JP6727848B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP6727848B2 JP6727848B2 JP2016036009A JP2016036009A JP6727848B2 JP 6727848 B2 JP6727848 B2 JP 6727848B2 JP 2016036009 A JP2016036009 A JP 2016036009A JP 2016036009 A JP2016036009 A JP 2016036009A JP 6727848 B2 JP6727848 B2 JP 6727848B2
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/351—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
-
- 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]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/852—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- 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
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
-
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
-
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- 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
- H10K59/876—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- 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
- H10K59/877—Arrangements for extracting light from the devices comprising scattering 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
- H10K59/80—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
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Description
Claims (9)
- 白色で発光する白画素と、
有彩色で発光する有彩色画素と、
前記白画素と前記有彩色画素とに設けられている第1反射層と、
前記白画素と前記有彩色画素とに設けられている、前記第1反射層と向き合っている第2反射層と、
前記白画素と前記有彩色画素とに設けられている、前記第1反射層と前記第2反射層との間に形成されている発光層とを有し、
前記第2反射層は半透明反射層であり、
前記発光層からの光は前記第2反射層を透過して取り出され、
第1の色で発光する前記有彩色画素と、第2の色で発光する前記有彩色画素とでは、前記第1反射層と前記第2反射層との間の距離が異なり、
前記白画素のみにおいて、前記第2反射層、及び前記第1反射層と前記第2反射層との間の層のうち少なくとも一つは、前記光を拡散する構造を構成している
ことを特徴とする表示装置。 - 前記白画素は表面に凹凸が形成されている中間層を有し、
前記白画素において前記第2反射層は前記中間層の前記表面に形成されている
ことを特徴とする請求項1に記載される表示装置。 - 前記白画素において前記第2反射層が形成されている前記中間層の前記表面の表面荒さは、前記前記有彩色画素において前記第2反射層が形成されている層の表面粗さよりも高い、
ことを特徴とする請求項2に記載される表示装置。 - 前記中間層の前記表面に形成されている凹凸は0.5μm以上の高さを有している
ことを特徴とする請求項2に記載される表示装置。 - 前記中間層の前記表面に形成されている凹凸は前記第2反射層の厚さよりも大きな高さを有している
ことを特徴とする請求項2に記載される表示装置。 - 前記白画素と前記有彩色画素のそれぞれは、互いに向き合う2つの電極の間に形成され且つ前記発光層を含んでいる有機層を有し、
前記中間層の材料のガラス転移温度は前記有機層を構成している材料のガラス転移温度よりも低い
ことを特徴とする請求項2に記載される表示装置。 - 前記白画素と前記有彩色画素のうち少なくとも前記白画素は、前記第1反射層と前記第2反射層との間に形成されている中間層を有し、
前記中間層は前記白画素において、前記中間層の材料の屈折率とは異なる屈折率を有している材料の粒子を含んでいる
ことを特徴とする請求項1に記載される表示装置。 - 前記粒子の屈折率は前記中間層の材料の屈折率よりも低い
ことを特徴とする請求項7に記載される表示装置。 - 前記白画素は電極を構成している透明導電層と前記第2反射層との間に形成されている中間層を有し、
前記中間層は光を拡散する構造を構成している
ことを特徴とする請求項1に記載される表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016036009A JP6727848B2 (ja) | 2016-02-26 | 2016-02-26 | 表示装置 |
US15/416,237 US9997572B2 (en) | 2016-02-26 | 2017-01-26 | Display device having a light scattering structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016036009A JP6727848B2 (ja) | 2016-02-26 | 2016-02-26 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2017152328A JP2017152328A (ja) | 2017-08-31 |
JP6727848B2 true JP6727848B2 (ja) | 2020-07-22 |
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Application Number | Title | Priority Date | Filing Date |
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JP2016036009A Active JP6727848B2 (ja) | 2016-02-26 | 2016-02-26 | 表示装置 |
Country Status (2)
Country | Link |
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US (1) | US9997572B2 (ja) |
JP (1) | JP6727848B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102436799B1 (ko) * | 2017-08-25 | 2022-08-25 | 엘지디스플레이 주식회사 | 유기발광 다이오드 표시장치 및 그 제조 방법 |
CN107634084B (zh) * | 2017-09-13 | 2020-08-25 | 云谷(固安)科技有限公司 | 顶发射白光oled显示装置 |
JP2019114484A (ja) * | 2017-12-26 | 2019-07-11 | ソニーセミコンダクタソリューションズ株式会社 | 表示素子、及び電子機器 |
US20200135799A1 (en) * | 2018-10-24 | 2020-04-30 | Innolux Corporation | Display device |
CN109461841B (zh) * | 2018-11-02 | 2021-11-09 | 京东方科技集团股份有限公司 | Oled显示基板及其制作方法、显示装置 |
WO2020113458A1 (en) * | 2018-12-05 | 2020-06-11 | Boe Technology Group Co., Ltd. | Light emitting diode and fabrication method thereof, display substrate and display panel |
US11980046B2 (en) * | 2020-05-27 | 2024-05-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for forming an isolation structure having multiple thicknesses to mitigate damage to a display device |
CN112310319B (zh) * | 2020-10-30 | 2023-04-28 | 京东方科技集团股份有限公司 | 显示面板及其制作方法和显示装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7129634B2 (en) * | 2004-04-07 | 2006-10-31 | Eastman Kodak Company | Color OLED with added color gamut pixels |
JP5117326B2 (ja) * | 2008-08-29 | 2013-01-16 | 富士フイルム株式会社 | カラー表示装置及びその製造方法 |
KR20100030985A (ko) * | 2008-09-11 | 2010-03-19 | 삼성전자주식회사 | 유기 발광 표시 장치 |
JP2011022462A (ja) | 2009-07-17 | 2011-02-03 | Sony Corp | 表示装置およびその駆動方法ならびに電子機器 |
KR101108167B1 (ko) | 2010-02-12 | 2012-02-06 | 삼성모바일디스플레이주식회사 | 유기 발광 디스플레이 장치 |
KR101990312B1 (ko) * | 2012-12-31 | 2019-06-18 | 엘지디스플레이 주식회사 | 유기전계발광표시장치 및 그 제조방법 |
KR20160035680A (ko) * | 2014-09-23 | 2016-04-01 | 삼성디스플레이 주식회사 | 회색 컬러필터를 포함하는 표시장치 |
KR102323281B1 (ko) * | 2014-10-31 | 2021-11-05 | 엘지디스플레이 주식회사 | 유기 발광 표시 장치 |
US9859529B2 (en) * | 2014-11-13 | 2018-01-02 | Lg Display Co., Ltd. | Organic light emitting display device |
-
2016
- 2016-02-26 JP JP2016036009A patent/JP6727848B2/ja active Active
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2017
- 2017-01-26 US US15/416,237 patent/US9997572B2/en active Active
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Publication number | Publication date |
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US9997572B2 (en) | 2018-06-12 |
JP2017152328A (ja) | 2017-08-31 |
US20170250233A1 (en) | 2017-08-31 |
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