JP2009295911A - 有機el発光装置 - Google Patents
有機el発光装置 Download PDFInfo
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- JP2009295911A JP2009295911A JP2008150489A JP2008150489A JP2009295911A JP 2009295911 A JP2009295911 A JP 2009295911A JP 2008150489 A JP2008150489 A JP 2008150489A JP 2008150489 A JP2008150489 A JP 2008150489A JP 2009295911 A JP2009295911 A JP 2009295911A
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- 239000010408 film Substances 0.000 claims abstract description 195
- 230000002093 peripheral effect Effects 0.000 claims abstract description 49
- 239000010409 thin film Substances 0.000 claims abstract description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 10
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 9
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 78
- 239000000758 substrate Substances 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 230000006866 deterioration Effects 0.000 abstract description 12
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 103
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- 239000012044 organic layer Substances 0.000 description 11
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- 239000005394 sealing glass Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 238000004544 sputter deposition Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 101100214488 Solanum lycopersicum TFT2 gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 229910052730 francium Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000005019 vapor deposition process Methods 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
-
- 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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting 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
- H10K50/30—Organic light-emitting transistors
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/846—Passivation; Containers; Encapsulations comprising getter material or desiccants
-
- 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
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/874—Passivation; Containers; Encapsulations including getter material or desiccant
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
【解決手段】 画素が配列される発光領域Aに配置される薄膜トランジスタ上を平坦化する平坦化膜4Aと、平坦化膜4A上に形成された画素を区画するための素子分離膜8Aと、画素内の平坦化膜8A上に形成される電荷輸送層6’が、アルカリ金属、アルカリ土類金属のうちいずれか一つを含有し、平坦化膜4Aの周辺領域B内に形成された外周部の側面を覆うように画素内から発光領域A外に延在している。
【選択図】 図1
Description
本実施例について、図2と図3を用いて説明する。
本実施例について、図7を用いて説明する。
本比較例について、図9を用いて説明する。
2 薄膜トランジスタ(TFT)
3 無機絶縁膜
4A,4B,4B’ 平坦化膜
5 第一電極
6 有機層
6’ 電荷輸送層
7 第二電極
8A,8B,8B’ 素子分離膜
9 封止ガラス
10 電極配線
11 駆動回路
12 電源および信号供給パッド
13 構造物
14 無機封止層
15 充填材
16 円偏光板
A 発光領域
B 周辺領域
C,C1,C2 分断領域
Claims (11)
- 画素が配列される発光領域と前記発光領域を囲む周辺領域を有する基板と、
前記基板の前記発光領域に配置される薄膜トランジスタと、
前記薄膜トランジスタ上を平坦化する樹脂からなる平坦化膜と、
前記平坦化膜上に形成された前記画素を区画するための素子分離膜と、
前記画素内の前記平坦化膜上に第一電極、アルカリ金属とアルカリ土類金属のうちいずれか一つを含有する電荷輸送層、第二電極、を順に形成する有機EL素子と、を備える有機EL発光装置であって、
前記電荷輸送層は、前記平坦化膜の前記周辺領域内に形成された外周部の側面を覆うように前記発光領域外に延在していることを特徴とする有機EL発光装置。 - 前記電荷輸送層が、前記素子分離膜及び/又は前記平坦化膜に接していることを特徴とする請求項1に記載の有機EL発光装置。
- 前記基板の前記周辺領域に前記薄膜トランジスタの駆動を制御する駆動回路が配置され、前記駆動回路上に前記平坦化膜が形成されており、前記平坦化膜は前記周辺領域内に設けられた分断領域によって分断されていることを特徴とする請求項1又は2に記載の有機EL発光装置。
- 前記電荷輸送層は、前記駆動回路上の前記平坦化膜に接していることを特徴とする請求項3に記載の有機EL発光装置。
- 前記第二電極に電位を供給する電極配線が前記周辺領域に設けられ、前記第二電極と電気的に接続していることを特徴とする請求項3又は4に記載の有機EL発光装置。
- 前記電極配線が前記駆動回路上の前記平坦化膜上に設けられることを特徴とする請求項5に記載の有機EL発光装置。
- 前記電極配線が前記分断領域を基準にして前記発光領域と反対側に位置する、前記分断領域と異なる前記基板の分断領域に設けられることを特徴とする請求項5に記載の有機EL発光装置。
- 前記電極配線が前記基板の前記分断領域に設けられていることを特徴とする請求項5に記載の有機EL発光装置。
- 前記電荷輸送層は、前記基板の前記分断領域と、前記駆動回路上の前記平坦化膜の前記分断領域内に形成された側面と、を覆うように前記周辺領域に延在することを特徴とする請求項3乃至7のいずれか一項に記載の有機EL発光装置。
- 前記基板の前記分断領域に前記分断領域に沿って形成される構造物により、前記電荷輸送層が前記分断領域内で不連続となることを特徴とする請求項9に記載の有機EL発光装置。
- 前記構造物が導電性材料からなり、前記第二電極と前記構造物とが電気的に接続していることを特徴とする請求項10に記載の有機EL発光装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008150489A JP4991634B2 (ja) | 2008-06-09 | 2008-06-09 | 有機el発光装置 |
KR1020117000267A KR20110025956A (ko) | 2008-06-09 | 2009-06-04 | 유기발광장치 |
CN2009801210343A CN102057513B (zh) | 2008-06-09 | 2009-06-04 | 有机发光器件 |
PCT/JP2009/002520 WO2009150802A1 (en) | 2008-06-09 | 2009-06-04 | Organic light-emitting device |
US12/996,732 US8766241B2 (en) | 2008-06-09 | 2009-06-04 | Organic light-emitting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008150489A JP4991634B2 (ja) | 2008-06-09 | 2008-06-09 | 有機el発光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009295911A true JP2009295911A (ja) | 2009-12-17 |
JP4991634B2 JP4991634B2 (ja) | 2012-08-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008150489A Expired - Fee Related JP4991634B2 (ja) | 2008-06-09 | 2008-06-09 | 有機el発光装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8766241B2 (ja) |
JP (1) | JP4991634B2 (ja) |
KR (1) | KR20110025956A (ja) |
CN (1) | CN102057513B (ja) |
WO (1) | WO2009150802A1 (ja) |
Cited By (10)
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JP2011150999A (ja) * | 2009-12-21 | 2011-08-04 | Canon Inc | 発光装置 |
KR20140118787A (ko) * | 2013-03-29 | 2014-10-08 | 소니 주식회사 | 유기 el 표시 장치 및 전자 기기 |
JP2015015089A (ja) * | 2013-07-03 | 2015-01-22 | 株式会社ジャパンディスプレイ | 発光素子表示装置 |
US9419068B2 (en) | 2014-04-08 | 2016-08-16 | Japan Display Inc. | Organic EL display device and method of manufacturing organic EL display device |
US9929378B2 (en) | 2016-01-04 | 2018-03-27 | Japan Display Inc. | Organic el display device |
JP2019003720A (ja) * | 2017-06-09 | 2019-01-10 | 株式会社Joled | 有機el表示パネル |
JP2019016429A (ja) * | 2017-07-03 | 2019-01-31 | 株式会社Joled | 表示装置および表示装置の製造方法 |
KR20190047565A (ko) * | 2017-10-27 | 2019-05-08 | 엘지디스플레이 주식회사 | 표시 장치 |
WO2020065932A1 (ja) * | 2018-09-28 | 2020-04-02 | シャープ株式会社 | 表示装置 |
JP2023099446A (ja) * | 2021-12-31 | 2023-07-13 | エルジー ディスプレイ カンパニー リミテッド | 発光表示装置 |
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KR20130007053A (ko) * | 2011-06-28 | 2013-01-18 | 삼성디스플레이 주식회사 | 유기발광표시장치 및 그 제조방법 |
KR101521676B1 (ko) | 2011-09-20 | 2015-05-19 | 엘지디스플레이 주식회사 | 유기발광 다이오드 표시장치 및 그의 제조방법 |
KR101994227B1 (ko) * | 2012-12-07 | 2019-09-30 | 엘지디스플레이 주식회사 | 유기전계 발광소자 및 그 제조방법 |
KR102132882B1 (ko) | 2012-12-20 | 2020-07-13 | 삼성디스플레이 주식회사 | 박막트랜지스터 기판, 이를 구비하는 유기 발광 장치, 박막트랜지스터 기판 제조방법 및 유기 발광 장치 제조방법 |
KR102079253B1 (ko) | 2013-06-26 | 2020-02-20 | 삼성디스플레이 주식회사 | 박막트랜지스터 기판, 이를 구비하는 유기 발광 장치, 박막트랜지스터 기판 제조방법 및 유기 발광 장치 제조방법 |
JP6329795B2 (ja) * | 2014-03-27 | 2018-05-23 | 株式会社ジャパンディスプレイ | El表示装置及びel表示装置の製造方法 |
KR102598926B1 (ko) * | 2016-10-31 | 2023-11-03 | 엘지디스플레이 주식회사 | 유기발광소자를 이용한 조명장치 및 그 제조방법 |
KR102636749B1 (ko) | 2016-11-28 | 2024-02-14 | 엘지디스플레이 주식회사 | 유기발광소자를 이용한 조명장치 및 그 제조방법 |
KR102582059B1 (ko) * | 2016-12-30 | 2023-09-21 | 엘지디스플레이 주식회사 | 표시 장치 및 이를 이용한 멀티 스크린 표시 장치 |
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CN111903187B (zh) * | 2018-03-28 | 2023-07-04 | 夏普株式会社 | 显示装置 |
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CN117716808A (zh) * | 2022-05-27 | 2024-03-15 | 京东方科技集团股份有限公司 | 显示面板及其制作方法、显示装置 |
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2008
- 2008-06-09 JP JP2008150489A patent/JP4991634B2/ja not_active Expired - Fee Related
-
2009
- 2009-06-04 WO PCT/JP2009/002520 patent/WO2009150802A1/en active Application Filing
- 2009-06-04 KR KR1020117000267A patent/KR20110025956A/ko not_active Application Discontinuation
- 2009-06-04 US US12/996,732 patent/US8766241B2/en not_active Expired - Fee Related
- 2009-06-04 CN CN2009801210343A patent/CN102057513B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US20110163331A1 (en) | 2011-07-07 |
KR20110025956A (ko) | 2011-03-14 |
JP4991634B2 (ja) | 2012-08-01 |
CN102057513A (zh) | 2011-05-11 |
CN102057513B (zh) | 2013-06-05 |
US8766241B2 (en) | 2014-07-01 |
WO2009150802A1 (en) | 2009-12-17 |
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