JP2006316280A - 電界発光素子用材料 - Google Patents
電界発光素子用材料 Download PDFInfo
- Publication number
- JP2006316280A JP2006316280A JP2006167225A JP2006167225A JP2006316280A JP 2006316280 A JP2006316280 A JP 2006316280A JP 2006167225 A JP2006167225 A JP 2006167225A JP 2006167225 A JP2006167225 A JP 2006167225A JP 2006316280 A JP2006316280 A JP 2006316280A
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- JP
- Japan
- Prior art keywords
- light emitting
- layer
- emitting layer
- electroluminescent element
- organic
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims description 35
- -1 amino compound Chemical class 0.000 claims abstract description 66
- 125000001424 substituent group Chemical group 0.000 claims abstract description 10
- 125000005647 linker group Chemical group 0.000 claims abstract description 7
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 125000000732 arylene group Chemical group 0.000 claims abstract description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 abstract description 31
- 150000002894 organic compounds Chemical class 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 94
- 229910052757 nitrogen Inorganic materials 0.000 description 30
- 239000000243 solution Substances 0.000 description 20
- 239000010409 thin film Substances 0.000 description 18
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 15
- 238000002347 injection Methods 0.000 description 15
- 239000007924 injection Substances 0.000 description 15
- 238000007740 vapor deposition Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- 239000011521 glass Substances 0.000 description 10
- 230000005525 hole transport Effects 0.000 description 10
- 238000004528 spin coating Methods 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000000975 dye Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- PBWKHJKVLUGQON-UHFFFAOYSA-N 2-(4-tert-butylphenyl)-5-phenyl-1,3,4-oxadiazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C1=NN=C(C=2C=CC=CC=2)O1 PBWKHJKVLUGQON-UHFFFAOYSA-N 0.000 description 3
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 3
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 3
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- 238000003618 dip coating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 3
- 150000002366 halogen compounds Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000007787 solid Substances 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
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- BPIUIOXAFBGMNB-UHFFFAOYSA-N 1-hexoxyhexane Chemical compound CCCCCCOCCCCCC BPIUIOXAFBGMNB-UHFFFAOYSA-N 0.000 description 2
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000005749 Copper compound Substances 0.000 description 2
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 2
- 229910021595 Copper(I) iodide Inorganic materials 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 150000001880 copper compounds Chemical class 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 2
- GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical compound C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 2
- 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 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 238000006862 quantum yield reaction Methods 0.000 description 2
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 2
- 235000021286 stilbenes Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003623 transition metal compounds Chemical class 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 125000005259 triarylamine group Chemical group 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LXVOEIQSRUCJFV-UHFFFAOYSA-N 1,3-benzothiazole;1,4-diethynylbenzene Chemical compound C1=CC=C2SC=NC2=C1.C1=CC=C2SC=NC2=C1.C#CC1=CC=C(C#C)C=C1 LXVOEIQSRUCJFV-UHFFFAOYSA-N 0.000 description 1
- KLCLIOISYBHYDZ-UHFFFAOYSA-N 1,4,4-triphenylbuta-1,3-dienylbenzene Chemical compound C=1C=CC=CC=1C(C=1C=CC=CC=1)=CC=C(C=1C=CC=CC=1)C1=CC=CC=C1 KLCLIOISYBHYDZ-UHFFFAOYSA-N 0.000 description 1
- LFMWZTSOMGDDJU-UHFFFAOYSA-N 1,4-diiodobenzene Chemical compound IC1=CC=C(I)C=C1 LFMWZTSOMGDDJU-UHFFFAOYSA-N 0.000 description 1
- GPYDMVZCPRONLW-UHFFFAOYSA-N 1-iodo-4-(4-iodophenyl)benzene Chemical group C1=CC(I)=CC=C1C1=CC=C(I)C=C1 GPYDMVZCPRONLW-UHFFFAOYSA-N 0.000 description 1
- CNVJJHKQIXYHCJ-UHFFFAOYSA-N 2-(4-tert-butylphenyl)-3,5-diphenyl-2H-1,3,4-oxadiazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C1N(C=2C=CC=CC=2)N=C(C=2C=CC=CC=2)O1 CNVJJHKQIXYHCJ-UHFFFAOYSA-N 0.000 description 1
- PXMXBAVBERHHTA-UHFFFAOYSA-N 2-(4-tert-butylphenyl)-5-(2-phenylphenyl)-1,3,4-oxadiazole Chemical group C1=CC(C(C)(C)C)=CC=C1C1=NN=C(C=2C(=CC=CC=2)C=2C=CC=CC=2)O1 PXMXBAVBERHHTA-UHFFFAOYSA-N 0.000 description 1
- KKUWGQOOWSKPLT-UHFFFAOYSA-N 2-(4-tert-butylphenyl)-5-naphthalen-1-yl-1,3,4-oxadiazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C1=NN=C(C=2C3=CC=CC=C3C=CC=2)O1 KKUWGQOOWSKPLT-UHFFFAOYSA-N 0.000 description 1
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- MGADZUXDNSDTHW-UHFFFAOYSA-N 2H-pyran Chemical compound C1OC=CC=C1 MGADZUXDNSDTHW-UHFFFAOYSA-N 0.000 description 1
- CAAMSDWKXXPUJR-UHFFFAOYSA-N 3,5-dihydro-4H-imidazol-4-one Chemical compound O=C1CNC=N1 CAAMSDWKXXPUJR-UHFFFAOYSA-N 0.000 description 1
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 description 1
- XJYWOYRBUISMBM-UHFFFAOYSA-N 3-(4-tert-butylphenyl)-4,5-diphenyl-1,2,4-triazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C(N1C=2C=CC=CC=2)=NN=C1C1=CC=CC=C1 XJYWOYRBUISMBM-UHFFFAOYSA-N 0.000 description 1
- ZVFQEOPUXVPSLB-UHFFFAOYSA-N 3-(4-tert-butylphenyl)-4-phenyl-5-(4-phenylphenyl)-1,2,4-triazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C(N1C=2C=CC=CC=2)=NN=C1C1=CC=C(C=2C=CC=CC=2)C=C1 ZVFQEOPUXVPSLB-UHFFFAOYSA-N 0.000 description 1
- CCGYIVMDUOVUEG-UHFFFAOYSA-N 3-(4-tert-butylphenyl)-5-naphthalen-1-yl-4-phenyl-1,2,4-triazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C(N1C=2C=CC=CC=2)=NN=C1C1=CC=CC2=CC=CC=C12 CCGYIVMDUOVUEG-UHFFFAOYSA-N 0.000 description 1
- OAIASDHEWOTKFL-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(4-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=C(C)C=CC=1)C1=CC=CC=C1 OAIASDHEWOTKFL-UHFFFAOYSA-N 0.000 description 1
- CMSGUKVDXXTJDQ-UHFFFAOYSA-N 4-(2-naphthalen-1-ylethylamino)-4-oxobutanoic acid Chemical compound C1=CC=C2C(CCNC(=O)CCC(=O)O)=CC=CC2=C1 CMSGUKVDXXTJDQ-UHFFFAOYSA-N 0.000 description 1
- FDRNXKXKFNHNCA-UHFFFAOYSA-N 4-(4-anilinophenyl)-n-phenylaniline Chemical compound C=1C=C(C=2C=CC(NC=3C=CC=CC=3)=CC=2)C=CC=1NC1=CC=CC=C1 FDRNXKXKFNHNCA-UHFFFAOYSA-N 0.000 description 1
- UYEBVQUTQHTYOU-UHFFFAOYSA-N 5-methyl-2-[4-[2-(5-methyl-1,3-benzoxazol-2-yl)ethenyl]phenyl]-1,3-benzoxazole Chemical compound CC1=CC=C2OC(C3=CC=C(C=C3)C=CC=3OC4=CC=C(C=C4N=3)C)=NC2=C1 UYEBVQUTQHTYOU-UHFFFAOYSA-N 0.000 description 1
- XPLXHDHGYSONMX-UHFFFAOYSA-N 5-methyl-2-[5-(5-methyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole Chemical compound CC1=CC=C2OC(C3=CC=C(S3)C=3OC4=CC=C(C=C4N=3)C)=NC2=C1 XPLXHDHGYSONMX-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- CQTPRVJDDLSZBU-UHFFFAOYSA-N C1(=CC=CC=C1)N1N=C(OC1C1=CC=C(C=C1)C(C)(C)C)C1=C(C=CC=C1)C1=CC=CC=C1 Chemical group C1(=CC=CC=C1)N1N=C(OC1C1=CC=C(C=C1)C(C)(C)C)C1=C(C=CC=C1)C1=CC=CC=C1 CQTPRVJDDLSZBU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910021590 Copper(II) bromide Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- WRYCSMQKUKOKBP-UHFFFAOYSA-N Imidazolidine Chemical compound C1CNCN1 WRYCSMQKUKOKBP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- UTGQNNCQYDRXCH-UHFFFAOYSA-N N,N'-diphenyl-1,4-phenylenediamine Chemical compound C=1C=C(NC=2C=CC=CC=2)C=CC=1NC1=CC=CC=C1 UTGQNNCQYDRXCH-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000006887 Ullmann reaction Methods 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- NTRBURYSRIHYAZ-UHFFFAOYSA-N [O-2].[Al+3].CC1=NC2=C(C=CC=C2C=C1)O.CC1=NC2=C(C=CC=C2C=C1)O.[O-2].[O-2].[Al+3] Chemical compound [O-2].[Al+3].CC1=NC2=C(C=CC=C2C=C1)O.CC1=NC2=C(C=CC=C2C=C1)O.[O-2].[O-2].[Al+3] NTRBURYSRIHYAZ-UHFFFAOYSA-N 0.000 description 1
- UMRSVAKGZBVPKD-UHFFFAOYSA-N acetic acid;copper Chemical compound [Cu].CC(O)=O UMRSVAKGZBVPKD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
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Images
Abstract
【解決手段】一対の電極間に発光層または発光層を含む複数層の有機化合物薄層を備えた電界発光素子において少なくとも一層が下記一般式(I)で示される高分子アミノ化合物を含有することを特徴とする電界発光素子;
【化1】
(式中、Ar1およびAr3は、それぞれ独立して、置換基を有してもよいアリーレン基を表わし、Ar1およびAr3はそれぞれ結合基を介して結合していてもよい;Ar2およびAr4は、それぞれ独立して、置換基を有してもよいアリール基または複素環基を表わす;lは0〜2の整数を表す;mは0〜2の整数を表すl、mが同時に0となる場合を除く;nは自然数を表す)。
【選択図】なし
Description
また、有機電界発光素子を長時間発光させるためにはより低電圧で低電流密度で発光させることが必要となってくる。
これは、一般式(I)で表される高分子アミノ化合物が高い正孔輸送性を持ち、固体での蛍光の量子収率が高いためであると考えられる。
これは、特定の高分子アミノ化合物が高い正孔輸送性を持ち、固体での蛍光の量子収率が高いためであると考えられる。
N,N’−ジフェニル−1,4−フェニレンジアミン13.0g(50mmol)をジヘキシルエーテル250mlに溶解させ、その溶液に100mmolのブチルリチウムのヘキサン溶液をゆっくりと滴下した。その後、110℃で2時間撹拌させた後、16.5g(50mmol)の1,4−ジヨードベンゼンと0.48g(25mmol)のヨウ化銅を加え、200℃で16時間反応させた。
N,N’−ジフェニルベンジジン16.8g(50mmol)をジヘキシルエーテル250mlに溶解させ、その溶液に100mmolのブチルリチウムのヘキサン溶液をゆっくりと滴下した。その後、110℃で2時間撹拌させた後、19.3g(50mmol)の4,4’−ジヨードビフェニルと0.48g(25mmol)のヨウ化銅を加え、200℃で24時間反応させた。
インジウムスズ酸化物被覆ガラスの基板上に有機ホール注入輸送層として高分子アミノ化合物(1)のジクロルメタン溶液をスピンコート法により厚さ50nmの薄膜を形成した。
実施例1において、高分子アミノ化合物(1)を使用する代わりに、高分子アミノ化合物(2)、(3)、(4)に代えること以外は実施例1と全く同様にして有機電界発光素子を作製した。
インジウムスズ酸化物被覆ガラスの基板上に有機正孔注入輸送層として高分子アミノ化合物(7)のジクロルメタン溶液をスピンコート法により厚さ70nmの薄膜を形成した。
実施例5において、高分子アミノ化合物(7)を使用する代わりに、高分子アミノ化合物(8)、(9)、(10)に代えること以外は実施例5と全く同様にして有機電界発光素子を作製した。
インジウムスズ酸化物被覆ガラスの基板上に発光層として高分子アミノ化合物(11)のジクロルメタン溶液をスピンコート法により厚さ50nmの薄膜を形成した。
次に、有機電子注入輸送層としてオキサジアゾール化合物(A)を蒸着により20nmの厚さになるように薄膜を形成した。
最後に、陰極として10:1の原子比のMgおよびAgを蒸着により200nmの厚さになるように薄膜を形成した。このようにして、有機電界発光素子を作製した。
インジウムスズ酸化物被覆ガラスの基板上に有機正孔注入輸送層として高分子アミノ化合物(13)のジクロルメタン溶液をスピンコート法により厚さ20nmの薄膜を形成した。
さらに、N,N’−ジフェニル−N,N’−(3−メチルフェニル)−1,1’−ビフェニル−4,4’−ジアミンを真空蒸着して、膜厚40nmの正孔輸送層を得た。
次に、トリス(8−ヒドロキシキノリン)アルミニウム錯体を蒸着により50nmの厚さになるように薄膜を形成した。
最後に、陰極として10:1の原子比のMgおよびAgを蒸着により200nmの厚さになるように薄膜を形成した。このようにして、有機電界発光素子を作製した。
インジウムスズ酸化物被覆ガラスの基板上に高分子アミノ化合物(14)をジクロルメタンに溶解させ、スピンコーティングにより膜厚50nmの正孔注入層を得た。
次に、トリス(8−ヒドロキシキノリン)アルミニウム錯体を蒸着により20nmの厚さになるように発光層を形成した。
さらに真空蒸着法によりオキサジアゾール化合物(A)の膜厚20nmの電子注入層を得た。
最後に、陰極として10:1の原子比のMgおよびAgを蒸着により200nmの厚さになるように薄膜を形成した。このようにして、有機電界発光素子を作製した。
実施例11において、高分子アミノ化合物(14)を使用する代わりに、高分子アミノ化合物(18)、(19)、(21)に代えること以外は実施例12と全く同様にして有機電界発光素子を作製した。
インジウムスズ酸化物被覆ガラスの基板上に高分子アミノ化合物(24)、トリス(8−ヒドロキシキノリン)アルミニウム錯体を3:2の比率でテトラヒドロフランに溶解させ、スピンコーティング法により膜厚100nmの発光層を得た。
次に、陰極として10:1の原子比のMgおよびAgを蒸着により200nmの厚さになるように薄膜を形成した。このようにして、有機電界発光素子を作製した。
実施例15において、高分子アミノ化合物(24)を使用する代わりに、高分子アミノ化合物(29 )、(31)、(36)に代えること以外は実施例15と全く同様にして有機電界発光素子を作製した。
実施例1〜18で得られた電界発光素子を、そのガラス電極を陽極として、直流電圧を除々に電圧を印加した時に発光を開始する電圧および、最高発光輝度とその時の電圧を測定した。結果を表1にまとめて示す。
また、実施例1で得られた素子を、窒素ガス不活性雰囲気下で初期6Vで連続発光させて、その発光輝度の半減期(輝度が半分になるまでの時間)を測定したところ200時間であった。
2:正孔注入輸送層
3:有機発光層
4:陰極
5:電子注入輸送層
6:有機発光材料
7:電荷輸送材料
8:リード線
Claims (1)
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JP2008223012A (ja) * | 2007-02-13 | 2008-09-25 | Mitsubishi Chemicals Corp | 高分子化合物、有機電界発光素子材料、有機電界発光素子用組成物および有機電界発光素子 |
JP2010189454A (ja) * | 2009-02-13 | 2010-09-02 | Mitsubishi Chemicals Corp | 共役ポリマー、ポリマー組成物、電荷輸送材料、有機電界発光素子、有機elディスプレイ及び有機el照明 |
WO2010119891A1 (ja) * | 2009-04-14 | 2010-10-21 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス素子 |
JP2012007022A (ja) * | 2010-06-22 | 2012-01-12 | Tosoh Corp | 新規トリアリールアミンポリマー、その製造方法およびその用途 |
JP2012177029A (ja) * | 2011-02-25 | 2012-09-13 | Mitsubishi Chemicals Corp | 重合体、有機電界発光素子材料、有機電界発光素子用組成物、有機電界発光素子、有機el表示装置及び有機el照明 |
CN114039003A (zh) * | 2020-12-21 | 2022-02-11 | 广东聚华印刷显示技术有限公司 | 复合材料及电致发光器件 |
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JP2008223012A (ja) * | 2007-02-13 | 2008-09-25 | Mitsubishi Chemicals Corp | 高分子化合物、有機電界発光素子材料、有機電界発光素子用組成物および有機電界発光素子 |
JP2010189454A (ja) * | 2009-02-13 | 2010-09-02 | Mitsubishi Chemicals Corp | 共役ポリマー、ポリマー組成物、電荷輸送材料、有機電界発光素子、有機elディスプレイ及び有機el照明 |
WO2010119891A1 (ja) * | 2009-04-14 | 2010-10-21 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス素子 |
JPWO2010119891A1 (ja) * | 2009-04-14 | 2012-10-22 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス素子 |
JP5561272B2 (ja) * | 2009-04-14 | 2014-07-30 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子 |
US8980443B2 (en) | 2009-04-14 | 2015-03-17 | Konica Minolta Holdings, Inc. | Organic electroluminescent element |
JP2012007022A (ja) * | 2010-06-22 | 2012-01-12 | Tosoh Corp | 新規トリアリールアミンポリマー、その製造方法およびその用途 |
JP2012177029A (ja) * | 2011-02-25 | 2012-09-13 | Mitsubishi Chemicals Corp | 重合体、有機電界発光素子材料、有機電界発光素子用組成物、有機電界発光素子、有機el表示装置及び有機el照明 |
CN114039003A (zh) * | 2020-12-21 | 2022-02-11 | 广东聚华印刷显示技术有限公司 | 复合材料及电致发光器件 |
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