KR20080056567A - 유기전계발광표시장치 및 그의 제조방법 - Google Patents
유기전계발광표시장치 및 그의 제조방법 Download PDFInfo
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- KR20080056567A KR20080056567A KR1020060129627A KR20060129627A KR20080056567A KR 20080056567 A KR20080056567 A KR 20080056567A KR 1020060129627 A KR1020060129627 A KR 1020060129627A KR 20060129627 A KR20060129627 A KR 20060129627A KR 20080056567 A KR20080056567 A KR 20080056567A
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- light emitting
- electrode
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- display device
- hole injection
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- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000002347 injection Methods 0.000 claims abstract description 53
- 239000007924 injection Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 36
- 238000002207 thermal evaporation Methods 0.000 claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000000151 deposition Methods 0.000 claims description 19
- 230000001629 suppression Effects 0.000 claims description 13
- 230000005525 hole transport Effects 0.000 claims description 12
- 238000004544 sputter deposition Methods 0.000 claims description 11
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 11
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 8
- 239000011368 organic material Substances 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- 239000011147 inorganic material Substances 0.000 description 4
- NGQSLSMAEVWNPU-YTEMWHBBSA-N 1,2-bis[(e)-2-phenylethenyl]benzene Chemical compound C=1C=CC=CC=1/C=C/C1=CC=CC=C1\C=C\C1=CC=CC=C1 NGQSLSMAEVWNPU-YTEMWHBBSA-N 0.000 description 3
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 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 3
- UHXOHPVVEHBKKT-UHFFFAOYSA-N 1-(2,2-diphenylethenyl)-4-[4-(2,2-diphenylethenyl)phenyl]benzene Chemical compound C=1C=C(C=2C=CC(C=C(C=3C=CC=CC=3)C=3C=CC=CC=3)=CC=2)C=CC=1C=C(C=1C=CC=CC=1)C1=CC=CC=C1 UHXOHPVVEHBKKT-UHFFFAOYSA-N 0.000 description 2
- ZMLPKJYZRQZLDA-UHFFFAOYSA-N 1-(2-phenylethenyl)-4-[4-(2-phenylethenyl)phenyl]benzene Chemical compound C=1C=CC=CC=1C=CC(C=C1)=CC=C1C(C=C1)=CC=C1C=CC1=CC=CC=C1 ZMLPKJYZRQZLDA-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound 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
- 229910052709 silver Inorganic materials 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical compound N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 1
- LCAKAXJAQMMVTQ-UHFFFAOYSA-N 1-(2,2-diphenylethenyl)-2-phenylbenzene Chemical group C=1C=CC=C(C=2C=CC=CC=2)C=1C=C(C=1C=CC=CC=1)C1=CC=CC=C1 LCAKAXJAQMMVTQ-UHFFFAOYSA-N 0.000 description 1
- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 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 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000007737 ion beam deposition Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
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Classifications
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- 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
- H05B33/20—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/10—Transparent electrodes, e.g. using graphene
- H10K2102/101—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO]
- H10K2102/103—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO] comprising indium oxides, e.g. ITO
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8051—Anodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (13)
- 기판;상기 기판 상에 위치하는 제 1 전극;상기 제 1 전극 상에 위치하는 발광층;상기 발광층 상에 위치하는 제 2 전극을 포함하며,상기 제 1 전극과 상기 발광층 사이 또는 상기 발광층과 상기 제 2 전극 사이에 위치하며, 1100℃ 이하에서 증발(evaporation)하는 무기반도체 재료로 이루어진 정공주입층을 포함하는 것을 특징으로 하는 유기전계발광표시장치.
- 제 1 항에 있어서,상기 무기반도체 재료는 V2O5, WO3, MoO3 및 B203로 이루어진 군에서 선택된 하나인 것을 특징으로 하는 유기전계발광표시장치.
- 제 1 항에 있어서,상기 제 1 전극은 캐소드이고, 상기 제 2 전극은 애노드인 것을 특징으로 하는 유기전계발광표시장치.
- 제 3 항에 있어서,상기 애노드는 ITO, IZO 또는 ZnO인 것을 특징으로 하는 유기전계발광표시장치.
- 제 1 항에 있어서,상기 정공주입층은 5Å 내지 1000Å 두께인 것을 특징으로 하는 유기전계발광표시장치.
- 제 1 항에 있어서,상기 제 1 전극과 상기 제 2 전극 사이에 정공수송층, 정공억제층, 전자억제층, 전자수송층 및 전자주입층으로 이루어진 군에서 선택된 하나 또는 복수의 층을 더욱 포함하는 것을 특징으로 하는 유기전계발광표시장치.
- 기판을 제공하고,상기 기판 상에 제 1 전극을 형성하고,상기 제 1 전극 상에 발광층을 형성하고,상기 발광층 상에 제 2 전극을 형성하는 것을 포함하며,상기 제 1 전극과 상기 발광층 사이 상기 발광층과 상기 제 2 전극 사이에 1100℃ 이하에서 증발(evaporation)하는 무기반도체 재료로 이루어진 정공주입층을 형성하는 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
- 제 7 항에 있어서,상기 무기반도체 재료는 V2O5, WO3, MoO3 및 B203로 이루어진 군에서 선택된 하나인 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
- 제 8 항에 있어서,상기 정공주입층은 열증착법으로 형성하는 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
- 제 9 항에 있어서,상기 열증착법은 진공분위기에서 이루어지는 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
- 제 9 항에 있어서,상기 열증착법은 질소분위기에서 이루어지는 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
- 제 7 항에 있어서,상기 제 2 전극을 스퍼터법으로 형성하는 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
- 제 7 항에 있어서,상기 발광층을 증착법으로 형성하는 것을 특징으로 하는 유기전계발광표시장치의 제조방법.
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KR1020060129627A KR100841369B1 (ko) | 2006-12-18 | 2006-12-18 | 유기전계발광표시장치 및 그의 제조방법 |
US11/958,562 US8294358B2 (en) | 2006-12-18 | 2007-12-18 | Organic light emitting diode display device and method of fabricating the same |
US13/592,806 US8628369B2 (en) | 2006-12-18 | 2012-08-23 | Method of fabricating organic light emitting diode display device |
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KR1020060129627A KR100841369B1 (ko) | 2006-12-18 | 2006-12-18 | 유기전계발광표시장치 및 그의 제조방법 |
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KR20080056567A true KR20080056567A (ko) | 2008-06-23 |
KR100841369B1 KR100841369B1 (ko) | 2008-06-26 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11744100B2 (en) | 2020-04-09 | 2023-08-29 | Samsung Display Co., Ltd. | Light-emitting device and apparatus including same |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101707254B1 (ko) | 2010-11-29 | 2017-02-15 | 가부시키가이샤 제이올레드 | 유기 발광 소자의 제조 방법, 유기 발광 소자, 발광 장치, 표시 패널, 및 표시 장치 |
JP2018195512A (ja) * | 2017-05-19 | 2018-12-06 | 国立大学法人東京工業大学 | 有機el素子 |
WO2019041966A1 (zh) * | 2017-08-31 | 2019-03-07 | 昆山工研院新型平板显示技术中心有限公司 | 一种柔性显示器件 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000068065A (ja) | 1998-08-13 | 2000-03-03 | Tdk Corp | 有機el素子 |
JP2000235893A (ja) | 1999-02-15 | 2000-08-29 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子およびその製造方法 |
JP2000268973A (ja) | 1999-03-17 | 2000-09-29 | Tdk Corp | 有機el素子 |
JP2002035893A (ja) | 2000-07-24 | 2002-02-05 | Kubota Corp | 管およびその製造方法 |
JP2002208483A (ja) | 2001-01-11 | 2002-07-26 | Sharp Corp | 有機エレクトロルミネッセンス素子およびその製造方法 |
WO2004017137A1 (ja) * | 2002-07-22 | 2004-02-26 | Idemitsu Kosan Co., Ltd. | 有機エレクトロルミネッセンス素子 |
US6824950B2 (en) | 2003-02-14 | 2004-11-30 | Eastman Kodak Company | Forming an oled device with a performance-inhancing layer |
KR101032355B1 (ko) * | 2003-05-29 | 2011-05-03 | 신닛테츠가가쿠 가부시키가이샤 | 유기 전계 발광 소자 |
KR20050015902A (ko) * | 2003-08-14 | 2005-02-21 | 엘지전자 주식회사 | 유기 el 소자 및 그 제조방법 |
US7268485B2 (en) * | 2003-10-07 | 2007-09-11 | Eastman Kodak Company | White-emitting microcavity OLED device |
EP1695396B1 (en) * | 2003-12-16 | 2009-06-03 | Panasonic Corporation | Organic electroluminescent device and method for manufacturing the same |
JP4393249B2 (ja) * | 2004-03-31 | 2010-01-06 | 株式会社 日立ディスプレイズ | 有機発光素子,画像表示装置、及びその製造方法 |
JP2005310401A (ja) | 2004-04-16 | 2005-11-04 | Toppan Printing Co Ltd | 有機エレクトロルミネッセンス素子の製造方法 |
US8026510B2 (en) * | 2004-10-20 | 2011-09-27 | Dai Nippon Printing Co., Ltd. | Organic electronic device and method for producing the same |
US7771844B2 (en) * | 2004-12-03 | 2010-08-10 | Semiconductor Energy Laboratory Co., Ltd | Organic metal complex and photoelectronic device, light-emitting element and light-emitting device using the same |
KR101097300B1 (ko) * | 2005-01-08 | 2011-12-23 | 삼성모바일디스플레이주식회사 | 전자 샤워 처리된 정공 주입층을 포함하는 유기 전계 발광소자 및 그 제조방법 |
US8057916B2 (en) * | 2005-04-20 | 2011-11-15 | Global Oled Technology, Llc. | OLED device with improved performance |
US20060240281A1 (en) * | 2005-04-21 | 2006-10-26 | Eastman Kodak Company | Contaminant-scavenging layer on OLED anodes |
US20060240280A1 (en) * | 2005-04-21 | 2006-10-26 | Eastman Kodak Company | OLED anode modification layer |
US7629741B2 (en) * | 2005-05-06 | 2009-12-08 | Eastman Kodak Company | OLED electron-injecting layer |
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2006
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10333092B2 (en) | 2015-06-22 | 2019-06-25 | Samsung Display Co., Ltd. | Organic light emitting diode, manufacturing method thereof, and organic light emitting diode display including the same |
US11744100B2 (en) | 2020-04-09 | 2023-08-29 | Samsung Display Co., Ltd. | Light-emitting device and apparatus including same |
US12004364B2 (en) | 2020-04-09 | 2024-06-04 | Samsung Display Co., Ltd. | Light-emitting device and apparatus including same |
Also Published As
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US20120322190A1 (en) | 2012-12-20 |
US20080143252A1 (en) | 2008-06-19 |
US8294358B2 (en) | 2012-10-23 |
US8628369B2 (en) | 2014-01-14 |
KR100841369B1 (ko) | 2008-06-26 |
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