TWI619709B - 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置 - Google Patents

雜環化合物，發光元件，發光裝置，電子裝置及照明裝置 Download PDF

Info

Publication number
TWI619709B
TWI619709B TW106104918A TW106104918A TWI619709B TW I619709 B TWI619709 B TW I619709B TW 106104918 A TW106104918 A TW 106104918A TW 106104918 A TW106104918 A TW 106104918A TW I619709 B TWI619709 B TW I619709B
Authority
TW
Taiwan
Prior art keywords
light
emitting element
emitting
compound
abbreviation
Prior art date
Application number
TW106104918A
Other languages
English (en)
Chinese (zh)
Other versions
TW201720813A (zh
Inventor
瀨尾哲史
下垣智子
森久保都
橋本直明
石曾根崇浩
竹田恭子
瀨尾廣美
Original Assignee
半導體能源研究所股份有限公司
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 半導體能源研究所股份有限公司 filed Critical 半導體能源研究所股份有限公司
Publication of TW201720813A publication Critical patent/TW201720813A/zh
Application granted granted Critical
Publication of TWI619709B publication Critical patent/TWI619709B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
    • 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, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • 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, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • 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
    • 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
    • H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
    • 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
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633—Amine 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
    • 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
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
    • 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
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1007—Non-condensed systems
    • 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
    • C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as 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
    • C09K2211/185—Metal complexes of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
    • 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
    • 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
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/16—Electron transporting layers
    • H10K50/165—Electron transporting layers comprising dopants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Plural Heterocyclic Compounds (AREA)
TW106104918A 2011-08-30 2012-08-29 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置 TWI619709B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-187669 2011-08-30
JP2011187669 2011-08-30

Publications (2)

Publication Number Publication Date
TW201720813A TW201720813A (zh) 2017-06-16
TWI619709B true TWI619709B (zh) 2018-04-01

Family

ID=47991906

Family Applications (2)

Application Number Title Priority Date Filing Date
TW106104918A TWI619709B (zh) 2011-08-30 2012-08-29 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置
TW101131322A TWI582086B (zh) 2011-08-30 2012-08-29 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW101131322A TWI582086B (zh) 2011-08-30 2012-08-29 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置

Country Status (4)

Country Link
US (2) US9394280B2 (enExample)
JP (1) JP6013686B2 (enExample)
KR (1) KR102081791B1 (enExample)
TW (2) TWI619709B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415846B (zh) * 2010-03-01 2013-11-21 Semiconductor Energy Lab 雜環化合物、發光元件、發光裝置、電子裝置、及照明裝置
US8993125B2 (en) 2010-05-21 2015-03-31 Semiconductor Energy Laboratory Co., Ltd. Triazole derivative, and light-emitting element, light-emitting device, electronic device and lighting device using the triazole derivative
US9056856B2 (en) 2011-02-01 2015-06-16 Semiconductor Energy Laboratory Co., Ltd. Heterocyclic compound
KR102081791B1 (ko) * 2011-08-30 2020-05-27 가부시키가이샤 한도오따이 에네루기 켄큐쇼 복소 고리 화합물, 발광 소자, 발광 장치, 전자 기기, 및 조명 장치
JP6139272B2 (ja) 2012-06-01 2017-05-31 株式会社半導体エネルギー研究所 発光素子の作製方法
US9985218B2 (en) 2012-07-31 2018-05-29 Semiconductor Energy Laboratory Co., Ltd. Light-emitting element, light-emitting device, electronic device, and lighting device
TWI592409B (zh) 2012-11-02 2017-07-21 半導體能源研究所股份有限公司 雜環化合物，發光元件，發光裝置，電子裝置，與照明裝置
KR102027246B1 (ko) * 2013-03-14 2019-10-01 삼성전자주식회사 디지타이저 및 그 제조 방법
US9537106B2 (en) * 2013-05-09 2017-01-03 Universal Display Corporation Organic electroluminescent materials and devices
US9991445B2 (en) 2013-05-29 2018-06-05 Idemitsu Kosan Co., Ltd. Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same
WO2015029796A1 (en) 2013-08-29 2015-03-05 Semiconductor Energy Laboratory Co., Ltd. Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
JP6386299B2 (ja) 2013-08-30 2018-09-05 株式会社半導体エネルギー研究所 発光素子用有機化合物
US9312498B2 (en) 2013-09-12 2016-04-12 Semiconductor Energy Laboratory Co., Ltd. Organic compound, light-emitting element, display module, lighting module, light-emitting device, display device, electronic appliance, and lighting device
TWI665195B (zh) * 2013-09-13 2019-07-11 半導體能源研究所股份有限公司 二苯并［ｆ，ｈ］喹啉衍生物、二苯并［ｆ，ｈ］喹啉衍生物的合成方法、發光元件、發光裝置、電子裝置以及照明設備
EP3052477B1 (de) 2013-10-04 2018-10-24 Merck Patent GmbH Triarylamin-substituierte benzo[h]chinolin-derivate als materialien für elektronische vorrichtungen
JP6530227B2 (ja) 2014-04-25 2019-06-12 株式会社半導体エネルギー研究所 化合物、発光素子、発光装置、電子機器、及び照明装置
JP2015227328A (ja) 2014-05-02 2015-12-17 株式会社半導体エネルギー研究所 化合物、発光素子、発光装置、電子機器、及び照明装置
DE102015017428B4 (de) 2014-07-25 2025-10-09 Semiconductor Energy Laboratory Co.,Ltd. Licht emittierendes Element, Licht emittierende Vorrichtung, elektronisches Gerät und Beleuchtungsvorrichtung
KR101835501B1 (ko) 2014-08-13 2018-03-07 삼성에스디아이 주식회사 유기 광전자 소자 및 표시장치
US9997725B2 (en) 2015-06-25 2018-06-12 Semiconductor Energy Laboratory Co., Ltd. Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
TWI804457B (zh) * 2015-07-23 2023-06-11 日商半導體能源研究所股份有限公司 發光元件，顯示裝置，電子裝置，以及照明裝置
CN108349987A (zh) 2015-11-04 2018-07-31 出光兴产株式会社 苯并咪唑稠合杂芳族类
CN110437208A (zh) * 2019-08-27 2019-11-12 镇江博润新材料有限公司 一种1,3-二咔唑苯类磷光主体材料、其合成方法及其应用
WO2022238804A1 (ja) * 2021-05-13 2022-11-17 株式会社半導体エネルギー研究所 発光デバイス、発光装置、表示装置、電子機器、照明装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076853A1 (en) * 2002-04-24 2004-04-22 Eastman Kodak Company Organic light-emitting diode devices with improved operational stability
JP2006016384A (ja) * 2004-06-03 2006-01-19 Mitsui Chemicals Inc アミン化合物、および該アミン化合物を含有する有機電界発光素子

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6723445B2 (en) * 2001-12-31 2004-04-20 Canon Kabushiki Kaisha Organic light-emitting devices
WO2004043937A1 (ja) 2002-11-13 2004-05-27 Semiconductor Energy Laboratory Co., Ltd. キノキサリン誘導体、有機半導体素子および電界発光素子
KR101254278B1 (ko) * 2003-04-18 2013-04-12 가부시키가이샤 한도오따이 에네루기 켄큐쇼 퀴녹살린 유도체를 이용한 트랜지스터
JP4972938B2 (ja) 2006-01-12 2012-07-11 コニカミノルタホールディングス株式会社 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、表示装置及び照明装置
EP1981929B1 (en) 2006-02-10 2010-12-22 Basf Se Novel polymers
US20100039024A1 (en) 2006-09-14 2010-02-18 Wendeborn Frederique New Heterocyclic bridged biphenyls
US8178216B2 (en) 2007-02-28 2012-05-15 Semiconductor Energy Laboratory Co., Ltd. Quinoxaline derivative, and light-emitting element, light-emitting device, and electronic device including quinoxaline derivative
US8314101B2 (en) 2007-11-30 2012-11-20 Semiconductor Energy Laboratory Co., Ltd. Quinoxaline derivative, and light-emitting element, light-emitting device, and electronic device using quinoxaline derivative
KR101564762B1 (ko) 2007-11-30 2015-10-30 가부시키가이샤 한도오따이 에네루기 켄큐쇼 퀴녹살린 유도체, 및 퀴녹살린 유도체를 사용한 발광 소자,발광 장치 및 전자 기기
US8119259B2 (en) 2007-11-30 2012-02-21 Semiconductor Energy Laboratory Co., Ltd. Quinoxaline derivative, and light-emitting element and electronic device using the same
EP2067778B1 (en) 2007-12-03 2016-08-17 Semiconductor Energy Laboratory Co., Ltd. Quinoxaline derivative, and light emitting element, light emitting device and electronic appliance using the same
US8815412B2 (en) 2007-12-21 2014-08-26 Semiconductor Energy Laboratory Co., Ltd. Quinoxaline derivative, and light-emitting element, light-emitting device, and electronic appliance using the quinoxaline derivative
EP2252624B1 (en) 2008-02-12 2018-07-18 UDC Ireland Limited Electroluminescent metal complexes with dibenzo[f,h]quinoxalines
US8753756B2 (en) * 2009-06-30 2014-06-17 Chien-Hong Cheng Green phosphorescent iridium complexes, fabrication method thereof and organic light-emitting diodes comprising the same
KR101847578B1 (ko) * 2009-10-16 2018-04-11 에스에프씨 주식회사 축합방향족 화합물 및 이를 포함하는 유기전계발광소자
TWI415846B (zh) * 2010-03-01 2013-11-21 Semiconductor Energy Lab 雜環化合物、發光元件、發光裝置、電子裝置、及照明裝置
KR102081791B1 (ko) * 2011-08-30 2020-05-27 가부시키가이샤 한도오따이 에네루기 켄큐쇼 복소 고리 화합물, 발광 소자, 발광 장치, 전자 기기, 및 조명 장치
JP2013063963A (ja) * 2011-08-31 2013-04-11 Semiconductor Energy Lab Co Ltd 複素環化合物、発光素子、発光装置、電子機器、及び照明装置
KR102082373B1 (ko) * 2011-08-31 2020-02-27 가부시키가이샤 한도오따이 에네루기 켄큐쇼 복소환 화합물, 발광 소자, 발광 장치, 전자 기기, 조명 장치 및 유기 화합물

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076853A1 (en) * 2002-04-24 2004-04-22 Eastman Kodak Company Organic light-emitting diode devices with improved operational stability
JP2006016384A (ja) * 2004-06-03 2006-01-19 Mitsui Chemicals Inc アミン化合物、および該アミン化合物を含有する有機電界発光素子

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Ming Zhang, "Highly-efficient solution-processed OLEDs based on new bipolar emitters", Chem. Commun., vol. 46, 27 April, 2010, pages 3923-3925. *

Also Published As

Publication number Publication date
TWI582086B (zh) 2017-05-11
KR102081791B1 (ko) 2020-05-27
JP6013686B2 (ja) 2016-10-25
US9394280B2 (en) 2016-07-19
US20160315270A1 (en) 2016-10-27
US20130082591A1 (en) 2013-04-04
KR20130045165A (ko) 2013-05-03
JP2013065842A (ja) 2013-04-11
TW201321374A (zh) 2013-06-01
TW201720813A (zh) 2017-06-16

Similar Documents

Publication Publication Date Title
TWI619709B (zh) 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置
TWI607001B (zh) 二苯並［ｃ，ｇ］咔唑化合物、發光元件、發光裝置、顯示裝置、照明設備以及電子裝置
CN109616572B (zh) 发光装置
JP6899020B2 (ja) 発光装置
TWI591066B (zh) 雜環化合物，發光元件，發光裝置，電子裝置及照明裝置
JP6132898B2 (ja) 複合材料及び発光素子
TWI599566B (zh) 發光元件、發光裝置、電子裝置、照明設備及雜環化合物
TWI476178B (zh) 咔唑衍生物，發光元件材料，發光元件，發光裝置，電子裝置，以及照明裝置
TW201741291A (zh) 有機化合物，發光元件，發光裝置，顯示裝置，電子裝置，及照明裝置
TW201448313A (zh) 發光元件、發光裝置、顯示裝置、電子裝置以及照明設備
JP6817023B2 (ja) 複素環化合物、発光素子、発光装置、電子機器、および照明装置
TW201512183A (zh) 雜環化合物、發光元件、發光裝置、電子裝置以及照明設備
TWI633100B (zh) 有機化合物、發光元件、顯示器模組、照明模組、發光裝置、顯示裝置、照明設備及電子裝置
TW202035418A (zh) 雜環化合物、發光元件、發光裝置、電子裝置及照明設備
TW201311860A (zh) 發光元件、發光裝置、顯示裝置、照明設備以及電子裝置
CN107304182A (zh) 有机化合物、发光元件、发光装置、电子设备以及照明装置

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees