JP2015535818A - 電子素子のための材料 - Google Patents
電子素子のための材料 Download PDFInfo
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- JP2015535818A JP2015535818A JP2015532315A JP2015532315A JP2015535818A JP 2015535818 A JP2015535818 A JP 2015535818A JP 2015532315 A JP2015532315 A JP 2015532315A JP 2015532315 A JP2015532315 A JP 2015532315A JP 2015535818 A JP2015535818 A JP 2015535818A
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- 125000003118 aryl group Chemical group 0.000 claims description 69
- 125000001072 heteroaryl group Chemical group 0.000 claims description 20
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- 238000000034 method Methods 0.000 claims description 10
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- 125000000217 alkyl group Chemical group 0.000 claims description 5
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- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 125000006836 terphenylene group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 125000004001 thioalkyl group Chemical group 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- XSPDXZISEYDDMJ-UHFFFAOYSA-N triazine;1,2,4-triazine Chemical compound C1=CN=NN=C1.C1=CN=NC=N1 XSPDXZISEYDDMJ-UHFFFAOYSA-N 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 238000002061 vacuum sublimation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- UPNFMHMMXOKBOJ-UHFFFAOYSA-N zinc iridium(3+) oxygen(2-) Chemical compound [Ir+3].[O-2].[Zn+2] UPNFMHMMXOKBOJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Ar1は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい5〜60個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造であり;
R1は、出現毎に同一であるか異なり、H、D、F、C(=O)R2、CN、Si(R2)3、P(=O)(R2)2、S(=O)R2、S(=O)2R2、1〜20個のC原子を有する直鎖アルキル、アルコキシもしくはチオアルコキシ基、3〜20個のC原子を有する分岐あるいは環状アルキル、アルコキシもしくはチオアルコキシ基、2〜20個のC原子を有するアルケニルもしくはアルキニル基(上記言及した基は、夫々、1以上の基R2により置換されてよく、上記言及した基中の1以上のCH2基は、-R2C=CR2-、-C≡C-、Si(R2)2、C=O、C=S、C=NR2、-C(=O)O-、-C(=O)NR2-、P(=O)(R2)、-O-、-S-、SOもしくはSO2で置き代えられてよく、ここで、上記言及した基中の1以上のH原子は、D、FもしくはCNで置き代えられてよい。)または、各場合に、1以上の基R2により置換されてよい5〜30個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造、または1以上の基R2で置換されてよい5〜30個の芳香族環原子を有するアリールオキシもしくはヘテロアリールオキシ基であり;ここで、2個以上の基R1は、互いに結合してよく、環を形成してよく;
R2は、出現毎に同一であるか異なり、H、D、F、1〜20個のC原子を有する脂肪族、芳香族もしくは複素環式芳香族有機基であり、ここで、1以上のH原子は、DもしくはFで置き代えられてよく、ここで、2個以上の置換基R2は、互いに結合してよく、環を形成してよく;
一、二もしくは三個のAr1は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい12〜60個の芳香族環原子を有する芳香族環構造から選ばれる。
本発明の意味でのアリール基は、6〜60個の芳香族環原子を含み;本発明の意味でのヘテロアリール基は、5〜60個の芳香族環原子を含み、そのうちの少なくとも1個は、ヘテロ原子である。ヘテロ原子は、好ましくは、N、OおよびSから選ばれる。これが、基本的な定義である。他の選好が、たとえば、存在する芳香族環原子もしくはヘテロ原子の数に関して本発明の説明において示されるならば、これらが適用される。
Zは、出現毎に同一であるか異なり、CR1またはNであり、ここで、二個を超えない隣接する基Zは、Nであり、
Ar2およびAr3は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい5〜10個の芳香族環原子を有するアリールもしくはヘテロアリール基であり;
nは、0〜3の値を有し、
mは、2〜4の値を有し、
および、式(II)、(III)および(IV)の基は、全自由位置で、基R1により置換されてよい。
Zは、出現毎に同一であるか異なり、CR1またはNであり、ここで、二個を超えない隣接する基Zは、Nであり、
Xは、出現毎に同一であるか異なり、単結合、O、S、Se、BR1、C(R1)2、Si(R1)2、NR1、PR1、C(R1)2-C(R1)2もしくはCR1=CR1であり、
Ar1は、上記定義されるとおりであり、
Ar4は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい5〜30個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造であり;
R1は、上記定義されるとおりであり、
R2は、上記定義されるとおりであり、
pは、0または1であり、
q、rは、同一であるか異なり、0または1であり、ここで、qとrの合計は、1または2である
好ましくは、少なくとも二個の式(I)の化合物の二個は、上記言及した式(V)、(VI)、(VII)、(VIII)または(IX)の一つである
少なくとも二個の式(I)の化合物の少なくとも一個は、式(V−1)である本発明の混合物が、特に、好ましく、
アノード/正孔注入層/正孔輸送層/電子ブロック層/発光層/電子輸送層/電子注入層/カソード。
アノード/正孔注入層1/正孔注入層2/正孔注入層3/正孔輸送層/電子ブロック層/発光層/電子輸送層/カソード。
例1:DSC調査
使用する材料:表6参照
材料の混合物を、夫々の個々の材料HTM1〜6(HPLCによれば、2度昇華させた夫々の場合の純度は>99.95%)を1gアンプルへ量り取り、アンプルを空気抜きし(ベース圧力は約10−6ミリバール)、真空で溶融することによりアンプルを密封し、アンプル内容物を溶融し、室温まで冷ますことによって、透明な有機ガラスの形態で得る。
本発明によるOLEDと先行技術によるOLEDとが、WO 04/058911による一般的プロセスにより製造されるが、ここに記載される状況(層の厚さの変化、材料)に適合される。
表1および3に示された構造を有するOLEDを使用する。
幾つかの化合物はそれらの合成と共に先行技術で知られている。全ての場合で、類似の化合物の合成は先行技術で知られている。HTM4の合成および使用については、いまだ未公開の出願EP 11009779.7に記載されている。HTM5とHTM6の合成および使用については、いまだ未公開の出願EP 12000929.5に記載されている。
Claims (15)
- 二個以上の相異なる式(I)の化合物を含む混合物;
Ar1は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい5〜60個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造であり;
R1は、出現毎に同一であるか異なり、H、D、F、C(=O)R2、CN、Si(R2)3、P(=O)(R2)2、S(=O)R2、S(=O)2R2、1〜20個のC原子を有する直鎖アルキル、アルコキシもしくはチオアルコキシ基、3〜20個のC原子を有する分岐あるいは環状アルキル、アルコキシもしくはチオアルコキシ基、2〜20個のC原子を有するアルケニルもしくはアルキニル基(上記言及した基は、夫々、1以上の基R2により置換されてよく、上記言及した基中の1以上のCH2基は、-R2C=CR2-、-C≡C-、Si(R2)2、C=O、C=S、C=Se、C=NR2、-C(=O)O-、-C(=O)NR2-、P(=O)(R2)、-O-、-S-、SOもしくはSO2で置き代えられてよく、ここで、上記言及した基中の1以上のH原子は、D、FもしくはCNで置き代えられてよい。)または、各場合に、1以上の基R2により置換されてよい5〜30個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造、または1以上の基R2で置換されてよい5〜30個の芳香族環原子を有するアリールオキシもしくはヘテロアリールオキシ基であり;ここで、2個以上の基R1は、互いに結合してよく、環を形成してよく;
R2は、出現毎に同一であるか異なり、H、D、F、1〜20個のC原子を有する脂肪族、芳香族もしくは複素環式芳香族有機基であり、ここで、さらに、1以上のH原子は、DもしくはFで置き代えられてよく、ここで、2個以上の置換基R2は、互いに結合してよく、環を形成してよく;
一、二もしくは三個のAr1は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい12〜60個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造から選ばれる。 - 正確に二、三もしくは四個の相異なる式(I)の化合物を含むことを特徴とする、請求項1記載の混合物。
- 式(I)でない10%未満の化合物を含むことを特徴とする、請求項1または2記載の混合物。
- 一以上のp-ドーパントを含むことを特徴とする、請求項1〜3何れか1項記載の混合物。
- 少なくとも二個の式(I)の化合物が、それぞれ個々に考えて、少なくとも10%の割合を有することを特徴とする、請求項1〜4何れか1項記載の混合物。
- 少なくとも二個の式(I)の化合物が、式(I)で示される窒素原子とは別に三個の置換基を持つさらなる窒素原子を含まないことを特徴とする、請求項1〜5何れか1項記載の混合物。
- 二もしくは三個のAr1は、1以上の基R1により置換されてよい12〜60個の芳香族環原子を有する芳香族環構造から選ばれることを特徴とする、請求項1〜6何れか1項記載の混合物。
- 式(I)の化合物中の少なくとも一つの基Ar1は、式(II)、(III)または(IV)であることを特徴とする、請求項1〜7何れか1項記載の混合物:
Zは、出現毎に同一であるか異なり、CR1またはNであり、ここで、二個を超えない隣接する基Zは、Nであり、
Ar2およびAr3は、出現毎に同一であるか異なり、請求項1で定義されるとおりの1以上の基R1により置換されてよい5〜10個の芳香族環原子を有するアリールもしくはヘテロアリール基であり;
nは、0〜3の値を有し、
mは、2〜4の値を有し、
および、式(II)、(III)および(IV)の基は、全自由位置で、請求項1で定義される基R1により置換されてよい。 - 少なくとも二個の式(I)の化合物中の少なくとも二個の基Ar1は、式(II)、(III)または(IV)の一つであることを特徴とする、請求項1〜8何れか1項記載の混合物。
- 少なくとも二個の式(I)の化合物の少なくとも一個は、式(V)〜(IX)の一つであることを特徴とする、請求項1〜9何れか1項記載の混合物;
Zは、出現毎に同一であるか異なり、CR1またはNであり、ここで、二個を超えない隣接する基Zは、Nであり、
Xは、出現毎に同一であるか異なり、単結合、O、S、Se、BR1、C(R1)2、Si(R1)2、NR1、PR1、C(R1)2-C(R1)2もしくはCR1=CR1であり、
Ar1は、請求項1で定義されるとおりであり、
Ar4は、出現毎に同一であるか異なり、1以上の基R1により置換されてよい5〜30個の芳香族環原子を有する芳香族もしくは複素環式芳香族環構造であり;
R1は、請求項1で定義されるとおりであり、
R2は、請求項1で定義されるとおりであり、
pは、0または1であり、
q、rは、同一であるか異なり、0または1であり、ここで、qとrの合計は、1または2である - 請求項1〜10何れか1項記載の混合物と少なくとも一つの溶媒を含む調合物。
- 請求項1〜10何れか1項記載の混合物を有機層中に含むことを特徴とする、有機集積回路(OIC)、有機電界効果トランジスタ(OFET)、有機薄膜トランジスタ(OTFT)、有機発光トランジスタ(OLET)、有機太陽電池(OSC)、有機光検査器、有機光受容器、有機電場消光素子(OFQD)、有機発光電子化学電池(OLEC)、有機レーザーダイオード(O-laser)および有機エレクトロルミネッセンス素子(OLED)から選ばれる電子素子。
- 請求項1〜10何れか1項記載の混合物が、正孔輸送層に使用されることを特徴とする、有機エレクトロルミッセンス素子から選ばれる請求項12載の電子素子。
- 請求項1〜10何れか1項記載の混合物を含む正孔輸送層のアノード側に配置される少なくとも一つのさらなる正孔輸送層を追加的に含むことを特徴とする、請求項13記載の有機エレクトロルミッセンス素子。
- 請求項1〜10何れか1項記載の混合物の、有機集積回路(OIC)、有機電界効果トランジスタ(OFET)、有機薄膜トランジスタ(OTFT)、有機発光トランジスタ(OLET)、有機太陽電池(OSC)、有機光検査器、有機光受容器、有機電場消光素子(OFQD)、有機発光電子化学電池(OLEC)、有機レーザーダイオード(O-laser)および有機エレクトロルミネッセンス素子(OLED)から選ばれる電子素子での使用。
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JP6239624B2 (ja) | 2017-11-29 |
US20150236261A1 (en) | 2015-08-20 |
EP2898042A1 (de) | 2015-07-29 |
US10454040B2 (en) | 2019-10-22 |
CN104640958B (zh) | 2017-04-05 |
KR20150058396A (ko) | 2015-05-28 |
KR102184852B1 (ko) | 2020-12-01 |
EP2898042B1 (de) | 2016-07-06 |
WO2014044344A1 (de) | 2014-03-27 |
CN104640958A (zh) | 2015-05-20 |
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