JP5006108B2 - 表示装置 - Google Patents
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- JP5006108B2 JP5006108B2 JP2007146465A JP2007146465A JP5006108B2 JP 5006108 B2 JP5006108 B2 JP 5006108B2 JP 2007146465 A JP2007146465 A JP 2007146465A JP 2007146465 A JP2007146465 A JP 2007146465A JP 5006108 B2 JP5006108 B2 JP 5006108B2
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- 101150024356 ADF2 gene Proteins 0.000 description 1
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- 101100272964 Arabidopsis thaliana CYP71B15 gene Proteins 0.000 description 1
- 101100123053 Arabidopsis thaliana GSH1 gene Proteins 0.000 description 1
- 101100298888 Arabidopsis thaliana PAD2 gene Proteins 0.000 description 1
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- 239000004593 Epoxy Substances 0.000 description 1
- 101000590281 Homo sapiens 26S proteasome non-ATPase regulatory subunit 14 Proteins 0.000 description 1
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- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 150000004706 metal oxides Chemical class 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
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- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- 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
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
-
- 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
- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
-
- 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
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/818—Reflective anodes, e.g. ITO combined with thick metallic layers
-
- 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
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/824—Cathodes combined with auxiliary electrodes
-
- 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
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
- H10K59/1315—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
-
- 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
- H10K59/805—Electrodes
- H10K59/8051—Anodes
- H10K59/80518—Reflective anodes, e.g. ITO combined with thick metallic layers
-
- 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
- H10K59/805—Electrodes
- H10K59/8052—Cathodes
- H10K59/80522—Cathodes combined with auxiliary electrodes
-
- 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
- H10K59/878—Arrangements for extracting light from the devices comprising reflective means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
但し、中間層の一部にコンタクトホールや切り欠き(式1の例外)を設けて、ITO1とITO2を直接接続する。
このように、最下層のITO1が中間層から露出しているので、レジスト剥離液に最下層のITO1と中間層のAlが接するが、最上層のITO2と中間層は、レジスト剥離液に接しないので、最上層のITO2に起因した電池反応は抑制できる。
<画素の従来態様>
次に、画素の従来の積層構造を説明する。
(画素の態様1)
本発明を適用した画素構造の態様1を図10乃至16に示す。
但し、中間層の一部にコンタクトホールや切り欠き(式1の例外)を設けて、ITO1とITO2を直接接続する。
補助配線に本発明を適用した態様1を示す。
但し、中間層の一部にコンタクトホールや切り欠き(式1の例外)を設けて、第1補助配線COM-SUP1と第4補助配線COM-SUP4を直接接続する。
(補助配線の態様2)
次に、補助配線に本発明を適用した態様2を示す。
(補助配線の態様3)
次に、補助配線に本発明を適用した態様3を示す。
このように、最下層のITOが中間層のアルミニウムから露出しているので、レジスト剥離液に最下層のITOと中間層のアルミニウムは接するが、最上層のITOと中間層のアルミニウムはレジスト剥離液に接しないので、最上層のITOに起因した電池反応は抑制できる。
<画素構造の態様2>
次に、補助配線に本発明を適用した断面構造図を示す。
このように、最下層のITO1が中間層から露出しているので、レジスト剥離液に最下層のITO1と中間層のAlが接するが、最上層のITO2と中間層は、レジスト剥離液に接しないので、最上層のITO2に起因した電池反応は抑制できる。
Claims (6)
- 基板上に、複数のアクティブ素子と、複数のアクティブ素子を覆う第1絶縁膜と、前記第1絶縁膜上画素毎に分離した状態で配置された導電膜と、前記アクティブ素子と前記導電膜とを導通させるため前記第1絶縁膜に設けられたスルーホールと、前記導電膜の上層に配置された発光層と、前記発光層の上層に配置された共通電極と、を備え、
前記導電膜は、第1導電膜と第2導電膜と第3導電膜との積層膜を備え、
前記第1導電膜は、クロムを含む材料で構成され、
前記第1導電膜は、前記第2導電膜よりも前記基板近くに配置され、
前記第2導電膜は、アルミニウムを含む材料で構成され、
前記第2導電膜は、前記第1導電膜の一部を覆っており、
前記第3導電膜は、ITOを含み、
前記第3導電膜は、前記第1導電膜及び前記第2導電膜よりも前記共通電極に近い層であり、
前記第1導電膜と前記第3導電膜は接触しており、
前記接触は、前記スルーホールが形成された部分を含む領域でなされ、
前記第2導電膜の上面は前記第3導電膜で覆われていることを特徴とする表示装置。 - 基板上に、複数のアクティブ素子と、複数のアクティブ素子を覆う第1絶縁膜と、前記第1絶縁膜上画素毎に分離した状態で配置された導電膜と、前記導電膜の上層に配置された発光層と、前記発光層の上層に配置された共通電極と、を備え、
前記導電膜は、第1導電膜と第2導電膜と第3導電膜との積層膜を備え、
前記第1導電膜は、ITO又はクロムを含む材料で構成され、
前記第1導電膜は、前記第2導電膜よりも前記基板近くに配置され、
前記第2導電膜は、アルミニウムを含む材料で構成され、
前記第2導電膜は、前記第1導電膜の外縁を覆っており、
前記第3導電膜は、ITOを含み、
前記第3導電膜は、前記第1導電膜及び前記第2導電膜よりも前記共通電極に近い層であり、
前記第1導電膜と前記第3導電膜は接触しており、
前記接触は、前記第2導電膜の中の第1コンタクトホールでなされ、
前記第2導電膜の上面は前記第3導電膜で覆われていることを特徴とする表示装置。 - 請求項1又は2において、
前記第1導電膜の上面は、第3導電膜で覆われていることを特徴とする表示装置。 - 請求項2において、
前記第3導電膜と共通電極との間に、前記第1導電膜の外縁を覆う第2絶縁膜を備え、
前記第1コンタクトホールは、前記第2絶縁膜で覆われていることを特徴とする表示装置。 - 請求項1において、
前記第3導電膜と共通電極との間に、前記第1導電膜の外縁を覆う第2絶縁膜を備え、
前記第3導電膜は、前記スルーホールを介して前記アクティブ素子から電流が供給され、
前記スルーホールは、前記第2絶縁膜で覆われていることを特徴とする表示装置。 - 請求項4において、
前記第1絶縁膜中にスルーホールを備え、
前記第3導電膜は、前記スルーホールを介して前記アクティブ素子から電流が供給され、
前記スルーホールは、前記第2絶縁膜で覆われていることを特徴とする表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007146465A JP5006108B2 (ja) | 2007-06-01 | 2007-06-01 | 表示装置 |
CN200810109802.0A CN101315945B (zh) | 2007-06-01 | 2008-05-30 | 有机el显示装置 |
US12/155,206 US8729794B2 (en) | 2007-06-01 | 2008-05-30 | Display device having three layer electroconductive film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007146465A JP5006108B2 (ja) | 2007-06-01 | 2007-06-01 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008300260A JP2008300260A (ja) | 2008-12-11 |
JP5006108B2 true JP5006108B2 (ja) | 2012-08-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007146465A Active JP5006108B2 (ja) | 2007-06-01 | 2007-06-01 | 表示装置 |
Country Status (3)
Country | Link |
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US (1) | US8729794B2 (ja) |
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CN101315945A (zh) | 2008-12-03 |
US20080309233A1 (en) | 2008-12-18 |
CN101315945B (zh) | 2010-06-16 |
JP2008300260A (ja) | 2008-12-11 |
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