TWI527875B - 新穎有機電場發光化合物及使用該化合物之有機電場發光裝置 - Google Patents
新穎有機電場發光化合物及使用該化合物之有機電場發光裝置 Download PDFInfo
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- TWI527875B TWI527875B TW099126564A TW99126564A TWI527875B TW I527875 B TWI527875 B TW I527875B TW 099126564 A TW099126564 A TW 099126564A TW 99126564 A TW99126564 A TW 99126564A TW I527875 B TWI527875 B TW I527875B
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- aryl
- alkyl
- halogen
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- 150000001875 compounds Chemical class 0.000 title claims description 100
- 125000001424 substituent group Chemical group 0.000 claims description 107
- 125000003118 aryl group Chemical group 0.000 claims description 86
- 239000010410 layer Substances 0.000 claims description 45
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 claims description 37
- 125000001072 heteroaryl group Chemical group 0.000 claims description 31
- 230000005684 electric field Effects 0.000 claims description 30
- 150000002367 halogens Chemical class 0.000 claims description 26
- -1 cyano, carbazolyl Chemical group 0.000 claims description 22
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 22
- 229910052736 halogen Inorganic materials 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 17
- 125000003545 alkoxy group Chemical group 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 15
- 239000012044 organic layer Substances 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 125000002950 monocyclic group Chemical group 0.000 claims description 10
- 125000000739 C2-C30 alkenyl group Chemical group 0.000 claims description 9
- 125000003342 alkenyl group Chemical group 0.000 claims description 9
- 125000000304 alkynyl group Chemical group 0.000 claims description 8
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine group Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 8
- 125000004104 aryloxy group Chemical group 0.000 claims description 7
- 125000003367 polycyclic group Chemical group 0.000 claims description 7
- 125000002723 alicyclic group Chemical group 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 125000005110 aryl thio group Chemical group 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 4
- 239000007983 Tris buffer Substances 0.000 claims description 4
- 125000005194 alkoxycarbonyloxy group Chemical group 0.000 claims description 4
- 125000003282 alkyl amino group Chemical group 0.000 claims description 4
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 4
- 125000004414 alkyl thio group Chemical group 0.000 claims description 4
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 125000005129 aryl carbonyl group Chemical group 0.000 claims description 4
- 125000005199 aryl carbonyloxy group Chemical group 0.000 claims description 4
- 125000005161 aryl oxy carbonyl group Chemical group 0.000 claims description 4
- 125000005200 aryloxy carbonyloxy group Chemical group 0.000 claims description 4
- 229910052805 deuterium Inorganic materials 0.000 claims description 4
- 125000005842 heteroatom Chemical group 0.000 claims description 4
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 3
- 125000005196 alkyl carbonyloxy group Chemical group 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 2
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 claims description 2
- 150000004982 aromatic amines Chemical class 0.000 claims description 2
- 125000001769 aryl amino group Chemical group 0.000 claims description 2
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- 150000001345 alkine derivatives Chemical class 0.000 claims 1
- 125000002524 organometallic group Chemical group 0.000 claims 1
- 150000003624 transition metals Chemical class 0.000 claims 1
- 238000002360 preparation method Methods 0.000 description 42
- 239000000463 material Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 14
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- ZEEBGORNQSEQBE-UHFFFAOYSA-N [2-(3-phenylphenoxy)-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound C1(=CC(=CC=C1)OC1=NC(=CC(=C1)CN)C(F)(F)F)C1=CC=CC=C1 ZEEBGORNQSEQBE-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical group 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 5
- SPXSEZMVRJLHQG-XMMPIXPASA-N [(2R)-1-[[4-[(3-phenylmethoxyphenoxy)methyl]phenyl]methyl]pyrrolidin-2-yl]methanol Chemical compound C(C1=CC=CC=C1)OC=1C=C(OCC2=CC=C(CN3[C@H](CCC3)CO)C=C2)C=CC=1 SPXSEZMVRJLHQG-XMMPIXPASA-N 0.000 description 5
- 229940127271 compound 49 Drugs 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- ABRVLXLNVJHDRQ-UHFFFAOYSA-N [2-pyridin-3-yl-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound FC(C1=CC(=CC(=N1)C=1C=NC=CC=1)CN)(F)F ABRVLXLNVJHDRQ-UHFFFAOYSA-N 0.000 description 4
- 239000004305 biphenyl Substances 0.000 description 4
- 229940125904 compound 1 Drugs 0.000 description 4
- 230000005525 hole transport Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 150000002923 oximes Chemical class 0.000 description 4
- 125000004076 pyridyl group Chemical group 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- VIJSPAIQWVPKQZ-BLECARSGSA-N (2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-4,4-dimethylpentanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid Chemical compound NC(=N)NCCC[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(C)=O VIJSPAIQWVPKQZ-BLECARSGSA-N 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 3
- KKHFRAFPESRGGD-UHFFFAOYSA-N 1,3-dimethyl-7-[3-(n-methylanilino)propyl]purine-2,6-dione Chemical compound C1=NC=2N(C)C(=O)N(C)C(=O)C=2N1CCCN(C)C1=CC=CC=C1 KKHFRAFPESRGGD-UHFFFAOYSA-N 0.000 description 3
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 125000003943 azolyl group Chemical group 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 3
- 125000002541 furyl group Chemical group 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- 229910001507 metal halide Inorganic materials 0.000 description 3
- 150000005309 metal halides Chemical class 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 125000002971 oxazolyl group Chemical group 0.000 description 3
- 125000005561 phenanthryl group Chemical group 0.000 description 3
- 125000000714 pyrimidinyl group Chemical group 0.000 description 3
- 125000005493 quinolyl group Chemical group 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 125000001544 thienyl group Chemical group 0.000 description 3
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 150000001204 N-oxides Chemical class 0.000 description 2
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000001786 chalcogen compounds Chemical class 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 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
- 125000002757 morpholinyl group Chemical group 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 150000003839 salts Chemical group 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- JWZZKOKVBUJMES-UHFFFAOYSA-N (+-)-Isoprenaline Chemical compound CC(C)NCC(O)C1=CC=C(O)C(O)=C1 JWZZKOKVBUJMES-UHFFFAOYSA-N 0.000 description 1
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 1
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 1
- 125000006654 (C3-C12) heteroaryl group Chemical group 0.000 description 1
- 125000006651 (C3-C20) cycloalkyl group Chemical group 0.000 description 1
- 125000006272 (C3-C7) cycloalkyl group Chemical group 0.000 description 1
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 1
- JSRLURSZEMLAFO-UHFFFAOYSA-N 1,3-dibromobenzene Chemical compound BrC1=CC=CC(Br)=C1 JSRLURSZEMLAFO-UHFFFAOYSA-N 0.000 description 1
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-UHFFFAOYSA-N 0.000 description 1
- DPVIABCMTHHTGB-UHFFFAOYSA-N 2,4,6-trichloropyrimidine Chemical compound ClC1=CC(Cl)=NC(Cl)=N1 DPVIABCMTHHTGB-UHFFFAOYSA-N 0.000 description 1
- CRJISNQTZDMKQD-UHFFFAOYSA-N 2-bromodibenzofuran Chemical compound C1=CC=C2C3=CC(Br)=CC=C3OC2=C1 CRJISNQTZDMKQD-UHFFFAOYSA-N 0.000 description 1
- IJICRIUYZZESMW-UHFFFAOYSA-N 2-bromodibenzothiophene Chemical compound C1=CC=C2C3=CC(Br)=CC=C3SC2=C1 IJICRIUYZZESMW-UHFFFAOYSA-N 0.000 description 1
- OKDGRDCXVWSXDC-UHFFFAOYSA-N 2-chloropyridine Chemical compound ClC1=CC=CC=N1 OKDGRDCXVWSXDC-UHFFFAOYSA-N 0.000 description 1
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- GWTCYEKJBUXRTD-UHFFFAOYSA-N 9h-carbazole-1-carbonitrile Chemical compound C12=CC=CC=C2NC2=C1C=CC=C2C#N GWTCYEKJBUXRTD-UHFFFAOYSA-N 0.000 description 1
- OQLZINXFSUDMHM-UHFFFAOYSA-N Acetamidine Chemical compound CC(N)=N OQLZINXFSUDMHM-UHFFFAOYSA-N 0.000 description 1
- 229910017107 AlOx Inorganic materials 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 125000006374 C2-C10 alkenyl group Chemical group 0.000 description 1
- KCBAMQOKOLXLOX-BSZYMOERSA-N CC1=C(SC=N1)C2=CC=C(C=C2)[C@H](C)NC(=O)[C@@H]3C[C@H](CN3C(=O)[C@H](C(C)(C)C)NC(=O)CCCCCCCCCCNCCCONC(=O)C4=C(C(=C(C=C4)F)F)NC5=C(C=C(C=C5)I)F)O Chemical compound CC1=C(SC=N1)C2=CC=C(C=C2)[C@H](C)NC(=O)[C@@H]3C[C@H](CN3C(=O)[C@H](C(C)(C)C)NC(=O)CCCCCCCCCCNCCCONC(=O)C4=C(C(=C(C=C4)F)F)NC5=C(C=C(C=C5)I)F)O KCBAMQOKOLXLOX-BSZYMOERSA-N 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- LCTONWCANYUPML-UHFFFAOYSA-M Pyruvate Chemical compound CC(=O)C([O-])=O LCTONWCANYUPML-UHFFFAOYSA-M 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 239000012327 Ruthenium complex Substances 0.000 description 1
- 229910003564 SiAlON Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
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- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- YCOXTKKNXUZSKD-UHFFFAOYSA-N as-o-xylenol Natural products CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000004604 benzisothiazolyl group Chemical group S1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000002047 benzodioxolyl group Chemical group O1OC(C2=C1C=CC=C2)* 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000005874 benzothiadiazolyl group Chemical group 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 150000001602 bicycloalkyls Chemical group 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
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- 229940125833 compound 23 Drugs 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 125000002720 diazolyl group Chemical group 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- MHYCRLGKOZWVEF-UHFFFAOYSA-N ethyl acetate;hydrate Chemical compound O.CCOC(C)=O MHYCRLGKOZWVEF-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- OJCSPXHYDFONPU-UHFFFAOYSA-N etoac etoac Chemical compound CCOC(C)=O.CCOC(C)=O OJCSPXHYDFONPU-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
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- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 1
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- 230000009477 glass transition Effects 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 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 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- SNHMUERNLJLMHN-UHFFFAOYSA-N iodobenzene Chemical compound IC1=CC=CC=C1 SNHMUERNLJLMHN-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 125000004620 quinolinyl-N-oxide group Chemical group 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000002061 vacuum sublimation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Description
本發明係關於新穎有機電場發光(electroluminescent,EL)化合物及使用該化合物之有機電場發光裝置。本發明之有機電場發光化合物係以化學式1表示:
一般而言,有機EL裝置通常具有陽極/電洞注入層(HIL)/電洞傳輸層(HTL)/發光材料層(EML)/電子傳輸層(ETL)/電子注入層(EIL)/陰極之構形。取決於如何形成發光材料層可實現發出藍色、綠色或紅色光(後文中有稱為藍光、綠光、紅光之情形)之有機電場發光裝置。
目前,4,4’-雙(咔唑-9-基)聯苯(CBP)係最廣為人知的磷光發光材料之主體材料。已報導使用電洞阻擋層之高效率OLED,該電洞阻擋層包括2,9-二甲基-4,7-聯苯基-1,10-啡啉(BCP)、雙(2-甲基-8-羥基喹啉基(對-苯基-酚基))鋁(III)(Bis(2-methyl-8-quinolinato)(p-phenyl-phenolato)aluminum(III),BAlq)等。先鋒(Pioneer)(日本)及其他公司已報導使用BAlq衍生物作為主體之高性能OLED。
雖然這些材料具有良好電場發光特徵,但是因為它們具有低玻璃轉化溫度及非常差的熱安定性,因此具有於真空中進行高溫沈積製程期間會降解之缺點。由於OLED之功率效率係定義為“(Π/電壓)×電流效率”,因此功率效率與電壓成反比。需要高功率效率以降低OLED之功率消耗。實際上,使用磷光材料之OLED比使用螢光材料之OLED提供較高的電流效率(燭立/安培(cd/A))。然而,當使用現行材料例如BAlq、CBP等作為磷光材料之主體時,就功率效率(流明/瓦(lm/W))而言,因為具有高驅動電壓,因此其與使用螢光材料之OLED相比並無顯著優勢。
此外,該OLED裝置並沒有令人滿意的操作壽命。因此,亟需發展更安定及更高性能之主體材料。
因此,本發明之目的係提供比現行主體材料具有更優異之發光效率及裝置操作壽命且具有優異骨架及適當的色坐標之有機電場發光化合物,以解決上述問題。本發明之另一目的係提供使用該有機電場發光化合物作為電場發光材料之高效率且長壽的有機電場發光裝置。
本發明係關於化學式1表示之有機電場發光化合物及使用該化合物之有機電場發光裝置。本發明之有機電場發光化合物具有高發光效率、優異的色純度及材料壽命特性,因此其可用於製造具有極優異操作壽命之OLED。
其中,A1至A19獨立表示CR1或N,X表示-(CR2 R3)1-、-N(R4)-、-S-、-O-、-Si(R5)(R6)-、-P(R7)-、-P(=O)(R8)-或-B(R9)-,以及Ar1表示具有或不具有取代基之(C6-C40)伸芳基或具有或不具有取代基之(C3-C40)伸雜芳基,但排除其中m為0且A15至A19同時為CR1之情況;
R1至R9獨立表示氫、氘、鹵素、具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C6-C30)芳基、與一個或多個具有或不具有取代基之(C3-C30)環烷基稠合之經取代或未經取代之(C6-C30)芳基、具有或不具有取代基之(C3-C30)雜芳基、具有或不具有取代基之5至7員雜環烷基、與一個或多個具有或不具有取代基之芳香環稠合之5至7員雜環烷基、具有或不具有取代基之(C3-C30)環烷基、與一個或多個具有或不具有取代基之芳香環稠合之(C3-C30)環烷基、氰基、三氟甲基、NR21R22、BR23R24、PR25R26、P(=O)R27R28、RaRbRcSi-、RdY-、ReC(=O)-、RfC(=O)O-、具有或不具有取代基之(C6-C30)芳基(C1-C30)烷基、具有或不具有取代基之(C2-C30)烯基、具有或不具有取代基之(C2-C30)炔基、羧基、硝基、或羥基,或者R1至R9可各自經由具有或不具有稠合環之(C3-C30)伸烷基或(C3-C30)伸烯基鍵聯至相鄰取代基,以形成脂環、單環或多環之芳香環、或單環或多環之雜芳香環;W表示-(CR51R52)n-、-(R51)C=C(R52)-、-N(R53)-、-S-、-O-、-Si(R54)(R55)-、-P(R56)-、-P(=O)(R57)-、-C(=O)-或-B(R58)-,以及R51至R58及R61至R63係與R1至R9之定義相同;該雜環烷基或雜芳基可含有一個或多個選自B、N、O、S、P(=O)、Si及P之雜原子;R21至R28獨立表示具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C6-C30)芳基或具有或不具有取代基之(C3-C30)雜芳基;Ra、Rb及Rc獨立表示具有或不具有取代基之(C1-C30)烷基、或具有或不具有取代基之(C6-C30)芳基;Y表示S或O;Rd表示具有或不具有取代基之(C1-C30)烷基、或具有或不具有取代基之(C6-C30)芳基;Re表示具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C1-C30)烷氧基、具有或不具有取代基之(C6-C30)芳基、或具有或不具有取代基之(C6-C30)芳氧基;Rf表示具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C1-C30)烷氧基、具有或不具有取代基之(C6-C30)芳基、或具有或不具有取代基之(C6-C30)芳氧基;m表示0至2之整數;以及l及n表示整數1或2。
於本發明中,‘烷基’、‘烷氧基’及其他含有‘烷基’部分之取代基包括直鏈及分支鏈基團兩種。於本發明中,‘環烷基’包括具有或不具有取代基之金剛烷基及具有或不具有取代基之(C7-C30)雙環烷基兩種。
於本發明中,‘芳基’意指自芳香族烴去除一個氫原子所獲得之有機自由基,且可包括4至7員,特別是5員或6員之單環或稠合環,包括藉由單鍵鍵聯之複數個芳基。具體實例包括,但不限於苯基、萘基、聯苯基、蒽基、茚基、茀基、菲基、聯伸三苯基(triphenylenyl)、芘基、苝基、蒯基、稠四苯基(naphthacenyl)、丙二烯合茀基(fluoranthenyl)等。‘雜芳基’意指含有作為芳香環骨架原子之1至4個選自B、N、O、S、P(=O)、Si及P之雜原子,以及作為剩餘芳香環骨架原子之碳原子之芳基。該雜芳基可為5員或6員單環雜芳基、或與苯環縮合所得之多環雜芳基,並可為部分飽和。此外,該雜芳基包括多於一個藉由化學鍵鍵聯之雜芳基。該雜芳基包括二價芳基,其中於環上之雜原子可經氧化或四級化以形成例如N-氧化物或四級鹽。
具體實例包括,但不限於單環雜芳基,諸如呋喃基、噻吩基、吡咯基、咪唑基、吡唑基、噻唑基、噻二唑基、異噻唑基、異唑基、唑基、二唑基、三基、四基、三唑基、四唑基、呋呫基(furazanyl)基、吡啶基、吡基、嘧啶基、嗒基等;多環雜芳基,諸如苯并呋喃基、苯并噻吩基、異苯并呋喃基、苯并咪唑基、苯并噻唑基、苯并異噻唑基、苯并異唑基、苯并唑基、異吲哚基、吲哚基、吲唑基、苯并噻二唑基、喹啉基、異喹啉基、噌啉基、喹唑啉基、喹基、喹啉基、咔唑基、啡啶基及苯并二氧雜環戊烯基(benzodioxolyl)等;其N-氧化物(例如吡啶基N-氧化物、喹啉基N-氧化物)及其四級鹽等。
本文所述之“(C1-C30)烷基”可包括(C1-C20)烷基或(C1-C10)烷基,且“(C6-C30)芳基”包括(C6-C20)芳基或(C6-C12)芳基。“(C3-C30)雜芳基”包括(C3-C20)雜芳基或(C3-C12)雜芳基,且“(C3-C30)環烷基”包括(C3-C20)環烷基或(C3-C7)環烷基。“(C2-C30)烯基或炔基”包括(C2-C20)烯基或炔基、(C2-C10)烯基或炔基。
於‘具有或不具有取代基’中,該取代基進一步經一個或多個選自下列所組成群組之取代基取代:氘、鹵素、具有或不具有鹵素取代基之(C1-C30)烷基、(C6-C30)芳基、具有或不具有(C6-C30)芳基取代基之(C3-C30)雜芳基、5至7員雜環烷基、與一個或多個芳香環稠合之5至7員雜環烷基、(C3-C30)環烷基、與一個或多個芳香環稠合之(C3-C30)環烷基、三(C1-C30)烷基矽烷基、二(C1-C30)烷基(C6-C30)芳基矽烷基、三(C6-C30)芳基矽烷基、(C2-C30)烯基、(C2-C30)炔基、氰基、咔唑基、NR31R32、BR33R34、PR35R36、P(=O)R37R38、(C6-C30)芳基(C1-C30)烷基、(C1-C30)烷基(C6-C30)芳基、(C1-C30)烷氧基、(C1-C30)烷硫基、(C6-C30)芳氧基、(C6-C30)芳硫基、(C1-C30)烷氧基羰基、(C1-C30)烷基羰基、(C6-C30)芳基羰基、(C6-C30)芳氧基羰基、(C1-C30)烷氧基羰氧基、(C1-C30)烷基羰氧基、(C6-C30)芳基羰氧基、(C6-C30)芳氧基羰氧基、羧基、硝基及羥基;或者該取代基鍵聯至相鄰取代基以形成環,其中,R31至R38獨立表示(C1-C30)烷基、(C6-C30)芳基或(C3-C30)雜芳基。
R1至R9、R21至R28、R51至R58及R61至R63獨立選自,但不限於:氫;氘;鹵素;烷基,如甲基、乙基、丙基、丁基、戊基、己基、乙基己基、庚基、辛基等;芳基,如苯基、萘基、茀基、聯苯基、菲基、聯三苯基(terphenyl)、芘基、苝基、螺二茀基(spirobifluorenyl)、丙二烯合茀基、蒯基、聯伸三苯基等;與一個或多個環烷基稠合之芳基,如1,2-二氫苊基(1,2-dihydroacenaphthyl);雜芳基,如二苯并噻吩基、二苯并呋喃基、咔唑基、吡啶基、呋喃基、噻吩基、喹啉基、三基、嘧啶基、嗒基、喹啉基、啡啉基等;與一個或多個芳香環稠合之雜環烷基,如N-苯并吡咯啶基(benzopyrrolidino)、N-苯并哌啶基(benzopiperidino)、N-二苯并嗎啉基(dibenzomorpholine)、N-二苯并氮呯(dibenzoazepino)等;經芳基取代之胺基,該芳基如苯基、萘基、茀基、聯苯基、菲基、聯三苯基、芘基、苝基、螺二茀基、丙二烯合茀基、蒯基、聯伸三苯基等;經雜芳基取代之胺基,該雜芳基如二苯并噻吩基、二苯并呋喃基、咔唑基、吡啶基、呋喃基、噻吩基、喹啉基、三基、嘧啶基、嗒基、喹啉基、啡啉基等;芳氧基,如聯苯基氧基等;芳硫基,如聯苯基硫基等;芳烷基,如聯苯基甲基、三苯基甲基等;或,且彼等基團可如化學式1所述般進一步經取代。
更具體地,R1至R9可藉由下列結構例示之,但不限於此:
其中,R71至R138獨立表示氫、氘、鹵素、(C1-C30)烷基、(C6-C30)芳基、與一個或多個(C3-C30)環烷基稠合之(C6-C30)芳基、(C3-C30)雜芳基、5至7員雜環烷基、與一個或多個芳香環稠合之5至7員雜環烷基、(C3-C30)環烷基、與一個或多個芳香環稠合之(C3-C30)環烷基、氰基、胺基、(C1-C30)烷基胺基、(C6-C30)芳基胺基、NR41R42、BR43R44、PR45R46、P(=O)R47R48、三(C1-C30)烷基矽烷基、二(C1-C30)烷基(C6-C30)芳基矽烷基、三(C6-C30)芳基矽烷基、(C6-C30)芳基(C1-C30)烷基、(C1-C30)烷氧基、(C1-C30)烷硫基、(C6-C30)芳氧基、(C6-C30)芳硫基、(C1-C30)烷氧基羰基、(C1-C30)烷基羰基、(C6-C30)芳基羰基、(C2-C30)烯基、(C2-C30)炔基、(C6-C30)芳氧基羰基、(C1-C30)烷氧基羰氧基、(C1-C30)烷基羰氧基、(C6-C30)芳基羰氧基、(C6-C30)芳氧基羰氧基、羧基、硝基或羥基;或者R71至R138可各自經由具有或不具有稠合環之(C3-C30)伸烷基或(C3-C30)伸烯基鍵聯至相鄰取代基,以形成脂環、或單環或多環之芳香環,其中,R41至R48獨立表示(C1-C30)烷基、(C6-C30)芳基或(C3-C30)雜芳基。
係以下列結構例示,但不限於此。m係與化學式1之定義相同。
本發明之有機電場發光化合物可以下列化合物具體例示,但不限於此。
本發明之有機電場發光化合物可如下列反應路線1製備。
其中,A1至A19、X、Ar1及m係與化學式1之定義相同。
本發明提供一種有機電場發光裝置,其包含第一電極;第二電極;以及一層或多層插置於該第一電極與該第二電極間之有機層,其中,該有機層包括一種或多種化學式1表示之有機電場發光化合物。該有機電場發光化合物係用作為電場發光層之主體材料。
此外,該有機層可包括電場發光層,且該電場發光層除了包括一種或多種化學式1表示之有機電場發光化合物之外,還可進一步包括一種或多種摻雜劑。應用於本發明之有機電場發光裝置之摻雜劑沒有特別限制。
較佳地,應用於本發明之有機電場發光裝置之摻雜劑係選自下列化學式2:
化學式2
M1L101L102L103
其中,M1係選自第7族、第8族、第9族、第10族、第11族、第13族、第14族、第15族及第16族所組成群組之金屬;且配位子L101、L102及L103係獨立選自下列結構:
其中,R201至R203獨立表示氫、具有或不具有鹵素取代基之(C1-C30)烷基、具有或不具有(C1-C30)烷基取代基之(C6-C30)芳基、或鹵素;R204至R219獨立表示氫、具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C1-C30)烷氧基、具有或不具有取代基之(C3-C30)環烷基、具有或不具有取代基之(C2-C30)烯基、具有或不具有取代基之(C6-C30)芳基、具有或不具有取代基之單-或二-(C1-C30)烷基胺基、具有或不具有取代基之單-或二-(C6-C30)芳基胺基、SF5、具有或不具有取代基之三(C1-C30)烷基矽烷基、具有或不具有取代基之二(C1-C30)烷基(C6-C30)芳基矽烷基、具有或不具有取代基之三(C6-C30)芳基矽烷基、氰基或鹵素;R220至R223獨立表示氫、具有或不具有鹵素取代基之(C1-C30)烷基或具有或不具有(C1-C30)烷基取代基之(C6-C30)芳基;R224與R225獨立表示氫、具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C6-C30)芳基、或鹵素,或者R224與R225可經由具有或不具有稠合環之(C3-C12)伸烷基或(C3-C12)伸烯基相鍵聯,以形成脂環、或單環或多環之芳香環;R226表示具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C6-C30)芳基、具有或不具有取代基之(C5-C30)雜芳基、或鹵素;R227至R229獨立表示氫、具有或不具有取代基之(C1-C30)烷基、具有或不具有取代基之(C6-C30)芳基、或鹵素;以及Q表示或,其中,R231至R242獨立表示氫、具有或不具有鹵素取代基之(C1-C30)烷基、(C1-C30)烷氧基、鹵素、具有或不具有取代基之(C6-C30)芳基、氰基或具有或不具有取代基之(C5-C30)環烷基,或者R231至R242可各自經由伸烷基或伸烯基鍵聯至相鄰取代基以形成螺環或稠合環,或者R231至R242可各自經由伸烷基或伸烯基鍵聯至R207或R208以形成飽和或不飽和之稠合環。
電場發光層係指其中作用為發光之層,其可為單層或多層,該多層係由兩層或更多層層積而成。當依本發明之組成,使用主體-摻雜劑之混合物時,可證實因本發明之電場發光主體而顯著改善的發光效率。彼等組成可以0.5至10重量%之摻雜濃度實現。與其他主體材料相比,本發明之電場發光主體具有較高的電洞及電子傳導性以及優異之材料安定性,藉此呈現顯著提高其壽命及改善其發光效率之特徵。
M1係選自下列所組成之群組:Ir、Pt、Pd、Rh、Re、Os、Tl、Pb、Bi、In、Sn、Sb、Te、Au及Ag。化學式2表示之摻雜劑化合物係由揭示於第10-2008-0112855號韓國專利申請案例示,但不限於此。
於本發明之有機電子裝置中,該有機層除了包括化學式1表示之有機電場發光化合物之外,且同時可復包括一種或多種選自芳基胺化合物及苯乙烯基芳基胺化合物所組成群組之化合物。該等芳基胺化合物或苯乙烯基芳基胺化合物係由第10-2008-0123276號、第10-2008-0107606號及第10-2008-0118428號韓國專利申請案例示,但不限於此。
此外,於本發明之有機電場裝置中,該有機層除了包括化學式1表示之有機電場發光化合物之外,還可進一步包括一種或多種選自下列所組成群組之金屬:第1族之有機金屬、第2族、第4週期與第5週期之過渡金屬、鑭系金屬及d-過渡元素;或錯合物化合物。該有機層可包括電場發光層及電荷產生層。
此外,該有機層除了包括化學式1表示之有機電場發光化合物之外,還可包括一層或多層同時發出藍光、綠光或紅光之有機電場發光層,以形成發出白光之有機電場發光裝置。該等發出藍光、綠光或紅光之化合物係由揭示於第10-2008-0123276號、第10-2008-0107606號及第10-2008-0118428號韓國專利申請案例示,但不限於此。
於本發明之有機電場發光裝置中,可將選自硫屬元素化合物(chalcogenide)層、金屬鹵化物層及金屬氧化物層之層體(後文中稱為「表面層」)設置於該電極對中之一個或兩個電極的內表面上。更具體地,可將矽或鋁之硫屬元素化合物(包括氧化物)層設置於該電場發光介質層之陽極表面上,並可將金屬鹵化物層或金屬氧化物層設置於該電場發光介質層之陰極表面上。藉此,可得到操作安定性。
硫屬元素化合物可為,例如,SiOx(1≦x≦2)、AlOx(1≦x≦1.5)、SiON、SiAlON等。金屬鹵化物可為,例如,LiF、MgF2、CaF2、稀土金屬之氟化物等。金屬氧化物可為,例如,Cs2O、Li2O、MgO、SrO、BaO、CaO等。
於本發明之有機電場發光裝置中,亦較佳者為將電子傳輸化合物與還原性摻雜劑之混合區域、或電洞傳輸化合物與氧化性摻雜劑之混合區域設置於前述所製造之電極對的至少一個表面上。於該情況下,由於電子傳輸化合物被還原成陰離子,因而促使電子自混合區域注入及傳輸至電場發光介質。此外,由於電洞傳輸化合物被氧化而形成陽離子,因此促使電洞自混合區域注入及傳輸至電場發光介質。較佳的氧化性摻雜劑包括各種路易士酸及接受者化合物(acceptor compound)。較佳的還原性摻雜劑包括鹼金屬、鹼金屬化合物、鹼土金屬、稀土金屬及其混合物。
此外,具有兩層或更多層電場發光層之發出白光之電場發光裝置可藉由將還原性摻雜劑層作為電荷產生層而製造。
由於本發明之有機電場發光化合物具良好發光效率及優異壽命特性,因此其可用於製造具有極佳操作壽命之OLED裝置。
本發明係藉由參照相關於本發明之有機電場發光化合物、製備該化合物之方法、以及使用該化合物之裝置之發光特性而進一步說明。然而,下列實施例僅提供用於說明而非意欲限制本發明之範圍。
加入9H-咔唑(10公克(g),41.10毫莫耳(mmol))、2-氯吡啶(5.60 g,49.32 mmol)、Pd(OAc)2(0.46 g)、NaOt-bu(7.9 g,82.20 mmol)、甲苯(100毫升(mL))、P(t-bu)3(2 mL,4.11 mmol,50%於甲苯中)並於回流下攪拌。10小時後,將混合物冷卻至室溫並添加蒸餾水。以EA萃取並以MgSO4乾燥,於減壓下進行乾燥。經管柱分離,獲得化合物1-1(8.3 g,33.98 mmol,83%)。
將化合物1-1(8.3 g,33.98 mmol)填充入形成真空並充滿氬氣之單頸燒瓶中。添加四氫呋喃(500 mL)之後,於0℃攪拌混合物10分鐘。於其內添加NBS(7.35 g,40.78 mmol)並於室溫下攪拌1天。反應完成時以蒸餾水及EA萃取產物。以MgSO4乾燥有機層並藉由旋轉型蒸發器去除溶劑之後,使用己烷及EA作為展開溶劑(developing solvent)經由管柱層析法,獲得化合物1-2(8.5 g,26.30 mmol,77%)。
將化合物1-2(8.5 g,26.30 mmol)填充入形成真空並充滿氬氣之單頸燒瓶中。添加四氫呋喃(500 mL)之後,於78℃攪拌混合物10分鐘。滴加n-BuLi(2.5M於己烷中)(15.8 mL,39.45 mol)並於-78℃攪拌1.5小時。於-78℃添加三甲基硼酸鹽(4.85 mL,39.45 mmol)。於-78℃攪拌該混合物30分鐘並於室溫下攪拌4小時。反應完成時以蒸餾水及EA萃取產物。以MgSO4乾燥有機層並藉由旋轉型蒸發器去除溶劑之後,使用己烷及EA作為展開溶劑經由管柱層析法,獲得化合物1-3(5.2 g,18.05 mmol,68.6%)。
添加化合物1-3(5.0 g,17.4 mmol)、2-溴二苯并[b,d]呋喃(5.2 g,20.88 mmol)、Pd(PPh3)4(0.8 g,0.7 mmol)、2M K2CO3水溶液(20 mL)、甲苯(100 mL)及乙醇(50 mL)並於回流下攪拌12小時。以蒸餾水洗滌、以EA萃取、並以MgSO4乾燥之後,於减壓下蒸餾,再經由管柱分離,獲得化合物1(4.3 g,10.48 mmol,60%)。
添加2,4,6-三氯嘧啶(10 g,54.51 mmol)、苯基硼酸(16.6 g,136.29 mmol)、Pd(PPh3)4(3.15 g,2.72 mmol)、2M K2CO3(50 mL)、甲苯(100 mL)及乙醇(30 mL)並於回流下攪拌。4小時後,將混合物冷卻至室溫並於其內添加蒸餾水。以EA萃取並以MgSO4乾燥之後,於减壓下蒸餾,再經由管柱分離,獲得化合物2-1(7 g,26.24 mmol,48.14%)。
將NaH(1.57 g,39.36 mmol,60%於礦物油中)與DMF(70 mL)混合,並將化合物2-1(7 g,26.24 mmol)溶於DMF(60 mL)中。1小時後,將化合物9H-咔唑溶於DMF(70 mL)中。攪拌該混合物10小時。添加蒸餾水、以EA萃取、並以MgSO4乾燥之後,於减壓下蒸餾,再經由管柱分離,獲得化合物2-2(7 g,14.78 mmol,56.33%)。
根據製備化合物1-2之相同方法,藉由於製備例1中使用化合物2-2(7 g,14.78 mmol)而獲得化合物2-3(5.7 g,11.97 mmol,80.9%)。
根據製備化合物1-3之相同方法,藉由於製備例1中使用化合物2-3(5.7 g,11.97 mmol)而獲得化合物2-4(3.4 g,7.70 mmol,64.4%)。
根據製備化合物1之相同方法,藉由於製備例1中使用化合物2-4(3.4 g,7.70 mmol)及2-溴二苯并[b,d]噻吩而獲得化合物49(3.2 g,5.52 mmol,72%)。
根據製備化合物2-1之相同方法,藉由於製備例2中使用2,4,6-三氯三(10 g,54.51 mmol)而獲得化合物3-1(13.2 g,47.7 mmol,87.5%)。
根據製備化合物2-2之相同方法,藉由於製備例2中使用化合物3-1(13.2 g,47.7 mmol)而獲得化合物3-2(14.5 g,36.39 mmol,76.3%)。
根據製備化合物2-3之相同方法,藉由於製備例2中使用化合物3-2(14.5 g,36.39 mmol)而獲得化合物3-3(14.6 g,30.59 mmol,84%)。
根據製備化合物2-4之相同方法,藉由於製備例2中使用化合物3-3(14.6 g,30.59 mmol)而獲得化合物3-4(7.2 g,16.28 mmol,53.2%)。
根據製備化合物49之相同方法,藉由於製備例2中使用化合物3-4(7.2 g,16.28 mmol)及2-溴-9,9-二甲基-9H-茀而獲得化合物51(5.1 g,8.63 mmol,53%)。
將1,3-二溴苯(28 g,0.119 mol)溶於THF(600 mL),於-78℃緩慢滴加n-BuLi(47.5 mL)。反應及攪拌1小時後,緩慢滴加化合物3-1(47.5 mL)並緩慢加熱。於室溫下攪拌混合物5小時。反應完成時,以EA及蒸餾水萃取產物。經由管柱分離,獲得化合物4-1(15.7 g,40.43 mmol,40.4%)。
根據製備化合物1-1之相同方法,藉由於製備例1中使用化合物4-1(15.7 g,40.43 mmol)而獲得化合物4-2(12.5 g,26.34 mmol,65.2%)。
根據製備化合物1-2之相同方法,藉由於製備例1中使用化合物4-2(12.5 g,26.34 mmol)而獲得化合物4-3(9.8 g,17.71 mmol,67.3%)。
添加9H-咔唑(70 g,0.42 mmol)、碘苯(46 mL)、銅(40 g)、碳酸鉀(174 g)、18-冠醚-6(9 g)及1,2-二氯苯(2 L)並於回流下攪拌12小時。反應完成時以EA萃取產物並以MgSO4乾燥。於減壓下蒸餾,再經由管柱分離,獲得化合物4-4(63.4 g,260.58 mmol,62%)。
根據製備化合物1-2之相同方法,藉由於製備例1中使用化合物4-4(63.4 g,260.58 mmol)而獲得化合物4-5(52.4 g,162.63 mmol,62.4%)。
根據製備化合物1-3之相同方法,藉由於製備例1中使用化合物4-5(52.4 g,162.63 mmol)而獲得化合物4-6(20.3 g,70.70 mmol,43%)。
根據製備化合物1之相同方法,藉由於製備例1中使用化合物4-3(9.8 g,17.71 mmol)及化合物4-6而獲得化合物62(5.7 g,7.96 mmol,50%)。
根據製備例1至4製備有機電場發光化合物1至68,且所製備之有機電場發光化合物之1H NMR及MS/FAB數據係顯示於表1。
使用本發明之電場發光材料製造OLED裝置。首先,使用超音波依序以三氯乙烯、丙酮、乙醇及蒸餾水清洗由OLED用之玻璃(由Samsung Corning製造)所製得之透明電極ITO薄膜(15Ω/□),並儲存於異丙醇中備用。
然後,將ITO基板裝配於真空氣相沈積裝置之基板夾中,並將4,4’,4”-參(N,N-(2-萘基)-苯基胺基)三苯胺(2-TNATA)置於該真空氣相沈積裝置之小室中,然後在該腔室內通氣以達10-6托(torr)真空。然後,對該小室施加電流以蒸發2-TNATA,從而在該ITO基板上形成厚度為60 nm之電洞注入層。
接著,將N,N’-雙(α-萘基)-N,N’-二苯基-4,4’-二胺(NPB)置於該真空氣相沈積裝置之另一小室中,對該小室施加電流以蒸發NPB,從而於該電洞注入層上形成厚度為20 nm之電洞傳輸層。
形成電洞注入層及電洞傳輸層之後,如下述於其上形成電場發光層。將化合物49置於真空氣相沈積裝置之小室中作為主體,並將Ir(ppy)3[參(2-苯基吡啶)銥]置於另一小室中作為摻雜劑。以不同速度蒸發該兩種材料,從而以4至10重量%而於該電洞傳輸層上氣相沈積厚度為30 nm之電場發光層。
接著,氣相沈積參(8-羥基喹啉)鋁(III)(Alq)以形成厚度為20 nm之電子傳輸層。然後再氣相沈積8-羥基喹啉鋰(lithium quinolate,Liq)以形成厚度為1至2 nm之電子注入層,再使用另一真空氣相沈積裝置形成厚度為150 nm之鋁陰極,進而製造出OLED。用於該OLED之各個化合物皆於10-6 torr下經真空昇華而純化。
以實施例1之相同方法製造OLED,除了將本發明之化合物23用作電場發光層之主體材料並將有機銥錯合物(piq)2Ir(acac)[雙-(1-苯基異喹啉基)銥(III)乙醯丙酮酸鹽]用作電場發光摻雜劑。
以實施例1及3之相同方法製造OLED裝置,除了於該真空氣相沈積裝置之小室中以4,4’-雙(咔唑-9-基)聯苯(CBP)取代本發明之化合物作為主體材料。
於1,000燭光/平方米(cd/m2)測量從包括本發明之有機電場發光化合物(實施例1至2)及傳統電場發光化合物(比較例1至2)所製造之OLED裝置之發光效率。結果顯示於表2。
如表2所示,與傳統材料相較,本發明之有機電場發光化合物具有優異之特性。此外,使用本發明之有機電場發光化合物作為之主體材料而發出紅色光或綠色光之裝置顯現優異的電場發光特性及降低的驅動電壓,藉此提升功率效率並改善功率消耗。
Claims (9)
- 一種化學式1表示之有機電場發光化合物,
- 如申請專利範圍第1項所述之有機電場發光化合物,其中,R1及R4係選自下列結構:
- 如申請專利範圍第1項所述之有機電場發光化合物,其中,係選自下列結構:
- 如申請專利範圍第1項所述之有機電場發光化合物,其係選自下列結構:
- 一種有機電場發光裝置,包括申請專利範圍第1至4項中任一項所述之有機電場發光化合物。
- 如申請專利範圍第5項所述之有機電場發光裝置,其包含第一電極;第二電極;以及一層或多層插置於該第一電極與該第二電極間之有機層;其中,該有機層包括一種或多種申請專利範圍第1至4項中任一項所述之有機電場發光化合物,以及一種或多種化學式2表示之摻雜劑:[化學式2]M1L101L102L103其中,M1係選自第7族、第8族、第9族、第10族、第11族、第13族、第14族、第15族及第16族所組成群組之金屬;且配位子L101、L102及L103係獨立選自下列結構:
- 如申請專利範圍第6項所述之有機電場發光裝置,其中,該有機層進一步包括一種或多種選自芳基胺化合物及苯乙烯基芳基胺化合物所組成群組之胺化合物,或一種或多種選自下列所組成群組之金屬:第1族之有機金屬、第2族、第4週期與第5週期之過渡金屬、鑭系金屬及d-過渡元素;或錯合物化合物。
- 如申請專利範圍第6項所述之有機電場發光裝置,其中,該有機層包括電場發光層及電荷產生層。
- 如申請專利範圍第6項所述之有機電場發光裝置,其為發出白光有機電場發光裝置,其中,該有機層包括一層或多層同時發出紅光、綠光或藍光之有機電場發光層。
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US20120235123A1 (en) | 2012-09-20 |
WO2011019156A1 (en) | 2011-02-17 |
US20150171341A1 (en) | 2015-06-18 |
CN104193732A (zh) | 2014-12-10 |
CN102918134B (zh) | 2017-06-30 |
KR101431644B1 (ko) | 2014-08-21 |
TW201120186A (en) | 2011-06-16 |
CN102918134A (zh) | 2013-02-06 |
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