JP4555363B2 - 有機電界発光表示装置 - Google Patents
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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
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- 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
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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
- H10K59/17—Passive-matrix OLED displays
- H10K59/173—Passive-matrix OLED displays comprising banks or shadow masks
-
- 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
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8723—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/18—Deposition of organic active material using non-liquid printing techniques, e.g. thermal transfer printing from a donor sheet
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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
- H10K59/80—Constructional details
- H10K59/88—Dummy elements, i.e. elements having non-functional features
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- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
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Description
100 走査駆動部
200 データ駆動部
300 有機電界発光表示パネル
301 画素回路
302 画素部
302a メイン画素部
302b ダミー画素部
303 非画素部
304 スペーサー生成部
310 下部基板
320 アノード電極
330 画素定義層
340 スペーサー
341 上面
342 下面
343 第1側面
344 第2側面
345 分離領域
350 有機薄膜層
360 カソード電極
370 高精細マスク
371 スリット
Claims (22)
- 複数の行と列を有して配列された発光層と、
前記各発光層の外周縁に形成された画素定義層と、
前記画素定義層上に上部方向に突出され、奇数番目の行方向に配列された奇数発光層と偶数番目の行方向に配列された偶数発光層との間に形成されていると同時に、複数の分離領域を有して行方向に配列された奇数スペーサーと、
前記画素定義層上に上部方向に突出され、前記偶数発光層と次の行に配列された奇数発光層との間に形成されていると同時に、複数の分離領域を有して行方向に配列された偶数スペーサーとを含み、
前記奇数スペーサーの分離領域と前記偶数スペーサーの分離領域はお互いに異なる列に形成されていることを特徴とする有機電界発光表示装置。 - 前記奇数スペーサーの分離領域と前記偶数スペーサーの分離領域は、幅が同一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表示装置。
- 前記分離領域は、幅が前記奇数スペーサーと前記偶数スペーサーの長さより短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、縦の長さが前記偶数発光層と前記奇数発光層の離隔距離より短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの下面の縦の長さが前記偶数発光層と前記奇数発光層の離隔距離より短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの下面の縦の長さが前記奇数スペーサーと前記偶数スペーサーそれぞれの上面の縦の長さよりも長いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの横の長さが一つの発光層の横の長さより長く、四つの発光層の横の長さよりは短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの下面の横の長さが一つの発光層の横の長さより長く、四つの発光層の横の長さよりは短いことを特徴とする請求項7に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの下面の横の長さがそれぞれの上面の横の長さよりも長いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの横の長さが一つの発光層の横の長さより長く、二つの発光層の横の長さよりは短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの横の長さが二つの発光層の横の長さより長く、三つの発光層の横の長さよりは短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーは、それぞれの横の長さが三つの発光層の横の長さより長く、四つの発光層の横の長さよりは短いことを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーには、前記画素定義層に密着される下面と、前記下面の反対面である上面と、前記下面及び前記上面を傾くように連結する側面とが形成されていることを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記奇数スペーサーと前記偶数スペーサーにおいて、前記下面と前記側面との間の傾斜角度が30゜ないし60゜であることを特徴とする請求項13に記載の有機電界発光表示装置。
- 前記発光層は、映像を表示するメイン画素部と、前記メイン画素部の外周縁に形成されて映像を表示しないダミー画素部からなり、前記奇数スペーサーと前記偶数スペーサーは前記メイン画素部のみでなく前記ダミー画素部にも形成されることを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記発光層の外周縁には、発光層が形成されない非画素部が形成され、前記奇数スペーサーと前記偶数スペーサーは前記非画素部にも形成されることを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記発光層が形成された領域は、発光領域であり、前記画素定義層とスペーサーが形成された領域は非発光領域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表示装置。
- 前記発光層は、映像を表示するメイン画素部と前記メイン画素部の外周縁に形成されて映像を表示しないダミー画素部からなり、前記発光層の外周縁には発光層が形成されない非画素部が形成され、前記奇数スペーサーと前記偶数スペーサーは前記メイン画素部のみでなくダミー画素部と非画素部にも形成され、有機電界発光表示装置の外部衝撃に対する耐性が増加して前記発光領域を保護することを特徴とする請求項1に記載の有機電界発光表示装置。
- 前記画素定義層、前記奇数スペーサー及び前記偶数スペーサーが形成された領域は、非発光領域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表示装置。
- 前記発光層の下部の前記発光層に対応する領域に形成されたアノード電極と、
前記発光層、前記画素定義層、奇数スペーサー及び偶数スペーサーの上部に形成されたカソード電極及び、
前記画素定義層の下部の前記画素定義層に対応する領域に形成された画素回路をさらに含むことを特徴とする請求項1に記載の有機電界発光表示装置。 - 前記アノード電極と前記発光層との間に形成され、前記画素定義層、奇数スペーサー及び偶数スペーサーの上部に形成された正孔注入層及び、
前記正孔注入層の上部に形成される正孔輸送層をさらに含むことを特徴とする請求項20に記載の有機電界発光表示装置。 - 前記発光層に対応する領域において、前記発光層の上部に形成され、前記発光層に対応する領域以外の領域では、前記正孔輸送層の上部に形成される電子輸送層及び、
前記電子輸送層と前記カソード電極との間に形成される電子注入層をさらに含むことを特徴とする請求項21に記載の有機電界発光表示装置。
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KR1020070078157A KR100833775B1 (ko) | 2007-08-03 | 2007-08-03 | 유기 전계 발광 표시 장치 |
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JP4555363B2 true JP4555363B2 (ja) | 2010-09-29 |
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US (1) | US8049409B2 (ja) |
EP (1) | EP2020685A3 (ja) |
JP (1) | JP4555363B2 (ja) |
KR (1) | KR100833775B1 (ja) |
CN (1) | CN101359679B (ja) |
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EP2020685A3 (en) | 2013-06-05 |
JP2009038007A (ja) | 2009-02-19 |
US8049409B2 (en) | 2011-11-01 |
EP2020685A2 (en) | 2009-02-04 |
US20090033598A1 (en) | 2009-02-05 |
CN101359679A (zh) | 2009-02-04 |
KR100833775B1 (ko) | 2008-05-29 |
CN101359679B (zh) | 2010-09-29 |
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