CN114981274A - 有机电致发光器件、显示面板、显示装置和发光装置 - Google Patents

有机电致发光器件、显示面板、显示装置和发光装置 Download PDF

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CN114981274A
CN114981274A CN202080003696.7A CN202080003696A CN114981274A CN 114981274 A CN114981274 A CN 114981274A CN 202080003696 A CN202080003696 A CN 202080003696A CN 114981274 A CN114981274 A CN 114981274A
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organic electroluminescent
electroluminescent device
buffer layer
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陈雪芹
刘杨
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BOE Technology Group Co Ltd
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
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    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
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    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
    • C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D495/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2101/00—Properties of the organic materials covered by group H10K85/00
    • H10K2101/10—Triplet emission
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2101/00—Properties of the organic materials covered by group H10K85/00
    • H10K2101/40—Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H10K50/156—Hole transporting layers comprising a multilayered structure
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/18—Carrier blocking layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/18—Carrier blocking layers
    • H10K50/181—Electron blocking layers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

本公开提供一种有机电致发光器件、显示面板、显示装置和发光装置，属于显示技术领域。有机电致发光器件包括依次层叠设置的阳极、电子阻挡层、缓冲层、有机发光层和阴极；其中，所述缓冲层的厚度在1～100nm范围内；所述缓冲层的材料包括化学式1所示的化合物。该有机电致发光器件能够提高器件寿命。
Figure DDA0002863915580000011

Description

PCT国内申请，说明书已公开。

Claims (19)

  1. PCT国内申请，权利要求书已公开。
CN202080003696.7A 2020-12-25 2020-12-25 有机电致发光器件、显示面板、显示装置和发光装置 Pending CN114981274A (zh)

Applications Claiming Priority (1)

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PCT/CN2020/139629 WO2022134074A1 (zh) 2020-12-25 2020-12-25 有机电致发光器件、显示面板、显示装置和发光装置

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CN114981274A true CN114981274A (zh) 2022-08-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013179645A1 (ja) * 2012-05-30 2013-12-05 出光興産株式会社 有機エレクトロルミネッセンス素子用材料及びそれを用いた有機エレクトロルミネッセンス素子
WO2014057659A1 (ja) * 2012-10-12 2014-04-17 出光興産株式会社 化合物及びそれを用いた有機エレクトロルミネッセンス素子
JP2015019019A (ja) * 2013-07-12 2015-01-29 出光興産株式会社 有機エレクトロルミネッセンス素子
CN107619412A (zh) * 2016-07-15 2018-01-23 株式会社Lg化学 新的杂环化合物及利用它的有机发光元件
KR20180138422A (ko) * 2017-06-21 2018-12-31 성균관대학교산학협력단 지연형광 재료 및 이를 발광층의 호스트 재료 또는 도펀트 재료로 포함하는 유기발광장치
KR20190010499A (ko) * 2017-07-20 2019-01-30 주식회사 엘지화학 신규한 헤테로 고리 화합물 및 이를 이용한 유기 발광 소자

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013179645A1 (ja) * 2012-05-30 2013-12-05 出光興産株式会社 有機エレクトロルミネッセンス素子用材料及びそれを用いた有機エレクトロルミネッセンス素子
WO2014057659A1 (ja) * 2012-10-12 2014-04-17 出光興産株式会社 化合物及びそれを用いた有機エレクトロルミネッセンス素子
JP2015019019A (ja) * 2013-07-12 2015-01-29 出光興産株式会社 有機エレクトロルミネッセンス素子
CN107619412A (zh) * 2016-07-15 2018-01-23 株式会社Lg化学 新的杂环化合物及利用它的有机发光元件
KR20180138422A (ko) * 2017-06-21 2018-12-31 성균관대학교산학협력단 지연형광 재료 및 이를 발광층의 호스트 재료 또는 도펀트 재료로 포함하는 유기발광장치
KR20190010499A (ko) * 2017-07-20 2019-01-30 주식회사 엘지화학 신규한 헤테로 고리 화합물 및 이를 이용한 유기 발광 소자

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