JP5536054B2 - 硫黄含有基を有するホール輸送材料 - Google Patents
硫黄含有基を有するホール輸送材料 Download PDFInfo
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- JP5536054B2 JP5536054B2 JP2011516799A JP2011516799A JP5536054B2 JP 5536054 B2 JP5536054 B2 JP 5536054B2 JP 2011516799 A JP2011516799 A JP 2011516799A JP 2011516799 A JP2011516799 A JP 2011516799A JP 5536054 B2 JP5536054 B2 JP 5536054B2
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- 230000002441 reversible effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- ORFSSYGWXNGVFB-UHFFFAOYSA-N sodium 4-amino-6-[[4-[4-[(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-hydroxynaphthalene-1,3-disulfonic acid Chemical compound COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C3)C(=CC(=C4N)S(=O)(=O)O)S(=O)(=O)O)O)OC)N=NC5=C(C6=C(C=C5)C(=CC(=C6N)S(=O)(=O)O)S(=O)(=O)O)O.[Na+] ORFSSYGWXNGVFB-UHFFFAOYSA-N 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- ZGNPLWZYVAFUNZ-UHFFFAOYSA-N tert-butylphosphane Chemical compound CC(C)(C)P ZGNPLWZYVAFUNZ-UHFFFAOYSA-N 0.000 description 1
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Description
本発明は新規材料に関する。より具体的には、本発明は有機発光デバイス(OLED)において有用な新規材料に関する。
有機材料を使用する光電子デバイスは多くの理由のためますます望ましくなっている。このようなデバイスを作製するのに用いられる材料の多くは比較的安価であり、従って有機光電子デバイスは無機デバイスに対する費用優位の可能性を有する。加えて、有機材料の特有の性質、例えばその柔軟性、はこれらをフレキシブル基板の製造のような特定の用途によく適させるであろう。有機光電子デバイスの例は有機発光デバイス(OLED)、有機フォトトランジスタ、有機光電池および有機光検出器を含む。OLEDについて、有機材料は従来材料を上回る性能優位性を有するであろう。例えば、有機発光層が発光する波長は一般的に適切なドーパントにより容易に調整されうるであろう。
新規材料を提供し、以下の化学構造を有する:
一般的に、OLEDは陽極と陰極との間に配置され電子的に接続されている少なくとも1つの有機層を有する。電流を流すと、陽極はホールをおよび陰極は電子を有機層に注入する。注入されたホールおよび電子は逆に帯電した電極に向かってそれぞれ移動する。電子とホールとが同じ分子に局在する場合には、励起エネルギー状態を有する局在した電子−ホールペアである「エキシトン」を生じる。エキシトンが光電子放出メカニズムにより緩和すると発光する。ある場合には、エキシトンはエキシマーまたはエキシプレックスに局在していてもよい。熱緩和のような非放射性メカニズムも起こりうるが、一般的には望ましくないと考えられる。
化合物1 JP2000−299497に開示:
A−1の合成
デバイスを標準的な技術を用いて作製した。デバイスは図1に示すものと同様の構造を有するが、表に記載する具体的な層と材料とを含む。
例1(比較)と例2との間の違いは例1はα−NPD HTLを有し、一方で例2は化合物B−1のHTLを有することである。HTL B−1とホストとしての化合物2との組み合わせはα−NPD HTLを用いる同様のデバイスよりも優れた結果を与える。例2は効率および寿命における優れた性能を示す。さらに、例2の結果は一般に緑色発光デバイスについて特に良好であり、B−1と同様の化合物を有するHTLと化合物2と同様のホストとを組み合わせることの望ましさを示している。
LG−201の代わりにAlqのETLを用いることを除いて、比較2でも比較1でしたものと同様の比較をする。グループ1からと同じ結果をグループ2からも引き出すことができる。
Claims (5)
- 以下からなる群から選択される構造を有する物質の組成物:
- 以下からなる群から選択される構造を有する物質の組成物:
- 以下からなる群から選択される構造を有する物質の組成物:
- 以下からなる群から選択される構造を有する物質の組成物:
- 以下を備える有機発光デバイス:
陽極;
陰極;
前記陽極と前記陰極との間に配置された有機発光層であって、前記有機発光層はホストおよびリン光を発するドーパントをさらに含む;
前記有機発光層と前記陽極との間に配置され、前記有機発光層と直接接触するホール輸送材料を含む有機ホール輸送層;
ここで前記ホール輸送材料は請求項1〜4何れか一項記載の物質の組成物である:
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PCT/US2009/049186 WO2010002848A1 (en) | 2008-06-30 | 2009-06-30 | Hole transport materials having a sulfur-containing group |
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JP2014037278A Active JP6009478B2 (ja) | 2008-06-30 | 2014-02-27 | 硫黄含有基を有するホール輸送材料 |
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US (1) | US8652653B2 (ja) |
EP (2) | EP2321376B1 (ja) |
JP (2) | JP5536054B2 (ja) |
KR (3) | KR20160140980A (ja) |
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WO (1) | WO2010002848A1 (ja) |
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JP2014143424A (ja) * | 2008-06-30 | 2014-08-07 | Universal Display Corp | 硫黄含有基を有するホール輸送材料 |
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