CN115119525A - 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

Info

Publication number
CN115119525A
CN115119525A CN202180000053.1A CN202180000053A CN115119525A CN 115119525 A CN115119525 A CN 115119525A CN 202180000053 A CN202180000053 A CN 202180000053A CN 115119525 A CN115119525 A CN 115119525A
Authority
CN
China
Prior art keywords
emitting layer
light emitting
light
layer
homo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202180000053.1A
Other languages
English (en)
Inventor
文官印
李彦松
杜小波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of CN115119525A publication Critical patent/CN115119525A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H10K50/12OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
    • H10K50/121OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants for assisting energy transfer, e.g. sensitization
    • 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
    • H10K50/125OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
    • H10K50/13OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
    • 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]
    • H10K50/18Carrier blocking layers
    • H10K50/181Electron blocking layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2101/00Properties of the organic materials covered by group H10K85/00
    • H10K2101/10Triplet emission
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • 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
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301Details of OLEDs
    • H10K2102/351Thickness
    • 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
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • 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
    • H10K85/631Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine

Abstract

一种有机电致发光器件,包括:第一电极、第二电极以及设置在第一电极和第二电极之间的第一发光层和第二发光层,第一发光层位于第二发光层靠近第一电极的一侧,第一发光层和第一电极之间设置有电子阻挡层。第一发光层包括第一主体材料和第一客体材料,第二发光层包括第二主体材料和第二客体材料,第一主体材料不同于第二主体材料。电子阻挡层、第一发光层和第二发光层满足:│HOMOEBL│<│HOMOEML1│<│HOMOEML2│,│HOMOEML1‑HOMOEBL│=0.2eV至0.4eV;其中,HOMOEBL为电子阻挡层的HOMO能级,HOMOEML1为第一发光层的HOMO能级,HOMOEML2为第二发光层的HOMO能级。

Description

PCT国内申请,说明书已公开。

Claims (15)

  1. PCT国内申请,权利要求书已公开。
CN202180000053.1A 2021-01-22 2021-01-22 有机电致发光器件和显示装置 Pending CN115119525A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/073306 WO2022155893A1 (zh) 2021-01-22 2021-01-22 有机电致发光器件和显示装置

Publications (1)

Publication Number Publication Date
CN115119525A true CN115119525A (zh) 2022-09-27

Family

ID=82549207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180000053.1A Pending CN115119525A (zh) 2021-01-22 2021-01-22 有机电致发光器件和显示装置

Country Status (3)

Country Link
US (1) US20230255045A1 (zh)
CN (1) CN115119525A (zh)
WO (1) WO2022155893A1 (zh)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6890784B2 (ja) * 2016-11-30 2021-06-18 国立大学法人九州大学 有機エレクトロルミネッセンス素子及び生体計測用装置
CN111092161B (zh) * 2018-10-23 2022-11-22 宸鸿光电科技股份有限公司 有机发光二极管显示装置
CN111092163B (zh) * 2018-10-23 2022-12-20 宸鸿光电科技股份有限公司 有机发光二极管显示装置
CN110098340B (zh) * 2019-04-17 2021-05-07 深圳市华星光电半导体显示技术有限公司 一种有机电致发光器件及显示装置
CN111653679B (zh) * 2020-06-18 2023-07-04 京东方科技集团股份有限公司 有机发光器件及其制备方法、显示面板和显示装置
CN111883680B (zh) * 2020-08-06 2023-08-01 京东方科技集团股份有限公司 有机电致发光器件和显示装置
CN111785744A (zh) * 2020-08-27 2020-10-16 京东方科技集团股份有限公司 一种oled显示面板及其制备方法、显示装置

Also Published As

Publication number Publication date
WO2022155893A1 (zh) 2022-07-28
US20230255045A1 (en) 2023-08-10

Similar Documents

Publication Publication Date Title
EP3333921B1 (en) Organic compound, light emitting diode and organic light emitting diode display
KR101803537B1 (ko) 발광 소자
TW200818980A (en) Light-emitting element, light-emitting device, and electronic device
CN113097399B (zh) 有机电致发光器件、显示基板和显示装置
KR102605293B1 (ko) 유기발광다이오드 및 이를 포함하는 유기발광장치
TW201242424A (en) Light-emitting element, light-emitting device, and electronic device
KR20190003151A (ko) 유기 발광 소자 및 이를 포함하는 유기 발광 표시 장치
WO2019064333A1 (ja) 有機el表示装置およびその製造方法並びにその発光方法
WO2022082764A1 (zh) 有机电致发光器件和显示装置
CN113889583A (zh) 有机发光二极管和包括其的有机发光装置
WO2022120774A1 (zh) 有机电致发光器件和显示装置
KR20190029353A (ko) 유기 발광 소자 및 이를 포함하는 유기 발광 표시 장치
WO2022160082A1 (zh) 有机电致发光器件和显示装置
CN115057786A (zh) Oled材料及其制备方法、oled元件、显示基板和显示装置
TWI744886B (zh) 有機電致發光元件
CN114930561B (zh) 有机电致发光器件和显示装置
KR20230092605A (ko) 유기발광다이오드 및 이를 포함하는 유기발광장치
CN115119525A (zh) 有机电致发光器件和显示装置
CN114586186A (zh) 有机电致发光器件和显示装置
WO2022205090A1 (zh) 显示基板和显示装置
US20190036061A1 (en) Light emitting device, display device, and electronic device
TWI836213B (zh) 有機電致發光元件
CN115244727A (zh) 有机电致发光器件和显示装置
US20240057363A1 (en) Organic Light Emitting Device, Preparation Method Therefor, and Display Apparatus
KR20160079268A (ko) 유기 발광 소자

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination