JP5883548B2 - 三重項状態への直接注入を利用するoled - Google Patents

三重項状態への直接注入を利用するoled Download PDF

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JP5883548B2
JP5883548B2 JP2008504417A JP2008504417A JP5883548B2 JP 5883548 B2 JP5883548 B2 JP 5883548B2 JP 2008504417 A JP2008504417 A JP 2008504417A JP 2008504417 A JP2008504417 A JP 2008504417A JP 5883548 B2 JP5883548 B2 JP 5883548B2
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energy
light emitting
lumo
homo
emitting layer
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JP2008535266A (ja
JP2008535266A5 (enExample
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マーク・イー・トンプソン
スティーヴン・フォレスト
ジュリア・ジェイ・ブラウン
Original Assignee
ザ、トラスティーズ オブ プリンストン ユニバーシティ
ザ、トラスティーズ オブ プリンストン ユニバーシティ
ユニバーサル ディスプレイ コーポレイション
ユニバーサル ディスプレイ コーポレイション
ユニバーシティ オブ サザン カリフォルニア
ユニバーシティ オブ サザン カリフォルニア
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Application filed by ザ、トラスティーズ オブ プリンストン ユニバーシティ, ザ、トラスティーズ オブ プリンストン ユニバーシティ, ユニバーサル ディスプレイ コーポレイション, ユニバーサル ディスプレイ コーポレイション, ユニバーシティ オブ サザン カリフォルニア, ユニバーシティ オブ サザン カリフォルニア filed Critical ザ、トラスティーズ オブ プリンストン ユニバーシティ
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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
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14Light 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/18Light sources with substantially two-dimensional radiating surfaces characterised by the nature or concentration of the activator
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/20Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
    • 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
    • H10K2101/30Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
    • 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
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14Carrier transporting layers
    • H10K50/15Hole transporting 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
    • H10K50/16Electron transporting layers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP2008504417A 2005-03-31 2006-03-29 三重項状態への直接注入を利用するoled Active JP5883548B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US66686705P 2005-03-31 2005-03-31
US60/666,867 2005-03-31
US11/123,155 2005-05-06
US11/123,155 US20060251921A1 (en) 2005-05-06 2005-05-06 OLEDs utilizing direct injection to the triplet state
US11/274,091 US7683536B2 (en) 2005-03-31 2005-11-16 OLEDs utilizing direct injection to the triplet state
US11/274,091 2005-11-16
PCT/US2006/011881 WO2006105387A2 (en) 2005-03-31 2006-03-29 Oleds utilizing direct injection to the triplet state

Related Child Applications (2)

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JP2012224855A Division JP5662402B2 (ja) 2005-03-31 2012-10-10 三重項状態への直接注入を利用するoled
JP2015225520A Division JP2016028459A (ja) 2005-03-31 2015-11-18 三重項状態への直接注入を利用するoled

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JP2008535266A JP2008535266A (ja) 2008-08-28
JP2008535266A5 JP2008535266A5 (enExample) 2009-04-23
JP5883548B2 true JP5883548B2 (ja) 2016-03-15

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JP2012224855A Active JP5662402B2 (ja) 2005-03-31 2012-10-10 三重項状態への直接注入を利用するoled
JP2015225520A Pending JP2016028459A (ja) 2005-03-31 2015-11-18 三重項状態への直接注入を利用するoled

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JP2015225520A Pending JP2016028459A (ja) 2005-03-31 2015-11-18 三重項状態への直接注入を利用するoled

Country Status (7)

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US (1) US7683536B2 (enExample)
EP (1) EP1878068B1 (enExample)
JP (3) JP5883548B2 (enExample)
KR (1) KR101255871B1 (enExample)
CN (1) CN101156257B (enExample)
TW (1) TWI452930B (enExample)
WO (1) WO2006105387A2 (enExample)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4412264B2 (ja) * 2005-09-12 2010-02-10 ソニー株式会社 表示装置および表示装置の製造方法
US8148891B2 (en) * 2005-10-04 2012-04-03 Universal Display Corporation Electron impeding layer for high efficiency phosphorescent OLEDs
WO2007123998A2 (en) * 2006-04-19 2007-11-01 Massachusetts Institute Of Technology Light emitting devices
US7879401B2 (en) * 2006-12-22 2011-02-01 The Regents Of The University Of Michigan Organic vapor jet deposition using an exhaust
JP5300255B2 (ja) * 2007-02-07 2013-09-25 ユー・ディー・シー アイルランド リミテッド 有機電界発光素子
US20080309217A1 (en) * 2007-05-18 2008-12-18 Mulder Carlijn L Organic light emitting devices
DE102008033563A1 (de) 2008-07-17 2010-01-21 Merck Patent Gmbh Komplexe mit kleinen Singulett-Triplett-Energie-Abständen zur Verwendung in opto-elektronischen Bauteilen (Singulett-Harvesting-Effekt)
JP5325707B2 (ja) * 2008-09-01 2013-10-23 株式会社半導体エネルギー研究所 発光素子
DE102008063589A1 (de) * 2008-10-07 2010-04-08 Osram Opto Semiconductors Gmbh Strahlungsemittierende Vorrichtung
KR100994118B1 (ko) * 2009-01-13 2010-11-15 삼성모바일디스플레이주식회사 유기 발광 소자 및 그 제조 방법
JP5550311B2 (ja) * 2009-11-10 2014-07-16 キヤノン株式会社 有機el素子
JP4620802B1 (ja) * 2010-01-20 2011-01-26 富士フイルム株式会社 有機電界発光素子
CN102201541B (zh) * 2010-03-23 2015-11-25 株式会社半导体能源研究所 发光元件、发光装置、电子设备及照明装置
TWI506121B (zh) 2010-03-31 2015-11-01 Semiconductor Energy Lab 發光元件,發光裝置,電子裝置以及照明裝置
JP2013201153A (ja) * 2010-06-08 2013-10-03 Idemitsu Kosan Co Ltd 有機エレクトロルミネッセンス素子
JP2012033918A (ja) * 2010-07-08 2012-02-16 Mitsubishi Chemicals Corp 有機電界発光素子、有機電界発光デバイス、有機el表示装置及び有機el照明
JP5968885B2 (ja) * 2010-07-30 2016-08-10 メルク パテント ゲーエムベーハー 有機エレクトロルミネセンスデバイス
KR102136480B1 (ko) * 2011-02-16 2020-07-21 가부시키가이샤 한도오따이 에네루기 켄큐쇼 발광 엘리먼트
KR101429537B1 (ko) * 2011-07-11 2014-08-12 엘지디스플레이 주식회사 유기발광소자
US9252377B2 (en) * 2011-07-14 2016-02-02 Universal Display Corporation Inorganic hosts in OLEDs
CN103765623B (zh) 2011-08-22 2016-06-01 默克专利有限公司 有机电致发光器件
KR101419810B1 (ko) 2012-04-10 2014-07-15 서울대학교산학협력단 엑시플렉스를 형성하는 공동 호스트를 포함하는 유기 발광 소자
US9698386B2 (en) 2012-04-13 2017-07-04 Oti Lumionics Inc. Functionalization of a substrate
US8853070B2 (en) 2012-04-13 2014-10-07 Oti Lumionics Inc. Functionalization of a substrate
DE112013007882B4 (de) * 2012-04-20 2025-10-02 Semiconductor Energy Laboratory Co., Ltd. Lichtemittierende Vorrichtung
JP5959970B2 (ja) * 2012-07-20 2016-08-02 出光興産株式会社 有機エレクトロルミネッセンス素子
KR101960943B1 (ko) * 2012-11-28 2019-03-20 엘지디스플레이 주식회사 유기 발광 표시 장치
KR102255202B1 (ko) * 2013-05-29 2021-05-25 삼성디스플레이 주식회사 유기 발광 소자
JP6821430B2 (ja) * 2013-06-06 2021-01-27 メルク パテント ゲーエムベーハー 有機エレクトロルミネッセント素子
KR102078296B1 (ko) * 2013-06-21 2020-02-18 삼성디스플레이 주식회사 유기 발광 소자
US9385348B2 (en) 2013-08-29 2016-07-05 The Regents Of The University Of Michigan Organic electronic devices with multiple solution-processed layers
CN105723536A (zh) * 2013-08-29 2016-06-29 密执安州立大学董事会 具有多个溶液加工层的有机电子器件
US9666822B2 (en) 2013-12-17 2017-05-30 The Regents Of The University Of Michigan Extended OLED operational lifetime through phosphorescent dopant profile management
JP6307993B2 (ja) * 2014-04-07 2018-04-11 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、及び、電子デバイス
KR102353647B1 (ko) 2014-08-29 2022-01-20 가부시키가이샤 한도오따이 에네루기 켄큐쇼 발광 소자, 표시 장치, 전자 기기, 및 조명 장치
US20160248030A1 (en) * 2014-09-04 2016-08-25 Boe Technology Group Co., Ltd. Organic electroluminescent display deivce, a fabricating method thereof and a display device
CN107112419B (zh) 2014-11-05 2019-07-05 学校法人冲绳科学技术大学院大学学园 光电子器件和制造光电子器件的方法
KR102376968B1 (ko) * 2014-11-17 2022-03-22 삼성디스플레이 주식회사 유기 발광 소자
DE102015200699A1 (de) 2015-01-19 2016-07-21 Siemens Aktiengesellschaft Aminophosphazen-Basen als n-Dotierstoffe in der organischen Elektronik
CN108292714B (zh) * 2015-06-29 2020-04-28 Imec 非营利协会 有机层的高分辨率图案化方法
TW201721922A (zh) 2015-09-30 2017-06-16 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,及照明裝置
KR20170038681A (ko) * 2015-09-30 2017-04-07 가부시키가이샤 한도오따이 에네루기 켄큐쇼 발광 소자, 표시 장치, 전자 기기, 및 조명 장치
CN109196679B (zh) 2015-12-01 2021-06-08 株式会社半导体能源研究所 发光元件、发光装置、电子设备及照明装置
KR102641614B1 (ko) * 2016-09-29 2024-02-27 엘지디스플레이 주식회사 유기발광다이오드 및 이를 포함하는 유기발광 표시장치
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KR102395782B1 (ko) * 2017-07-31 2022-05-09 삼성전자주식회사 유기 발광 소자
US11289667B2 (en) * 2018-02-13 2022-03-29 Sharp Kabushiki Kaisha Light-emitting device with high electron injection efficiency
JP7158945B2 (ja) * 2018-08-02 2022-10-24 キヤノン株式会社 白色有機el素子
EP3640999B1 (en) * 2018-10-15 2022-01-05 cynora GmbH Organic electroluminescent device emitting blue light
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CN121014259A (zh) * 2023-04-18 2025-11-25 夏普显示科技株式会社 发光元件及显示装置
WO2025182720A1 (ja) * 2024-02-29 2025-09-04 日鉄ケミカル&マテリアル株式会社 有機電界発光素子用混合材料及び有機電界発光素子

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769292A (en) 1987-03-02 1988-09-06 Eastman Kodak Company Electroluminescent device with modified thin film luminescent zone
GB8909011D0 (en) 1989-04-20 1989-06-07 Friend Richard H Electroluminescent devices
JP3249297B2 (ja) * 1994-07-14 2002-01-21 三洋電機株式会社 有機電界発光素子
US5707745A (en) 1994-12-13 1998-01-13 The Trustees Of Princeton University Multicolor organic light emitting devices
US6548956B2 (en) 1994-12-13 2003-04-15 The Trustees Of Princeton University Transparent contacts for organic devices
US5703436A (en) 1994-12-13 1997-12-30 The Trustees Of Princeton University Transparent contacts for organic devices
BR9711155B1 (pt) 1996-08-12 2009-05-05 dispositivo de emissão de luz orgánico flexìvel não-polimérico.
US5844363A (en) 1997-01-23 1998-12-01 The Trustees Of Princeton Univ. Vacuum deposited, non-polymeric flexible organic light emitting devices
US6091195A (en) 1997-02-03 2000-07-18 The Trustees Of Princeton University Displays having mesa pixel configuration
US5834893A (en) 1996-12-23 1998-11-10 The Trustees Of Princeton University High efficiency organic light emitting devices with light directing structures
US6013982A (en) 1996-12-23 2000-01-11 The Trustees Of Princeton University Multicolor display devices
US5925980A (en) 1997-05-01 1999-07-20 Motorola, Inc. Organic electroluminescent device with graded region
US6303238B1 (en) 1997-12-01 2001-10-16 The Trustees Of Princeton University OLEDs doped with phosphorescent compounds
US6337102B1 (en) 1997-11-17 2002-01-08 The Trustees Of Princeton University Low pressure vapor phase deposition of organic thin films
US6087196A (en) 1998-01-30 2000-07-11 The Trustees Of Princeton University Fabrication of organic semiconductor devices using ink jet printing
GB9805476D0 (en) 1998-03-13 1998-05-13 Cambridge Display Tech Ltd Electroluminescent devices
US6830828B2 (en) 1998-09-14 2004-12-14 The Trustees Of Princeton University Organometallic complexes as phosphorescent emitters in organic LEDs
US6097147A (en) 1998-09-14 2000-08-01 The Trustees Of Princeton University Structure for high efficiency electroluminescent device
GB9822963D0 (en) 1998-10-20 1998-12-16 Agner Erik Improvements in or relating to chromatography
US6310360B1 (en) 1999-07-21 2001-10-30 The Trustees Of Princeton University Intersystem crossing agents for efficient utilization of excitons in organic light emitting devices
US6294398B1 (en) 1999-11-23 2001-09-25 The Trustees Of Princeton University Method for patterning devices
US6645645B1 (en) * 2000-05-30 2003-11-11 The Trustees Of Princeton University Phosphorescent organic light emitting devices
US6939624B2 (en) 2000-08-11 2005-09-06 Universal Display Corporation Organometallic compounds and emission-shifting organic electrophosphorescence
US6573651B2 (en) 2000-12-18 2003-06-03 The Trustees Of Princeton University Highly efficient OLEDs using doped ambipolar conductive molecular organic thin films
SG2009086778A (en) * 2000-12-28 2016-11-29 Semiconductor Energy Lab Co Ltd Luminescent device
WO2002074015A2 (en) 2001-03-14 2002-09-19 The Trustees Of Princeton University Materials and devices for blue phosphorescence based organic light emitting diodes
US7071615B2 (en) 2001-08-20 2006-07-04 Universal Display Corporation Transparent electrodes
KR100439648B1 (ko) * 2001-08-29 2004-07-12 엘지.필립스 엘시디 주식회사 유기전계발광소자
JP4409942B2 (ja) * 2001-08-29 2010-02-03 ザ トラスティーズ オブ プリンストン ユニバーシテイ 金属錯体を含むキャリア輸送層を有する有機発光デバイス
US6835469B2 (en) 2001-10-17 2004-12-28 The University Of Southern California Phosphorescent compounds and devices comprising the same
JP4032783B2 (ja) * 2002-03-15 2008-01-16 株式会社デンソー 有機el素子
US20030230980A1 (en) 2002-06-18 2003-12-18 Forrest Stephen R Very low voltage, high efficiency phosphorescent oled in a p-i-n structure
US6835169B2 (en) * 2002-07-11 2004-12-28 Stephen K. Tamaribuchi Ergonomic handheld exercisers
US20040043140A1 (en) 2002-08-21 2004-03-04 Ramesh Jagannathan Solid state lighting using compressed fluid coatings
KR100624406B1 (ko) * 2002-12-30 2006-09-18 삼성에스디아이 주식회사 비페닐 유도체 및 이를 채용한 유기 전계 발광 소자
JP2004319456A (ja) 2003-03-31 2004-11-11 Sanyo Electric Co Ltd 有機エレクトロルミネッセンス素子
US20040209116A1 (en) 2003-04-21 2004-10-21 Xiaofan Ren Organic light emitting devices with wide gap host materials
TWI428053B (zh) * 2004-02-09 2014-02-21 Idemitsu Kosan Co Organic electroluminescent element
KR101249172B1 (ko) * 2004-07-30 2013-03-29 산요덴키가부시키가이샤 유기 일렉트로루미네센스 소자
JP4850521B2 (ja) * 2005-02-28 2012-01-11 富士フイルム株式会社 有機電界発光素子
US8143613B2 (en) * 2007-11-27 2012-03-27 The Regents Of The University Of Michigan Organic light emitting device having multiple separate emissive layers

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JP2013048265A (ja) 2013-03-07
JP2008535266A (ja) 2008-08-28
WO2006105387A2 (en) 2006-10-05
KR101255871B1 (ko) 2013-04-17
EP1878068A2 (en) 2008-01-16
EP1878068B1 (en) 2013-11-13
US7683536B2 (en) 2010-03-23
JP5662402B2 (ja) 2015-01-28
TW200644719A (en) 2006-12-16
KR20070114376A (ko) 2007-12-03
TWI452930B (zh) 2014-09-11
CN101156257A (zh) 2008-04-02
US20060279204A1 (en) 2006-12-14
JP2016028459A (ja) 2016-02-25
WO2006105387A3 (en) 2007-06-21
WO2006105387A8 (en) 2007-11-22

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