JP4386285B2 - 有機電界発光素子及びその製造方法 - Google Patents
有機電界発光素子及びその製造方法 Download PDFInfo
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- JP4386285B2 JP4386285B2 JP2005182358A JP2005182358A JP4386285B2 JP 4386285 B2 JP4386285 B2 JP 4386285B2 JP 2005182358 A JP2005182358 A JP 2005182358A JP 2005182358 A JP2005182358 A JP 2005182358A JP 4386285 B2 JP4386285 B2 JP 4386285B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000010410 layer Substances 0.000 claims description 129
- 239000000758 substrate Substances 0.000 claims description 31
- 239000012044 organic layer Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims description 11
- 238000005401 electroluminescence Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 229920005668 polycarbonate resin Polymers 0.000 claims description 4
- 239000004431 polycarbonate resin Substances 0.000 claims description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 description 28
- 230000008569 process Effects 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 4
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- 238000001039 wet etching Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 230000005525 hole transport Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- -1 poly (p-phenylene vinylene) Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- MBPCKEZNJVJYTC-UHFFFAOYSA-N 4-[4-(n-phenylanilino)phenyl]aniline Chemical compound C1=CC(N)=CC=C1C1=CC=C(N(C=2C=CC=CC=2)C=2C=CC=CC=2)C=C1 MBPCKEZNJVJYTC-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/879—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- 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
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- 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
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
- Y10T428/24537—Parallel ribs and/or grooves
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Description
本実施例では,FDTD(Finite Difference Time Domain)シミュレーションを通じて回折格子層の屈折率差による光取り出し効率の増加度を計算して比較した。
本実施例に係るナノ多孔質層(屈折率:1.0)の代りに,屈折率がそれぞれ1.1,1.2,1.3,1.4である材料を使用した場合の光取り出し効率の増加度を計算し,その結果を図5に図示した。
61 第1電極層
62 第2電極層
70 有機層
80 光損失防止層
81 第1領域
82 第2領域
30 第2電極
31 有機層
32 第1電極
33 高屈折率層
34 ナノ多孔質層
35 背面基板
Claims (10)
- 背面基板と,前記背面基板の一面に形成され,第1電極,有機層及び第2電極が順次積層されて形成された有機電界発光部と,を含む有機電界発光素子において,
前記背面基板と前記第1電極との間に,ナノ多孔質層と,当該ナノ多孔質層を覆うように形成された高屈折率層と,
を含み,
前記高屈折率層は,SOG(Spin−On−Glass),TiO 2 ,及びTa 2 O 5 からなる群から選択された物質で形成される層であり,
前記ナノ多孔質層及び前記高屈折率層は,回折格子を形成することを特徴とする有機電界発光素子。 - 前記ナノ多孔質層の厚みは,1000nm以下であることを特徴とする請求項1に記載の有機電界発光素子。
- 前記高屈折率層の厚みは,2000nm以下であることを特徴とする請求項1に記載の有機電界発光素子。
- 前記高屈折率層の屈折率は,1.6以上であることを特徴とする請求項1に記載の有機電界発光素子。
- 前記ナノ多孔質層は,200nm〜1000nmの周期で規則的に繰り返されるナノ多孔質格子を有することを特徴とする請求項1に記載の有機電界発光素子。
- 前記ナノ多孔質格子の幅は,20nm〜900nmであることを特徴とする請求項5に記載の有機電界発光素子。
- 前記第1電極は,ITO(Indium Tin Oxide)電極であることを特徴とする請求項1に記載の有機電界発光素子。
- 背面基板上にフォトレジスト組成物をコーティングする段階と;
前記背面基板上にナノ格子層を形成する段階と;
前記ナノ格子層上に高屈折率層をコーティングする段階と;
前記ナノ格子層にナノ多孔質層を形成する段階と;
前記ナノ多孔質層上に,第1電極,有機層及び第2電極を順次積層させる段階と;
を含み,
前記高屈折率層は,SOG(Spin−On−Glass),TiO 2 ,及びTa 2 O 5 からなる群から選択された物質で形成される層であることを特徴とする有機電界発光素子の製造方法。 - 前記フォトレジスト組成物は,感光性ポリカーボネート樹脂であることを特徴とする請求項8に記載の有機電界発光素子の製造方法。
- 前記ナノ多孔質層を形成する段階は,200℃〜600℃の温度で行われる焼成工程であることを特徴とする請求項8に記載の有機電界発光素子の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040048659A KR100852110B1 (ko) | 2004-06-26 | 2004-06-26 | 유기 전계 발광 소자 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006012826A JP2006012826A (ja) | 2006-01-12 |
JP4386285B2 true JP4386285B2 (ja) | 2009-12-16 |
Family
ID=35540592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005182358A Expired - Fee Related JP4386285B2 (ja) | 2004-06-26 | 2005-06-22 | 有機電界発光素子及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7696687B2 (ja) |
JP (1) | JP4386285B2 (ja) |
KR (1) | KR100852110B1 (ja) |
CN (1) | CN1728909A (ja) |
Cited By (1)
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WO2011132773A1 (ja) | 2010-04-22 | 2011-10-27 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子及び照明装置 |
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US7742673B2 (en) * | 2007-09-28 | 2010-06-22 | General Electric Company | Thermal mangement article having thermal wave guide |
WO2009079249A1 (en) * | 2007-12-14 | 2009-06-25 | 3M Innovative Properties Company | Methods for making electronic devices |
JP5057076B2 (ja) * | 2008-03-03 | 2012-10-24 | 大日本印刷株式会社 | 発光素子からの光取出し構造 |
US20100110551A1 (en) * | 2008-10-31 | 2010-05-06 | 3M Innovative Properties Company | Light extraction film with high index backfill layer and passivation layer |
US8253536B2 (en) * | 2009-04-22 | 2012-08-28 | Simon Fraser University | Security document with electroactive polymer power source and nano-optical display |
US20120119641A1 (en) * | 2009-05-14 | 2012-05-17 | Yijian Shi | Output efficiency of organic light emitting devices |
JP5538766B2 (ja) * | 2009-07-28 | 2014-07-02 | キヤノン株式会社 | 画像表示装置 |
JP4743917B2 (ja) * | 2009-08-25 | 2011-08-10 | Necシステムテクノロジー株式会社 | 光学ユニット |
KR101318374B1 (ko) * | 2009-12-03 | 2013-10-16 | 한국전자통신연구원 | 유기 전계 발광소자 및 그 제조 방법 |
KR101084243B1 (ko) | 2009-12-14 | 2011-11-16 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
JP5258817B2 (ja) | 2010-03-02 | 2013-08-07 | 株式会社東芝 | 照明装置及びその製造方法 |
JP4812141B2 (ja) * | 2010-03-24 | 2011-11-09 | Necシステムテクノロジー株式会社 | 分析装置 |
US8538224B2 (en) * | 2010-04-22 | 2013-09-17 | 3M Innovative Properties Company | OLED light extraction films having internal nanostructures and external microstructures |
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US8547015B2 (en) * | 2010-10-20 | 2013-10-01 | 3M Innovative Properties Company | Light extraction films for organic light emitting devices (OLEDs) |
FR2970849B1 (fr) | 2011-01-27 | 2013-02-22 | Dior Christian Parfums | Dispositif applicateur de produit et son utilisation. |
EP2541637B1 (de) | 2011-06-30 | 2022-01-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Elektrolumineszente Lichtemissionseinrichtung mit einer optischen Gitterstruktur und Verfahren zur Herstellung derselben |
US8922113B2 (en) * | 2012-02-03 | 2014-12-30 | The Regents Of The University Of Michigan | OLED device with integrated reflector |
CN102683536B (zh) * | 2012-05-14 | 2015-02-04 | 哈密市共创科技发展有限责任公司 | 一种电致冷光组件及其生产方法 |
US9246134B2 (en) * | 2014-01-20 | 2016-01-26 | 3M Innovative Properties Company | Lamination transfer films for forming articles with engineered voids |
CN107004775B (zh) * | 2014-10-24 | 2019-12-03 | 康宁公司 | 具有使用增强导引模态耦合的改善的光提取的有机发光二极管 |
KR102343390B1 (ko) * | 2017-04-03 | 2021-12-28 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
WO2019031786A1 (en) * | 2017-08-08 | 2019-02-14 | Samsung Electronics Co., Ltd. | OPTICAL ELEMENT, POLARIZING ELEMENT, AND DISPLAY DEVICE |
US10998297B1 (en) * | 2018-05-15 | 2021-05-04 | Facebook Technologies, Llc | Nano-porous metal interconnect for light sources |
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JP2991183B2 (ja) * | 1998-03-27 | 1999-12-20 | 日本電気株式会社 | 有機エレクトロルミネッセンス素子 |
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JP2003115377A (ja) * | 2001-10-03 | 2003-04-18 | Nec Corp | 発光素子、その製造方法およびこれを用いた表示装置 |
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JP4220305B2 (ja) * | 2003-05-22 | 2009-02-04 | 三星エスディアイ株式会社 | 有機エレクトロルミネセンス素子 |
JP2005050708A (ja) * | 2003-07-29 | 2005-02-24 | Samsung Sdi Co Ltd | 光学素子用基板及び有機エレクトロルミネッセンス素子並びに有機エレクトロルミネッセンス表示装置 |
-
2004
- 2004-06-26 KR KR1020040048659A patent/KR100852110B1/ko active IP Right Grant
-
2005
- 2005-06-22 JP JP2005182358A patent/JP4386285B2/ja not_active Expired - Fee Related
- 2005-06-24 CN CNA2005100980763A patent/CN1728909A/zh active Pending
- 2005-06-24 US US11/165,549 patent/US7696687B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011132773A1 (ja) | 2010-04-22 | 2011-10-27 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子及び照明装置 |
US9184414B2 (en) | 2010-04-22 | 2015-11-10 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent element and lighting device |
Also Published As
Publication number | Publication date |
---|---|
KR20050122967A (ko) | 2005-12-29 |
KR100852110B1 (ko) | 2008-08-13 |
CN1728909A (zh) | 2006-02-01 |
US20060006778A1 (en) | 2006-01-12 |
US7696687B2 (en) | 2010-04-13 |
JP2006012826A (ja) | 2006-01-12 |
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