KR100802757B1 - 유기 전자발광 소자 - Google Patents
유기 전자발광 소자 Download PDFInfo
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- KR100802757B1 KR100802757B1 KR1020017015089A KR20017015089A KR100802757B1 KR 100802757 B1 KR100802757 B1 KR 100802757B1 KR 1020017015089 A KR1020017015089 A KR 1020017015089A KR 20017015089 A KR20017015089 A KR 20017015089A KR 100802757 B1 KR100802757 B1 KR 100802757B1
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- South Korea
- Prior art keywords
- formula
- group
- layer
- organic
- carbazole derivative
- Prior art date
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- 238000005401 electroluminescence Methods 0.000 title 1
- 239000002019 doping agent Substances 0.000 claims abstract description 47
- 125000000609 carbazolyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims abstract description 15
- 230000009477 glass transition Effects 0.000 claims abstract description 14
- 125000003118 aryl group Chemical group 0.000 claims description 31
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 230000004888 barrier function Effects 0.000 claims description 19
- 150000001875 compounds Chemical class 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims description 11
- 150000001340 alkali metals Chemical class 0.000 claims description 11
- 238000013329 compounding Methods 0.000 claims description 9
- 150000004696 coordination complex Chemical group 0.000 claims description 9
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical group C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 claims description 8
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 125000002947 alkylene group Chemical group 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 125000005647 linker group Chemical group 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims description 4
- 125000000732 arylene group Chemical group 0.000 claims description 4
- 239000003446 ligand Substances 0.000 claims description 4
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 101
- 150000001716 carbazoles Chemical class 0.000 description 54
- -1 diphenylanthranyl Chemical group 0.000 description 23
- 239000000463 material Substances 0.000 description 22
- 238000012360 testing method Methods 0.000 description 12
- 238000000151 deposition Methods 0.000 description 11
- 230000008021 deposition Effects 0.000 description 11
- 239000000758 substrate Substances 0.000 description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
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- 230000005611 electricity Effects 0.000 description 6
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- 230000007704 transition Effects 0.000 description 6
- 238000001771 vacuum deposition Methods 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 4
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- 239000007983 Tris buffer Substances 0.000 description 3
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- 125000001424 substituent group Chemical group 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
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- 229910006404 SnO 2 Inorganic materials 0.000 description 2
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- 125000004185 ester group Chemical group 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
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- 230000005283 ground state Effects 0.000 description 2
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- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
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- 238000004544 sputter deposition Methods 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 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 1
- STTGYIUESPWXOW-UHFFFAOYSA-N 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline Chemical compound C=12C=CC3=C(C=4C=CC=CC=4)C=C(C)N=C3C2=NC(C)=CC=1C1=CC=CC=C1 STTGYIUESPWXOW-UHFFFAOYSA-N 0.000 description 1
- HONWGFNQCPRRFM-UHFFFAOYSA-N 2-n-(3-methylphenyl)-1-n,1-n,2-n-triphenylbenzene-1,2-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C(=CC=CC=2)N(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 HONWGFNQCPRRFM-UHFFFAOYSA-N 0.000 description 1
- FWPFFKQILIFMAD-UHFFFAOYSA-N 2-phenylpyridine;platinum Chemical compound [Pt].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 FWPFFKQILIFMAD-UHFFFAOYSA-N 0.000 description 1
- FLEKYFPINOSNRF-UHFFFAOYSA-N 2-phenylpyridine;rhenium Chemical compound [Re].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 FLEKYFPINOSNRF-UHFFFAOYSA-N 0.000 description 1
- LOIBXBUXWRVJCF-UHFFFAOYSA-N 4-(4-aminophenyl)-3-phenylaniline Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1C1=CC=CC=C1 LOIBXBUXWRVJCF-UHFFFAOYSA-N 0.000 description 1
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
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- 229910021595 Copper(I) iodide Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000799 K alloy Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- NPRDEIDCAUHOJU-UHFFFAOYSA-N [Pt].N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 Chemical compound [Pt].N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 NPRDEIDCAUHOJU-UHFFFAOYSA-N 0.000 description 1
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- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000005551 pyridylene group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 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
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000646 scanning calorimetry Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006836 terphenylene group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
Description
상기 화학식 1의 화합물은 하기 화학식 1a의 화합물을 포함한다.
상기 화학식 1a에서,
Ar1은 치환되거나 치환되지 않은 핵탄소수 6 내지 50의 아릴 기이고;
Ar4 내지 Ar7은 서로 독립적으로 치환되거나 치환되지 않은 핵탄소수 6 내지 50의 아릴 기 또는 아릴렌 기이고,
Ar4와 Ar5, 또는 Ar6과 Ar7은 각각 단일결합으로 연결되거나 또는 연결기로서 O, S, 또는 치환되거나 치환되지 않은 알킬렌에 의해 연결될 수 있으며;
m 및 n은 반복수로서, 각각 0 내지 3인 정수이다.
유기 발광층 (Tg(℃)) | 정공 장벽층 | 전압 (V) | 발광 휘도 (nit) | 발광 효율 (cd/A) | 발광색 | 반감 수명 (시간) | 85℃에서의 통전 시험 (시간) | |
실시예 1 | 화학식 9 (>110) | BCP | 6 | 1200 | 40 | 녹색 | 500 | >200 |
실시예 2 | 화학식 9 (>110) | BCP/Li =1/1 | 5 | 1300 | 37 | 녹색 | 700 | >200 |
실시예 3 | 화학식 9 (>110) | BCP/Cs =1/1 | 4.5 | 1200 | 40 | 녹색 | 800 | >200 |
비교예 1 | 화학식 6 (<110) | BCP | 6 | 1100 | 38 | 녹색 | 150 | <200 |
유기 발광층 (Tg(℃)) | 정공 장벽층 | 전압 (V) | 발광 휘도 (nit) | 발광 효율 (cd/A) | 발광색 | 반감 수명 (시간) | 85℃에서의 통전 시험 (시간) | |
실시예 4 | 화학식 10 (>110) | BCP | 6 | 1050 | 35 | 녹색 | 450 | >200 |
실시예 5 | 화학식 19 (>110) | BCP | 6 | 600 | 18 | 녹색 | 350 | >200 |
실시예 6 | 화학식 26 (>110) | BCP | 6 | 450 | 10 | 녹색 | 300 | >200 |
실시예 7 | 화학식 30 (>110) | BCP | 6 | 890 | 28 | 녹색 | 400 | >200 |
실시예 8 | 화학식 43 (>140) | BCP | 6 | 920 | 30 | 녹색 | 550 | >200 |
실시예 9 | 화학식 55 (>110) | BCP | 6 | 350 | 10 | 녹색 | 400 | >200 |
Claims (10)
- 양극층;음극층; 및이들 층 사이에 배치된 유기 발광층을 포함하는 유기 전자발광 소자로서,상기 유기 발광층이, 유리 전이 온도가 11O℃ 이상인 카바졸 유도체 및 인광성 도판트(dopant)를 포함하고,상기 카바졸 유도체가, 하기 화학식 1a, 화학식 2, 화학식 20 내지 24, 화학식 30, 화학식 31, 화학식 33 내지 41, 및 화학식 44 내지 59로 표시되는 화합물중에서 선택된 것을 특징으로 하는 유기 전자발광 소자:화학식 1a상기 화학식 1a에서,Ar1은 치환되거나 치환되지 않은 핵탄소수 6 내지 50의 아릴 기이고;Ar4 내지 Ar7은 서로 독립적으로 치환되거나 치환되지 않은 핵탄소수 6 내지 50의 아릴 기 또는 아릴렌 기이고,Ar4와 Ar5, 또는 Ar6과 Ar7은 각각 단일결합으로 연결되거나 또는 연결기로서 O, S, 또는 치환되거나 치환되지 않은 알킬렌에 의해 연결될 수 있으며;m 및 n은 반복수로서, 각각 0 내지 3인 정수이다;화학식 2상기 화학식 2에서,R1 내지 R6은 서로 독립적으로 수소 원자, 알킬 기, 아르알킬 기, 아릴 기, 사이클로알킬 기, 플루오로알킬 기, 아미노 기, 할로겐, 니트로 기, 시아노 기, 하이드록실 기 또는 알콕시 기이고;R7 및 R8은 서로 독립적으로 수소 원자, 알킬 기, 아르알킬 기, 아릴 기 또는 사이클로알킬 기이고;X1 및 X2는 서로 독립적으로 수소 원자, 알킬 기, 아르알킬 기, 아릴 기 또는 사이클로알킬 기이고;Y는 단일결합, 알킬 쇄, 알킬렌 쇄, 사이클로알킬 쇄, 아릴 쇄 또는 아르알킬 쇄이고;p는 반복수로서, 1 내지 3의 정수이다;화학식 20화학식 21화학식 22화학식 23화학식 24화학식 30화학식 31화학식 33상기 화학식 33에서,Me는 메틸이다.화학식 34화학식 35화학식 36화학식 37화학식 38화학식 39화학식 40화학식 41화학식 44화학식 45화학식 46화학식 47화학식 48화학식 49화학식 50화학식 51상기 화학식 51에서,Me는 메틸이다.화학식 52화학식 53화학식 54화학식 55화학식 56화학식 57화학식 58상기 화학식 58에서,Me는 메틸기이다.화학식 59상기 화학식 59에서,r은 반복수로서, 3 내지 20의 정수이다.
- 삭제
- 제 1 항에 있어서,카바졸 유도체가 2개 이상의 카바졸 골격을 가짐을 특징으로 하는 유기 전자발광 소자.
- 제 1 항에 있어서,하기 수학식 2의 관계를 만족시킴을 특징으로 하는 유기 전자발광 소자:수학식 2E1>E2상기 식에서,E1은 카바졸 유도체의 삼중항(triplet) 에너지이고;E2는 인광성 도판트의 삼중항 에너지이다.
- 제 1 항에 있어서,카바졸 유도체의 삼중항 에너지(E1)가 21,000㎝-1 이상임을 특징으로 하는 유기 전자발광 소자.
- 제 1 항에 있어서,카바졸 유도체가 21,000㎝-1 이상의 삼중항 에너지를 갖는 환 구조를 가지며, 이때 상기 환 구조가 방향족환 및 헤테로환이거나 또는 이들중 하나의 환 구조임을 특징으로 하는 유기 전자발광 소자.
- 제 1 항에 있어서,인광성 도판트가 Ir, Ru, Pd, Pt, Os 및 Re로 구성된 군으로부터 선택된 1개 이상의 금속을 포함하는 금속 착체임을 특징으로 하는 유기 전자발광 소자.
- 제 7 항에 있어서,금속 착체의 배위자중 1개 이상이 페닐피리딘 골격, 비피리딜 골격 및 페난트롤린 골격으로 구성된 군으로부터 선택된 1개 이상의 골격을 가짐을 특징으로 하는 유기 전자발광 소자.
- 제 1 항에 있어서,인광성 도판트의 배합량을 카바졸 유도체의 배합량 100 중량부에 대하여, 0.1 내지 30 중량부의 범위 내로 함을 특징으로 하는 유기 전자발광 소자.
- 제 1 항에 있어서,양극층과 음극층 사이에 정공 장벽층 및 전자 주입층을 설치하거나 또는 이들중 1층을 설치하고, 이때 상기 정공 장벽층 및 전자 주입층이 알칼리 금속을 포함함을 특징으로 하는 유기 전자발광 소자.
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- 2001-03-27 KR KR1020017015089A patent/KR100802757B1/ko active IP Right Grant
- 2001-03-27 DE DE60133797.2T patent/DE60133797T3/de not_active Expired - Lifetime
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- 2001-03-27 CN CNA2005100659787A patent/CN1694591A/zh active Pending
- 2001-03-27 JP JP2001571844A patent/JP4916078B2/ja not_active Expired - Fee Related
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101765511B1 (ko) | 2008-11-17 | 2017-08-08 | 에스에프씨 주식회사 | 카바졸 유도체 및 이를 이용한 유기전계소자 |
US9246111B1 (en) | 2014-07-10 | 2016-01-26 | Samsung Display Co., Ltd. | Organic light-emitting device |
Also Published As
Publication number | Publication date |
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CN1365381A (zh) | 2002-08-21 |
US20050222429A1 (en) | 2005-10-06 |
KR20020026866A (ko) | 2002-04-12 |
US20020045061A1 (en) | 2002-04-18 |
US20060046098A1 (en) | 2006-03-02 |
TW532048B (en) | 2003-05-11 |
US8753757B2 (en) | 2014-06-17 |
US20170098785A1 (en) | 2017-04-06 |
US20070248841A1 (en) | 2007-10-25 |
CN1694591A (zh) | 2005-11-09 |
DE60133797D1 (de) | 2008-06-12 |
EP1205527B2 (en) | 2020-10-07 |
US6979414B2 (en) | 2005-12-27 |
DE60133797T3 (de) | 2021-03-25 |
EP1205527B1 (en) | 2008-04-30 |
JP4916078B2 (ja) | 2012-04-11 |
US9564607B2 (en) | 2017-02-07 |
CN1206311C (zh) | 2005-06-15 |
US6660410B2 (en) | 2003-12-09 |
EP1205527A4 (en) | 2007-04-25 |
WO2001072927A1 (en) | 2001-10-04 |
DE60133797T2 (de) | 2009-06-25 |
US7226546B2 (en) | 2007-06-05 |
US20140239282A1 (en) | 2014-08-28 |
EP1205527A1 (en) | 2002-05-15 |
US20110163660A1 (en) | 2011-07-07 |
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