JP4882508B2 - 有機エレクトロルミネッセンス素子の製造方法 - Google Patents
有機エレクトロルミネッセンス素子の製造方法 Download PDFInfo
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- JP4882508B2 JP4882508B2 JP2006142563A JP2006142563A JP4882508B2 JP 4882508 B2 JP4882508 B2 JP 4882508B2 JP 2006142563 A JP2006142563 A JP 2006142563A JP 2006142563 A JP2006142563 A JP 2006142563A JP 4882508 B2 JP4882508 B2 JP 4882508B2
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- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
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- ZOKIJILZFXPFTO-UHFFFAOYSA-N 4-methyl-n-[4-[1-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C1(CCCCC1)C=1C=CC(=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 ZOKIJILZFXPFTO-UHFFFAOYSA-N 0.000 description 2
- 229910017073 AlLi Inorganic materials 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
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- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- OPHUWKNKFYBPDR-UHFFFAOYSA-N copper lithium Chemical compound [Li].[Cu] OPHUWKNKFYBPDR-UHFFFAOYSA-N 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- YPWMFDFZVVRFEG-UHFFFAOYSA-N indium;propan-2-one Chemical compound [In].CC(C)=O YPWMFDFZVVRFEG-UHFFFAOYSA-N 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
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- 239000004332 silver Substances 0.000 description 2
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- 239000010405 anode material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 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
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Description
前記有機発光層を形成する工程は、前記第1電極上に、少なくとも1層の有機発光層の材料からなる塗布液が収容されたインクタンクからインクチャンバーに該塗布液を供給し、該インクチャンバーからアニロックスロールに前記塗布液を供給し、該アニロックスロールから凸版の凸部に前記塗布液を供給し、該凸部から前記塗布液を前記第1電極上に供給する工程、からなり、
次に、ドライプロセスにより前記有機発光層上にSiOx、SiO 2 、SiNx、Si 3 N 4 、AlF 3 、MnF 2 、Ag、Cr、Cu、Ge、Ir、Ni、Os、Pd、Pt、Re、Rh、Ru、Se、Si、Te、Wのいずれかからなるバリア層を形成する工程と、
次に、前記バリア層上にアルカリ土類金属、アルカリ金属、又はアルカリ土類金属の塩からなる電子注入層を真空中で形成する工程と、
を行うことを特徴とする有機エレクトロルミネッセンス素子の製造方法である。
まず、厚さが0.7mm、対角1.8インチサイズのガラス基板を基板として用い、この基板上に、陽極材料であるITOを使用し、スパッタ法を用いて真空中でITO膜を形成し、フォトリソ法と酸溶液によるエッチングでITO膜をパターニングしてライン電極を設けた。ラインパターンは、線幅136μm、スペース30μmで、192ライン形成した。
実施例1のバリア層をSiNxに替えて、パッシブマトリックスタイプの有機EL素子の表示装置を作成した。SiNxのバリア層は、SiH4とN2を使用し、真空蒸着法を用いて厚さ0.4nmのものを形成した。
実施例1のバリア層をAlF3に替えて、パッシブマトリックスタイプの有機EL素子の表示装置を作成した。AlF3のバリア層は、真空蒸着法を用いて厚さ0.4nmのものを形成した。
実施例1のバリア層をPdに替えて、パッシブマトリックスタイプの有機EL素子の表示装置を作成した。Pdのバリア層は、電子ビーム法を用いて厚さ0.4nmのものを形成した。
実施例1のSiOxのバリア層を設けず、パッシブマトリックスタイプの有機EL素子の表示装置を作成した。
実施例1のSiOxのバリア層を、0.05nmの厚さで形成した、パッシブマトリックスタイプの有機EL素子の表示装置を作成した。
実施例1のSiOxのバリア層を、1.5nmの厚さで形成した、パッシブマトリックスタイプの有機EL素子の表示装置を作成した。
102,302:第1電極
103,303:有機発光媒体層
103a,303a:正孔注入層
103b,303b:正孔輸送層
103c,303c:有機発光層
103d,303d:電子注入層
104:304:無機バリア層
105,305:第2電極
306:絶縁層
201:被印刷基板
202:インキタンク
203:インキチャンバー
204:アニロックスロール
204a:塗布層
205:版
206:版胴
207:平台
Claims (1)
- 第1電極と、前記第1電極に対向するように設けられた第2電極と、前記第1電極と前記第2電極の間に少なくとも有機発光層を含む2層以上の有機発光媒体層とを具備した有機エレクトロルミネッセンス素子の製造方法であって、
前記有機発光層を形成する工程は、前記第1電極上に、少なくとも1層の有機発光層の材料からなる塗布液が収容されたインクタンクからインクチャンバーに該塗布液を供給し、該インクチャンバーからアニロックスロールに前記塗布液を供給し、該アニロックスロールから凸版の凸部に前記塗布液を供給し、該凸部から前記塗布液を前記第1電極上に供給する工程、からなり、
次に、ドライプロセスにより前記有機発光層上にSiOx、SiO 2 、SiNx、Si 3 N 4 、AlF 3 、MnF 2 、Ag、Cr、Cu、Ge、Ir、Ni、Os、Pd、Pt、Re、Rh、Ru、Se、Si、Te、Wのいずれかからなるバリア層を形成する工程と、
次に、前記バリア層上にアルカリ土類金属、アルカリ金属、又はアルカリ土類金属の塩からなる電子注入層を真空中で形成する工程と、
を行うことを特徴とする有機エレクトロルミネッセンス素子の製造方法。
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JP2010147257A (ja) * | 2008-12-19 | 2010-07-01 | Nippon Seiki Co Ltd | 有機el素子 |
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WO1996004687A1 (fr) * | 1994-08-05 | 1996-02-15 | Hoechst Aktiengesellschaft | Diode electroluminescente organique a jonction p-n |
JP2000315581A (ja) * | 1999-04-30 | 2000-11-14 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子およびその製造方法 |
JP2001155858A (ja) * | 1999-11-24 | 2001-06-08 | Sharp Corp | 有機el素子の製造方法 |
JP3742054B2 (ja) * | 2001-11-30 | 2006-02-01 | 株式会社半導体エネルギー研究所 | 表示装置 |
JP4216572B2 (ja) * | 2002-11-20 | 2009-01-28 | 株式会社東芝 | 有機el素子及び有機el表示装置 |
JP4447358B2 (ja) * | 2004-03-31 | 2010-04-07 | 大日本印刷株式会社 | 有機半導体素子 |
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