JP2010258197A5 - - Google Patents

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Publication number
JP2010258197A5
JP2010258197A5 JP2009106147A JP2009106147A JP2010258197A5 JP 2010258197 A5 JP2010258197 A5 JP 2010258197A5 JP 2009106147 A JP2009106147 A JP 2009106147A JP 2009106147 A JP2009106147 A JP 2009106147A JP 2010258197 A5 JP2010258197 A5 JP 2010258197A5
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Prior art keywords
light
emitting layer
metal
light emitting
organic electroluminescence
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JP2009106147A
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JP2010258197A (en
JP5306038B2 (en
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Priority to JP2009106147A priority Critical patent/JP5306038B2/en
Priority claimed from JP2009106147A external-priority patent/JP5306038B2/en
Priority to KR1020100035228A priority patent/KR101841274B1/en
Publication of JP2010258197A publication Critical patent/JP2010258197A/en
Publication of JP2010258197A5 publication Critical patent/JP2010258197A5/ja
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Publication of JP5306038B2 publication Critical patent/JP5306038B2/en
Priority to KR1020160063659A priority patent/KR101907255B1/en
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Claims (7)

りん光を発する発光材料を含む発光層と、該発光層を挟んで該発光層にそれぞれ隣接して配置された第１および第２の隣接層とを含む複数の層が、電極間に積層されてなる有機エレクトロルミネッセンス素子であって、
前記発光材料の第１励起３重項エネルギーレベルが、前記第１および第２の隣接層を構成する複数の材料の第１励起３重項エネルギーレベルうち最も低いエネルギーレベルよりも高く、
前記発光層の近傍に、前記発光層からの発光光によるプラズモン共鳴を表面に生じせしめる金属部材を備えていることを特徴とする有機エレクトロルミネッセンス素子。 A plurality of layers including a light-emitting layer including a light-emitting material that emits phosphorescence and first and second adjacent layers disposed adjacent to the light-emitting layer with the light-emitting layer interposed therebetween are stacked between the electrodes. An organic electroluminescence device comprising:
A first excited triplet energy level of the light emitting material is higher than a lowest energy level of first excited triplet energy levels of a plurality of materials constituting the first and second adjacent layers;
An organic electroluminescence element comprising a metal member that causes plasmon resonance caused by light emitted from the light emitting layer on the surface in the vicinity of the light emitting layer. 前記金属部材と前記発光領域との距離が、３０ｎｍ以下であることを特徴とする請求項１記載の有機エレクトロルミネッセンス素子。   The organic electroluminescence device according to claim 1, wherein a distance between the metal member and the light emitting region is 30 nm or less. 前記金属部材が、前記複数の層の間に配置された金属膜であることを特徴とする請求項１または２記載の有機エレクトロルミネッセンス素子。 Wherein the metal member is an organic electroluminescent device according to claim 1 or 2, wherein it is a metal film disposed between the plurality of layers. 前記金属膜が、粒径５ｎｍ以上の多数の金属微粒子が膜状に分散されてなるアイランド構造膜であることを特徴とする請求項３記載の有機エレクトロルミネッセンス素子。   4. The organic electroluminescence device according to claim 3, wherein the metal film is an island structure film in which a large number of metal fine particles having a particle diameter of 5 nm or more are dispersed in a film shape. 前記金属膜の少なくとも一方の面に、該金属膜の仕事関数を、該金属膜に隣接する層の仕事関数に近づける極性を有する末端基を備えた表面修飾が施されていることを特徴とする請求項３または４記載の有機エレクトロルミネッセンス素子。   At least one surface of the metal film is surface-modified with a terminal group having a polarity that brings the work function of the metal film close to the work function of a layer adjacent to the metal film. The organic electroluminescent element according to claim 3 or 4. 前記金属部材が、金属微粒子コアと、該金属微粒子コアを覆う絶縁体シェルとからなるコアシェル型微粒子であることを特徴とする請求項１または２記載の有機エレクトロルミネッセンス素子。   3. The organic electroluminescence device according to claim 1, wherein the metal member is a core-shell type fine particle comprising a metal fine particle core and an insulator shell covering the metal fine particle core. 前記複数の層が、該素子内に前記発光層からの発光光による定在波の電界強度が最大となる領域が、前記発光層と略一致するような共鳴条件を満たす層厚と屈折率とを有するものであることを特徴とする請求項１から６いずれか１項記載の有機エレクトロルミネッセンス素子。   The plurality of layers have a layer thickness and a refractive index satisfying a resonance condition such that a region where the electric field intensity of the standing wave by the light emitted from the light emitting layer is maximum in the element substantially coincides with the light emitting layer. The organic electroluminescent element according to claim 1, wherein
JP2009106147A 2009-04-24 2009-04-24 Organic electroluminescence device Active JP5306038B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009106147A JP5306038B2 (en) 2009-04-24 2009-04-24 Organic electroluminescence device
KR1020100035228A KR101841274B1 (en) 2009-04-24 2010-04-16 Organic electroluminescence element
KR1020160063659A KR101907255B1 (en) 2009-04-24 2016-05-24 Organic electroluminescence element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009106147A JP5306038B2 (en) 2009-04-24 2009-04-24 Organic electroluminescence device

Publications (3)

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JP2010258197A JP2010258197A (en) 2010-11-11
JP2010258197A5 true JP2010258197A5 (en) 2012-03-08
JP5306038B2 JP5306038B2 (en) 2013-10-02

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JP (1) JP5306038B2 (en)
KR (2) KR101841274B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011065358A1 (en) * 2009-11-27 2011-06-03 国立大学法人大阪大学 Organic electroluminescent element, and method for manufacturing organic electroluminescent element
KR101812673B1 (en) * 2011-02-16 2017-12-27 가부시키가이샤 한도오따이 에네루기 켄큐쇼 Light-emitting element
TWI563702B (en) 2011-02-28 2016-12-21 Semiconductor Energy Lab Co Ltd Light-emitting device
JP2012244060A (en) * 2011-05-23 2012-12-10 Fujifilm Corp Organic electroluminescent element and manufacturing method therefor
JPWO2013042745A1 (en) * 2011-09-21 2015-03-26 パナソニックＩｐマネジメント株式会社 Organic electroluminescence device
CN104993065B (en) 2015-08-04 2018-04-27 京东方科技集团股份有限公司 A kind of OLED luminescent devices and preparation method thereof, display device
JP7004613B2 (en) * 2018-06-27 2022-01-21 住友化学株式会社 Organic electroluminescence element

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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JPH06283271A (en) * 1993-03-26 1994-10-07 Ricoh Co Ltd Organic electroluminescent element
US6999222B2 (en) * 2003-08-13 2006-02-14 The Regents Of The University Of California Plasmon assisted enhancement of organic optoelectronic devices
JP4155569B2 (en) * 2003-08-27 2008-09-24 株式会社日立製作所 High efficiency organic light emitting device
JP2007035430A (en) * 2005-07-27 2007-02-08 Seiko Instruments Inc Organic light emitting device
US8101941B2 (en) * 2005-09-26 2012-01-24 Osram Opto Semiconductors Gmbh Interface conditioning to improve efficiency and lifetime of organic electroluminescence devices
JP2007103174A (en) * 2005-10-04 2007-04-19 Kuraray Co Ltd Electroluminescent element and its manufacturing method
JP2007165284A (en) * 2005-11-18 2007-06-28 Seiko Instruments Inc Electroluminescent device and display using same
JP2007221028A (en) * 2006-02-20 2007-08-30 Konica Minolta Holdings Inc Organic electroluminescence element, display, and illumination device

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