KR102907968B1 - 발광 소자 - Google Patents

발광 소자

Info

Publication number
KR102907968B1
KR102907968B1 KR1020210044667A KR20210044667A KR102907968B1 KR 102907968 B1 KR102907968 B1 KR 102907968B1 KR 1020210044667 A KR1020210044667 A KR 1020210044667A KR 20210044667 A KR20210044667 A KR 20210044667A KR 102907968 B1 KR102907968 B1 KR 102907968B1
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KR
South Korea
Prior art keywords
group
light
chemical formula
layer
emitting
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
KR1020210044667A
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English (en)
Korean (ko)
Other versions
KR20220138912A (ko
Inventor
신효섭
이지영
김현영
츠요시 나이죠
Original Assignee
삼성디스플레이 주식회사
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Application filed by 삼성디스플레이 주식회사 filed Critical 삼성디스플레이 주식회사
Priority to KR1020210044667A priority Critical patent/KR102907968B1/ko
Priority to US17/683,546 priority patent/US20220328766A1/en
Priority to CN202210290018.4A priority patent/CN115207232A/zh
Priority to JP2022054172A priority patent/JP2022160374A/ja
Publication of KR20220138912A publication Critical patent/KR20220138912A/ko
Priority to KR1020250214418A priority patent/KR20260006537A/ko
Application granted granted Critical
Publication of KR102907968B1 publication Critical patent/KR102907968B1/ko
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Anticipated expiration legal-status Critical

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02—Boron compounds
    • C07F5/027—Organoboranes and organoborohydrides
    • 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
    • H10K85/30—Coordination compounds
    • H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
    • H10K85/322—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising boron
    • C—CHEMISTRY; METALLURGY
    • 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/06—Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials
    • 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
    • H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
    • 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
    • H10K85/30—Coordination compounds
    • H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
    • H10K85/346—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising platinum
    • 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
    • H10K85/40—Organosilicon compounds, e.g. TIPS pentacene
    • 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
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/623—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing five rings, e.g. pentacene
    • 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
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/624—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing six or more rings
    • 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
    • H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
    • 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
    • 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
    • H10K85/658—Organoboranes
    • C—CHEMISTRY; METALLURGY
    • 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
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1096—Heterocyclic compounds characterised by ligands containing other heteroatoms
    • C—CHEMISTRY; METALLURGY
    • 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
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/18—Metal complexes
    • C09K2211/188—Metal complexes of other metals not provided for in one of the previous groups
    • 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
    • H10K2101/20—Delayed fluorescence 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
    • H10K2101/90—Multiple hosts in the emissive layer
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electroluminescent Light Sources (AREA)
KR1020210044667A 2021-04-06 2021-04-06 발광 소자 Active KR102907968B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020210044667A KR102907968B1 (ko) 2021-04-06 2021-04-06 발광 소자
US17/683,546 US20220328766A1 (en) 2021-04-06 2022-03-01 Light emitting diode
CN202210290018.4A CN115207232A (zh) 2021-04-06 2022-03-23 发光二极管
JP2022054172A JP2022160374A (ja) 2021-04-06 2022-03-29 発光素子
KR1020250214418A KR20260006537A (ko) 2021-04-06 2025-12-30 발광 소자

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020210044667A KR102907968B1 (ko) 2021-04-06 2021-04-06 발광 소자

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020250214418A Division KR20260006537A (ko) 2021-04-06 2025-12-30 발광 소자

Publications (2)

Publication Number Publication Date
KR20220138912A KR20220138912A (ko) 2022-10-14
KR102907968B1 true KR102907968B1 (ko) 2026-01-06

Family

ID=83509612

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020210044667A Active KR102907968B1 (ko) 2021-04-06 2021-04-06 발광 소자
KR1020250214418A Pending KR20260006537A (ko) 2021-04-06 2025-12-30 발광 소자

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020250214418A Pending KR20260006537A (ko) 2021-04-06 2025-12-30 발광 소자

Country Status (4)

Country Link
US (1) US20220328766A1 (https=)
JP (1) JP2022160374A (https=)
KR (2) KR102907968B1 (https=)
CN (1) CN115207232A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102915422B1 (ko) * 2021-04-07 2026-01-20 삼성디스플레이 주식회사 헤테로시클릭 화합물, 이를 포함한 발광 소자 및 상기 발광 소자를 포함한 전자 장치
CN115947747B (zh) * 2023-01-10 2024-11-26 冠能光电材料(深圳)有限责任公司 一种三蝶烯硼氮化合物及其应用
CN116693562A (zh) * 2023-03-27 2023-09-05 北京大学深圳研究生院 热延迟荧光多重共振发光材料及其制备方法与发光器件
CN119874734A (zh) * 2024-12-16 2025-04-25 河南省科学院新型显示技术研究所 一种基于六取代苯基为核心和空间重原子效应的多重共振热活化延迟荧光化合物、制备方法及有机电致发光器件

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020067143A1 (ja) * 2018-09-25 2020-04-02 国立大学法人京都大学 化合物、発光材料、遅延蛍光体、有機発光素子、酸素センサー、分子の設計方法およびプログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101182447B1 (ko) * 2010-06-16 2012-09-12 삼성디스플레이 주식회사 유기 발광 소자 및 그 제조 방법
JP6338374B2 (ja) * 2011-09-12 2018-06-06 保土谷化学工業株式会社 有機エレクトロルミネッセンス素子
US9865829B2 (en) * 2011-12-12 2018-01-09 Nippon Steel & Sumikin Chemical Co., Ltd. Organic electroluminescent element material and organic electroluminescent element using same
CN106133937B (zh) * 2014-03-28 2017-09-26 新日铁住金化学株式会社 有机电场发光元件用材料以及使用其的有机电场发光元件
US10998507B2 (en) * 2015-11-23 2021-05-04 Universal Display Corporation Organic electroluminescent materials and devices
CN111212844B (zh) * 2017-10-13 2023-08-25 学校法人关西学院 二聚体化合物、有机元件用材料、有机电场发光元件、显示装置及照明装置
TWI826522B (zh) * 2018-09-12 2023-12-21 德商麥克專利有限公司 電致發光裝置
US12351594B2 (en) * 2019-04-11 2025-07-08 Merck Patent Gmbh Materials for organic electroluminescent devices
KR102880247B1 (ko) * 2019-07-30 2025-11-04 삼성디스플레이 주식회사 유기 전계 발광 소자 및 유기 전계 발광 소자용 다환 화합물
KR102460911B1 (ko) * 2019-10-01 2022-11-01 삼성디스플레이 주식회사 유기 전계 발광 소자
CN111848424B (zh) * 2020-08-05 2024-06-18 厦门稀土材料研究所 一种含三蝶烯基团的热活化延迟荧光材料及其制备方法和应用

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020067143A1 (ja) * 2018-09-25 2020-04-02 国立大学法人京都大学 化合物、発光材料、遅延蛍光体、有機発光素子、酸素センサー、分子の設計方法およびプログラム

Also Published As

Publication number Publication date
US20220328766A1 (en) 2022-10-13
KR20220138912A (ko) 2022-10-14
JP2022160374A (ja) 2022-10-19
CN115207232A (zh) 2022-10-18
KR20260006537A (ko) 2026-01-13

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