JP5377836B2 - ジアリールエテン系誘導体、これを使用して製造された有機電界発光素子及び該有機電界発光素子の製造方法 - Google Patents
ジアリールエテン系誘導体、これを使用して製造された有機電界発光素子及び該有機電界発光素子の製造方法 Download PDFInfo
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- JP5377836B2 JP5377836B2 JP2007127363A JP2007127363A JP5377836B2 JP 5377836 B2 JP5377836 B2 JP 5377836B2 JP 2007127363 A JP2007127363 A JP 2007127363A JP 2007127363 A JP2007127363 A JP 2007127363A JP 5377836 B2 JP5377836 B2 JP 5377836B2
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- JHYLKGDXMUDNEO-UHFFFAOYSA-N [Mg].[In] Chemical compound [Mg].[In] JHYLKGDXMUDNEO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- 125000003828 azulenyl group Chemical group 0.000 description 1
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 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
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Inorganic materials [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 1
- 125000005566 carbazolylene group Chemical group 0.000 description 1
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 description 1
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- 238000007697 cis-trans-isomerization reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 125000003336 coronenyl group Chemical group C1(=CC2=CC=C3C=CC4=CC=C5C=CC6=CC=C1C1=C6C5=C4C3=C21)* 0.000 description 1
- 125000005724 cycloalkenylene group Chemical group 0.000 description 1
- 125000002993 cycloalkylene group Chemical group 0.000 description 1
- 125000004976 cyclobutylene group Chemical group 0.000 description 1
- 125000004956 cyclohexylene group Chemical group 0.000 description 1
- 125000004978 cyclooctylene group Chemical group 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 125000005567 fluorenylene group Chemical group 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 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
- 125000003824 heptacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC6=CC7=CC=CC=C7C=C6C=C5C=C4C=C3C=C12)* 0.000 description 1
- 125000002192 heptalenyl group Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- OANQELUUJGCUOQ-UHFFFAOYSA-N hexaphenylene Chemical group C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C2=C1 OANQELUUJGCUOQ-UHFFFAOYSA-N 0.000 description 1
- 125000002632 imidazolidinyl group Chemical group 0.000 description 1
- 125000002636 imidazolinyl group Chemical group 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- AOZVYCYMTUWJHJ-UHFFFAOYSA-K iridium(3+) pyridine-2-carboxylate Chemical compound [Ir+3].[O-]C(=O)C1=CC=CC=N1.[O-]C(=O)C1=CC=CC=N1.[O-]C(=O)C1=CC=CC=N1 AOZVYCYMTUWJHJ-UHFFFAOYSA-K 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VKUGPCCUCHYUFE-UHFFFAOYSA-N n-(4-bromophenyl)-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC(Br)=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(C=CC=C2)C2=C1 VKUGPCCUCHYUFE-UHFFFAOYSA-N 0.000 description 1
- ABMCIJZTMPDEGW-UHFFFAOYSA-N n-(4-bromophenyl)-n-phenylnaphthalen-1-amine Chemical compound C1=CC(Br)=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=CC=C1 ABMCIJZTMPDEGW-UHFFFAOYSA-N 0.000 description 1
- KPTRDYONBVUWPD-UHFFFAOYSA-N naphthalen-2-ylboronic acid Chemical compound C1=CC=CC2=CC(B(O)O)=CC=C21 KPTRDYONBVUWPD-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000005565 oxadiazolylene group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000005564 oxazolylene group Chemical group 0.000 description 1
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- UQPUONNXJVWHRM-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 UQPUONNXJVWHRM-UHFFFAOYSA-N 0.000 description 1
- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 0.000 description 1
- 125000003933 pentacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C12)* 0.000 description 1
- JQQSUOJIMKJQHS-UHFFFAOYSA-N pentaphenyl group Chemical group C1=CC=CC2=CC3=CC=C4C=C5C=CC=CC5=CC4=C3C=C12 JQQSUOJIMKJQHS-UHFFFAOYSA-N 0.000 description 1
- MHAUGLFOVCQYNR-UHFFFAOYSA-N pentaphenylene Chemical group C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C2=C1 MHAUGLFOVCQYNR-UHFFFAOYSA-N 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
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- 125000005560 phenanthrenylene group Chemical group 0.000 description 1
- 150000005041 phenanthrolines Chemical class 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 125000001388 picenyl group Chemical group C1(=CC=CC2=CC=C3C4=CC=C5C=CC=CC5=C4C=CC3=C21)* 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- HRGDZIGMBDGFTC-UHFFFAOYSA-N platinum(2+) Chemical compound [Pt+2] HRGDZIGMBDGFTC-UHFFFAOYSA-N 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000005550 pyrazinylene group Chemical group 0.000 description 1
- 125000003072 pyrazolidinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000005548 pyrenylene group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000005551 pyridylene group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000005576 pyrimidinylene group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- FHCPAXDKURNIOZ-UHFFFAOYSA-N tetrathiafulvalene Chemical compound S1C=CSC1=C1SC=CS1 FHCPAXDKURNIOZ-UHFFFAOYSA-N 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000005557 thiazolylene group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000005730 thiophenylene group Chemical group 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
- 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 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000005559 triazolylene group Chemical group 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
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- C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
- C07C211/58—Naphthylamines; N-substituted derivatives thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Adv.Mater.2002,14,1072−1075 Chem.Mater.2005,17,1287−1289
合成例1:中間体Aの合成
合成例2:中間体Bの合成
合成例3:中間体Cの合成
[実施例]
実施例1:<化学式2>で表示される化合物2の合成
実施例2:<化学式3>で表示される化合物3の合成
実施例3:<化学式4>で表示される化合物4の合成
実施例4:<化学式5>で表示される化合物5の合成
実施例5:<化学式7>で表示される化合物7の合成
実施例6:<化学式9>で表示される化合物9の合成
実施例7:<化学式11>で表示される化合物11の合成
実施例8:<化学式13>で表示される化合物13の合成
比較例1
前記実施例1のうち、発光層として化合物2の代わりに下記化学式17の構造を持つ化合物17を利用した点を除いては、前記実施例1と同じ方法で有機発光素子を製造した。これをサンプル10とする。
化合物2ないし化合物5、化合物7、化合物9、化合物11及び化合物13の吸収スペクトル及びPL(photoluminescence)スペクトルを評価することによって、発光特性を評価した。まず、化合物2ないし化合物5、化合物7、化合物9、化合物11及び化合物13をトルエンに0.2mMの濃度で希釈させて、島津UV−350スペクトロメーター(Shimadzu UV−350 Spectrometer)を利用して、吸収スペクトルを測定した。一方、化合物2ないし化合物5、化合物7、化合物9、化合物11及び化合物13をトルエンに10mM濃度で希釈させて、キセノンランプが装着されているISC PC1分光蛍光光度計(Spectrofluorometer)を利用して、PL(Photoluminecscence)スペクトルを測定した。その結果を下記の表1に表し、化合物2のスペクトルを図2に表した。
化合物2を使用して、次のような構造を持つ有機発光素子を製作した:ITO/PEDOT(50nm)/化合物2(50nm)/Alq3(20nm)/LiF(1nm)/Al(200nm)。
Claims (8)
- 第1電極と、
第2電極と、
前記第1電極と前記第2電極との間に介在された有機薄膜を備える発光層と、を備える有機電界発光素子であって、前記有機薄膜が下記化学式1で表示される有機発光化合物を含む、有機電界発光素子:
R1は、置換または非置換のメチレン基、置換または非置換のエチレン基、置換または非置換のプロピレン基、置換または非置換のブチレン基、置換または非置換のペンチレン基、置換または非置換のヘキシレン基、置換または非置換のへプチレン基、置換または非置換のオクチレン基、置換または非置換のノニレン基、置換または非置換のデキニレン基、または置換または非置換のシクロペンチレン基であり、前記置換されたメチレン基、置換されたエチレン基、置換されたプロピレン基、置換されたブチレン基、置換されたペンチレン基、置換されたヘキシレン基、置換されたへプチレン基、置換されたオクチレン基,置換されたノニレン基、置換されたデキニレン基及び置換されたシクロペンチレン基の置換基は、−F、−Cl、−Br、−CN、−NO2、−OH;非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC1−C20アルキル基、非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC1−C20アルコキシ基、非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC6−C30アリール基、非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC2−C30ヘテロアリール基及び非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC5−C20シクロアルキル基からなる群から選択された一つ以上であり、
Ar1及びAr2は、それぞれ独立的に、フェニレン基、C1−C10アルキルフェニレン基、C1−C10アルコキシフェニレン基、ハロフェニレン基、シアノフェニレン基、ジシアノフェニレン基、トリフルオロメトキシフェニレン基、o−,m−またはp−トリレン基、o−,m−またはp−クメニレン基、メシチレン基、フェノキシフェニレン基、(α,α−ジメチルベンゼン)フェニレン基、(C1−C10アルキルシクロヘキシル)フェニレン基、(アントラセニル)フェニレン基、ビフェニレン基、C1−C10アルキルビフェニレン基、C1−C10アルコキシビフェニレン基、ペンタレニル基、インデニレン基、ナフチレン基、C1−C10アルキルナフチレン基、C1−C10アルコキシナフチレン基、ハロナフチレン基、シアノナフチレン基、ビフェニレニレン基、C1−C10アルキルビフェニレニレン基、C1−C10アルコキシビフェニレニレン基、ビフェニルアントラセニレン基及びアントラセニレン基からなる群から選択され;
Ar3、Ar4、Ar5及びAr6は、それぞれ独立的に、フェニル基、C1−C10アルキルフェニル基、C1−C10アルコキシフェニル基、ハロフェニル基、シアノフェニル基、ジシアノフェニル基、トリフルオロメトキシフェニル基、o−,m−またはp−トリル基、o−,m−またはp−クメニル基、メシチル基、フェノキシフェニル基、(α,α−ジメチルベンゼン)フェニル基、(N,N’−ジメチル)アミノフェニル基、(N,N’−ジフェニル)アミノフェニル基、(N,N’−ビス(メチルフェニル))アミノフェニル基、(N,N’−ジナフチル)アミノフェニル基、(C1−C10アルキルシクロヘキシル)フェニル基、(アントラセニル)フェニル基、ビフェニル基、C1−C10アルキルビフェニル基、C1−C10アルコキシビフェニル基、ペンタレニル基、インデニル基、ナフチル基、C1−C10アルキルナフチル基、C1−C10アルコキシナフチル基、ハロナフチル基、シアノナフチル基、ビフェニレニル基、C1−C10アルキルビフェニレニル基、C1−C10アルコキシビフェニレニル基及びアントラセニル基からなる群から選択され、Ar3とAr4は、連結されて環を形成でき、Ar5とAr6は、連結されて環を形成でき、
lとmは、それぞれ独立的に、1または2であり、kとnは、それぞれ独立的に、0または1であるが、kとnのうち、少なくとも一つは1である。 - 前記有機発光化合物は、下記化学式2ないし16で表示されることを特徴とする請求項1に記載の有機電界発光素子:
- 前記第1電極と第2電極との間の有機薄膜は、正孔注入層、正孔輸送層、電子阻止層、正孔阻止層、電子輸送層及び電子注入層からなる群から選択された一つ以上の層をさらに備え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。
- 前記発光層は、赤色、緑色、青色または白色を含む燐光または蛍光ドープ剤をさらに含むことを特徴とする請求項1ないし3のいずれか1項に記載の有機電界発光素子。
- 前記燐光ドープ剤は、Ir、Pt、Os、Ti、Zr、Hf、Eu、Tb及びTmからなる群から選択された一つ以上の元素を含む有機金属化合物であることを特徴とする請求項4に記載の有機電界発光素子。
- 前記有機電界発光素子は、第1電極/正孔注入層/発光層/電子輸送層/電子注入層/第2電極;第1電極/正孔注入層/正孔輸送層/発光層/電子輸送層/電子注入層/第2電極;または第1電極/正孔注入層/正孔輸送層/発光層/正孔阻止層/電子輸送層/電子注入層/第2電極;のいずれかの構造を持つことを特徴とする請求項1〜5のいずれか1項に記載の有機電界発光素子。
- 第1電極を形成する工程と、
前記第1電極の上部に下記化学式1で表示されるジアリールエテン系誘導体を含む有機薄膜を形成する工程と、
前記有機薄膜を焼成する工程と、
前記有機薄膜の上部に第2電極を形成する工程と、を含むことを特徴とする有機電界発光素子の製造方法:
R1は、置換または非置換のメチレン基、置換または非置換のエチレン基、置換または非置換のプロピレン基、置換または非置換のブチレン基、置換または非置換のペンチレン基、置換または非置換のヘキシレン基、置換または非置換のへプチレン基、置換または非置換のオクチレン基、置換または非置換のノニレン基、置換または非置換のデキニレン基、または置換または非置換のシクロペンチレン基であり、前記置換されたメチレン基、置換されたエチレン基、置換されたプロピレン基、置換されたブチレン基、置換されたペンチレン基、置換されたヘキシレン基、置換されたへプチレン基、置換されたオクチレン基、置換されたノニレン基、置換されたデキニレン基及び置換されたシクロペンチレン基の置換基は、−F、−Cl、−Br、−CN、−NO2、−OH;非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC1−C20アルキル基、非置換または−F、−Cl、−Br、−CN、−NO2または?OHに置換されたC1−C20アルコキシ基、非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC6−C30アリール基、非置換または−F、−Cl、−Br、−CN、−NO2または?OHに置換されたC2−C30ヘテロアリール基及び非置換または−F、−Cl、−Br、−CN、−NO2または−OHに置換されたC5−C20シクロアルキル基からなる群から選択された一つ以上であり;
Ar1及びAr2は、それぞれ独立的に、フェニレン基、C1−C10アルキルフェニレン基、C1−C10アルコキシフェニレン基、ハロフェニレン基、シアノフェニレン基、ジシアノフェニレン基、トリフルオロメトキシフェニレン基、o−,m−またはp−トリレン基、o−,m−またはp−クメニレン基、メシチレン基、フェノキシフェニレン基、(α,α−ジメチルベンゼン)フェニレン基、(C1−C10アルキルシクロヘキシル)フェニレン基、(アントラセニル)フェニレン基、ビフェニレン基、C1−C10アルキルビフェニレン基、C1−C10アルコキシビフェニレン基、ペンタレニル基、インデニレン基、ナフチレン基、C1−C10アルキルナフチレン基、C1−C10アルコキシナフチレン基、ハロナフチレン基、シアノナフチレン基、ビフェニレニレン基、C1−C10アルキルビフェニレニレン基、C1−C10アルコキシビフェニレニレン基、ビフェニルアントラセニレン基及びアントラセニレン基からなる群から選択され;
Ar3,Ar4,Ar5及びAr6は、それぞれ独立的に、フェニル基、C1−C10アルキルフェニル基、C1−C10アルコキシフェニル基、ハロフェニル基、シアノフェニル基、ジシアノフェニル基、トリフルオロメトキシフェニル基、o−,m−またはp−トリル基、o−,m−またはp−クメニル基、メシチル基、フェノキシフェニル基、(α,α−ジメチルベンゼン)フェニル基、(N,N'−ジメチル)アミノフェニル基、(N,N'−ジフェニル)アミノフェニル基、(N,N'−ビス(メチルフェニル))アミノフェニル基、(N,N'−ジナフチル)アミノフェニル基、(C1−C10アルキルシクロヘキシル)フェニル基、(アントラセニル)フェニル基、ビフェニル基、C1−C10アルキルビフェニル基、C1−C10アルコキシビフェニル基、ペンタレニル基、インデニル基、ナフチル基、C1−C10アルキルナフチル基、C1−C10アルコキシナフチル基、ハロナフチル基、シアノナフチル基、ビフェニレニル基、C1−C10アルキルビフェニレニル基、C1−C10アルコキシビフェニレニル基及びアントラセニル基からなる群から選択され、Ar3、Ar4は、連結されて環を形成でき、Ar5及びAr6は、連結されて環を形成でき;
lとmは、それぞれ独立的に、1または2であり、kとnは、それぞれ独立的に0または1であるが、kとnのうち、少なくとも一つは1である。 - 有機薄膜の形成方法は、スピンコーティング、インクジェットプリンティング及びスプレイプリンティングを含むウェット放射または熱転写方法であることを特徴とする請求項7に記載の有機電界発光素子の製造方法。
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