KR20140104845A - 유기 발광 소자 - Google Patents
유기 발광 소자 Download PDFInfo
- Publication number
- KR20140104845A KR20140104845A KR1020130018838A KR20130018838A KR20140104845A KR 20140104845 A KR20140104845 A KR 20140104845A KR 1020130018838 A KR1020130018838 A KR 1020130018838A KR 20130018838 A KR20130018838 A KR 20130018838A KR 20140104845 A KR20140104845 A KR 20140104845A
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- KR
- South Korea
- Prior art keywords
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- Prior art date
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- 239000010410 layer Substances 0.000 claims abstract description 177
- 239000012044 organic layer Substances 0.000 claims abstract description 17
- 150000002391 heterocyclic compounds Chemical class 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 76
- 150000001875 compounds Chemical class 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 39
- 125000003118 aryl group Chemical group 0.000 claims description 37
- -1 anthracene compound Chemical class 0.000 claims description 25
- 239000002019 doping agent Substances 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 239000002346 layers by function Substances 0.000 claims description 21
- 125000001072 heteroaryl group Chemical group 0.000 claims description 17
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 16
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 13
- 125000003367 polycyclic group Chemical group 0.000 claims description 13
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 10
- 125000005843 halogen group Chemical group 0.000 claims description 10
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 10
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 125000003277 amino group Chemical group 0.000 claims description 8
- 229910052805 deuterium Inorganic materials 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 150000004696 coordination complex Chemical class 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical group 0.000 claims description 5
- IXHWGNYCZPISET-UHFFFAOYSA-N 2-[4-(dicyanomethylidene)-2,3,5,6-tetrafluorocyclohexa-2,5-dien-1-ylidene]propanedinitrile Chemical compound FC1=C(F)C(=C(C#N)C#N)C(F)=C(F)C1=C(C#N)C#N IXHWGNYCZPISET-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 150000004059 quinone derivatives Chemical group 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 2
- 150000001721 carbon Chemical class 0.000 claims description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical group O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 43
- 239000007924 injection Substances 0.000 description 43
- 230000015572 biosynthetic process Effects 0.000 description 29
- 125000001424 substituent group Chemical group 0.000 description 22
- 238000003786 synthesis reaction Methods 0.000 description 21
- 238000001771 vacuum deposition Methods 0.000 description 16
- 230000005525 hole transport Effects 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 13
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 238000000921 elemental analysis Methods 0.000 description 12
- 125000001624 naphthyl group Chemical group 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 9
- 238000004528 spin coating Methods 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 239000000872 buffer Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 7
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 6
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 150000007857 hydrazones Chemical class 0.000 description 6
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 6
- JGAVTCVHDMOQTJ-UHFFFAOYSA-N (4-carbazol-9-ylphenyl)boronic acid Chemical compound C1=CC(B(O)O)=CC=C1N1C2=CC=CC=C2C2=CC=CC=C21 JGAVTCVHDMOQTJ-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 125000001725 pyrenyl group Chemical group 0.000 description 5
- 125000000542 sulfonic acid group Chemical group 0.000 description 5
- 230000032258 transport Effects 0.000 description 5
- 101100030361 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pph-3 gene Proteins 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 125000003342 alkenyl group Chemical group 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 125000005110 aryl thio group Chemical group 0.000 description 4
- 125000004104 aryloxy group Chemical group 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 238000004440 column chromatography Methods 0.000 description 4
- 229940125904 compound 1 Drugs 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 4
- 235000015320 potassium carbonate Nutrition 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 description 3
- QBWKPGNFQQJGFY-QLFBSQMISA-N 3-[(1r)-1-[(2r,6s)-2,6-dimethylmorpholin-4-yl]ethyl]-n-[6-methyl-3-(1h-pyrazol-4-yl)imidazo[1,2-a]pyrazin-8-yl]-1,2-thiazol-5-amine Chemical compound N1([C@H](C)C2=NSC(NC=3C4=NC=C(N4C=C(C)N=3)C3=CNN=C3)=C2)C[C@H](C)O[C@H](C)C1 QBWKPGNFQQJGFY-QLFBSQMISA-N 0.000 description 3
- MAGFQRLKWCCTQJ-UHFFFAOYSA-M 4-ethenylbenzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=C(C=C)C=C1 MAGFQRLKWCCTQJ-UHFFFAOYSA-M 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- 125000006267 biphenyl group Chemical group 0.000 description 3
- 229940125846 compound 25 Drugs 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 3
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 3
- 229920000767 polyaniline Polymers 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000004076 pyridyl group Chemical group 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 description 2
- IWZSHWBGHQBIML-ZGGLMWTQSA-N (3S,8S,10R,13S,14S,17S)-17-isoquinolin-7-yl-N,N,10,13-tetramethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-amine Chemical compound CN(C)[C@H]1CC[C@]2(C)C3CC[C@@]4(C)[C@@H](CC[C@@H]4c4ccc5ccncc5c4)[C@@H]3CC=C2C1 IWZSHWBGHQBIML-ZGGLMWTQSA-N 0.000 description 2
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 description 2
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 description 2
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 description 2
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 2
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical group C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 2
- OBAJPWYDYFEBTF-UHFFFAOYSA-N 2-tert-butyl-9,10-dinaphthalen-2-ylanthracene Chemical compound C1=CC=CC2=CC(C3=C4C=CC=CC4=C(C=4C=C5C=CC=CC5=CC=4)C4=CC=C(C=C43)C(C)(C)C)=CC=C21 OBAJPWYDYFEBTF-UHFFFAOYSA-N 0.000 description 2
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 description 2
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229940126657 Compound 17 Drugs 0.000 description 2
- UEXCJVNBTNXOEH-UHFFFAOYSA-N Ethynylbenzene Chemical group C#CC1=CC=CC=C1 UEXCJVNBTNXOEH-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 2
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- LJOOWESTVASNOG-UFJKPHDISA-N [(1s,3r,4ar,7s,8s,8as)-3-hydroxy-8-[2-[(4r)-4-hydroxy-6-oxooxan-2-yl]ethyl]-7-methyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl] (2s)-2-methylbutanoate Chemical compound C([C@H]1[C@@H](C)C=C[C@H]2C[C@@H](O)C[C@@H]([C@H]12)OC(=O)[C@@H](C)CC)CC1C[C@@H](O)CC(=O)O1 LJOOWESTVASNOG-UFJKPHDISA-N 0.000 description 2
- LNUFLCYMSVYYNW-ZPJMAFJPSA-N [(2r,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6r)-6-[(2r,3r,4s,5r,6r)-6-[(2r,3r,4s,5r,6r)-6-[[(3s,5s,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-3-yl]oxy]-4,5-disulfo Chemical compound O([C@@H]1[C@@H](COS(O)(=O)=O)O[C@@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1[C@@H](COS(O)(=O)=O)O[C@@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1[C@@H](COS(O)(=O)=O)O[C@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1C[C@@H]2CC[C@H]3[C@@H]4CC[C@@H]([C@]4(CC[C@@H]3[C@@]2(C)CC1)C)[C@H](C)CCCC(C)C)[C@H]1O[C@H](COS(O)(=O)=O)[C@@H](OS(O)(=O)=O)[C@H](OS(O)(=O)=O)[C@H]1OS(O)(=O)=O LNUFLCYMSVYYNW-ZPJMAFJPSA-N 0.000 description 2
- JHYLKGDXMUDNEO-UHFFFAOYSA-N [Mg].[In] Chemical compound [Mg].[In] JHYLKGDXMUDNEO-UHFFFAOYSA-N 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000000732 arylene group Chemical group 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 2
- 229940127204 compound 29 Drugs 0.000 description 2
- JNGZXGGOCLZBFB-IVCQMTBJSA-N compound E Chemical compound N([C@@H](C)C(=O)N[C@@H]1C(N(C)C2=CC=CC=C2C(C=2C=CC=CC=2)=N1)=O)C(=O)CC1=CC(F)=CC(F)=C1 JNGZXGGOCLZBFB-IVCQMTBJSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- GOXNHPQCCUVWRO-UHFFFAOYSA-N dibenzothiophen-4-ylboronic acid Chemical compound C12=CC=CC=C2SC2=C1C=CC=C2B(O)O GOXNHPQCCUVWRO-UHFFFAOYSA-N 0.000 description 2
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- IMKMFBIYHXBKRX-UHFFFAOYSA-M lithium;quinoline-2-carboxylate Chemical compound [Li+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IMKMFBIYHXBKRX-UHFFFAOYSA-M 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000004957 naphthylene group Chemical group 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 125000005560 phenanthrenylene group Chemical group 0.000 description 2
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 125000005548 pyrenylene group Chemical group 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 125000000547 substituted alkyl group Chemical group 0.000 description 2
- PCCVSPMFGIFTHU-UHFFFAOYSA-N tetracyanoquinodimethane Chemical compound N#CC(C#N)=C1C=CC(=C(C#N)C#N)C=C1 PCCVSPMFGIFTHU-UHFFFAOYSA-N 0.000 description 2
- XPTANWDBCGDXNK-UHFFFAOYSA-N (11,11-dimethyl-5-phenylindeno[1,2-b]carbazol-2-yl)boronic acid Chemical compound C12=CC=C(B(O)O)C=C2C=2C=C3C(C)(C)C4=CC=CC=C4C3=CC=2N1C1=CC=CC=C1 XPTANWDBCGDXNK-UHFFFAOYSA-N 0.000 description 1
- BSNZNWMNMFUZAL-UHFFFAOYSA-N (2-triphenylsilylphenyl)boronic acid Chemical compound C1(=CC=CC=C1)[Si](C1=CC=CC=C1)(C1=CC=CC=C1)C1=C(C=CC=C1)B(O)O BSNZNWMNMFUZAL-UHFFFAOYSA-N 0.000 description 1
- IDQUIFLAFFZYEX-UHFFFAOYSA-N (3-carbazol-9-ylphenyl)boronic acid Chemical compound OB(O)C1=CC=CC(N2C3=CC=CC=C3C3=CC=CC=C32)=C1 IDQUIFLAFFZYEX-UHFFFAOYSA-N 0.000 description 1
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 description 1
- 125000006818 (C3-C60) cycloalkyl group Chemical group 0.000 description 1
- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 description 1
- 229940005561 1,4-benzoquinone Drugs 0.000 description 1
- ONBQEOIKXPHGMB-VBSBHUPXSA-N 1-[2-[(2s,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-4,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)propan-1-one Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1OC1=CC(O)=CC(O)=C1C(=O)CCC1=CC=C(O)C=C1 ONBQEOIKXPHGMB-VBSBHUPXSA-N 0.000 description 1
- MCZUXEWWARACSP-UHFFFAOYSA-N 1-ethynylnaphthalene Chemical group C1=CC=C2C(C#C)=CC=CC2=C1 MCZUXEWWARACSP-UHFFFAOYSA-N 0.000 description 1
- IYZMXHQDXZKNCY-UHFFFAOYSA-N 1-n,1-n-diphenyl-4-n,4-n-bis[4-(n-phenylanilino)phenyl]benzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 IYZMXHQDXZKNCY-UHFFFAOYSA-N 0.000 description 1
- SPDPTFAJSFKAMT-UHFFFAOYSA-N 1-n-[4-[4-(n-[4-(3-methyl-n-(3-methylphenyl)anilino)phenyl]anilino)phenyl]phenyl]-4-n,4-n-bis(3-methylphenyl)-1-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)=C1 SPDPTFAJSFKAMT-UHFFFAOYSA-N 0.000 description 1
- GEQBRULPNIVQPP-UHFFFAOYSA-N 2-[3,5-bis(1-phenylbenzimidazol-2-yl)phenyl]-1-phenylbenzimidazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2N=C1C1=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=C1 GEQBRULPNIVQPP-UHFFFAOYSA-N 0.000 description 1
- 125000004198 2-fluorophenyl group Chemical group [H]C1=C([H])C(F)=C(*)C([H])=C1[H] 0.000 description 1
- WLPATYNQCGVFFH-UHFFFAOYSA-N 2-phenylbenzonitrile Chemical group N#CC1=CC=CC=C1C1=CC=CC=C1 WLPATYNQCGVFFH-UHFFFAOYSA-N 0.000 description 1
- PPWNCLVNXGCGAF-UHFFFAOYSA-N 3,3-dimethylbut-1-yne Chemical group CC(C)(C)C#C PPWNCLVNXGCGAF-UHFFFAOYSA-N 0.000 description 1
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Abstract
상기 제 1 전극 및 제 2 전극 사이에 개재된 유기층; 및
상기 제 1 전극 또는 제 2 전극 상에 광효율 개선층을 구비한 유기 발광 소자로서,
상기 광효율 개선층이 화학식 1로 표시되는 헤테로고리 화합물을 포함하는 유기 발광 소자에 관한 것이다:
상기 화학식 1에 대한 설명은 발명의 상세한 설명을 참조한다.
Description
도 2는 실시예 1, 2 및 비교예 1의 유기 발광 소자의 효율을 나타내는 도면이다.
| 화합물 | 구동전압 (V) | 발광효율 (cd/A) | |
| 실시예 1 | 화합물1 | 4.3 | 4.6 |
| 실시예 2 | 화합물 4 | 4.3 | 4.8 |
| 비교예 1 | Alq3 | 4.3 | 4.3 |
Claims (20)
- 제 1 전극;
제 2 전극;
상기 제 1 전극 및 제 2 전극 사이에 개재된 유기층; 및
상기 제 1 전극 또는 제 2 전극 상에 광효율 개선층을 구비한 유기 발광 소자로서,
상기 광효율 개선층이 하기 화학식 1로 표시되는 헤테로고리 화합물을 포함하는 유기 발광 소자:
<화학식 1>
상기 식 중, R1 내지 R4는 각각 독립적으로 수소, 중수소, 치환 또는 비치환된 탄소수 5 내지 60의 알킬기, 치환 또는 비치환된 탄소수 5 내지 60의 아릴기, 또는 치환 또는 비치환된 탄소수 6 내지 60의 축합다환기를 나타내고,
L1 및 L2는 각각 독립적으로 단일결합, 치환 또는 비치환된 탄소수 5 내지 60의 아릴기, 치환 또는 비치환된 탄소수 3 내지 60의 헤테로아릴기, 또는 치환 또는 비치환된 탄소수 6 내지 60의 축합다환기를 나타내고,
Ar1 및 Ar2는 각각 독립적으로 치환 또는 비치환된 탄소수 5 내지 60의 아릴기, 치환 또는 비치환된 탄소수 3 내지 60의 헤테로아릴기, 또는 치환 또는 비치환된 탄소수 6 내지 60의 축합다환기를 나타내며,
A, B, C 및 D는 각각 독립적으로 -C= 또는 -N=을 나타내고,
A, B, C 및 D가 동시에 -C=인 경우는 제외하며,
m 및 n은 각각 독립적으로 0 내지 3의 정수를 나타내며,
m 및 n이 동시에 0인 경우는 제외한다. - 제 1 항에 있어서,
상기 화학식 1 식 중, R1 내지 R4는 각각 독립적으로 수소, 중수소인 유기 발광 소자. - 제 1 항에 있어서,
상기 화학식 1 식 중, L1 및 L2는 각각 독립적으로 단일결합, 또는 하기 화학식 2a 내지 2c인 유기 발광 소자:
상기 화학식에서, Q1은 -CR30R31-을 나타내며,
R30 및 R31은 서로 독립적으로, 수소 원자, 중수소, 치환 또는 비치환된 탄소수 1 내지 20의 알킬기, 치환 또는 비치환된 탄소수 5 내지 20의 아릴기, 치환 또는 비치환된 탄소수 3 내지 20의 헤테로아릴기, 치환 또는 비치환된 탄소수 6 내지 20의 축합 다환기, 할로겐기, 시아노기, 니트로기, 하이드록시기 또는 카르복시기이고,
*은 결합을 나타낸다. - 제 1 항에 있어서,
상기 화학식 1 식 중, Ar1 및 Ar2는 각각 독립적으로 하기 화학식 3a 내지 3j인 유기 발광 소자:
상기 화학식 중,
Q2 내지 Q5는 각각 독립적으로 -CR30R31-, -NR32-, -S- 또는 -O-을 나타내며,
Z1, Z2, R30, R31 및 R32은 서로 독립적으로 수소 원자, 중수소, 치환 또는 비치환된 탄소수 1 내지 20의 알킬기, 치환 또는 비치환된 탄소수 5 내지 20의 아릴기, 치환 또는 비치환된 탄소수 3 내지 20의 헤테로아릴기, 치환 또는 비치환된 탄소수 6 내지 20의 축합 다환기, 탄소수 5 내지 20의 아릴기 또는 탄소수 3 내지 20의 헤테로아릴기로 치환된 아미노기, 할로겐기, 시아노기, 니트로기, 하이드록시기, -Si(R40)3, 또는 카르복시기이고;
R40은 치환 또는 비치환된 탄소수 1 내지 20의 알킬기, 치환 또는 비치환된 탄소수 5 내지 20의 아릴기, 치환 또는 비치환된 탄소수 3 내지 20의 헤테로아릴기, 또는 치환 또는 비치환된 탄소수 6 내지 20의 축합 다환기이고,
Y1,Y2 및 Y3은 각각 독립적으로 -CH= 또는 -N=이고;
p는 1 내지 9의 정수이고;
*는 결합을 나타낸다. - 제 1 항에 있어서,
상기 화학식 1 식 중, A 및 D는 모두 -N=이고, B 및 C는 모두 -CH=인 유기 발광 소자. - 제 1 항에 있어서,
상기 유기 발광 소자가 발광층, 전자 주입층, 전자 수송층, 전자 주입 및 전자 수송기능을 동시에 갖는 기능층, 정공 주입층, 정공 수송층, 또는 정공 주입 및 정공 수송기능을 동시에 갖는 기능층을 포함하고,
상기 발광층은 안트라센계 화합물, 아릴아민계 화합물 또는 스티릴계 화합물을 포함하는 유기 발광 소자. - 제 1 항에 있어서,
상기 유기 발광 소자가 발광층, 전자 주입층, 전자 수송층, 전자 주입 및 전자 수송기능을 동시에 갖는 기능층, 정공 주입층, 정공 수송층, 또는 정공 주입 및 정공 수송기능을 동시에 갖는 기능층을 포함하고,
상기 발광층의 적색층, 녹색층, 청색층 또는 흰색층의 어느 한 층은 인광 화합물을 포함하는 유기 발광 소자. - 제 8 항에 있어서,
상기 정공 주입층, 정공 수송층, 또는 정공 주입 기능 및 정공 수송 기능을 동시에 갖는 기능층이 전하 생성 물질을 포함하는 유기 발광 소자. - 제 9 항에 있어서,
상기 전하 생성 물질이 p-도펀트인 유기 발광 소자 - 제 10 항에 있어서,
상기 p-도펀트가 퀴논 유도체인 유기 발광 소자. - 제 10 항에 있어서,
상기 p-도펀트가 금속 산화물인 유기 발광 소자. - 제 12 항에 있어서,
상기 금속 산화물이 텅스텐 산화물, 또는 몰리브덴 산화물인 유기 발광 소자. - 제 10 항에 있어서,
상기 p-도펀트가 시아노기-함유 화합물인 유기 발광 소자. - 제 1 항에 있어서,
상기 유기층이 전자 수송층을 포함하고, 상기 전자 수송층이 금속 착체를 포함하는 유기 발광 소자. - 제 16 항에 있어서,
상기 금속 착체가 Li 착제인 유기 발광 소자. - 제 1 항에 있어서,
상기 유기층이 상기 유기층에 포함되는 화합물을 사용하여 습식 공정으로 형성되는 유기 발광 소자. - 제 1 항의 유기 발광 소자를 구비하고, 상기 유기 발광 소자의 제 1 전극이 박막 트랜지스터의 소스 전극 또는 드레인 전극과 전기적으로 연결된 평판 표시 장치.
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