JP4904002B2 - スピロシクロペンタフェナントレンフルオレン系化合物及びそれを利用した有機el素子 - Google Patents
スピロシクロペンタフェナントレンフルオレン系化合物及びそれを利用した有機el素子 Download PDFInfo
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Description
2,7−ジブロモフルオレン(18.9g、58.32mmol)をt−ブチルヒドロパーオキシド(70wt% in water)(97mL)に溶かし、CrO3(0.3g)を添加した後、常温で12時間撹拌した。
[合成例2:4−(4H−シクロペンタ[def]フェナントレニル)−2,7−ジブロモ−4−スピロフルオレンの製造]
2−ブロモフェナントレン(Synthetic communication,9(5),377(1979)参照;20g、77.8mmol)を無水THF(300mL)に溶かした後、反応条件を−78℃に冷却させた。前記混合物に2.5Mノルマルブチルリチウム(62.4mL、156mmol)を添加し、30分間の冷却下で撹拌した。2,7−ジブロモフルオレン−4−オン(24.67g、73mmol)を無水THF(500mL)に溶かしてゆっくり滴加した後、30分間冷却しつつ撹拌した。
MASS(m/z):500(M+2)、419、339、263、207、169
[合成例3:ポリ(スピロシクロペンタフェナントレンフルオレン)の合成]
シュレンクフラスコ内部の水分を真空及び窒素置換で完全に除去した後、ビス1,5−シクロオクタジエンニッケル(O)0.444g(1.614mmol)と、2,2’−ビピリジン0.252g(1.614mmol)とをグローブボックス内に投入した後、フラスコ内部を真空及び窒素に置換した。
基板上部にITO(Indium−Tin Oxide)をコーティングしてITO層を有する透明電極基板を得た。前記ITO層を感光性樹脂とエッチャントとを利用して所望の形にパターニングし、UVを利用して洗浄した。その上に、伝導性バッファ層としてBayer社のBatron P 4083を約80nmの厚さにコーティングした後、180℃で約1時間ベーキングした。次に、合成例4によって製造された高分子をトルエンに溶解させて製造された高分子溶液を、前記バッファ層上にスピンコーティングし、ベーキング処理後に真空オーブン内から溶媒を完全に除去して発光層を形成させた。この時、前記高分子溶液は、スピンコーティングに適用する以前に0.2mmフィルタで濾過され、高分子薄膜の厚さは、前記高分子溶液の濃度とスピン速度とを調節することによって、約80nmになるように調節された。次に、前記発光層上部に真空蒸着器を利用し、真空度を4×10−6torr以下に保持しつつ、CaとAlとを順次に蒸着した。蒸着時の膜厚及び膜の成長速度は、クリスタルセンサを利用して調節した。このように製作された電界発光素子は、ITO/ポリチオフェン誘導体(PEDOT)/発光高分子/Ca/Alの構造を有し、発光面積は4mm2であった。
Claims (11)
- 下記化学式1で表されるスピロシクロペンタフェナントレンフルオレン系化合物:
式中、XはC、N、O、SまたはSiであり、
R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12は、互いに独立して、水素原子、ハロゲン原子、ヒドロキシ基、置換されたまたは非置換のアミノ基、シアノ基、置換されたまたは非置換の炭素数1〜20のアルキル基、置換されたまたは非置換の炭素数3〜20のシクロアルキル基、置換されたまたは非置換の炭素数1〜20のアルコキシ基、置換されたまたは非置換の炭素数6〜30のアリール基、置換されたまたは非置換の炭素数6〜30のアリールアルキル基、置換されたまたは非置換の炭素数2〜30のヘテロアリール基からなる群から選択され、
R1、R2、R3、R4、R5、R6、R7、R8のうち2組以上の隣接した置換基、ならびに、R9及びR10、R11及びR12の少なくとも一方が互いに連結されて飽和または不飽和環を形成していてもよく、
mは2ないし5,000の実数である。 - アリーレン(Ar)繰り返し単位をさらに含み、下記化学式2で表される、請求項1に記載のスピロシクロペンタフェナントレンフルオレン系化合物:
式中、Arは置換されたまたは非置換の炭素数6〜30のアリーレン基、置換されたまたは非置換の炭素数2〜30のヘテロアリーレン基、または置換されたまたは非置換の炭素数2〜30のヘテロ環基であり、
R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12は前述の通りであり、
mは2ないし5,000の実数であり、
nは0.01〜1.0の実数である。 - 前記Arは、下記化学式3で表される群から選択されたいずれかの構造を有する、請求項2に記載のスピロシクロペンタフェナントレンフルオレン系化合物:
式中、YはOまたはSであり、
R13、R14、R15及びR16は、互いに独立して、水素原子、ヒドロキシ基、置換されたまたは非置換のアミノ基、シアノ基、ハロゲン原子、置換されたまたは非置換の炭素数1〜20のアルキル基、置換されたまたは非置換の炭素数3〜20のシクロアルキル基、置換されたまたは非置換の炭素数1〜20のアルコキシ基、置換されたまたは非置換の炭素数6〜30のアリール基、および、置換されたまたは非置換の炭素数2〜30のヘテロアリール基からなる群より選択される。 - 前記化合物は、下記化学式4で表されることを特徴とする請求項1に記載のスピロシクロペンタフェナントレンフルオレン系化合物:
式中、mは2ないし5,000の実数である。 - 前記化合物は、下記化学式5で表される化合物であることを特徴とする請求項2に記載のスピロシクロペンタフェナントレンフルオレン系化合物:
式中、R18は炭素数1ないし12のアルキル基であり、nは0.01〜0.99の実数であり、mは2ないし5,000の実数である。 - 前記化合物は、下記化学式6で表される化合物であることを特徴とする請求項5に記載のスピロシクロペンタフェナントレンフルオレン系化合物:
式中、nは0.01〜0.99の実数であり、mは2ないし5,000の実数である。 - 1対の電極間に有機膜を含む有機EL素子において、
前記有機膜は、請求項1ないし6のうちいずれか1項に記載のスピロシクロペンタフェナントレンフルオレン系化合物を含むことを特徴とする有機EL素子。 - 前記有機膜は、発光層、ホール輸送層または電子輸送層であることを特徴とする請求項7に記載の有機EL素子。
- 前記有機膜は、ドーパントをさらに含む発光層であることを特徴とする請求項7または8に記載の有機EL素子。
- 前記発光層における前記スピロシクロペンタフェナントレンフルオレン系化合物の含有量は、発光層の形成材料の総重量100質量部を基準として、30ないし80質量部であることを特徴とする請求項9に記載の有機EL素子。
- 前記スピロシクロペンタフェナントレンフルオレン系化合物の数平均分子量は、10,000以上であることを特徴とする請求項7〜10のいずれか1項に記載の有機EL素子。
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| KR10-2004-0002928 | 2004-01-15 | ||
| KR1020040002928A KR100718104B1 (ko) | 2004-01-15 | 2004-01-15 | 스피로사이클로펜타페난트렌플루오렌계 화합물 및 이를이용한 유기 전계 발광 소자 |
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|---|---|
| US (1) | US7348073B2 (ja) |
| JP (1) | JP4904002B2 (ja) |
| KR (1) | KR100718104B1 (ja) |
| CN (1) | CN100567231C (ja) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101202340B1 (ko) * | 2005-01-21 | 2012-11-16 | 삼성디스플레이 주식회사 | 청색 발광 화합물 및 이를 채용한 유기 전계 발광 소자 |
| JP5407122B2 (ja) * | 2006-08-01 | 2014-02-05 | 住友化学株式会社 | 高分子化合物および高分子発光素子 |
| US8961830B2 (en) | 2006-10-11 | 2015-02-24 | University Of Florida Research Foundation, Inc. | Electroactive polymers containing pendant pi-interacting/binding substituents, their carbon nanotube composites, and processes to form the same |
| KR101328974B1 (ko) * | 2006-10-31 | 2013-11-13 | 삼성디스플레이 주식회사 | 유기 전계 발광 화합물 및 이를 이용한 유기 전계 발광소자 |
| KR101453873B1 (ko) * | 2007-10-08 | 2014-10-24 | 삼성디스플레이 주식회사 | 사이클로펜타페난트렌계 화합물 및 이를 이용한 유기 발광소자 |
| KR101473306B1 (ko) * | 2007-11-05 | 2014-12-16 | 삼성디스플레이 주식회사 | 사이클로펜타페난트렌계 화합물 및 이를 이용한 유기 전계발광 소자 |
| US9153790B2 (en) * | 2009-05-22 | 2015-10-06 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent device |
| DE102010033080A1 (de) * | 2010-08-02 | 2012-02-02 | Merck Patent Gmbh | Polymere mit Struktureinheiten, die Elektronen-Transport-Eigenschaften aufweisen |
| JP5901167B2 (ja) * | 2010-10-27 | 2016-04-06 | キヤノン株式会社 | スピロ[シクロペンタ[def]トリフェニレン−4,9’−フルオレン]化合物及びそれを有する有機発光素子 |
| KR101990553B1 (ko) | 2012-04-17 | 2019-06-19 | 삼성디스플레이 주식회사 | 신규한 유기 발광 소자용 화합물 및 이를 포함한 유기 발광 소자 |
| KR102079249B1 (ko) | 2012-06-12 | 2020-02-20 | 삼성디스플레이 주식회사 | 신규한 유기 발광 소자용 화합물 및 이를 포함한 유기 발광 소자 |
| KR102098740B1 (ko) * | 2012-07-11 | 2020-04-09 | 삼성디스플레이 주식회사 | 전자 주입 능력 및/또는 전자 수송 능력을 가지는 신규한 화합물 및 이를 포함한 유기 발광 소자 |
| CN105131939B (zh) * | 2015-08-28 | 2017-03-22 | 中节能万润股份有限公司 | 一种具有螺环结构的有机电致发光材料及其应用 |
| KR102573815B1 (ko) | 2016-05-09 | 2023-09-04 | 삼성디스플레이 주식회사 | 다환 화합물 및 이를 포함하는 유기 전계 발광 소자 |
| CN108117511B (zh) * | 2016-11-30 | 2022-05-27 | 北京鼎材科技有限公司 | 螺芴环化合物、其用途及采用其的有机电致发光器件 |
| JP6866333B2 (ja) * | 2018-08-16 | 2021-04-28 | エルジー・ケム・リミテッド | 4又は5位に芳香族アミノ基が置換したフルオレン誘導体を繰り返し単位として主鎖に含むポリマー、その正孔輸送材料としての使用、並びにそれを含む有機電子デバイス |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4436773A1 (de) * | 1994-10-14 | 1996-04-18 | Hoechst Ag | Konjugierte Polymere mit Spirozentren und ihre Verwendung als Elektrolumineszenzmaterialien |
| CN1229415C (zh) * | 1995-07-28 | 2005-11-30 | 陶氏环球技术公司 | 2,7-芳基-9-取代的芴和9-取代的芴的低聚物和聚合物 |
| US5763636A (en) * | 1995-10-12 | 1998-06-09 | Hoechst Aktiengesellschaft | Polymers containing spiro atoms and methods of using the same as electroluminescence materials |
| KR19990071499A (ko) * | 1995-12-01 | 1999-09-27 | 에프. 아. 프라저, 에른스트 알테르 (에. 알테르), 한스 페터 비틀린 (하. 페. 비틀린), 피. 랍 보프, 브이. 스펜글러, 페. 아에글러 | 폴리(9,9'-스피로비스플루오렌), 이들의 제조 및 이들의 용도 |
| JP4112007B2 (ja) * | 1996-03-04 | 2008-07-02 | デュポン ディスプレイズ, インコーポレイテッド | フォトルミネセンスおよびエレクトロルミネセンス用材料としてのポリフルオレン |
| DE19615128A1 (de) * | 1996-04-17 | 1997-10-30 | Hoechst Ag | Konjugierte Polymere mit Hetero-Spiroatomen und ihre Verwendung als Elektrolumineszenzmaterialien |
| DE60127568T2 (de) | 2000-10-03 | 2007-12-13 | Cambridge Display Technology Ltd. | Lichtemittierende polymermischungen und daraus hergestellte lichtemittierende anordnungen |
| EP1381639B1 (de) * | 2001-03-24 | 2004-09-08 | Covion Organic Semiconductors GmbH | Konjugierte polymere enthaltend spirobifluoren-einheiten und fluoren-einheiten und deren verwendung |
| JP4157361B2 (ja) * | 2002-11-01 | 2008-10-01 | 株式会社トクヤマ | 9−スピロフルオレン化合物の製造方法 |
| KR100773522B1 (ko) * | 2003-10-02 | 2007-11-07 | 삼성에스디아이 주식회사 | 사이클로펜타페난트렌계 화합물 및 이를 이용한 유기 전계발광 소자 |
| US20060094859A1 (en) * | 2004-11-03 | 2006-05-04 | Marrocco Matthew L Iii | Class of bridged biphenylene polymers |
-
2004
- 2004-01-15 KR KR1020040002928A patent/KR100718104B1/ko not_active Expired - Lifetime
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2005
- 2005-01-12 JP JP2005005273A patent/JP4904002B2/ja not_active Expired - Lifetime
- 2005-01-13 US US11/033,887 patent/US7348073B2/en not_active Expired - Lifetime
- 2005-01-17 CN CNB2005100044369A patent/CN100567231C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20050158583A1 (en) | 2005-07-21 |
| US7348073B2 (en) | 2008-03-25 |
| CN100567231C (zh) | 2009-12-09 |
| KR20050075130A (ko) | 2005-07-20 |
| CN1651368A (zh) | 2005-08-10 |
| KR100718104B1 (ko) | 2007-05-14 |
| JP2005206838A (ja) | 2005-08-04 |
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