KR20090081347A - 유기 발광 소자 및 이의 제작 방법 - Google Patents
유기 발광 소자 및 이의 제작 방법 Download PDFInfo
- Publication number
- KR20090081347A KR20090081347A KR1020090006333A KR20090006333A KR20090081347A KR 20090081347 A KR20090081347 A KR 20090081347A KR 1020090006333 A KR1020090006333 A KR 1020090006333A KR 20090006333 A KR20090006333 A KR 20090006333A KR 20090081347 A KR20090081347 A KR 20090081347A
- Authority
- KR
- South Korea
- Prior art keywords
- light emitting
- emitting device
- electrode
- material layer
- organic material
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 59
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 46
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 239000010409 thin film Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- 239000011368 organic material Substances 0.000 claims description 116
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 34
- 238000004544 sputter deposition Methods 0.000 claims description 30
- 238000000151 deposition Methods 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 11
- 230000008021 deposition Effects 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 238000005240 physical vapour deposition Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004642 (C1-C12) alkoxy group Chemical group 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 150000003974 aralkylamines Chemical class 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 229940124530 sulfonamide Drugs 0.000 claims description 2
- 150000003456 sulfonamides Chemical class 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 2
- 150000003462 sulfoxides Chemical class 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 175
- 239000012044 organic layer Substances 0.000 abstract description 25
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 description 14
- 230000005525 hole transport Effects 0.000 description 11
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 125000005605 benzo group Chemical group 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 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 3
- 238000005477 sputtering target Methods 0.000 description 3
- 238000002207 thermal evaporation Methods 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000007735 ion beam assisted deposition Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 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 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 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
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- 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
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- 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
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1011—Condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
-
- 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
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
-
- 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
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3031—Two-side emission, e.g. transparent OLEDs [TOLED]
-
- 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
- H10K2102/301—Details of OLEDs
- H10K2102/321—Inverted OLED, i.e. having cathode between substrate and anode
-
- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
-
- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (15)
- 기판, 제1 전극, 2층 이상으로 이루어진 유기물층 및 제2 전극을 순차적으로 적층된 형태로 포함하는 유기 발광 소자에 있어서, 상기 유기물층은 발광층을 포함하고, 상기 유기물층 중 제2 전극과 접하는 유기물층은 금속산화물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 금속산화물은 MoO3, WO3 및 V2O5로 이루어진 군으로부터 선택된 하나 이상을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 금속산화물은 제2 전극과 접하는 유기물층 중 1wt.% 이상 100wt.% 미만의 농도로 포함되는 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 유기 발광 소자는 전면 발광 소자 또는 양면 발광 소자인 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 제2 전극은 전하 또는 높은 운동 에너지를 갖는 입자를 동반함으로써 금속 산화물을 포함하는 유기물층의 부재하에서는 유기물층에 손상을 줄 수 있는 박막 형성 기술에 의하여 형성된 것을 특징으로 하는 유기 발광 소자.
- 청구항 5에 있어서, 상기 박막 형성 기술은 스퍼터링, 레이저를 이용한 물리적 증착방법, 이온빔을 이용한 증착방법으로 이루어진 군에서 선택되는 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 제1 전극은 음극이고, 상기 제2 전극은 양극이며, 상기 소자는 기판 상에 음극을 먼저 형성한 후, 이 음극 위에 2층 이상의 유기물층 및 양극을 순차적으로 형성하여 제조된 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 제2 전극은 일 함수가 2~6 eV 사이의 금속 또는 전도성 산화막으로 이루어진 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 제2 전극은 ITO(Indium tin Oxide) 또는 IZO(Indium Zinc Oxide)로 이루어진 것을 특징으로 하는 유기 발광 소자.
- 청구항 1에 있어서, 상기 제2 전극과 접하는 유기물층은 정공주입층인 것을 특징으로 하는 유기 발광 소자.
- 청구항 10에 있어서, 상기 제2 전극과 접하는 유기물층은 하기 화학식 1로 표시되는 화합물을 하나 이상 포함하는 것을 특징으로 하는 유기 발광 소자.[화학식 1]상기 화학식 1에 있어서,R1 내지 R6는 각각 수소, 할로겐 원자, 니트릴(-CN), 니트로(-NO2), 술포닐(-SO2R), 술폭사이드(-SOR), 술폰아미드(-SO2NR), 술포네이트(-SO3R), 트리플루오로메틸(-CF3), 에스테르(-COOR), 아미드(-CONHR 또는 -CONRR'), 치환 또는 비치환된 직쇄 또는 분지쇄의 C1-C12 알콕시, 치환 또는 비치환된 직쇄 또는 분지쇄 C1-C12의 알킬, 치환 또는 비치환된 방향족 또는 비방향족의 이형 고리, 치환 또는 비치환된 아릴, 치환 또는 비치환된 모노- 또는 디-아릴아민, 및 치환 또는 비치환된 아랄킬아민으로 구성된 군에서 선택되며, 상기 R 및 R'는 각각 치환 또는 비치환된 C1-C60의 알킬, 치환 또는 비치환된 아릴 및 치환 또는 비치환의 5-7원 이형고리로 이루어진 군에서 선택된다.
- 청구항 1에 있어서, 상기 제2 전극과 접하는 유기물층의 두께는 20 ㎚ 이상인 것을 특징으로 하는 유기 발광 소자.
- 기판 상에 제1 전극, 2층 이상으로 이루어진 유기물층 및 제2 전극을 순차적으로 적층하여 형성하는 단계를 포함하는 유기 발광 소자의 제작 방법에 있어서, 상기 유기물층 중 1층을 발광층으로 형성하고, 상기 유기물층 중 제2 전극과 접하는 유기물층을 유기물에 금속 산화물을 도핑하여 형성하는 것을 특징으로 하는 유기 발광 소자의 제작 방법.
- 청구항 14에 있어서, 상기 제2 전극은 전하 또는 높은 운동 에너지를 갖는 입자를 동반함으로써 금속 산화물을 포함하는 유기물층의 부재하에서는 유기물층에 손상을 줄 수 있는 박막 형성 기술에 의하여 형성하는 것을 특징으로 하는 유기 발광 소자의 제작 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20080007004 | 2008-01-23 | ||
KR1020080007004 | 2008-01-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090081347A true KR20090081347A (ko) | 2009-07-28 |
KR101003232B1 KR101003232B1 (ko) | 2010-12-21 |
Family
ID=40901559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090006333A KR101003232B1 (ko) | 2008-01-23 | 2009-01-23 | 유기 발광 소자 및 이의 제작 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110043102A1 (ko) |
JP (1) | JP5603254B2 (ko) |
KR (1) | KR101003232B1 (ko) |
CN (2) | CN103996793A (ko) |
WO (1) | WO2009093873A2 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9035288B2 (en) | 2012-11-20 | 2015-05-19 | Samsung Display Co., Ltd. | Organic light emitting diode and organic light emitting display |
US9450200B2 (en) | 2012-11-20 | 2016-09-20 | Samsung Display Co., Ltd. | Organic light emitting diode |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8963132B2 (en) * | 2010-03-25 | 2015-02-24 | Universal Display Corporation | Solution processable doped triarylamine hole injection materials |
KR20130032675A (ko) * | 2011-09-23 | 2013-04-02 | 삼성디스플레이 주식회사 | 듀얼 모드 유기발광소자 및 이를 포함하는 화소 회로 |
KR101301730B1 (ko) * | 2011-09-28 | 2013-08-30 | 율촌화학 주식회사 | 최소 적층 구조의 청색 인광 유기 발광소자 |
JP6158316B2 (ja) * | 2012-05-25 | 2017-07-05 | エルジー ディスプレイ カンパニー リミテッド | 有機発光素子及びその製造方法 |
KR102370715B1 (ko) * | 2014-12-29 | 2022-03-07 | 엘지디스플레이 주식회사 | 양자점을 포함하는 유기발광 다이오드 표시장치 |
CN105355798A (zh) * | 2015-11-25 | 2016-02-24 | 京东方科技集团股份有限公司 | 有机电致发光器件及其制作方法、显示装置 |
US20190064558A1 (en) * | 2017-08-30 | 2019-02-28 | Wuhan China Star Optoelectronics Semiconductor Dis play Technology Co., Ltd. | Liquid Crystal Display Assembly and Method for Manufacturing Same |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3189480B2 (ja) * | 1993-04-02 | 2001-07-16 | 富士電機株式会社 | 有機薄膜発光素子 |
JP2824411B2 (ja) * | 1995-08-25 | 1998-11-11 | 株式会社豊田中央研究所 | 有機薄膜発光素子 |
JPH11307259A (ja) * | 1998-04-23 | 1999-11-05 | Tdk Corp | 有機el素子 |
AU1111200A (en) * | 1998-10-14 | 2000-05-01 | Uniax Corporation | Thin metal-oxide layer as stable electron-injecting electrode for light emittingdiodes |
KR100377321B1 (ko) * | 1999-12-31 | 2003-03-26 | 주식회사 엘지화학 | 피-형 반도체 성질을 갖는 유기 화합물을 포함하는 전기소자 |
US7560175B2 (en) * | 1999-12-31 | 2009-07-14 | Lg Chem, Ltd. | Electroluminescent devices with low work function anode |
CN100397678C (zh) * | 2000-12-26 | 2008-06-25 | Lg化学株式会社 | 包含具有p-型半导体特性的有机化合物的电子器件 |
KR100515827B1 (ko) * | 2002-10-28 | 2005-09-21 | 삼성에스디아이 주식회사 | 유기 전계 발광소자 |
JP4624653B2 (ja) * | 2003-05-20 | 2011-02-02 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子及び表示装置 |
KR20050015902A (ko) * | 2003-08-14 | 2005-02-21 | 엘지전자 주식회사 | 유기 el 소자 및 그 제조방법 |
EP1521316B1 (en) * | 2003-10-03 | 2016-05-25 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of a light emitting element |
JP4813031B2 (ja) * | 2003-10-03 | 2011-11-09 | 株式会社半導体エネルギー研究所 | 発光素子およびその作製方法、並びにその発光素子を用いた発光装置、照明機器 |
JP4476594B2 (ja) * | 2003-10-17 | 2010-06-09 | 淳二 城戸 | 有機エレクトロルミネッセント素子 |
WO2005086538A1 (ja) * | 2004-03-05 | 2005-09-15 | Idemitsu Kosan Co., Ltd. | 有機エレクトロルミネッセンス素子及び有機エレクトロルミネッセンス表示装置 |
JP2005251639A (ja) * | 2004-03-05 | 2005-09-15 | Idemitsu Kosan Co Ltd | 有機el素子及び有機el表示装置 |
JP4925569B2 (ja) * | 2004-07-08 | 2012-04-25 | ローム株式会社 | 有機エレクトロルミネッセント素子 |
JP2008510312A (ja) * | 2004-08-19 | 2008-04-03 | エルジー・ケム・リミテッド | バッファ層を含む有機発光素子およびその製作方法 |
CN100539241C (zh) * | 2004-09-30 | 2009-09-09 | 株式会社半导体能源研究所 | 发光元件和使用该发光元件的显示器件 |
JP2006216924A (ja) * | 2005-01-07 | 2006-08-17 | Toyota Industries Corp | 有機エレクトロルミネッセンス素子及びその製造方法 |
KR100741098B1 (ko) * | 2005-12-20 | 2007-07-19 | 삼성에스디아이 주식회사 | 유기 발광 표시 소자 및 이의 제조방법 |
-
2009
- 2009-01-23 CN CN201410242794.2A patent/CN103996793A/zh active Pending
- 2009-01-23 KR KR1020090006333A patent/KR101003232B1/ko active IP Right Grant
- 2009-01-23 US US12/864,209 patent/US20110043102A1/en not_active Abandoned
- 2009-01-23 JP JP2010544230A patent/JP5603254B2/ja active Active
- 2009-01-23 WO PCT/KR2009/000377 patent/WO2009093873A2/ko active Application Filing
- 2009-01-23 CN CN200980104664XA patent/CN101940065A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9035288B2 (en) | 2012-11-20 | 2015-05-19 | Samsung Display Co., Ltd. | Organic light emitting diode and organic light emitting display |
US9450200B2 (en) | 2012-11-20 | 2016-09-20 | Samsung Display Co., Ltd. | Organic light emitting diode |
Also Published As
Publication number | Publication date |
---|---|
WO2009093873A2 (ko) | 2009-07-30 |
WO2009093873A3 (ko) | 2009-10-29 |
JP5603254B2 (ja) | 2014-10-08 |
CN103996793A (zh) | 2014-08-20 |
CN101940065A (zh) | 2011-01-05 |
KR101003232B1 (ko) | 2010-12-21 |
JP2011510513A (ja) | 2011-03-31 |
US20110043102A1 (en) | 2011-02-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100718765B1 (ko) | 버퍼층을 포함하는 유기 발광 소자 및 이의 제작 방법 | |
KR100890862B1 (ko) | 유기 발광 소자 및 이의 제조 방법 | |
KR101003232B1 (ko) | 유기 발광 소자 및 이의 제작 방법 | |
KR101069520B1 (ko) | 유기발광소자 및 이의 제조방법 | |
JP4951626B2 (ja) | 有機成分 | |
JP4596976B2 (ja) | 有機発光表示装置 | |
KR20060042945A (ko) | 유기 발광 표시 장치 | |
WO2009139275A1 (ja) | 有機el素子 | |
TW201041440A (en) | Organic EL element having cathode buffer layer | |
US20120007064A1 (en) | Organic electroluminescent device and method for preparing the same | |
TW201038123A (en) | Organic electroluminescent element and manufacturing method thereof | |
KR20100117749A (ko) | 유기 발광 다이오드 및 그 제조 방법 | |
CN111341923A (zh) | 一种有机电致发光二极管及其制备方法 | |
WO2022143882A1 (zh) | 一种量子点发光二极管及其制备方法 | |
KR100565587B1 (ko) | 유기 전계 발광 소자 및 그의 제조방법 | |
CN114695705A (zh) | 一种量子点发光二极管及其制备方法 | |
CN114695704A (zh) | 一种量子点发光二极管及其制备方法 | |
CN114695714A (zh) | 一种量子点发光二极管及其制备方法 | |
CN114695703A (zh) | 一种量子点发光二极管及其制备方法 | |
Park et al. | P‐128: High‐Efficiency Hybrid Buffer Layer in Inverted Top‐Emitting Organic Light‐Emitting Diodes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20131018 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20141017 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20150923 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20161118 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20171116 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20181114 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20191113 Year of fee payment: 10 |