KR20050000747A - 도핑된 정공수송층 및/또는 정공주입층을 갖는유기전계발광소자 - Google Patents
도핑된 정공수송층 및/또는 정공주입층을 갖는유기전계발광소자 Download PDFInfo
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- KR20050000747A KR20050000747A KR1020030041250A KR20030041250A KR20050000747A KR 20050000747 A KR20050000747 A KR 20050000747A KR 1020030041250 A KR1020030041250 A KR 1020030041250A KR 20030041250 A KR20030041250 A KR 20030041250A KR 20050000747 A KR20050000747 A KR 20050000747A
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- 238000002347 injection Methods 0.000 title claims abstract description 76
- 239000007924 injection Substances 0.000 title claims abstract description 76
- 238000005401 electroluminescence Methods 0.000 title abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000005525 hole transport Effects 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000010410 layer Substances 0.000 claims description 198
- 238000000034 method Methods 0.000 claims description 15
- 239000012044 organic layer Substances 0.000 claims description 11
- 230000001629 suppression Effects 0.000 claims description 10
- -1 4-nitrobiphenyl 4-dimethylamino-4'-nitrostilbene Chemical compound 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 5
- LXQOQPGNCGEELI-UHFFFAOYSA-N 2,4-dinitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O LXQOQPGNCGEELI-UHFFFAOYSA-N 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- ZUTCJXFCHHDFJS-UHFFFAOYSA-N 1,5-dinitronaphthalene Chemical compound C1=CC=C2C([N+](=O)[O-])=CC=CC2=C1[N+]([O-])=O ZUTCJXFCHHDFJS-UHFFFAOYSA-N 0.000 claims description 3
- JKLYZOGJWVAIQS-UHFFFAOYSA-N 2,3,5,6-tetrafluorocyclohexa-2,5-diene-1,4-dione Chemical compound FC1=C(F)C(=O)C(F)=C(F)C1=O JKLYZOGJWVAIQS-UHFFFAOYSA-N 0.000 claims description 3
- VEPOHXYIFQMVHW-XOZOLZJESA-N 2,3-dihydroxybutanedioic acid (2S,3S)-3,4-dimethyl-2-phenylmorpholine Chemical compound OC(C(O)C(O)=O)C(O)=O.C[C@H]1[C@@H](OCCN1C)c1ccccc1 VEPOHXYIFQMVHW-XOZOLZJESA-N 0.000 claims description 3
- OQHXZZGZASQSOB-UHFFFAOYSA-N 3,4,5,6-tetrachlorobenzene-1,2-dicarbonitrile Chemical compound ClC1=C(Cl)C(Cl)=C(C#N)C(C#N)=C1Cl OQHXZZGZASQSOB-UHFFFAOYSA-N 0.000 claims description 3
- BAJQRLZAPXASRD-UHFFFAOYSA-N 4-Nitrobiphenyl Chemical group C1=CC([N+](=O)[O-])=CC=C1C1=CC=CC=C1 BAJQRLZAPXASRD-UHFFFAOYSA-N 0.000 claims description 3
- YYVYAPXYZVYDHN-UHFFFAOYSA-N 9,10-phenanthroquinone Chemical compound C1=CC=C2C(=O)C(=O)C3=CC=CC=C3C2=C1 YYVYAPXYZVYDHN-UHFFFAOYSA-N 0.000 claims description 3
- 229930192627 Naphthoquinone Natural products 0.000 claims description 3
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 claims description 3
- MTJUNWRJLQPDLV-UHFFFAOYSA-N [N+](=O)([O-])C=1C(C2=CC3=CC(=CC=C3C2=C(C1)[N+](=O)[O-])[N+](=O)[O-])=O.[N+](=O)([O-])C=1C(C2=CC3=CC(=CC=C3C2=C(C1)[N+](=O)[O-])[N+](=O)[O-])=O Chemical compound [N+](=O)([O-])C=1C(C2=CC3=CC(=CC=C3C2=C(C1)[N+](=O)[O-])[N+](=O)[O-])=O.[N+](=O)([O-])C=1C(C2=CC3=CC(=CC=C3C2=C(C1)[N+](=O)[O-])[N+](=O)[O-])=O MTJUNWRJLQPDLV-UHFFFAOYSA-N 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 125000002729 alkyl fluoride group Chemical group 0.000 claims description 3
- 150000008064 anhydrides Chemical group 0.000 claims description 3
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 3
- 150000004056 anthraquinones Chemical class 0.000 claims description 3
- BHXFKXOIODIUJO-UHFFFAOYSA-N benzene-1,4-dicarbonitrile Chemical compound N#CC1=CC=C(C#N)C=C1 BHXFKXOIODIUJO-UHFFFAOYSA-N 0.000 claims description 3
- 125000004185 ester group Chemical group 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 150000002391 heterocyclic compounds Chemical class 0.000 claims description 3
- 150000003949 imides Chemical group 0.000 claims description 3
- 150000002466 imines Chemical group 0.000 claims description 3
- 150000002791 naphthoquinones Chemical class 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 3
- 125000003375 sulfoxide group Chemical group 0.000 claims description 3
- AUHHYELHRWCWEZ-UHFFFAOYSA-N tetrachlorophthalic anhydride Chemical compound ClC1=C(Cl)C(Cl)=C2C(=O)OC(=O)C2=C1Cl AUHHYELHRWCWEZ-UHFFFAOYSA-N 0.000 claims description 3
- HAMRZBXIIYPLMJ-UHFFFAOYSA-N C(#N)C=1C2=CC=CC=C2C(=C2C=CC=CC12)C#N.C(#N)C=1C2=CC=CC=C2C(=C2C=CC=CC12)C#N Chemical compound C(#N)C=1C2=CC=CC=C2C(=C2C=CC=CC12)C#N.C(#N)C=1C2=CC=CC=C2C(=C2C=CC=CC12)C#N HAMRZBXIIYPLMJ-UHFFFAOYSA-N 0.000 claims description 2
- TYMLOMAKGOJONV-UHFFFAOYSA-N 4-nitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1 TYMLOMAKGOJONV-UHFFFAOYSA-N 0.000 claims 2
- KCALAFIVPCAXJI-UHFFFAOYSA-N 1,10-phenanthroline-5,6-dione Chemical compound C1=CC=C2C(=O)C(=O)C3=CC=CN=C3C2=N1 KCALAFIVPCAXJI-UHFFFAOYSA-N 0.000 claims 1
- SSDNULNTQAUNFQ-UHFFFAOYSA-N 3,5-dinitrobenzonitrile Chemical compound [O-][N+](=O)C1=CC(C#N)=CC([N+]([O-])=O)=C1 SSDNULNTQAUNFQ-UHFFFAOYSA-N 0.000 claims 1
- QVMFDHHORPFEJY-UHFFFAOYSA-N C1=CC2=CC3=C(C=CC=C3NC4=C(C=C(C=C4)[N+](=O)[O-])C#N)C=C2C(=C1)[N+](=O)[O-] Chemical compound C1=CC2=CC3=C(C=CC=C3NC4=C(C=C(C=C4)[N+](=O)[O-])C#N)C=C2C(=C1)[N+](=O)[O-] QVMFDHHORPFEJY-UHFFFAOYSA-N 0.000 claims 1
- BAUVOQRTIVFVQJ-UHFFFAOYSA-N ClC1=NC2=CC(=C(C=C2N=C1Cl)Cl)Cl.ClC1=NC2=CC(=C(C=C2N=C1Cl)Cl)Cl Chemical compound ClC1=NC2=CC(=C(C=C2N=C1Cl)Cl)Cl.ClC1=NC2=CC(=C(C=C2N=C1Cl)Cl)Cl BAUVOQRTIVFVQJ-UHFFFAOYSA-N 0.000 claims 1
- CLYVDMAATCIVBF-UHFFFAOYSA-N pigment red 224 Chemical compound C=12C3=CC=C(C(OC4=O)=O)C2=C4C=CC=1C1=CC=C2C(=O)OC(=O)C4=CC=C3C1=C42 CLYVDMAATCIVBF-UHFFFAOYSA-N 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 17
- 239000002019 doping agent Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- BIOPPFDHKHWJIA-UHFFFAOYSA-N anthracene-9,10-dinitrile Chemical compound C1=CC=C2C(C#N)=C(C=CC=C3)C3=C(C#N)C2=C1 BIOPPFDHKHWJIA-UHFFFAOYSA-N 0.000 description 5
- 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 5
- 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 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- KTJRFHNIRQYICU-UHFFFAOYSA-N 1,10-phenanthroline-5,6-dione Chemical compound O=C1C(=O)c2cccnc2-c2ncccc12.O=C1C(=O)c2cccnc2-c2ncccc12 KTJRFHNIRQYICU-UHFFFAOYSA-N 0.000 description 2
- GQWLQHHUPKCOJH-UHFFFAOYSA-N 2,3,6,7-tetrachloroquinoxaline Chemical compound ClC1=C(Cl)N=C2C=C(Cl)C(Cl)=CC2=N1 GQWLQHHUPKCOJH-UHFFFAOYSA-N 0.000 description 2
- MGCGMYPNXAFGFA-UHFFFAOYSA-N 2-amino-5-nitrobenzonitrile Chemical compound NC1=CC=C([N+]([O-])=O)C=C1C#N MGCGMYPNXAFGFA-UHFFFAOYSA-N 0.000 description 2
- XXWXOBCTTXYJLD-UHFFFAOYSA-N 4-nitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1.NC1=CC=C([N+]([O-])=O)C=C1 XXWXOBCTTXYJLD-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- RSUWKGFXGGNJEM-UHFFFAOYSA-N [N+](=O)([O-])C1=C(N)C=CC(=C1)[N+](=O)[O-].[N+](=O)([O-])C1=C(N)C=CC(=C1)[N+](=O)[O-] Chemical compound [N+](=O)([O-])C1=C(N)C=CC(=C1)[N+](=O)[O-].[N+](=O)([O-])C1=C(N)C=CC(=C1)[N+](=O)[O-] RSUWKGFXGGNJEM-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- NVLSIZITFJRWPY-ONEGZZNKSA-N n,n-dimethyl-4-[(e)-2-(4-nitrophenyl)ethenyl]aniline Chemical compound C1=CC(N(C)C)=CC=C1\C=C\C1=CC=C([N+]([O-])=O)C=C1 NVLSIZITFJRWPY-ONEGZZNKSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
- H10K50/155—Hole transporting layers comprising dopants
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
항 목 | 정공주입층 | 정공수송층 | 밝기효율(Cd/A, at 200nt) |
실시예 1 | BFE+5중량% DCA | IDE320 | 8.1 |
실시예 2 | BFE+5중량% DCA | - | 4.7 |
비교예 1 | BFE | IDE320 | 6.66 |
비교예 2 | BFE | - | 5.6 |
항 목 | 정공주입층 | 정공수송층 | 밝기효율(Cd/A, at 200nt) | 반감수명(hour) |
실시예 3 | BFE+5중량% DCA | IDE320 | 7.0 | 900 |
비교예 3 | BFE | IDE320 | 5.38 | 190 |
Claims (9)
- 기판;상기 기판 상에 위치한 화소 영역을 정의하는 제 1 전극;상기 제 1 전극 상에 위치한 최소한 발광층과 정공주입층 및/또는 정공수송층을 포함하고 있는 유기막;상기 유기막 상에 위치한 제 2 전극을 포함하는 유기전계발광소자에 있어서,상기 정공주입층 및/또는 정공수송층은 전자끌게물질(electron acceptor)로 도핑되되, 상기 전자끌게물질의 전자친화도(electron affinity)는 피도핑된 층을 이루는 물질의 전자친화도보다 0.1eV이상 큰 물질인 유기전계발광소자.
- 제 1항에 있어서,상기 전자끌게물질은니트로기(nitro group; NO2), 시아노기(cyano group; CN), 설포닐기(sulfonyl group; SO2), 설폭사이드기(sulfoxide group; SO3), 카르보닐기(carbonyl group; CO), 카르복실기(carboxyl group; CO2), 에스테르기(ester group; COO), 언하이드라이드(anhydride), 이미드(imide), 이민(imine), 할로겐기(halogen group), 불화알킬기, 불화방향족기로 이루어진 군에서 선택되는 하나 이상을 함유하는 방향족계, 올레핀계, 방향족-올레핀 컨쥬게이트계, 방향족-방향족 컨쥬게이트계, 융합방향족계, 헤테로고리화합물계로 이루어진 군에서 선택되는 하나 이상의 물질인 유기전계발광소자.
- 제 2항에 있어서,상기 전자끌게물질은2,4,7-트리니트로플루오렌논(2,4,7-trinitrofluorenone), 4-니트로아닐린(4-nitroaniline), 2,4-디니트로아닐린(2,4-dinitroaniline), 5-니트로안트라닐로니트릴(5-nitroanthranilonitrile), 2,4-디니트로디페닐아민(2,4-dinitrophenylamine), 1,5-디니트로나프탈렌(1.5-dinitronaphthalene), 4-니트로비페닐(4-nitrobiphenyl), 4-디메틸아미노-4'-니트로스틸벤 (4-dimethylamino-4'-nitrostilbene), 1,4-디시아노벤젠 (1,4-dicyanobenzene), 9,10-디시아노안트라센(9,10-dicyanoanthracene), 1,2,4,5-테트라시아노벤젠(1,2,4,5-tetracyanobenzene), 3,5-디니트로벤조니트릴(3,5-dinitrobenzonitrile), 3,4,9,10-페릴렌디카르복실릭 디언하이드라이드(3,4,9,10-perylenetetracarboxylic dianhydride), N,N'-비스(2,5-디-t-부틸페닐)-3,4,9,10-페릴렌디카르복시이미드(N,N'-bis(di-t-buytlphenyl)-3,4,9,10-perylenedicarboxyimide)), 테트라클로로프탈릭 언하이드라이드 (tetrachlorophthalic anhydride), (tetrachlorophthalonitrile), 테트라플루오로-1,4-벤조퀴논 (tetrafluoro-1,4-benzoquinone), 나프토퀴논(naphthoquinone), 안트라퀴논(anthraquinone), 펜난트렌퀴논(phenanthrenequinone),1,10-펜난트롤린-5,6-디온 (1,10-phenanthroline-5,6-dione), 페나진 (phenazine), 퀴녹살린 (quinoxaline), 2,3,6,7-테트라클로로퀴녹살린 (2,3,6,7-tetrachloroquinoxaline) 로 이루어진 군에서 선택되는 하나이상의 물질인 유기전계발광소자.
- 제 3항에 있어서,상기 전자끌게물질은 9,10-디시아노안트라센(9,10-dicyanoanthracene)인 유기전계발광소자.
- 제 1항에 있어서,상기 전자끌게물질은 상기 피도핑된 층에 대해 0.01 내지 50중량%로 사용하는 유기전계발광소자.
- 제 1항에 있어서,상기 정공주입층과 상기 정공수송층 중에서 상기 정공주입층만이 상기 전자끌게물질로 도핑된 유기전계발광소자.
- 제 1항에 있어서,상기 정공주입층 및/또는 상기 정공수송층에 도핑된 상기 전자끌게물질의 농도는 상기 발광층을 향해 감소되는 유기전계발광소자.
- 제 1항에 있어서,상기 유기막은 정공억제층, 전자수송층, 전자주입층 중 하나 이상을 더욱 포함하는 유기전계발광소자.
- 제 1항에 있어서,상기 정공주입층 및/또는 정공수송층은 용액공정, 전면증착, 공증착법 중 어느 하나로 형성되는 유기전계발광소자.
Priority Applications (3)
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KR10-2003-0041250A KR100527194B1 (ko) | 2003-06-24 | 2003-06-24 | 도핑된 정공수송층 및/또는 정공주입층을 갖는유기전계발광소자 |
US10/839,338 US7771843B2 (en) | 2003-06-24 | 2004-05-06 | Organic light-emitting device employing doped hole transporting layer and/or hole injecting layer |
CN2004100493946A CN1575070B (zh) | 2003-06-24 | 2004-06-09 | 采用掺杂的空穴迁移层和/或空穴注入层的有机发光器件 |
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KR100752383B1 (ko) * | 2005-12-26 | 2007-08-27 | 삼성에스디아이 주식회사 | 유기전계발광소자 및 그 제조방법 |
KR100898073B1 (ko) * | 2006-11-22 | 2009-05-18 | 삼성모바일디스플레이주식회사 | 퀴녹살린 고리 함유 화합물 및 이를 이용한 유기 발광 소자 |
KR20190030681A (ko) * | 2007-09-27 | 2019-03-22 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광소자, 발광장치, 및 전자기기 |
KR20210106976A (ko) * | 2007-09-27 | 2021-08-31 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광소자, 발광장치, 및 전자기기 |
US11189812B2 (en) | 2007-09-27 | 2021-11-30 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, light-emitting device, and electronic appliance |
KR20220027103A (ko) * | 2007-09-27 | 2022-03-07 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광소자, 발광장치, 및 전자기기 |
KR20230021064A (ko) * | 2007-09-27 | 2023-02-13 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광소자, 발광장치, 및 전자기기 |
US8883323B2 (en) | 2010-11-22 | 2014-11-11 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence device |
KR101482362B1 (ko) * | 2010-11-22 | 2015-01-13 | 이데미쓰 고산 가부시키가이샤 | 유기 일렉트로루미네선스 소자 |
KR20160083184A (ko) * | 2014-12-30 | 2016-07-12 | 엘지디스플레이 주식회사 | 유기 화합물과 이를 이용한 발광다이오드 및 유기발광다이오드 표시장치 |
KR20190093670A (ko) * | 2017-08-30 | 2019-08-09 | 쿤산 고-비젼녹스 옵토-일렉트로닉스 씨오., 엘티디. | 유기 발광 소자 |
US11462689B2 (en) | 2017-08-30 | 2022-10-04 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Organic light-emitting devices |
Also Published As
Publication number | Publication date |
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US7771843B2 (en) | 2010-08-10 |
US20040265630A1 (en) | 2004-12-30 |
CN1575070B (zh) | 2012-05-02 |
KR100527194B1 (ko) | 2005-11-08 |
CN1575070A (zh) | 2005-02-02 |
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