CN113795938B - 有机发光元件、层叠体及发光方法 - Google Patents

有机发光元件、层叠体及发光方法 Download PDF

Info

Publication number
CN113795938B
CN113795938B CN202080032406.1A CN202080032406A CN113795938B CN 113795938 B CN113795938 B CN 113795938B CN 202080032406 A CN202080032406 A CN 202080032406A CN 113795938 B CN113795938 B CN 113795938B
Authority
CN
China
Prior art keywords
singlet
layer
excitons
triplet
split
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.)
Active
Application number
CN202080032406.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN113795938A (zh
Inventor
梶弘典
铃木克明
和田启干
中川博道
安达千波矢
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.)
Kyushu University NUC
Original Assignee
Kyushu University NUC
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 Kyushu University NUC filed Critical Kyushu University NUC
Publication of CN113795938A publication Critical patent/CN113795938A/zh
Application granted granted Critical
Publication of CN113795938B publication Critical patent/CN113795938B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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]
    • H10K50/18Carrier blocking layers
    • H10K50/181Electron blocking 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]
    • H10K50/11OLEDs 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
    • 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
    • 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
    • H10K50/131OLEDs 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 with spacer layers between the electroluminescent layers
    • 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
    • H10K85/30Coordination compounds
    • H10K85/351Metal complexes comprising lanthanides or actinides, e.g. comprising europium
    • 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
    • H10K85/615Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/622Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
    • 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
    • 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
    • H10K85/654Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
    • 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
    • H10K85/6572Polycyclic 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Electroluminescent Light Sources (AREA)
CN202080032406.1A 2019-06-14 2020-06-11 有机发光元件、层叠体及发光方法 Active CN113795938B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-111566 2019-06-14
JP2019111566A JP7337369B2 (ja) 2019-06-14 2019-06-14 有機発光素子、積層体および発光方法
PCT/JP2020/023038 WO2020250979A1 (ja) 2019-06-14 2020-06-11 有機発光素子、積層体および発光方法

Publications (2)

Publication Number Publication Date
CN113795938A CN113795938A (zh) 2021-12-14
CN113795938B true CN113795938B (zh) 2024-05-28

Family

ID=73780757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080032406.1A Active CN113795938B (zh) 2019-06-14 2020-06-11 有机发光元件、层叠体及发光方法

Country Status (3)

Country Link
JP (1) JP7337369B2 (ja)
CN (1) CN113795938B (ja)
WO (1) WO2020250979A1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012005009A1 (ja) * 2010-07-09 2012-01-12 出光興産株式会社 イミダゾピリジン誘導体及びそれを含んでなる有機エレクトロルミネッセンス素子
WO2014129330A1 (ja) * 2013-02-20 2014-08-28 株式会社カネカ 有機el素子、ならびにそれを用いた照明器具及びディスプレイ装置
WO2019022120A1 (ja) * 2017-07-25 2019-01-31 国立大学法人九州大学 一重項分裂材料、三重項増感剤、化合物および薄膜

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130240850A1 (en) * 2012-03-13 2013-09-19 The Regents Of The University Of Michigan Ultra-high efficiency (125%) phosphorescent organic light emitting diodes using singlet fission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012005009A1 (ja) * 2010-07-09 2012-01-12 出光興産株式会社 イミダゾピリジン誘導体及びそれを含んでなる有機エレクトロルミネッセンス素子
WO2014129330A1 (ja) * 2013-02-20 2014-08-28 株式会社カネカ 有機el素子、ならびにそれを用いた照明器具及びディスプレイ装置
WO2019022120A1 (ja) * 2017-07-25 2019-01-31 国立大学法人九州大学 一重項分裂材料、三重項増感剤、化合物および薄膜

Also Published As

Publication number Publication date
JP2020205318A (ja) 2020-12-24
JP7337369B2 (ja) 2023-09-04
WO2020250979A1 (ja) 2020-12-17
CN113795938A (zh) 2021-12-14

Similar Documents

Publication Publication Date Title
JP6688915B2 (ja) 有機エレクトロルミネッセンス素子
JP5669163B1 (ja) 有機エレクトロルミネッセンス素子
TWI661589B (zh) 有機電致發光元件
US9349964B2 (en) Organic light emitting diode and manufacturing method thereof
KR101419810B1 (ko) 엑시플렉스를 형성하는 공동 호스트를 포함하는 유기 발광 소자
CN105762279B (zh) 有机电致发光器件
KR102196821B1 (ko) 유기 발광 소자
US20210050547A1 (en) Electroluminescent device based on boron-containing organic compound
CN102149788B (zh) 有机发光元件
US20210135142A1 (en) Organic electroluminescent device based on exciplex and excimer system
CN103563118A (zh) 有机电致发光元件
KR20070030808A (ko) 유기 el 소자
JP6567504B2 (ja) 有機発光素子
CN117812983A (zh) 有机化合物、发光元件、发光装置、电子设备、照明装置及电子器件
US20240188426A1 (en) Organic molecules in particular for use in optoelectronic devices
CN110431681B (zh) 有机电场发光元件
CN113795938B (zh) 有机发光元件、层叠体及发光方法
CN111837252A (zh) 有机电场发光元件
WO2022217600A1 (zh) 有机电致发光器件和显示装置
CN114497394A (zh) 一种有机电致发光器件
CN114555755A (zh) 组合物及有机发光元件

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
GR01 Patent grant
GR01 Patent grant