CN113498556A - 发光结构、显示面板和显示装置 - Google Patents

发光结构、显示面板和显示装置 Download PDF

Info

Publication number
CN113498556A
CN113498556A CN202080000054.1A CN202080000054A CN113498556A CN 113498556 A CN113498556 A CN 113498556A CN 202080000054 A CN202080000054 A CN 202080000054A CN 113498556 A CN113498556 A CN 113498556A
Authority
CN
China
Prior art keywords
layer
light
transport layer
electron transport
emitting structure
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.)
Granted
Application number
CN202080000054.1A
Other languages
English (en)
Other versions
CN113498556B (zh
Inventor
陈磊
许正印
贾聪聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group 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 BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of CN113498556A publication Critical patent/CN113498556A/zh
Application granted granted Critical
Publication of CN113498556B publication Critical patent/CN113498556B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

一种发光结构、显示面板和显示装置。该发光结构包括：发光层；空穴阻挡层，与所述发光层层叠设置；第一电子传输层，位于所述空穴阻挡层远离所述发光层的一侧；以及第二电子传输层，位于所述空穴阻挡层与所述第一电子传输层之间，所述第一电子传输层包括碱金属化合物，所述第二电子传输层中所述碱金属化合物的摩尔浓度小于所述第一电子传输层中所述碱金属化合物的摩尔浓度的1/100。该发光结构可在不提高驱动电压的前提下缓解甚至消除碱金属化合物向发光层扩散的现象，从而可提高发光结构在高温环境下的使用寿命和稳定性。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN202080000054.1A 2020-01-20 2020-01-20 发光结构、显示面板和显示装置 Active CN113498556B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/073278 WO2021146853A1 (zh) 2020-01-20 2020-01-20 发光结构、显示面板和显示装置

Publications (2)

Publication Number Publication Date
CN113498556A true CN113498556A (zh) 2021-10-12
CN113498556B CN113498556B (zh) 2023-06-16

Family

ID=76991633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080000054.1A Active CN113498556B (zh) 2020-01-20 2020-01-20 发光结构、显示面板和显示装置

Country Status (2)

Country Link
CN (1) CN113498556B (zh)
WO (1) WO2021146853A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230023123A (ko) * 2021-08-09 2023-02-17 삼성디스플레이 주식회사 발광 소자 및 이를 포함하는 전자 장치

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104218178A (zh) * 2013-05-30 2014-12-17 海洋王照明科技股份有限公司 一种有机电致发光器件及其制备方法
KR20150080335A (ko) * 2013-12-31 2015-07-09 엘지디스플레이 주식회사 유기전계발광표시장치
CN104934544A (zh) * 2014-03-21 2015-09-23 海洋王照明科技股份有限公司 有机电致发光器件及其制备方法
KR20160040352A (ko) * 2014-10-02 2016-04-14 엘지디스플레이 주식회사 유기발광표시장치 및 그 제조방법
CN108550614A (zh) * 2018-05-31 2018-09-18 上海天马有机发光显示技术有限公司 有机发光显示面板及其显示装置
US20190280056A1 (en) * 2018-03-07 2019-09-12 Japan Display Inc. Display device
CN110492017A (zh) * 2019-08-01 2019-11-22 武汉华星光电半导体显示技术有限公司 一种电致发光器件
CN110660924A (zh) * 2019-09-30 2020-01-07 昆山国显光电有限公司 一种显示面板和显示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101657222B1 (ko) * 2010-05-14 2016-09-19 삼성디스플레이 주식회사 유기 발광 소자
CN104064677A (zh) * 2013-03-21 2014-09-24 海洋王照明科技股份有限公司 有机电致发光器件及其制备方法
CN104064680A (zh) * 2013-03-21 2014-09-24 海洋王照明科技股份有限公司 有机电致发光器件及其制备方法
CN106784355B (zh) * 2016-12-29 2019-10-18 深圳市华星光电技术有限公司 叠层有机电致发光器件
EP3425692B1 (en) * 2017-07-07 2023-04-05 Novaled GmbH Organic electroluminescent device comprising an electron injection layer with zero-valent metal
CN107579159B (zh) * 2017-08-01 2019-09-24 上海天马有机发光显示技术有限公司 一种有机发光二极管、显示面板及显示装置
CN108470840B (zh) * 2018-05-31 2020-03-17 上海天马有机发光显示技术有限公司 有机发光显示面板及显示装置
CN108539034B (zh) * 2018-05-31 2020-10-30 上海天马有机发光显示技术有限公司 有机发光显示面板和有机发光显示装置
CN108767130B (zh) * 2018-05-31 2020-05-05 上海天马有机发光显示技术有限公司 有机发光显示面板及其显示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104218178A (zh) * 2013-05-30 2014-12-17 海洋王照明科技股份有限公司 一种有机电致发光器件及其制备方法
KR20150080335A (ko) * 2013-12-31 2015-07-09 엘지디스플레이 주식회사 유기전계발광표시장치
CN104934544A (zh) * 2014-03-21 2015-09-23 海洋王照明科技股份有限公司 有机电致发光器件及其制备方法
KR20160040352A (ko) * 2014-10-02 2016-04-14 엘지디스플레이 주식회사 유기발광표시장치 및 그 제조방법
US20190280056A1 (en) * 2018-03-07 2019-09-12 Japan Display Inc. Display device
CN108550614A (zh) * 2018-05-31 2018-09-18 上海天马有机发光显示技术有限公司 有机发光显示面板及其显示装置
CN110492017A (zh) * 2019-08-01 2019-11-22 武汉华星光电半导体显示技术有限公司 一种电致发光器件
CN110660924A (zh) * 2019-09-30 2020-01-07 昆山国显光电有限公司 一种显示面板和显示装置

Also Published As

Publication number Publication date
WO2021146853A1 (zh) 2021-07-29
CN113498556B (zh) 2023-06-16

Similar Documents

Publication Publication Date Title
US11393997B2 (en) Light-emitting element, light-emitting device, electronic device, and lighting device
JP5698135B2 (ja) 白色燐光有機発光装置
US9263693B2 (en) Light-emitting element, light-emitting device, electronic device, and lighting device
US8841655B2 (en) Organic electroluminescence element, manufacturing method thereof, and organic electroluminescence display device
US9299944B2 (en) Light-emitting element, light-emitting device, electronic device, and lighting device
CN115719570A (zh) 显示装置及电子装置
TWI745740B (zh) 發光元件、發光裝置、電子裝置以及照明設備
EP3690972A1 (en) Extended oled operational lifetime through phosphorescent dopant profile management
JP7381286B2 (ja) 深いｈｏｍｏ（最高被占分子軌道）発光体デバイス構造
TWI507078B (zh) 具有外部微腔之有機發光裝置
JP2016039151A (ja) 発光素子、発光装置、電子機器、及び照明装置
US20120235131A1 (en) Organic electroluminescence element, manufacturing method thereof, and organic electroluminescence display device
CN108352455A (zh) 发光元件及其制造方法以及发光方法
US9859518B2 (en) Organic light-emitting device
US11825687B2 (en) Organic light emitting device
Liu et al. Highly efficient white organic light-emitting devices consisting of undoped ultrathin yellow phosphorescent layer
KR102389148B1 (ko) 유기 발광 소자
US20190036058A1 (en) Use of singlet-triplet gap hosts for increasing stability of blue phosphorescent emission
JP2018014404A (ja) 発光素子、表示装置および電子機器
CN113498556B (zh) 发光结构、显示面板和显示装置
KR20140055002A (ko) 유기 전계 발광 소자
Ye et al. Solution processed single-emissive-layer white organic light-emitting diodes based on fluorene host: Balanced consideration for color quality and electroluminescent efficiency
CN114975802B (zh) 发光器件、发光基板和发光装置
Chen et al. Novel scattering and color converting substrates for simple-structured white organic light-emitting diodes
KR102175791B1 (ko) 유기 화합물 및 이를 포함하는 유기전계발광소자

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant