WO2009041690A1 - 白色発光素子 - Google Patents

白色発光素子 Download PDF

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Publication number
WO2009041690A1
WO2009041690A1 PCT/JP2008/067670 JP2008067670W WO2009041690A1 WO 2009041690 A1 WO2009041690 A1 WO 2009041690A1 JP 2008067670 W JP2008067670 W JP 2008067670W WO 2009041690 A1 WO2009041690 A1 WO 2009041690A1
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
white color
oppositely arranged
emitting layer
color light
Prior art date
Application number
PCT/JP2008/067670
Other languages
English (en)
French (fr)
Inventor
Shigehiro Ueno
Original Assignee
Dai Nippon Printing Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co., Ltd. filed Critical Dai Nippon Printing Co., Ltd.
Priority to GB1005106A priority Critical patent/GB2465730A/en
Priority to CN200880109644A priority patent/CN101810053A/zh
Priority to US12/680,058 priority patent/US20100244062A1/en
Publication of WO2009041690A1 publication Critical patent/WO2009041690A1/ja

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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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
    • C09K11/562—Chalcogenides
    • C09K11/565—Chalcogenides with zinc cadmium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
    • C09K11/881—Chalcogenides
    • C09K11/883—Chalcogenides with zinc or cadmium
    • 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
    • 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
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • 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
    • H05B33/24—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers
    • 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
    • H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
    • 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
    • H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • H10K2102/331—Nanoparticles used in non-emissive layers, e.g. in packaging layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

　本発明は、色純度のよい白色光を発生させることができる長寿命の白色発光素子を提供する。本発明は、対向する電極３，４と、ＥＬ発光する有機材料及び／又は無機ナノ粒子を有する発光層Ａと、ＰＬ発光する無機ナノ粒子を有する発光層Ｂと、発光層Ａで発生した光を素子内部で共振させる対向する反射層５，６とを有し、発光層Ａで発生した光と発光層Ｂで発生した光によって白色光が形成される白色発光素子であって、前記対向する電極３，４のうち、一方の電極又はその電極に隣接する層が、全反射機能を有し且つ前記反射層の一方の層として形成され、他方の電極又は該電極に隣接する層が、半透明反射機能を有し且つ前記反射層の他方の層として形成されているように構成して、上記課題を解決した。
PCT/JP2008/067670 2007-09-28 2008-09-29 白色発光素子 WO2009041690A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1005106A GB2465730A (en) 2007-09-28 2008-09-29 White color light emitting device
CN200880109644A CN101810053A (zh) 2007-09-28 2008-09-29 白色发光元件
US12/680,058 US20100244062A1 (en) 2007-09-28 2008-09-29 White light emitting element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-256876 2007-09-28
JP2007256876A JP5176459B2 (ja) 2007-09-28 2007-09-28 白色発光素子

Publications (1)

Publication Number Publication Date
WO2009041690A1 true WO2009041690A1 (ja) 2009-04-02

Family

ID=40511568

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067670 WO2009041690A1 (ja) 2007-09-28 2008-09-29 白色発光素子

Country Status (6)

Country Link
US (1) US20100244062A1 (ja)
JP (1) JP5176459B2 (ja)
KR (1) KR20100081978A (ja)
CN (1) CN101810053A (ja)
GB (1) GB2465730A (ja)
WO (1) WO2009041690A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10510801B2 (en) 2014-10-03 2019-12-17 Japan Display Inc. Image display device with quantum dot
WO2022059204A1 (ja) * 2020-09-18 2022-03-24 シャープ株式会社 発光素子

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US8456082B2 (en) * 2008-12-01 2013-06-04 Ifire Ip Corporation Surface-emission light source with uniform illumination
KR101652789B1 (ko) * 2009-02-23 2016-09-01 삼성전자주식회사 다중 양자점층을 가지는 양자점 발광소자
FR2957718B1 (fr) 2010-03-16 2012-04-20 Commissariat Energie Atomique Diode electroluminescente hybride a rendement eleve
KR101137392B1 (ko) * 2010-03-31 2012-04-20 삼성모바일디스플레이주식회사 유기 발광 표시 장치
JP6157804B2 (ja) * 2011-04-29 2017-07-05 株式会社半導体エネルギー研究所 発光素子
KR20120139386A (ko) * 2011-06-17 2012-12-27 삼성디스플레이 주식회사 유기 발광 표시 장치
DE102011079063A1 (de) * 2011-07-13 2013-01-17 Osram Opto Semiconductors Gmbh Lichtemittierendes Bauelement und Verfahren zum Herstellen eines lichtemittierenden Bauelements
KR101879274B1 (ko) 2012-01-09 2018-08-20 삼성디스플레이 주식회사 저온 증착 장치
CN102610631B (zh) * 2012-03-29 2015-06-17 信利半导体有限公司 一种表面颜色可调节的oled显示装置及其制作方法
US9711748B2 (en) 2012-08-29 2017-07-18 Boe Technology Group Co., Ltd. OLED devices with internal outcoupling
JP6127436B2 (ja) * 2012-10-10 2017-05-17 コニカミノルタ株式会社 白色エレクトロルミネッセンスデバイス及び白色エレクトロルミネッセンスデバイスの製造方法
JP6225912B2 (ja) * 2012-10-10 2017-11-08 コニカミノルタ株式会社 エレクトロルミネッセンス素子
TWI483902B (zh) * 2013-04-03 2015-05-11 國立臺灣大學 製作參雜金屬離子之硫化鋅奈米粒子的方法以及應用其進行光致發暖白光的方法
CN105143933A (zh) * 2013-04-25 2015-12-09 东友精细化工有限公司 光学层叠体
CN103681768B (zh) * 2013-12-20 2017-01-11 合肥京东方光电科技有限公司 Oled显示器件及其制备方法、oled显示装置
TWI580031B (zh) * 2013-12-26 2017-04-21 鴻海精密工業股份有限公司 顏色轉換層、有機電致發光顯示面板及液晶顯示面板
CN103730584A (zh) * 2013-12-27 2014-04-16 北京京东方光电科技有限公司 一种显示面板及显示装置
JP2017037121A (ja) * 2015-08-07 2017-02-16 シャープ株式会社 色変換基板および表示装置
CN105185920A (zh) * 2015-09-23 2015-12-23 深圳市华星光电技术有限公司 发光器件
CN105304798A (zh) * 2015-09-23 2016-02-03 深圳市华星光电技术有限公司 发光器件
US9780320B2 (en) 2015-09-23 2017-10-03 Shenzhen China Star Optoelectronics Technology Co., Ltd Light emitting device
SG11201810474SA (en) 2016-05-27 2018-12-28 3M Innovative Properties Co Oled display with improved color uniformity
JP6947472B2 (ja) * 2016-07-01 2021-10-13 大日本印刷株式会社 表示装置、及び表示装置の光学フィルムの選定方法
US11594698B2 (en) 2016-08-23 2023-02-28 Samsung Electronics Co., Ltd. Electric device and display device comprising quantum dots with improved luminous efficiency
KR102649300B1 (ko) * 2016-08-23 2024-03-18 삼성전자주식회사 전자 소자, 및 이를 포함하는 표시 장치
KR102472520B1 (ko) * 2017-03-09 2022-12-01 삼성디스플레이 주식회사 발광 표시 장치
JP7224796B2 (ja) * 2018-07-03 2023-02-20 キヤノン株式会社 白色有機発光素子
JP7174902B2 (ja) * 2018-08-10 2022-11-18 株式会社小糸製作所 車輌用灯具
KR102664401B1 (ko) 2019-01-28 2024-05-08 삼성전자주식회사 발광 소자 및 이를 포함하는 디스플레이 장치
US20200243616A1 (en) * 2019-01-29 2020-07-30 Sharp Kabushiki Kaisha Cadmium-free quantum dot led with improved emission color
US11903232B2 (en) 2019-03-07 2024-02-13 Semiconductor Energy Laboratory Co., Ltd. Light-emitting device comprising charge-generation layer between light-emitting units
CN111864086A (zh) * 2019-04-26 2020-10-30 京东方科技集团股份有限公司 发光结构、显示面板和显示装置
JP7470360B2 (ja) * 2019-06-13 2024-04-18 株式会社S-Nanotech Co-Creation 発光素子、ディスプレイ、照明装置
CN114730847A (zh) * 2020-09-17 2022-07-08 京东方科技集团股份有限公司 有机发光二极管和制备有机发光二极管的方法、显示装置及照明装置
US20230337450A1 (en) * 2020-10-29 2023-10-19 Sharp Kabushiki Kaisha Light-emitting element and light-emitting device
WO2024084572A1 (ja) * 2022-10-18 2024-04-25 シャープディスプレイテクノロジー株式会社 発光素子、表示装置及び発光層の形成方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10510801B2 (en) 2014-10-03 2019-12-17 Japan Display Inc. Image display device with quantum dot
WO2022059204A1 (ja) * 2020-09-18 2022-03-24 シャープ株式会社 発光素子

Also Published As

Publication number Publication date
KR20100081978A (ko) 2010-07-15
US20100244062A1 (en) 2010-09-30
CN101810053A (zh) 2010-08-18
GB2465730A (en) 2010-06-02
JP2009087784A (ja) 2009-04-23
GB201005106D0 (en) 2010-05-12
JP5176459B2 (ja) 2013-04-03

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