JP6451016B2 - タンデム型の白色有機発光素子 - Google Patents
タンデム型の白色有機発光素子 Download PDFInfo
- Publication number
- JP6451016B2 JP6451016B2 JP2016530932A JP2016530932A JP6451016B2 JP 6451016 B2 JP6451016 B2 JP 6451016B2 JP 2016530932 A JP2016530932 A JP 2016530932A JP 2016530932 A JP2016530932 A JP 2016530932A JP 6451016 B2 JP6451016 B2 JP 6451016B2
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- JP
- Japan
- Prior art keywords
- layer
- light emitting
- organic light
- metal layer
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
-
- 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
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
- H10K50/131—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit with spacer layers between the electroluminescent 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]
- H10K50/19—Tandem OLEDs
-
- 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
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
-
- 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
-
- 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
- H10K2102/351—Thickness
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Description
Claims (5)
- ベース基板;
前記ベース基板上に形成される第1の電極;
前記第1の電極と対向するように形成され、前記第1の電極と共に微小空洞を形成する、第2の電極;
前記第1の電極と前記第2の電極との間に形成される少なくとも二つ以上の有機発光層;及び
互いに隣り合う前記有機発光層の間に形成される電荷生成層;
を含み、
前記電荷生成層は、仕事関数(work function)が異なる第1の金属層及び第2の金属層の積層構造からなり、
前記電荷生成層は、前記第1の金属層と前記第2の金属層との間に形成される絶縁層をさらに含み、
前記電荷生成層は、前記第1の金属層と前記第2の金属層との間に形成される半導体層をさらに含み、
前記電荷生成層は、0.1〜50nmの範囲の厚さで形成され、
前記絶縁層は、高分子絶縁層を含むか、あるいはWO x を含み、
前記半導体層は、共役高分子および共役分子のうちのいずれか一つを含むことを特徴とする、
タンデム型の白色有機発光素子。 - 前記第1の金属層は、前記第2の金属層よりも仕事関数が小さい金属からなることを特徴とする、請求項1に記載のタンデム型の白色有機発光素子。
- 前記第1の金属層は、いずれか一つの前記有機発光層の電子層と接し、前記第2の金属層は、隣り合う他の一つの前記有機発光層の正孔層と接することを特徴とする、請求項2に記載のタンデム型の白色有機発光素子。
- 前記第1の金属層は、Li、Cs、Na、Ba、Ca、Mg、及びAlのうちのいずれか一つまたは二つ以上の組み合わせからなることを特徴とする、請求項3に記載のタンデム型の白色有機発光素子。
- 前記第2の金属層は、Au、Ag、Cu、Sn、Ti、及びAlのうちのいずれか一つまたは二つ以上の組み合わせからなることを特徴とする、請求項4に記載のタンデム型の白色有機発光素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130138175A KR101525459B1 (ko) | 2013-11-14 | 2013-11-14 | 탠덤형 백색 유기발광소자 |
KR10-2013-0138175 | 2013-11-14 | ||
PCT/KR2014/010864 WO2015072748A1 (ko) | 2013-11-14 | 2014-11-12 | 탠덤형 백색 유기발광소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016537777A JP2016537777A (ja) | 2016-12-01 |
JP6451016B2 true JP6451016B2 (ja) | 2019-01-16 |
Family
ID=53057628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016530932A Expired - Fee Related JP6451016B2 (ja) | 2013-11-14 | 2014-11-12 | タンデム型の白色有機発光素子 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160285025A1 (ja) |
JP (1) | JP6451016B2 (ja) |
KR (1) | KR101525459B1 (ja) |
CN (1) | CN105723538B (ja) |
WO (1) | WO2015072748A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102642369B1 (ko) | 2016-03-25 | 2024-03-05 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 유기 발광 표시 장치의 제조 방법 |
KR102518836B1 (ko) * | 2016-11-29 | 2023-04-06 | 엘지디스플레이 주식회사 | 발광 특성이 개선된 발광다이오드 및 유기발광다이오드 표시장치 |
CN107425129B (zh) * | 2017-07-26 | 2019-12-06 | 上海天马有机发光显示技术有限公司 | 一种有机发光显示面板、其色温调节方法及显示装置 |
KR102522288B1 (ko) * | 2018-03-13 | 2023-04-19 | 삼성디스플레이 주식회사 | 유기 발광 소자 및 이에 포함되는 전하생성층용 화합물 |
CN117042491A (zh) | 2019-10-17 | 2023-11-10 | 北京夏禾科技有限公司 | 一种有机电致发光器件 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045178A (en) * | 1975-11-08 | 1977-08-30 | Matsushita Electric Industrial Co., Ltd. | Reducing gas sensor |
US6337492B1 (en) * | 1997-07-11 | 2002-01-08 | Emagin Corporation | Serially-connected organic light emitting diode stack having conductors sandwiching each light emitting layer |
US7273663B2 (en) * | 2004-08-20 | 2007-09-25 | Eastman Kodak Company | White OLED having multiple white electroluminescence units |
US7494722B2 (en) * | 2005-02-23 | 2009-02-24 | Eastman Kodak Company | Tandem OLED having an organic intermediate connector |
KR101407574B1 (ko) * | 2007-01-12 | 2014-06-17 | 삼성디스플레이 주식회사 | 백색 유기 발광 소자 |
US8372526B2 (en) * | 2008-07-16 | 2013-02-12 | Universal Display Corporation | Intermediate connector for stacked organic light emitting devices |
JP5476061B2 (ja) * | 2008-07-30 | 2014-04-23 | パナソニック株式会社 | 有機エレクトロルミネッセンス素子及びその製造方法 |
KR20100054252A (ko) * | 2008-11-14 | 2010-05-25 | 엘지디스플레이 주식회사 | 유기발광 다이오드 |
KR101365824B1 (ko) * | 2010-10-22 | 2014-02-20 | 엘지디스플레이 주식회사 | 유기전계발광소자 |
KR101777123B1 (ko) * | 2010-12-22 | 2017-09-11 | 엘지디스플레이 주식회사 | 백색 유기 발광 소자 |
KR101715857B1 (ko) * | 2010-12-24 | 2017-03-13 | 엘지디스플레이 주식회사 | 백색 유기 발광 소자 |
KR101786880B1 (ko) * | 2010-12-29 | 2017-10-19 | 엘지디스플레이 주식회사 | 백색 유기 발광 소자 |
KR20130032675A (ko) * | 2011-09-23 | 2013-04-02 | 삼성디스플레이 주식회사 | 듀얼 모드 유기발광소자 및 이를 포함하는 화소 회로 |
CN103137876B (zh) * | 2011-11-22 | 2016-01-13 | 海洋王照明科技股份有限公司 | 有机电致发光装置及其制备方法 |
KR101429924B1 (ko) * | 2011-12-08 | 2014-08-14 | 엘지디스플레이 주식회사 | 탠덤형 백색 유기 발광 소자 |
-
2013
- 2013-11-14 KR KR1020130138175A patent/KR101525459B1/ko active IP Right Grant
-
2014
- 2014-11-12 WO PCT/KR2014/010864 patent/WO2015072748A1/ko active Application Filing
- 2014-11-12 US US15/036,322 patent/US20160285025A1/en not_active Abandoned
- 2014-11-12 CN CN201480062562.7A patent/CN105723538B/zh not_active Expired - Fee Related
- 2014-11-12 JP JP2016530932A patent/JP6451016B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2015072748A1 (ko) | 2015-05-21 |
KR101525459B1 (ko) | 2015-06-03 |
JP2016537777A (ja) | 2016-12-01 |
CN105723538B (zh) | 2018-06-12 |
CN105723538A (zh) | 2016-06-29 |
US20160285025A1 (en) | 2016-09-29 |
KR20150055784A (ko) | 2015-05-22 |
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