JP4425028B2 - 有機エレクトロルミネッセンス素子 - Google Patents
有機エレクトロルミネッセンス素子 Download PDFInfo
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- JP4425028B2 JP4425028B2 JP2004065966A JP2004065966A JP4425028B2 JP 4425028 B2 JP4425028 B2 JP 4425028B2 JP 2004065966 A JP2004065966 A JP 2004065966A JP 2004065966 A JP2004065966 A JP 2004065966A JP 4425028 B2 JP4425028 B2 JP 4425028B2
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- complex
- organic
- light emitting
- binuclear
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- 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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- 238000005401 electroluminescence Methods 0.000 title claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- -1 hetero metal complex Chemical class 0.000 claims description 7
- 239000012044 organic layer Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 43
- 239000010410 layer Substances 0.000 description 26
- 229910052697 platinum Inorganic materials 0.000 description 19
- 239000003446 ligand Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- 150000004696 coordination complex Chemical class 0.000 description 13
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 6
- 230000003993 interaction Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 238000000295 emission spectrum Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 230000005525 hole transport Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 239000011521 glass Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000005424 photoluminescence Methods 0.000 description 3
- 238000006862 quantum yield reaction Methods 0.000 description 3
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 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 2
- 230000005281 excited state Effects 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000000103 photoluminescence spectrum Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- KXZSVYHFYHTNBI-UHFFFAOYSA-N 1h-quinoline-2-thione Chemical compound C1=CC=CC2=NC(S)=CC=C21 KXZSVYHFYHTNBI-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
- 150000005360 2-phenylpyridines Chemical class 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000004442 acylamino group Chemical group 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000005161 aryl oxy carbonyl group Chemical group 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000000707 boryl group Chemical group B* 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical group 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002503 iridium Chemical class 0.000 description 1
- 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 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- UBQKCCHYAOITMY-UHFFFAOYSA-M pyridin-2-olate Chemical compound [O-]C1=CC=CC=N1 UBQKCCHYAOITMY-UHFFFAOYSA-M 0.000 description 1
- WHMDPDGBKYUEMW-UHFFFAOYSA-N pyridine-2-thiol Chemical compound SC1=CC=CC=N1 WHMDPDGBKYUEMW-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
Description
日本化学会第83春季年会予稿集,第262頁(2003年3月18日〜21日発表) 錯体化学会・日本化学会主催第53回錯体化学討論会講演要旨集,第214頁(2003年9月24日〜26日発表)
上記一般式(1)において、X1及びX2は、例えば、ピリジン−2−チオールアニオン、キノリン−2−チオールアニオン、キノリン−8−チオールアニオン、2−ピリジノールアニオン、2−キノリノールアニオン及びこれらの誘導体からなる群より選択されるものが挙げられる。
<白金二核錯体〔Pt2(ppy)2(pyt)2〕の合成>
以下に示す合成スキームに従い、白金二核錯体〔Pt2(ppy)2(pyt)2〕を合成した。
合成例1において得られた白金二核錯体を発光材料として用い、有機EL素子を作製した。図1は、作製した有機EL素子の構造を模式的に示す断面図である。図1を参照して、ガラス基板1の上に、インジウム−スズ酸化物(ITO)からなるホール注入電極(陽極)2を形成し、この上にCuPc(銅フタロシアニン)からなるホール注入層3(厚み10nm)を形成し、さらにこの上にNPB(N,N′−ジ−1−ナフチル−N,N′−ジフェニルベンジジン)からなるホール輸送層4(厚み50nm)を形成した。このホール輸送層4の上に、上記の白金二核錯体〔Pt2(ppy)2(pyt)2〕からなる発光層5(厚み12nm)を形成した。発光層5の上に、BCP(2,9−ジメチル−4,7−ジフェニル−〔1,10〕フェナントロリン)からなるホール阻止層6(厚み10nm)及びAlq(トリス−(8−キノリナト)アルミニウム(III))からなる電子輸送層7(厚み40nm)を形成した。その上に、フッ化リチウム及びアルミニウムからなる電子注入電極(陰極)8(厚み200nm)を形成した。
実施例1において、BCPに代えて、BAlq(ビス(2−メチル−8−キノリノラト)−4−フェニルフェノラトアルミニウム(III))を用いてホール阻止層を形成する以外は、実施例1と同様にして素子を作製した。
実施例1において、実施例2と同様に、BCPに代えて、BAlqを用いてホール阻止層を形成し、さらに白金二核錯体〔Pt2(ppy)2(pyt)2〕に代えて、以下に示す構造を有する白金二核錯体〔Pt2(ptpy)2(pyt)2〕を用いて発光層を形成する以外は、実施例1と同様にして発光素子を作製した。
以下に示す構造を有する白金二核錯体を合成した。
2…ホール注入電極(陽極)
3…ホール注入層
4…ホール輸送層
5…発光層
6…ホール阻止層
7…電子輸送層
8…電子注入電極(陰極)
Claims (1)
- 一対の電極の間に配置された有機層を備える有機エレクトロルミネッセンス素子において、
前記有機層が、以下の化学式で表わされる複核金属錯体の中から選ばれる複素金属錯体を含むことを特徴とする有機エレクトロルミネッセンス素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004065966A JP4425028B2 (ja) | 2004-03-09 | 2004-03-09 | 有機エレクトロルミネッセンス素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004065966A JP4425028B2 (ja) | 2004-03-09 | 2004-03-09 | 有機エレクトロルミネッセンス素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005259377A JP2005259377A (ja) | 2005-09-22 |
JP4425028B2 true JP4425028B2 (ja) | 2010-03-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004065966A Expired - Lifetime JP4425028B2 (ja) | 2004-03-09 | 2004-03-09 | 有機エレクトロルミネッセンス素子 |
Country Status (1)
Country | Link |
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JP (1) | JP4425028B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2620430B1 (en) | 2010-09-21 | 2016-10-26 | Nagasaki University | Metal complex, light emitting element, and display device |
JP6027657B1 (ja) * | 2015-08-25 | 2016-11-16 | 田中貴金属工業株式会社 | 複核ルテニウム錯体からなる化学蒸着用原料及び該化学蒸着用原料を用いた化学蒸着法 |
US20190123288A1 (en) * | 2017-09-21 | 2019-04-25 | Universal Display Corporation | Organic electroluminescent materials and devices |
-
2004
- 2004-03-09 JP JP2004065966A patent/JP4425028B2/ja not_active Expired - Lifetime
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Publication number | Publication date |
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JP2005259377A (ja) | 2005-09-22 |
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