
- 제12항에 있어서,상기 화합물을 포함하는 유기물층은 발광층, 발광보조층, 정공주입층, 정공수송층, 전자주입층, 수명개선층, 전자수송층, 및 전자수송 보조층으로 구성된 군에서 선택되는 유기 전계 발광 소자.
- 제13항에 있어서,상기 화합물은 발광층의 인광 호스트 재료, 전자수송층 및 전자수송 보조층 중 적어도 하나의 재료로 포함되는 유기 전계 발광 소자.
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| Application Number | Priority Date | Filing Date | Title |
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| EP23760353.5A EP4484419A4 (en) | 2022-02-22 | 2023-02-21 | ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING IT |
| CN202380023179.XA CN118742546A (zh) | 2022-02-22 | 2023-02-21 | 有机化合物以及利用其的有机电致发光器件 |
| JP2024549483A JP2025508782A (ja) | 2022-02-22 | 2023-02-21 | 有機化合物及びこれを用いた有機エレクトロルミネッセンス素子 |
| US18/840,321 US20260022101A1 (en) | 2022-02-22 | 2023-02-21 | Organic compound and organic electroluminescent device using same |
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| KR10-2022-0023188 | 2022-02-22 | ||
| KR1020220023188A KR102863459B1 (ko) | 2022-02-22 | 2022-02-22 | 유기 화합물 및 이를 이용한 유기 전계 발광 소자 |
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| WO2023163479A1 true WO2023163479A1 (ko) | 2023-08-31 |
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| JP (1) | JP2025508782A (ko) |
| KR (3) | KR102863459B1 (ko) |
| CN (1) | CN118742546A (ko) |
| WO (1) | WO2023163479A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118955442A (zh) * | 2024-08-30 | 2024-11-15 | 广东阿格蕾雅光电材料有限公司 | 一种主体材料组合物及有机电致发光器件 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117222651A (zh) * | 2021-11-12 | 2023-12-12 | 株式会社Lg化学 | 新型化合物及包含其的有机发光器件 |
| US20260033130A1 (en) * | 2022-07-13 | 2026-01-29 | Solus Advanced Materials Co., Ltd. | Organic compound and organic electroluminescent device using same |
| WO2025143781A1 (ko) * | 2023-12-27 | 2025-07-03 | 솔루스첨단소재 주식회사 | 유기 화합물 및 이를 포함하는 유기 전계 발광 소자 |
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- 2023-02-21 US US18/840,321 patent/US20260022101A1/en active Pending
- 2023-02-21 EP EP23760353.5A patent/EP4484419A4/en active Pending
- 2023-02-21 WO PCT/KR2023/002442 patent/WO2023163479A1/ko not_active Ceased
- 2023-02-21 JP JP2024549483A patent/JP2025508782A/ja active Pending
- 2023-02-21 CN CN202380023179.XA patent/CN118742546A/zh active Pending
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- 2025-09-15 KR KR1020250131828A patent/KR20250138163A/ko active Pending
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| KR20200069449A (ko) * | 2018-12-06 | 2020-06-17 | 덕산네오룩스 주식회사 | 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118955442A (zh) * | 2024-08-30 | 2024-11-15 | 广东阿格蕾雅光电材料有限公司 | 一种主体材料组合物及有机电致发光器件 |
| CN118955442B (zh) * | 2024-08-30 | 2026-02-10 | 广东阿格蕾雅光电材料有限公司 | 一种主体材料组合物及有机电致发光器件 |
| WO2026046280A1 (zh) * | 2024-08-30 | 2026-03-05 | 广东阿格蕾雅光电材料有限公司 | 一种主体材料组合物及有机电致发光器件 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250138163A (ko) | 2025-09-19 |
| US20260022101A1 (en) | 2026-01-22 |
| KR102863459B1 (ko) | 2025-09-25 |
| KR20230126310A (ko) | 2023-08-30 |
| JP2025508782A (ja) | 2025-04-10 |
| EP4484419A1 (en) | 2025-01-01 |
| KR20250139263A (ko) | 2025-09-23 |
| CN118742546A (zh) | 2024-10-01 |
| EP4484419A4 (en) | 2025-11-19 |
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