JP6532923B2 - 有機発光表示装置及びその製造方法 - Google Patents
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
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- H10K10/82—Electrodes
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- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
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- H10K2102/101—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO]
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Description
10 基板
11 バッファー層
12 層間絶縁膜
13 パッシベーション層
14 バンク絶縁膜
20 活性層
21 チャネル領域
22 ソース領域
23 ドレイン領域
24 ソース電極
24a、25a 下層部
24b、25b 中層部
24c、25c 上層部
25 ドレイン電極
25d ダミー導電層
26 ゲート絶縁膜
27 ゲート電極
51 第1電極
52 有機発光層
53 第2電極
Claims (17)
- 基板に位置し、ソース領域、ドレイン領域及びチャネル領域を含む半導体層、
前記半導体層のチャネル領域上に備えられたゲート絶縁膜及び前記チャネル領域と重畳するように備えられたゲート電極、
前記ゲート電極を含めた基板上に備えられ、前記ソース領域を露出する第1コンタクトホールとドレイン領域を露出する第2コンタクトホールを備えた層間絶縁膜、
前記ソース領域に前記第1コンタクトホールを通じて接続されたソース電極及び前記ドレイン領域に第2コンタクトホールを通じて接続されたドレイン電極、
前記ソース電極又はドレイン電極のいずれか一つの一部が伸びて形成された第1電極、
前記ソース電極及びドレイン電極を覆うように前記基板上に位置し、前記第1電極を露出するように備えられたパッシベーション層、
前記パッシベーション層上に備えられたバンク絶縁膜、
前記第1電極上に備えられた有機発光層、及び
前記有機発光層上に備えられた第2電極を含み、
前記ソース電極及びドレイン電極は、互いに異なる透明導電性物質でなる下層部と前記下層部上の中層部及び金属物質でなる前記中層部上の上層部を含み、
前記第1電極は、前記ソース電極の下層部又は前記ドレイン電極の下層部と一体に構成される、有機発光表示装置。 - 前記パッシベーション層は、前記有機発光層の縁部の下側まで伸びるように構成される、請求項1に記載の有機発光表示装置。
- 前記有機発光層は、縁部の高さが中心部の高さより高い、請求項2に記載の有機発光表示装置。
- 前記ソース電極又は前記ドレイン電極の前記中層部は、前記有機発光層の縁部の下側まで伸びるように、前記パッシベーション層の縁部の下に備えられ、
前記ソース電極又は前記ドレイン電極の前記中層部の側面端部は前記有機発光層に接する、請求項2に記載の有機発光表示装置。 - 前記有機発光層の一側縁部の下、且つ前記パッシベーション層と前記第1電極との間に、前記有機発光層と接し、前記中層部でなるダミー導電層をさらに含む、請求項4に記載の有機発光表示装置。
- 前記下層部はITOからなり、前記中層部はIGZO又はIZOのいずれか一つからなる、請求項1に記載の有機発光表示装置。
- 前記下層部はIGZO又はIZOのいずれか一つからなり、前記中層部はITOからなる、請求項1に記載の有機発光表示装置。
- 前記パッシベーション層は親水性の無機絶縁物質からなり、
前記バンク絶縁膜は疎水性有機絶縁物質からなる、請求項1に記載の有機発光表示装置。 - 基板上に半導体層を形成する段階、
前記半導体層上にゲート絶縁膜及びゲート電極を形成し、前記半導体層を導体化してソース領域及びドレイン領域を形成する段階、
前記ゲート電極を含めた基板上に第1コンタクトホール及び第2コンタクトホールを備えた層間絶縁膜を形成する段階、
前記層間絶縁膜上に互いに異なる透明導電性物質からなる第1分割層と第2分割層及び金属物質からなる第3分割層を順次形成する段階、
前記第1〜第3分割層をパターニングして、前記第1コンタクトホール及び前記第2コンタクトホールを通じて前記ソース領域及び前記ドレイン領域とそれぞれ接続されたソース電極及びドレイン電極を形成し、前記ソース電極及びドレイン電極のいずれか一つの第1及び第2分割層が発光領域に伸びるように形成する段階、
前記発光領域の前記第2分割層を露出するパッシベーション層を形成する段階、
前記パッシベーション層上に、前記発光領域の前記第2分割層を露出するバンク絶縁膜を形成する段階、
前記発光領域から前記第2分割層を除去して、前記第1分割層からなる第1電極を形成する段階、及び
前記第1電極上に有機発光層及び第2電極を形成する段階、
を含む、有機発光表示装置の製造方法。 - 前記有機発光層はインクジェットプリンティング又はノズルコーティングのいずれか一つの溶液工程で形成する、請求項9に記載の有機発光表示装置の製造方法。
- 前記パッシベーション層は、前記有機発光層の縁部の下側まで伸びるように形成される、請求項9に記載の有機発光表示装置の製造方法。
- 前記有機発光層は、縁部の高さが中心部の高さより高い、請求項11に記載の有機発光表示装置の製造方法。
- 前記ソース電極又は前記ドレイン電極の第2分割層は、前記有機発光層の縁部の下側まで伸びるように、前記パッシベーション層の縁部の下に形成され、
前記ソース電極又は前記ドレイン電極の前記第2分割層の側面端部は、前記有機発光層に接する、請求項11に記載の有機発光表示装置の製造方法。 - 前記有機発光層の一側縁部の下、且つ前記パッシベーション層と前記第1電極との間に、前記有機発光層と接し、前記第2分割層からなるダミー導電層を形成する段階をさらに含む、請求項13に記載の有機発光表示装置の製造方法。
- 前記第1分割層はITOからなり、前記第2分割層はIGZO又はIZOのいずれか一つからなる、請求項9に記載の有機発光表示装置の製造方法。
- 前記第1分割層はIGZO又はIZOのいずれか一つからなり、前記第2分割層はITOからなる、請求項9に記載の有機発光表示装置の製造方法。
- 前記パッシベーション層は親水性の無機絶縁物質からなり、
前記バンク絶縁膜は疎水性有機絶縁物質からなる、請求項9に記載の有機発光表示装置の製造方法。
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KR10-2016-0183980 | 2016-12-30 | ||
KR1020160183980A KR20180078812A (ko) | 2016-12-30 | 2016-12-30 | 유기 발광 표시 장치 및 그 제조 방법 |
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JP6532923B2 true JP6532923B2 (ja) | 2019-06-19 |
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US (1) | US10361257B2 (ja) |
EP (1) | EP3343625A1 (ja) |
JP (1) | JP6532923B2 (ja) |
KR (1) | KR20180078812A (ja) |
CN (1) | CN108269828A (ja) |
TW (1) | TWI697115B (ja) |
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CN109698215B (zh) * | 2017-10-23 | 2024-06-25 | 京东方科技集团股份有限公司 | 阵列基板及其制备方法、显示装置 |
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KR101839930B1 (ko) * | 2010-12-29 | 2018-04-27 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 유기 발광 표시 장치 제조 방법 |
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KR20140064328A (ko) * | 2012-11-20 | 2014-05-28 | 엘지디스플레이 주식회사 | 유기전계 발광소자 및 이의 제조 방법 |
KR102015846B1 (ko) * | 2012-11-26 | 2019-08-29 | 엘지디스플레이 주식회사 | 유기전계 발광소자 |
KR20140067645A (ko) * | 2012-11-27 | 2014-06-05 | 엘지디스플레이 주식회사 | 유기전계 발광소자 및 이의 제조 방법 |
KR102038817B1 (ko) * | 2013-06-28 | 2019-11-01 | 엘지디스플레이 주식회사 | 유기전계 발광소자 및 이의 제조 방법 |
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JP2018110099A (ja) | 2018-07-12 |
US20180190737A1 (en) | 2018-07-05 |
KR20180078812A (ko) | 2018-07-10 |
EP3343625A1 (en) | 2018-07-04 |
TW201839973A (zh) | 2018-11-01 |
CN108269828A (zh) | 2018-07-10 |
US10361257B2 (en) | 2019-07-23 |
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