JP6016511B2 - 新規縮合多環化合物、それを有する有機発光素子、表示装置、画像情報処理装置、照明装置及び画像形成装置 - Google Patents
新規縮合多環化合物、それを有する有機発光素子、表示装置、画像情報処理装置、照明装置及び画像形成装置 Download PDFInfo
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Description
前記有機化合物層は、一般式[1]のアセナフト[1,2−b]クリセン化合物を有することを特徴とする有機発光素子に関する。
前記露光手段は、前記有機発光素子を有することを特徴とする画像形成装置に関する。
1.振動子強度が高いこと
2.発光に関わる骨格が有する振動部分が少ないこと
1の条件を満たすことは、振動子強度が高いことは、量子収率が高いことにつながるので好ましい。
式[1]で示される縮合多環化合物は、以下に示す合成ルート1乃至3のように合成することが可能である。
次に本実施形態に係る有機発光素子を説明する。
本実施形態に係る有機発光素子は、表示装置や照明装置の構成部材として用いることができる。他にも電子写真方式の画像形成装置の露光光源や液晶表示装置のバックライト、照明の如き用途がある。有機発光素子はさらにカラーフィルターを有していてよい。
本実施形態に係る例示化合物D16は、以下の方法により合成した。
1H−NMR(CDCl3):δ(ppm)=9.32(s,1H),8.86(d,1H,J=8.8Hz),8.79(s,1H),8.66(s,1H),8.34(s,1H)8.20(d,1H,J=6.8Hz),7.98−7.83(m,12H),7.78−7.62(m,4H)
(1)中間体化合物M4の合成
1H−NMR(CDCl3):δ(ppm)=9.34(s,2H),8.87(d,2H,J=8.8Hz),8.80(s,2H),8.67(s,1H),8.66(s,1H),8.35(s,1H),8.33(s,1H),8.19(d,1H,J=6.8Hz),8.12(d,1H,J=6.8Hz)8.04(d,1H,J=6.8Hz),7.97−7.84(m,20H),7.77(t,2H,J=6.8Hz),7.66−7.38(m,8H),7.29(t,2H,J=6.8Hz),7.20(d,3H,J=6.8Hz),1.99(s,6H),1.98(s,6H)
1H−NMR(CDCl3):δ(ppm)=9.36(s,1H),9.35(s,1H),8.87(d,2H,J=8.0Hz),8.80(s,2H),8.68(s,2H),8.37(s,1H),8.36(s,1H),8.27(d,1H,J=7.2Hz),8.25(d,1H,J=7.2Hz),8.04−7.84(m,26H),7.80−7.61(m,12H)
(1)中間体化合物M5の合成
下記の合成ルート4に示すように、非特許文献Chemistry of Materials,2009,21(12),2452に記載の方法で中間体化合物M5を30g合成した。
1H−NMR(CDCl3):δ(ppm)=9.38(s,1H),9.37(s,1H),8.88(d,2H,J=8.8Hz),8.82(s,1H),8.81(s,1H),8.69(s,2H),8.38(s,1H),8.37(s,1H),8.29(d,1H,J=6.8Hz),8.26(d,1H,J=6.8Hz)8.07−7.64(m,38H),7.51(d,2H,J=8.8Hz),8.50(d,2H,J=8.8Hz),7.44−7.32(m,14H)
例示化合物D36、37の合成
実施例2で用いられる2,6−ジメチルフェニルボラン酸をM7に変更した以外は実施例2と同様の反応、精製を行った。
比較例として化合物R1、R2を合成してフォトルミネッセンス、吸収スペクトルの測定を基に量子収率の比較を行った。吸収スペクトルは日本分光製 UV−570を用いた。量子収率は例示化合物16を1.0として相対的な強度を出した。結果を表6に示す。
本実施例では、基板上に順次陽極、正孔輸送層、発光層、正孔・エキシトンブロッキング層、電子輸送層、陰極を以下に示す方法で有機発光素子を作製した。
ホール注入層(70nm)G1
ホール輸送層(45nm)G2
発光層(20nm) ホストG3、ゲスト:表7に示した例示化合物(重量比1%)
ホール・エキシトンブロッキング層(5nm)G4
電子輸送層(20nm) G5
金属電極層1(1nm) LiF
金属電極層2(100nm) Al
本実施例では、ホール・エキシトンブロッキング層としてG6を用いた以外は実施例7乃至13に示した方法と同様な方法で有機発光素子を作製した。
本実施例では、ホール・エキシトンブロッキング層としてG7を用いた以外は実施例7乃至13に示した方法と同様な方法で有機発光素子を作製した。
本実施例では、発光層のゲスト材料として比較化合物R1、R2を用いた以外は実施例7乃至13に示した方法と同様な方法で有機発光素子を作製した。
本発明の有機化合物は、高い量子収率と青色発光を呈する新規化合物であり、優れた色純度で高輝度な有機発光素子を提供することができる。
11 陽極
12 有機化合物層
13 陰極
Claims (11)
- 前記R2、前記R4、前記R8、前記R12、前記R13のうちの少なくとも2つが電子吸引性の置換基であることを特徴とする請求項1に記載の縮合多環化合物。
- 前記アルキル基、前記アリール基、前記複素環基が置換基を有する場合、前記置換基は、アルキル基、アラルキル基、アリール基、複素環基、アミノ基、アルコキシル基、フェノキシ基、シアノ基、ハロゲン原子のいずれかであることを特徴とする請求項1または2に記載の縮合多環化合物。
- 一対の電極と前記一対の電極の間に配置されている有機化合物層とを有する有機発光素子であって、前記有機化合物層は、請求項1乃至3のいずれか一項に記載の縮合多環化合物を有することを特徴とする有機発光素子。
- 前記有機化合物層は、ホストとゲストとを有する発光層であり、
前記ゲストが、前記縮合多環化合物であることを特徴とする請求項4に記載の有機発光素子。 - 前記有機化合物層は、複数のゲストを有する発光層であり、
前記複数のゲストのうちの少なくとも一つは、前記縮合多環化合物であり、
白色を発することを特徴とする請求項4または5に記載の有機発光素子。 - 複数の画素を有し、前記複数の画素のうち少なくともひとつは、請求項4乃至6のいずれか一項に記載の有機発光素子と前記有機発光素子に接続されている能動素子とを有することを特徴とする表示装置。
- 画像情報を入力する入力部と、画像を表示する表示部とを有し、前記表示部は、請求項7に記載の表示装置であることを特徴とする画像情報処理装置。
- 請求項4乃至6のいずれか一項に記載の有機発光素子と前記有機発光素子に接続されているAC/DCコンバーター回路とを有することを特徴とする照明装置。
- 感光体と、前記感光体の表面を帯電させる帯電手段と、前記感光体を露光して静電潜像を形成するための露光手段と、前記感光体の表面に形成された静電潜像を現像するための現像手段とを有する画像形成装置であって、
前記露光手段は、請求項4乃至6のいずれか一項に記載の有機発光素子を有することを特徴とする画像形成装置。 - 感光体を露光するための露光手段であって、
前記露光手段は、請求項4乃至6のいずれか一項に記載の有機発光素子を有し、
前記有機発光素子は、列を形成して配置されていることを特徴とする露光手段。
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| JP2012174880A JP6016511B2 (ja) | 2012-08-07 | 2012-08-07 | 新規縮合多環化合物、それを有する有機発光素子、表示装置、画像情報処理装置、照明装置及び画像形成装置 |
| EP13827088.9A EP2882707B1 (en) | 2012-08-07 | 2013-07-18 | Novel fused polycyclic compound and organic light-emitting device, display apparatus, image information processing apparatus, lighting system, and image forming apparatus having the compound |
| US14/419,920 US20150212450A1 (en) | 2012-08-07 | 2013-07-18 | Novel fused polycyclic compound and organic light-emitting device, display apparatus, image information processing apparatus, lighting system, and image forming apparatus having the compound |
| PCT/JP2013/070127 WO2014024687A1 (en) | 2012-08-07 | 2013-07-18 | Novel fused polycyclic compound and organic light-emitting device, display apparatus, image information processing apparatus, lighting system, and image forming apparatus having the compound |
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| JP2012174880A JP6016511B2 (ja) | 2012-08-07 | 2012-08-07 | 新規縮合多環化合物、それを有する有機発光素子、表示装置、画像情報処理装置、照明装置及び画像形成装置 |
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| JP6552201B2 (ja) * | 2015-01-19 | 2019-07-31 | キヤノン株式会社 | 有機発光素子 |
| KR102596211B1 (ko) | 2018-08-07 | 2023-10-30 | 엘지디스플레이 주식회사 | 유기 화합물, 이를 포함하는 유기발광다이오드 및 유기발광장치 |
| JP7286465B2 (ja) * | 2019-08-02 | 2023-06-05 | キヤノン株式会社 | 有機化合物及び有機発光素子 |
| JP7218261B2 (ja) * | 2019-09-05 | 2023-02-06 | キヤノン株式会社 | 有機化合物及び有機発光素子 |
| JP7218322B2 (ja) * | 2019-10-03 | 2023-02-06 | キヤノン株式会社 | 有機化合物、有機発光素子、表示装置、撮像装置、照明装置、移動体 |
| JP7638645B2 (ja) * | 2020-09-11 | 2025-03-04 | キヤノン株式会社 | 有機化合物及び有機発光素子 |
| KR102578856B1 (ko) * | 2021-04-13 | 2023-09-18 | 삼성디스플레이 주식회사 | 유기 발광 소자 |
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| JP3731971B2 (ja) * | 1997-04-17 | 2006-01-05 | 三井化学株式会社 | 有機電界発光素子 |
| US6242115B1 (en) * | 1997-09-08 | 2001-06-05 | The University Of Southern California | OLEDs containing thermally stable asymmetric charge carrier materials |
| JP2002148838A (ja) * | 2000-11-15 | 2002-05-22 | Canon Inc | 画像形成装置及び画像形成方法 |
| JP2003092195A (ja) * | 2001-09-18 | 2003-03-28 | Toritsu Tsushin Kogyo Kk | Led表示装置 |
| TWI314947B (en) * | 2002-04-24 | 2009-09-21 | Eastman Kodak Compan | Organic light emitting diode devices with improved operational stability |
| JP2004355992A (ja) * | 2003-05-30 | 2004-12-16 | Shigemasa Kitajima | 発光ユニット |
| JP4400134B2 (ja) * | 2003-07-31 | 2010-01-20 | Tdk株式会社 | 有機el素子用化合物及び有機el素子 |
| JP4208903B2 (ja) * | 2006-06-30 | 2009-01-14 | キヤノン株式会社 | アクティブマトリクス型表示装置及びそれを用いた情報処理装置 |
| JP5414258B2 (ja) * | 2008-12-10 | 2014-02-12 | キヤノン株式会社 | ベンゾインデノクリセン化合物及びこれを用いた有機発光素子 |
| JP5424635B2 (ja) * | 2008-12-19 | 2014-02-26 | キヤノン株式会社 | ジアセナフト[1,2−b:1’,2’−k]クリセン誘導体 |
| JP5709382B2 (ja) * | 2009-03-16 | 2015-04-30 | キヤノン株式会社 | 新規クリセン化合物及びこれを有する有機発光素子 |
| JP5618555B2 (ja) * | 2009-04-23 | 2014-11-05 | キヤノン株式会社 | 新規有機化合物および発光素子および画像表示装置 |
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| Publication number | Publication date |
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| EP2882707A1 (en) | 2015-06-17 |
| US20150212450A1 (en) | 2015-07-30 |
| JP2014034520A (ja) | 2014-02-24 |
| WO2014024687A1 (en) | 2014-02-13 |
| EP2882707B1 (en) | 2017-03-08 |
| EP2882707A4 (en) | 2016-03-23 |
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