JP6071398B2 - インデノ[1,2−b]フェナンスレン化合物及びこれを有する有機発光素子 - Google Patents
インデノ[1,2−b]フェナンスレン化合物及びこれを有する有機発光素子 Download PDFInfo
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- JP6071398B2 JP6071398B2 JP2012222890A JP2012222890A JP6071398B2 JP 6071398 B2 JP6071398 B2 JP 6071398B2 JP 2012222890 A JP2012222890 A JP 2012222890A JP 2012222890 A JP2012222890 A JP 2012222890A JP 6071398 B2 JP6071398 B2 JP 6071398B2
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Images
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- C07C13/54—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with three condensed rings
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- C07C13/567—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with three condensed rings at least one ring not being six-membered, the other rings being at the most six-membered with a fluorene or hydrogenated fluorene ring system
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- C07C13/62—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings
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Description
A 1 で表される2価の炭化水素芳香族基は、フェニレン基、ナフタレンジイル基、フェナンスレンジイル基、アントラセンジイル基、ベンゾ[a]アントラセンジイル基、フルオレンジイル基、ベンゾ[a]フルオレンジイル基、ベンゾ[b]フルオレンジイル基、ベンゾ[c]フルオレンジイル基、ジベンゾ[a,c]フルオレンジイル基、ジベンゾ[b,h]フルオレンジイル基、ジベンゾ[c,g]フルオレンジイル基、ビフェニレンジイル基、アセナフチレンジイル基、クリセンジイル基、ベンゾ[b]クリセンジイル基、ピレンジイル基、ベンゾ[e]ピレンジイル基、トリフェニレンジイル基、ベンゾ[a]トリフェニレンジイル基、ベンゾ[b]トリフェニレンジイル基、ピセンジイル基、フルオランテンジイル基、ベンゾ[a]フルオランテンジイル基、ベンゾ[b]フルオランテンジイル基、ベンゾ[j]フルオランテンジイル基、ベンゾ[k]フルオランテンジイル基、ペリレンジイル基、ナフタセンジイル基のいずれかである。)
まず本発明のインデノ[1,2−b]フェナンスレン化合物について説明する。本発明のインデノ[1,2−b]フェナンスレン化合物は、下記一般式[1]で示される化合物である。
次に、本発明のインデノ[1,2−b]フェナンスレン化合物の合成方法について説明する。
(A)インデノ[1,2−b]フェナンスレンの2位に塩素原子が置換された化合物
(B)置換基A1−(A2)n−Hが結合されたピナコールボランエステル化合物
(A’)インデノ[1,2−b]フェナンスレンの2位にピナコールボランエステル基が置換された化合物
(B’)Hal−A1−(A2)n−Hで表される化合物(Hal:ハロゲン原子)
(1)Pd触媒によるクロスカップリング反応
(2)Wittig反応
(3)酸環化反応
一般に、有機発光素子において、発光効率の低下や耐久寿命の悪化を招く原因の一つとして、発光層内での発光領域(キャリア再結合領域)の局所化がある。発光領域の局所化は、発光層内に供給される正孔及び電子の両キャリアに関して、一方のキャリアの供給が過多又は過小となってキャリアバランスが崩れたときに起こりやすい。この時、両キャリアは発光層の内部まで十分に輸送されないので、キャリア輸送層と発光層との界面付近において局所的な発光が生じてしまう。
以下に、本発明に係るインデノ[1,2−b]フェナンスレン化合物の具体例を示す。ただし本発明は、これら具体例に限定されるものではない。
次に、本発明の有機発光素子を説明する。
(1)陽極/発光層/陰極
(2)陽極/正孔輸送層/発光層/電子輸送層/陰極
(3)陽極/正孔輸送層/発光層/電子輸送層/電子注入層/陰極
(4)陽極/正孔注入層/正孔輸送層/発光層/電子輸送層/陰極
(5)陽極/正孔注入層/正孔輸送層/発光層/電子輸送層/電子注入層/陰極
(6)陽極/正孔輸送層/電子阻止層/発光層/正孔阻止層/電子輸送層/陰極
本発明の有機発光素子は、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。また有機発光素子には、さらにカラーフィルターを有していてよい。
(1)InPtCl−1の合成
2−ブロモ−4−クロロベンズアルデヒド:3.00g(13.7mmol)
FL−Bpin:4.47g(13.9mmol)
テトラキス(トリフェニルホスフィン)パラジウム(0):474mg(0.41mmol)
トルエン:60mL
エタノール:30mL
10重量%炭酸ナトリウム水溶液:30mL
実測値:m/z=328.102 計算値:C23H17Cl=328.288
[1H−NMR(400MHz、CDCl3)]
δ 8.71(d,1H),8.61(s,1H),8.19(s,1H),7.91−7.88(dd,1H),7.82(d,2H),7.68(d,1H),7.55−7.50(m,2H),7.42−7.39(m,2H),1.66(s,6H).
InPTCl−1:1.20g(3.65mmol)
ビスピナコラートジボロン:1.11g(4.38mmol)
酢酸パラジウム(0):41mg(0.182mmol)
SPhos(2−ジシクロヘキシルホスフィノ−2’,6’−ジメトキシビフェニル):150mg(0.365mmol)
酢酸カリウム:0.895g(9.12mmol)
1,4−ジオキサン(脱水):24mL
InPTBpin−1:500mg(1.19mmol)
3−(6−ブロモナフタレン−2−イル)クリセン:491mg(1.13mmol)
テトラキス(トリフェニルホスフィン)パラジウム(0):39mg(34μmol)
トルエン:16mL
エタノール:8mL
10重量%炭酸ナトリウム水溶液:8mL
実測値:m/z=646.454、計算値:C51H34=646.266
InPTCl−1:700mg(2.13mmol)
2FL−Bpin:1.14g(2.24mmol)
トリス(ジベンジリデンアセトン)ジパラジウム(0):97mg(0.106mmol)
XPhos(2−ジシクロヘキシルホスフィノ−2’,4’,6’−トリイソプロピルビフェニル):152mg(0.319mmol)
リン酸カリウム:1.35g(6.39mmol)
トルエン:36mL
水:1mL
実測値:m/z=678.519、計算値:C53H42=678.329
InPTBpin−1:300mg(0.714mmol)
DBTPh−Br:263mg(0.680mmol)
テトラキス(トリフェニルホスフィン)パラジウム(0):24mg(20μmol)
トルエン:10mL
エタノール:5mL
10重量%炭酸ナトリウム水溶液:5mL
実測値:m/z=552.375、計算値:C41H28S=552.191
InPTCl−1:300mg(0.912mmol)
5Ph−Bpin:478mg(0.940mmol)
トリス(ジベンジリデンアセトン)ジパラジウム(0):97mg(46μmol)
XPhos:66mg(0.138mmol)
リン酸カリウム:581mg(2.73mmol)
トルエン:15mL
水:0.3mL
実測値:m/z=674.502、計算値:C53H38=674.297
[実施例5]例示化合物A402の合成
InPTCl−1:300mg(0.912mmol)
tBuPy−Bpin:361mg(0.940mmol)
トリス(ジベンジリデンアセトン)ジパラジウム(0):97mg(46μmol)
XPhos:66mg(0.138mmol)
リン酸カリウム:581mg(2.73mmol)
トルエン:15mL
水:0.3mL
実測値:m/z=550.458、計算値:C43H34=550.266
実施例1(1)において、FL−Bpinの代わりにtBuFL−Bpinを用いたことを除いては、実施例1(1)と同様の方法によってInPTCl−2を合成した。
窒素置換した50mLナスフラスコに、以下に示す試薬、溶媒を投入した。
InPTCl−2:250mg(0.649mmol)
tBuPy−Bpin:252mg(0.668mmol)
トリス(ジベンジリデンアセトン)ジパラジウム(0):30mg(32μmol)
XPhos:46mg(96μmol)
リン酸カリウム:413mg(1.95mmol)
トルエン:12mL
水:0.3mL
実測値:m/z=598.561、計算値:C46H46=598.360
本実施例では、基板上に、陽極/正孔輸送層/電子阻止層/発光層/正孔阻止層/電子輸送層/陰極が順次設けられた構成の有機発光素子を以下に示す方法で作製した。以下に、使用した材料の一部を列挙する。
実施例7において、電子阻止層、発光層及び正孔阻止層の構成材料として用いた化合物を、下記表4に記載の化合物に変更した以外は、実施例7と同様の方法で有機発光素子を作製した。ここで実施例8乃至11、比較例1、2にてそれぞれ用いた材料の一部を以下に列挙する。
本実施例では、基板上に、陽極/正孔輸送層/電子阻止層/発光層/正孔阻止層/電子輸送層/陰極が順次設けられた構成の有機発光素子を以下に示す方法で作製した。以下に、使用した材料の一部を列挙する。
実施例1において、発光層に用いた化合物を、下記表6に記載の化合物に変更した以外は、実施例12と同様に素子を作製した。また得られた有機発光素子について実施例7と同様の方法により評価を行った。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/電子阻止層/発光層/正孔阻止層/電子輸送層/陰極が設けられた構成の有機発光素子を以下に示す方法で作製した。以下に、使用した材料の一部を列挙する。
実施例14において、発光層に用いた化合物を、下記表8に記載の化合物に変更した以外は、実施例14と同様に有機発光素子を作製した。また得られた有機発光素子について実施例7と同様の方法により評価を行った。結果を表8に示す。
Claims (18)
- 下記一般式[1]で示されることを特徴とする、インデノ[1,2−b]フェナンスレン化合物。
A 1 で表される2価の炭化水素芳香族基は、フェニレン基、ナフタレンジイル基、フェナンスレンジイル基、アントラセンジイル基、ベンゾ[a]アントラセンジイル基、フルオレンジイル基、ベンゾ[a]フルオレンジイル基、ベンゾ[b]フルオレンジイル基、ベンゾ[c]フルオレンジイル基、ジベンゾ[a,c]フルオレンジイル基、ジベンゾ[b,h]フルオレンジイル基、ジベンゾ[c,g]フルオレンジイル基、ビフェニレンジイル基、アセナフチレンジイル基、クリセンジイル基、ベンゾ[b]クリセンジイル基、ピレンジイル基、ベンゾ[e]ピレンジイル基、トリフェニレンジイル基、ベンゾ[a]トリフェニレンジイル基、ベンゾ[b]トリフェニレンジイル基、ピセンジイル基、フルオランテンジイル基、ベンゾ[a]フルオランテンジイル基、ベンゾ[b]フルオランテンジイル基、ベンゾ[j]フルオランテンジイル基、ベンゾ[k]フルオランテンジイル基、ペリレンジイル基、ナフタセンジイル基のいずれかである。) - 前記A 2 で表される2価の炭化水素芳香族基は、フェニレン基、ナフタレンジイル基、フェナンスレンジイル基、アントラセンジイル基、ベンゾ[a]アントラセンジイル基、フルオレンジイル基、ベンゾ[a]フルオレンジイル基、ベンゾ[b]フルオレンジイル基、ベンゾ[c]フルオレンジイル基、ジベンゾ[a,c]フルオレンジイル基、ジベンゾ[b,h]フルオレンジイル基、ジベンゾ[c,g]フルオレンジイル基、ビフェニレンジイル基、アセナフチレンジイル基、クリセンジイル基、ベンゾ[b]クリセンジイル基、ピレンジイル基、ベンゾ[e]ピレンジイル基、トリフェニレンジイル基、ベンゾ[a]トリフェニレンジイル基、ベンゾ[b]トリフェニレンジイル基、ピセンジイル基、フルオランテンジイル基、ベンゾ[a]フルオランテンジイル基、ベンゾ[b]フルオランテンジイル基、ベンゾ[j]フルオランテンジイル基、ベンゾ[k]フルオランテンジイル基、ペリレンジイル基、ナフタセンジイル基のいずれかであり、
前記A 2 で表される2価の複素芳香族基は、チオフェンジイル基、ピロールジイル基、ピラジンジイル基、ピリジンジイル基、インドールジイル基、キノリンジイル基、イソキノリンジイル基、ナフチリジンジイル基、アクリジンジイル基、フェナントロリンジイル基、カルバゾールジイル基、ベンゾ[a]カルバゾールジイル基、ベンゾ[b]カルバゾールジイル基、ベンゾ[c]カルバゾールジイル基、フェナジンジイル基、フェノキサジンジイル基、フェノチアジンジイル基、ベンゾチオフェンジイル基、ジベンゾチオフェンジイル基、ベンゾフランジイル基、ジベンゾフランジイル基、オキサゾールジイル基、オキサジアゾールジイル基、インデノ[3,2,1−kl]フェノキサジンジイル基、インデノ[3,2,1−jk]カルバゾールジイル基のいずれかであることを特徴とする、請求項1に記載のインデノ[1,2−b]フェナンスレン化合物。 - 前記X1及び前記X2が、いずれも水素原子であることを特徴とする、請求項1または2に記載のインデノ[1,2−b]フェナンスレン化合物。
- 前記nが、0又は1であることを特徴とする、請求項1乃至3のいずれか一項に記載のインデノ[1,2−b]フェナンスレン化合物。
- 一対の電極と、
前記一対の電極間に配置される有機化合物層と、を有し、
前記有機化合物層が、請求項1乃至6の何れか一項に記載のインデノ[1,2−b]フェナンスレン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発光層であることを特徴とする、請求項7に記載の有機発光素子。
- 前記発光層がホストとゲストから構成され、
前記ホストが、前記インデノ[1,2−b]フェナンスレン化合物であることを特徴とする、請求項8に記載の有機発光素子。 - 前記ゲストが、燐光発光材料であることを特徴とする、請求項9に記載の有機発光素子。
- 前記燐光発光材料がイリジウム錯体であることを特徴とする、請求項10に記載の有機発光素子。
- 前記発光層が複数の発光材料を有し、
前記複数の発光材料のいずれかが、前記一般式[1]で示される有機化合物であり、
前記発光層が白色を発することを特徴とする、請求項7乃至11のいずれか一項に記載の有機発光素子。 - 複数の発光層を有し、前記複数の発光層は、互いに異なる波長の光を発光する発光層であり、
前記複数の発光層のいずれかが、前記一般式[1]で示される有機化合物を有し、
白色を発光することを特徴とする、請求項7乃至11のいずれか一項に記載の有機発光素子。 - 複数の画素を有し、
前記画素が、請求項7乃至13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。 - 画像を表示するための表示部と、
画像情報を入力するための入力部と、を有し、
前記表示部が、請求項14に記載の表示装置であることを特徴とする、情報処理装置。 - 請求項7乃至13の何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、
前記露光手段が、請求項7乃至13の何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装置であって、
前記露光装置が、請求項7乃至13の何れか一項に記載の有機発光素子を有し、
前記有機発光素子が、列を形成して配置されていることを特徴とする、露光装置。
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EP (1) | EP2903957A4 (ja) |
JP (1) | JP6071398B2 (ja) |
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JP6071390B2 (ja) * | 2012-10-02 | 2017-02-01 | キヤノン株式会社 | 新規有機化合物、それを有する有機発光素子及び表示装置 |
KR102042191B1 (ko) | 2016-03-23 | 2019-11-07 | 삼성에스디아이 주식회사 | 유기 화합물, 유기 광전자 소자 및 표시 장치 |
JP6882331B2 (ja) | 2016-04-15 | 2021-06-02 | ベックマン コールター, インコーポレイテッド | 光活性巨大分子及びその使用 |
US11183641B2 (en) * | 2018-06-05 | 2021-11-23 | Shanghai Nichem Fine Chemical Co., Ltd. | Composition for an organic electronic device and organic electronic device using the same |
KR20230108911A (ko) | 2022-01-12 | 2023-07-19 | 주식회사 센텀머티리얼즈 | 인데노페난트렌 화합물 및 이를 포함하는 유기 발광 소자 |
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US5723072A (en) | 1996-06-17 | 1998-03-03 | Ppg Industries, Inc. | Photochromic heterocyclic fused indenonaphthopyrans |
US6358633B1 (en) | 1997-05-15 | 2002-03-19 | Sanyo Electric Co., Ltd. | Organic electroluminescence element |
TWI314947B (en) * | 2002-04-24 | 2009-09-21 | Eastman Kodak Compan | Organic light emitting diode devices with improved operational stability |
US7271406B2 (en) | 2003-04-15 | 2007-09-18 | 3M Innovative Properties Company | Electron transport agents for organic electronic devices |
KR100901887B1 (ko) * | 2008-03-14 | 2009-06-09 | (주)그라쎌 | 신규한 유기 발광 화합물 및 이를 채용하고 있는 유기 발광소자 |
KR101923936B1 (ko) * | 2011-04-29 | 2018-11-30 | 에스에프씨 주식회사 | 신규한 화합물 및 이를 포함하는 유기전계발광소자 |
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- 2013-09-10 CN CN201380051411.7A patent/CN104684876A/zh active Pending
- 2013-09-10 WO PCT/JP2013/074958 patent/WO2014054410A1/en active Application Filing
- 2013-09-10 EP EP13843110.1A patent/EP2903957A4/en not_active Withdrawn
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KR20150022898A (ko) | 2015-03-04 |
JP2014073995A (ja) | 2014-04-24 |
EP2903957A4 (en) | 2016-06-08 |
CN104684876A (zh) | 2015-06-03 |
EP2903957A1 (en) | 2015-08-12 |
WO2014054410A1 (en) | 2014-04-10 |
US20150255727A1 (en) | 2015-09-10 |
US9240553B2 (en) | 2016-01-19 |
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