JP7060565B2 - 遅延蛍光を示す有機発光化合物 - Google Patents
遅延蛍光を示す有機発光化合物 Download PDFInfo
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- JP7060565B2 JP7060565B2 JP2019218425A JP2019218425A JP7060565B2 JP 7060565 B2 JP7060565 B2 JP 7060565B2 JP 2019218425 A JP2019218425 A JP 2019218425A JP 2019218425 A JP2019218425 A JP 2019218425A JP 7060565 B2 JP7060565 B2 JP 7060565B2
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- VEPOHXYIFQMVHW-XOZOLZJESA-N 2,3-dihydroxybutanedioic acid (2S,3S)-3,4-dimethyl-2-phenylmorpholine Chemical compound OC(C(O)C(O)=O)C(O)=O.C[C@H]1[C@@H](OCCN1C)c1ccccc1 VEPOHXYIFQMVHW-XOZOLZJESA-N 0.000 description 2
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- 239000002243 precursor Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
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Description
有機発光デバイス中の特定の層に有用として本明細書において記述されている材料は、デバイス中に存在する多種多様な他の材料と組み合わせて使用され得る。例えば、本明細書において開示されている化合物は、多種多様なホスト、輸送層、ブロッキング層、注入層、電極、及び存在し得る他の層と併せて使用され得る。以下で記述又は参照される材料は、本明細書において開示されている化合物と組み合わせて有用となり得る材料の非限定的な例であり、当業者であれば、組み合わせて有用となり得る他の材料を特定するための文献を容易に閲覧することができる。
HIL/HTL:
ホスト:
HBL:
ETL:
110 基板
115 アノード
120 正孔注入層
125 正孔輸送層
130 電子ブロッキング層
135 発光層
140 正孔ブロッキング層
145 電子輸送層
150 電子注入層
155 保護層
160 カソード
162 第一の導電層
164 第二の導電層
200 反転させたOLED、デバイス
210 基板
215 カソード
220 発光層
225 正孔輸送層
230 アノード
Claims (4)
- 第1の有機発光デバイスを含む第1のデバイスであって、
前記第1の有機発光デバイスが、アノードと、カソードと、前記アノードと前記カソードとの間に配置された有機層とを更に含み、
前記有機層が発光層であり、
前記発光層が、前記第1の有機発光デバイスに電圧が印加されたときに、室温で光放射を発し、前記光放射が、遅延蛍光プロセスを含む下記の式Iで表される遅延蛍光発光性ドーパントから発することを特徴とする第1のデバイス。
R1及びR2は、それぞれ独立して、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルフォニル、ホスフィノ及びこれらの組み合わせからなる群から選択され;
R1及びR2は、結合して環を形成してもよく、前記環は、更に置換されてもよく;
G1は、電子供与性基又は電子受容性基であり;
G2は、電子供与性基又は電子受容性基であり;
G1が電子供与性基である場合、G2は電子受容性基であり;
G1が電子受容性基である場合、G2は電子供与性基であり;
前記電子供与性基が、以下のD101~D107、D110~D120、D141~D142、D144~D149、D155~D159、及びD165~D168からなる群から選択され;
前記電子受容性基は、以下のA101からA132からなる群から選択される。
- 前記式Iで表される遅延蛍光発光性ドーパントのB3LYP汎関数と6-31g(d)基底関数を含むガウシアン09ソフトウエアパッケージを用いた密度汎関数理論計算による一重項―三重項エネルギーギャップのΔES-Tが、0eV~0.08eVである請求項1に記載の第1のデバイス。
- 基板上にアノードを堆積させること;
請求項1に記載の式Iで表される遅延蛍光発光性ドーパントを含む少なくとも1つの発光層を堆積させること;及び
カソードを堆積させることを含むことを特徴とする第1の有機発光デバイスの作製方法。
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US9512136B2 (en) * | 2012-11-26 | 2016-12-06 | Universal Display Corporation | Organic electroluminescent materials and devices |
WO2015022835A1 (ja) * | 2013-08-14 | 2015-02-19 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子、照明装置、表示装置及び蛍光発光性化合物 |
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US10461269B2 (en) | 2013-12-20 | 2019-10-29 | Molecular Glasses, Inc. | Crosslinkable, /polymerizable and combinations thereof charge-transporting molecular glass mixtures, luminescent molecular glass mixtures, or combinations thereof for organic light emitting diodes and other organic electronics and photonics applications and method of making same |
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US10461260B2 (en) * | 2014-06-03 | 2019-10-29 | Universal Display Corporation | Organic electroluminescent materials and devices |
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KR101714509B1 (ko) * | 2014-11-28 | 2017-03-09 | 주식회사 랩토 | 디벤조-벤지미다졸 유도체 및 이를 포함한 유기 전계발광 소자 |
US9806269B2 (en) | 2014-12-05 | 2017-10-31 | Lg Display Co., Ltd. | Delayed fluorescence compound, and organic light emitting diode and display device using the same |
KR102454041B1 (ko) * | 2014-12-05 | 2022-10-14 | 엘지디스플레이 주식회사 | 지연 형광 화합물, 이를 포함하는 유기발광다이오드소자 및 표시장치 |
WO2016109274A1 (en) | 2014-12-30 | 2016-07-07 | Dow Global Technologies Llc | Fluorene derivatives as light emitting elements for electroluminescent devices |
EP3053918B1 (en) | 2015-02-06 | 2018-04-11 | Idemitsu Kosan Co., Ltd. | 2-carbazole substituted benzimidazoles for electronic applications |
KR102312728B1 (ko) * | 2015-03-26 | 2021-10-14 | 덕산네오룩스 주식회사 | 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
GB201507340D0 (en) * | 2015-04-29 | 2015-06-10 | Univ St Andrews | Light emitting devices and compounds |
TWI757234B (zh) * | 2015-05-21 | 2022-03-11 | 日商半導體能源研究所股份有限公司 | 發光元件、顯示裝置、電子裝置、及照明裝置 |
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US9512136B2 (en) | 2016-12-06 |
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US20140145149A1 (en) | 2014-05-29 |
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