JP4804196B2 - 有機電界発光素子及び発光装置 - Google Patents
有機電界発光素子及び発光装置 Download PDFInfo
- Publication number
- JP4804196B2 JP4804196B2 JP2006097177A JP2006097177A JP4804196B2 JP 4804196 B2 JP4804196 B2 JP 4804196B2 JP 2006097177 A JP2006097177 A JP 2006097177A JP 2006097177 A JP2006097177 A JP 2006097177A JP 4804196 B2 JP4804196 B2 JP 4804196B2
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- JP
- Japan
- Prior art keywords
- organic electroluminescent
- layer
- cesium
- light emitting
- peak
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052792 caesium Inorganic materials 0.000 claims description 46
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 46
- 150000002894 organic compounds Chemical class 0.000 claims description 16
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005401 electroluminescence Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 description 63
- 238000000034 method Methods 0.000 description 35
- 238000002347 injection Methods 0.000 description 33
- 239000007924 injection Substances 0.000 description 33
- 239000000758 substrate Substances 0.000 description 26
- 239000011521 glass Substances 0.000 description 20
- 229910052804 chromium Inorganic materials 0.000 description 16
- 239000011651 chromium Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 15
- 239000010931 gold Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 229910052737 gold Inorganic materials 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 13
- 230000005525 hole transport Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- -1 cesium compound Chemical class 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 238000001275 scanning Auger electron spectroscopy Methods 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000003384 small molecules Chemical class 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Natural products CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- 238000005019 vapor deposition process Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 150000004866 oxadiazoles Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920001197 polyacetylene Polymers 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 229920000123 polythiophene Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000001771 vacuum deposition Methods 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
- TYHJXGDMRRJCRY-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) tin(4+) Chemical compound [O-2].[Zn+2].[Sn+4].[In+3] TYHJXGDMRRJCRY-UHFFFAOYSA-N 0.000 description 2
- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical class O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 description 1
- QWNCDHYYJATYOG-UHFFFAOYSA-N 2-phenylquinoxaline Chemical class C1=CC=CC=C1C1=CN=C(C=CC=C2)C2=N1 QWNCDHYYJATYOG-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Chemical class 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 1
- 229910001942 caesium oxide Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920000547 conjugated polymer Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000005678 ethenylene group Chemical class [H]C([*:1])=C([H])[*:2] 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- DCZNSJVFOQPSRV-UHFFFAOYSA-N n,n-diphenyl-4-[4-(n-phenylanilino)phenyl]aniline Chemical class C1=CC=CC=C1N(C=1C=CC(=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 DCZNSJVFOQPSRV-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920000553 poly(phenylenevinylene) Chemical class 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 150000003967 siloles Chemical class 0.000 description 1
- 238000002174 soft lithography Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
Landscapes
- Electroluminescent Light Sources (AREA)
Description
図4は本実施例で製造した有機電界発光素子を示す断面模式図である。
発光層5:E−1を成膜速度0.30nm/sec以上0.32nm/sec以下で膜厚30nm
電子輸送層6:E−2を成膜速度0.30nm/sec以上0.32nm/sec以下で膜厚30nm
変化率 6.8%
電子注入層7を成膜する際に、1.0Lの酸素導入下で成膜する以外は実施例1と同様の手法により有機電界発光素子を製造する。
変化率 15.0%
電子注入層7を成膜する際に、酸素を導入しないで成膜する以外は実施例1と同様の手法により有機電界発光素子を製造する。
変化率 54.0%
図5は本実施例で製造した有機電界発光素子を示す断面模式図である。
変化率 9.8%
金属セシウムディスペンサーを抵抗加熱により真空蒸着する際に、3.0Lの酸素導入下で電子輸送層6を成膜する以外は実施例2と同様の手法により有機電界発光素子を製造する。
変化率 13.4%
図4は本実施例で製造した有機電界発光素子を示す断面模式図である。
変化率 9.7%
金属セシウムディスペンサーを抵抗加熱により真空蒸着する際に、0.3Lの酸素導入下で電子注入層7を成膜する以外は実施例3と同様の手法により有機電界発光素子を製造する。
変化率 5.3%
金属セシウムディスペンサーを抵抗加熱により真空蒸着する際に、0.1Lの酸素導入下で電子注入層7を成膜する以外は実施例3と同様の手法により有機電界発光素子を製造する。
変化率 8.1%
金属セシウムディスペンサーを抵抗加熱により真空蒸着する際に、0.05Lの酸素導入下で電子注入層7を成膜する以外は実施例3と同様の手法により有機電界発光素子を製造する。
変化率 32.0%
金属セシウムディスペンサーを抵抗加熱により真空蒸着する際に、1.0Lの酸素導入下で電子注入層7を成膜する以外は実施例3と同様の手法により有機電界発光素子を製造する。
変化率 18.0%
2 陽極
3 ホール注入層
4 ホール輸送層
5 発光層
6 電子輸送層
7 電子注入層
8 セシウムサブオキサイド層
9 陰極
Claims (9)
- 陽極及び陰極からなる一対の電極と、該一対の電極間に備えられている一層または複数層の有機化合物層とから少なくとも構成されている発光素子であって、X線光電子分光法により測定されるCs3d5軌道に相応する結合エネルギー726.0eV±0.5eVのピークAとO1s軌道に相応する結合エネルギー531.0eV±0.5eVのピークBの面積比から算出される元素比率A/Bが3.1乃至7.3の範囲内にあるセシウムサブオキサイドを含むことを特徴とする有機電界発光素子。
- 前記元素比率A/Bが3.1乃至4.2の範囲内にあることを特徴とする請求項1記載の有機電界発光素子。
- 前記セシウムサブオキサイドが前記有機化合物層の少なくとも一層以上に含まれることを特徴とする請求項1または2に記載の有機電界発光素子。
- 前記セシウムサブオキサイドが前記陰極と電気的に実質接している層に含まれることを特徴とする請求項1乃至3の何れかに記載の有機電界発光素子。
- 前記陰極が透明電極であることを特徴とする請求項1乃至4の何れかに記載の有機電界発光素子。
- 前記有機化合物層が低分子化合物であることを特徴とする請求項1乃至5の何れかに記載の有機電界発光素子。
- 少なくとも前記陰極側から光を取り出すことを特徴とする請求項1乃至6記載の有機電界発光素子。
- 請求項1乃至7の何れかに記載の有機電界発光素子を面内に複数有することを特徴とする発光装置。
- ディスプレイの情報表示部であることを特徴とする請求項8記載の発光装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006097177A JP4804196B2 (ja) | 2006-03-31 | 2006-03-31 | 有機電界発光素子及び発光装置 |
PCT/JP2007/054599 WO2007113984A1 (en) | 2006-03-31 | 2007-03-02 | Organic electroluminescence device and light emitting apparatus |
US11/993,083 US7851991B2 (en) | 2006-03-31 | 2007-03-02 | Organic electroluminescence device and light emitting apparatus |
CN200780000867A CN100580975C (zh) | 2006-03-31 | 2007-03-02 | 有机电致发光装置和发光设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006097177A JP4804196B2 (ja) | 2006-03-31 | 2006-03-31 | 有機電界発光素子及び発光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007273702A JP2007273702A (ja) | 2007-10-18 |
JP4804196B2 true JP4804196B2 (ja) | 2011-11-02 |
Family
ID=38563256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006097177A Expired - Fee Related JP4804196B2 (ja) | 2006-03-31 | 2006-03-31 | 有機電界発光素子及び発光装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7851991B2 (ja) |
JP (1) | JP4804196B2 (ja) |
CN (1) | CN100580975C (ja) |
WO (1) | WO2007113984A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4724585B2 (ja) | 2006-03-31 | 2011-07-13 | キヤノン株式会社 | 有機電界発光素子及び発光装置 |
US8115382B2 (en) * | 2007-09-20 | 2012-02-14 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, light-emitting device, and electronic device, comprising controlled carrier transport |
US8384283B2 (en) | 2007-09-20 | 2013-02-26 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, light-emitting device, and electronic device |
JP2010067718A (ja) * | 2008-09-09 | 2010-03-25 | Seiko Epson Corp | 有機エレクトロルミネッセンス装置、有機エレクトロルミネッセンス装置の製造方法、および電子機器 |
TW202339325A (zh) | 2013-08-09 | 2023-10-01 | 日商半導體能源研究所股份有限公司 | 發光元件、顯示模組、照明模組、發光裝置、顯示裝置、電子裝置、及照明裝置 |
CN113161459A (zh) * | 2021-02-25 | 2021-07-23 | 华灿光电(浙江)有限公司 | 图形化衬底、发光二极管外延片及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3529543B2 (ja) * | 1995-04-27 | 2004-05-24 | パイオニア株式会社 | 有機エレクトロルミネッセンス素子 |
JP4486713B2 (ja) | 1997-01-27 | 2010-06-23 | 淳二 城戸 | 有機エレクトロルミネッセント素子 |
JPH10270171A (ja) * | 1997-01-27 | 1998-10-09 | Junji Kido | 有機エレクトロルミネッセント素子 |
JP2000164361A (ja) * | 1998-11-25 | 2000-06-16 | Tdk Corp | 有機el素子 |
JP2004095491A (ja) * | 2002-09-04 | 2004-03-25 | Sony Corp | 表示素子 |
JP2004192842A (ja) | 2002-12-09 | 2004-07-08 | Sony Corp | 表示装置 |
JP2005293961A (ja) * | 2004-03-31 | 2005-10-20 | Tdk Corp | 有機el素子及びその製造方法 |
KR100672535B1 (ko) * | 2005-07-25 | 2007-01-24 | 엘지전자 주식회사 | 유기 el 소자 및 그 제조방법 |
-
2006
- 2006-03-31 JP JP2006097177A patent/JP4804196B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-02 US US11/993,083 patent/US7851991B2/en not_active Expired - Fee Related
- 2007-03-02 WO PCT/JP2007/054599 patent/WO2007113984A1/en active Application Filing
- 2007-03-02 CN CN200780000867A patent/CN100580975C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007273702A (ja) | 2007-10-18 |
CN101341607A (zh) | 2009-01-07 |
WO2007113984A1 (en) | 2007-10-11 |
US7851991B2 (en) | 2010-12-14 |
CN100580975C (zh) | 2010-01-13 |
US20100181898A1 (en) | 2010-07-22 |
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