CN115088089A - 有机电致发光器件和显示装置 - Google Patents

有机电致发光器件和显示装置 Download PDF

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CN115088089A
CN115088089A CN202080003698.6A CN202080003698A CN115088089A CN 115088089 A CN115088089 A CN 115088089A CN 202080003698 A CN202080003698 A CN 202080003698A CN 115088089 A CN115088089 A CN 115088089A
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layer
homo
organic electroluminescent
electroluminescent device
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CN115088089B (zh
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孙玉倩
刘杨
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BOE Technology Group Co Ltd
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14Carrier transporting layers
    • H10K50/15Hole transporting layers
    • HELECTRICITY
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
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    • HELECTRICITY
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
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    • HELECTRICITY
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details
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    • H10K59/8051Anodes
    • HELECTRICITY
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/631Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
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    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/649Aromatic compounds comprising a hetero atom
    • H10K85/657Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6576Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
    • HELECTRICITY
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2101/00Properties of the organic materials covered by group H10K85/00
    • H10K2101/40Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers
    • HELECTRICITY
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    • H10K2101/00Properties of the organic materials covered by group H10K85/00
    • H10K2101/90Multiple hosts in the emissive layer
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
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    • H10K85/615Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/622Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
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    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/631Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • HELECTRICITY
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    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/649Aromatic compounds comprising a hetero atom
    • H10K85/654Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
    • HELECTRICITY
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/649Aromatic compounds comprising a hetero atom
    • H10K85/657Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6572Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/649Aromatic compounds comprising a hetero atom
    • H10K85/657Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6574Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes

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

Abstract

一种有机电致发光器件(310),包括阳极(301)、阴极(303),设于阳极(301)和阴极(303)之间的发光层(302),以及设于发光层(302)的朝向阳极(301)一侧的电子阻挡层(306);发光层(302)包括主体材料和掺杂材料,主体材料包括N型材料和P型材料;电子阻挡层(306)的材料与N型材料满足:2.75eV≤│LUMON‑host‑HOMOEBL│<3.05eV;0.3<│HOMON‑host‑HOMOEBL│≤1eV,且│HOMOEBL│<│HOMON‑host│;电子阻挡层(306)的材料与N型材料形成的激基复合物的发光光谱曲线的峰值波长与掺杂材料的吸收光谱曲线的吸收带边波长的差值为△λ,△λ>30nm。

Description

PCT国内申请,说明书已公开。

Claims (14)

  1. PCT国内申请,权利要求书已公开。
CN202080003698.6A 2020-12-28 2020-12-28 有机电致发光器件和显示装置 Active CN115088089B (zh)

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Citations (5)

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WO2015034125A1 (ko) * 2013-09-06 2015-03-12 제일모직 주식회사 유기광전자소자용 조성물, 유기 광전자 소자 및 표시 장치
WO2018173600A1 (ja) * 2017-03-21 2018-09-27 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
JP2019068068A (ja) * 2017-09-29 2019-04-25 株式会社Kyulux 発光素子
CN109890787A (zh) * 2016-11-02 2019-06-14 默克专利有限公司 用于电子器件的材料
CN111293228A (zh) * 2020-02-25 2020-06-16 昆山国显光电有限公司 发光器件和显示面板

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WO2013077362A1 (ja) * 2011-11-22 2013-05-30 出光興産株式会社 芳香族複素環誘導体、有機エレクトロルミネッセンス素子用材料および有機エレクトロルミネッセンス素子
JP5978843B2 (ja) * 2012-02-02 2016-08-24 コニカミノルタ株式会社 イリジウム錯体化合物、有機エレクトロルミネッセンス素子材料、有機エレクトロルミネッセンス素子、照明装置及び表示装置
KR20150141047A (ko) * 2014-06-09 2015-12-17 주식회사 두산 유기 전계 발광 소자
CN107251258B (zh) * 2014-10-24 2019-04-26 德山新勒克斯有限公司 利用有机电子元件用组成物的显示器及有机电子元件
KR102417122B1 (ko) * 2014-11-12 2022-07-06 삼성디스플레이 주식회사 유기 발광 소자
JP6946186B2 (ja) * 2014-11-21 2021-10-06 メルク パテント ゲーエムベーハー ヘテロ環化合物
KR101830709B1 (ko) * 2015-11-06 2018-02-21 희성소재(주) 헤테로고리 화합물 및 이를 이용한 유기 발광 소자
KR101856728B1 (ko) * 2017-08-10 2018-05-10 주식회사 엘지화학 유기 발광 소자

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015034125A1 (ko) * 2013-09-06 2015-03-12 제일모직 주식회사 유기광전자소자용 조성물, 유기 광전자 소자 및 표시 장치
CN109890787A (zh) * 2016-11-02 2019-06-14 默克专利有限公司 用于电子器件的材料
WO2018173600A1 (ja) * 2017-03-21 2018-09-27 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
CN110462867A (zh) * 2017-03-21 2019-11-15 柯尼卡美能达株式会社 有机电致发光元件
JP2019068068A (ja) * 2017-09-29 2019-04-25 株式会社Kyulux 発光素子
CN111293228A (zh) * 2020-02-25 2020-06-16 昆山国显光电有限公司 发光器件和显示面板

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CN117177600A (zh) 2023-12-05
US20230107826A1 (en) 2023-04-06
WO2022140878A1 (zh) 2022-07-07

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