JP2013500585A - 安定化黄色発光層を持つoled装置 - Google Patents
安定化黄色発光層を持つoled装置 Download PDFInfo
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- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims abstract description 42
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 23
- 150000001454 anthracenes Chemical class 0.000 claims abstract description 10
- 125000005266 diarylamine group Chemical group 0.000 claims abstract description 6
- XBDYBAVJXHJMNQ-UHFFFAOYSA-N Tetrahydroanthracene Natural products C1=CC=C2C=C(CCCC3)C3=CC2=C1 XBDYBAVJXHJMNQ-UHFFFAOYSA-N 0.000 claims description 27
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 claims description 26
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 125000000217 alkyl group Chemical group 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000001072 heteroaryl group Chemical group 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 125000001624 naphthyl group Chemical group 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 125000004429 atom Chemical group 0.000 claims description 3
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 abstract description 18
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical class C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 68
- 125000001424 substituent group Chemical group 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- -1 amino-substituted anthracene Chemical class 0.000 description 13
- 238000002347 injection Methods 0.000 description 13
- 239000007924 injection Substances 0.000 description 13
- 125000004986 diarylamino group Chemical group 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 9
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 8
- 230000005525 hole transport Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 5
- 125000005579 tetracene group Chemical group 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical group [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 235000010290 biphenyl Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 125000005577 anthracene group Chemical group 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 150000003518 tetracenes Chemical class 0.000 description 3
- AJIIMVQJGSPEER-UHFFFAOYSA-N 3,7,10-triphenyl-8-(4-phenylphenyl)fluoranthene Chemical compound C1=CC=CC=C1C1=CC=C(C=2C(=C3C=4C=CC=C5C(C=6C=CC=CC=6)=CC=C(C=45)C3=C(C=2)C=2C=CC=CC=2)C=2C=CC=CC=2)C=C1 AJIIMVQJGSPEER-UHFFFAOYSA-N 0.000 description 2
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- DKHNGUNXLDCATP-UHFFFAOYSA-N dipyrazino[2,3-f:2',3'-h]quinoxaline-2,3,6,7,10,11-hexacarbonitrile Chemical compound C12=NC(C#N)=C(C#N)N=C2C2=NC(C#N)=C(C#N)N=C2C2=C1N=C(C#N)C(C#N)=N2 DKHNGUNXLDCATP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- DHDHJYNTEFLIHY-UHFFFAOYSA-N 4,7-diphenyl-1,10-phenanthroline Chemical compound C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=CN=C21 DHDHJYNTEFLIHY-UHFFFAOYSA-N 0.000 description 1
- XVLYGMRJHJFNIP-UHFFFAOYSA-N 5,12-di(pyren-1-yl)tetracene Chemical compound C1=C2C(C3=C4C=CC=CC4=C(C=4C5=CC=C6C=CC=C7C=CC(C5=C76)=CC=4)C4=CC5=CC=CC=C5C=C43)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 XVLYGMRJHJFNIP-UHFFFAOYSA-N 0.000 description 1
- 101150037194 EIL2 gene Proteins 0.000 description 1
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 238000001194 electroluminescence spectrum Methods 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 150000002390 heteroarenes Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- NAGIDYXJHFPQIS-UHFFFAOYSA-M lithium;2-(1,10-phenanthrolin-2-yl)phenolate Chemical compound [Li+].[O-]C1=CC=CC=C1C1=CC=C(C=CC=2C3=NC=CC=2)C3=N1 NAGIDYXJHFPQIS-UHFFFAOYSA-M 0.000 description 1
- COLNWNFTWHPORY-UHFFFAOYSA-M lithium;8-hydroxyquinoline-2-carboxylate Chemical compound [Li+].C1=C(C([O-])=O)N=C2C(O)=CC=CC2=C1 COLNWNFTWHPORY-UHFFFAOYSA-M 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 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 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000006574 non-aromatic ring group Chemical group 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
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
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Abstract
Description
参照は、同一出願人による、「高効率及び優れた寿命を持つOLED(OLEDS Having High Efficiency and Excellent Lifetime)」と題されたケビンP.クルーベック(Kevin P. Klubek)らによる2007年1月30日に出願された米国特許出願第11/668,515号(米国特許出願公開第2008/0182129号)、及び「安定化緑色発光層を持つOLED装置(OLED Device With Stabilized Green Light-Emitting Layer)」と題されたマリーナE.コンダコフ(Marina E. Kondakov)らによる2009年2月27日に出願された米国特許出願第12/394,935号に対してなされ、それらの開示は参照することにより本明細書に援用される。
本発明は、エレクトロルミネッセンス(EL)装置に関し、より詳細には、9,10−ジアリールアントラセンホスト、発光ドーパントとしての置換ルブレン、及びジアリールアミノ置換9,10−ジアリール置換アントラセン安定剤を含有する黄色発光層を有する有機発光ダイオード(OLED)装置に関する。
有機エレクトロルミネッセンス(EL)装置は20年以上にわたって知られているが、その性能の制限は、多くの望ましい用途にとって障害となっていた。最も単純な形態において、有機発光装置(OLED)は、有機エレクトロルミネッセンス装置又は有機内部結合発光装置とも称され、電極間の電位差の適用に応えて発光する有機発光構造(有機EL媒体とも称される)によって分離された離間電極を含有する。電極の少なくとも1つは、光透過性であり、有機発光構造は、アノードからの正孔の注入及び輸送、並びにカソードからの電子の注入及び輸送をそれぞれ与える複数の有機薄膜の多層を有することができ、正孔輸送薄膜と電子輸送薄膜との間の接合部分で形成された内部結合における電子−正孔再結合から生じる発光をもつ。
本発明は、アノードと、カソードと、それらの間に配置された黄色発光層とを含むOLED装置であって、前記発光層が、
(a)9,10−ジアリールアントラセンホスト、
(b)式(2):
(c)式(3):
を含むOLED装置を提供する。
本発明は、一般に上記に記載されるようなものである。本発明のOLED装置は、カソード、アノード、発光層(LEL)(複数可)、電子輸送層(ETL)(複数可)、及び電子注入層(EIL)(複数可)、並びに任意で、正孔注入層(複数可)、正孔輸送層(複数可)、励起子ブロック層(複数可)、スペーサ層(複数可)、結合層(複数可)、及び正孔ブロック層(複数可)等の追加の層を備える多層エレクトロルミネッセンス装置である。
EL装置1−1〜1−20を以下の方法で組み立てた。
(1)約60nmのインジウム−スズ酸化物(ITO)の層でコーティングしたガラス基板をアノードとして、順に、市販の洗剤中で超音波処理し、脱イオン水でリンスし、約1分間酸素プラズマに曝露した。
(2)次に、DipyrAH−6イノ[2,3−f:2’,3’−h]キノキサリン−2,3,6,7,10,11−ヘキサカルボニトリル(HAT−CN)の10nm層を電子注入層(HIL)として真空蒸着させた。
(3)次に、N,N’−ジ−1−ナフチル−N,N’−ジフェニル−4,4’−ジアミノビフェニル(NPB)の正孔輸送層(HTL)を80nmの厚さに真空蒸着させた。
(4)次に、表1に示すような、ホスト、黄色エミッタ及びアミン安定剤の混合物からなる40nmの発光層をHTL上に真空蒸着させた。
(5)10nmの厚さを有する、8−[1,1’−ビフェニル]−4−イル−3,7,10−トリフェニルフルオランテンと9−[1,1’−ビフェニル]−4−イル−3,7,10−トリフェニルフルオランテンとの1:1混合物の電子輸送層(ETL)をLEL上に真空蒸着させた。
(6)次に、20nmの厚さを有する、49%のリチウム8−ヒドロキシキノレート、49%の4,7−ジフェニル−1,10−フェナントロリン、及び1%のリチウム金属の電子注入層(EIL)をETL上に真空蒸着させた。
(7)次に、100nmのアルミニウムのカソードをEIL上に形成した。
(1)約60nmのインジウム−スズ酸化物(ITO)の層でコーティングしたガラス基板をアノードとして、順に、市販の洗剤中で超音波処理し、脱イオン水でリンスし、約1分間酸素プラズマに曝露した。
(2)次に、HAT−CNの10nm層を電子注入層(HIL)として真空蒸着させた。
(3)次に、NPBの正孔輸送層を70nmの厚さに真空蒸着させた。
(4)次に、表2に示すような、ホスト、黄色エミッタ及びアミン安定剤の混合物からなる40nmの発光層をHTL上に真空蒸着させた。
(5)40nmの厚さを有する、8−[1,1’−ビフェニル]−4−イル−3,7,10−トリフェニルフルオランテンと9−[1,1’−ビフェニル]−4−イル−3,7,10−トリフェニルフルオランテンとの1:1混合物の電子輸送層をLEL上に真空蒸着させた。
(6)次に、3nmの厚さを有する、リチウム2−(1,10−フェナントロリン−2−イル)フェノラートの電子注入層をETL上に真空蒸着させた。
(7)次に、100nmのアルミニウムのカソードをEIL上に形成した。
110 基板
120 アノード
130 正孔注入層(HIL)
132 正孔輸送層(HTL)
134 発光層(LEL)
135 正孔ブロック層(HBL)
136 電子輸送層(ETL)
138 電子注入層(EIL)
140 カソード
150 電圧/電流源
160 電気コネクタ。
Claims (7)
- アノードと、カソードと、それらの間に配置された黄色発光層とを含むOLED装置であって、前記発光層が、
(a)9,10−ジアリールアントラセンホスト、
(b)式(2):
(c)式(3):
を含むOLED装置。 - 式(2a)の前記テトラセンにおいて、Ar1及びAr2の両方が無置換フェニル基であり、R3及びR4の両方が同一のヘテロ芳香族基である請求項2に記載のOLED装置。
- 式(3)に従う前記ジアリールアミン置換9,10−ジアリール置換アントラセンにおいて、X1及びX2が、フェニル又はナフチル基から独立して選択され;Ar1、Ar2、Ar3及びAr4が、フェニル又はナフチル基から独立して選択され;nが2である請求項1に記載のOLED装置。
- 発光層において、式(3)に従う前記ジアリールアミン9,10−ジアリール置換アントラセンが5体積%以上で存在し、且つ式(2)に従う前記テトラセンが3体積%以上で存在する請求項1に記載のOLED装置。
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PCT/US2010/042727 WO2011011501A1 (en) | 2009-07-22 | 2010-07-21 | Oled device with stabilized yellow light-emitting layer |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |