An organic electroluminescent (EL) device having improved emission efficiency and emission lifetime. An embodiment of the organic EL device of the present disclosure includes a plurality of hole transport layers between an anode and an emission layer. The plurality of the hole transport layers may include an anode-side hole transport layer, a middle hole transport layer, and an emission layer-side hole transport layer. The emission layer-side hole transport layer may include an emission layer-side hole transport material represented by the following Formula 1:


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Organic electroluminescent device


    Beteiligte:
    SUGANUMA NAOTOSHI (Autor:in) / ITOI HIROAKI (Autor:in) / UENO MASATSUGU (Autor:in)

    Erscheinungsdatum :

    28.09.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H10K



    ORGANIC ELECTROLUMINESCENT DEVICE

    LI HONGBO / LI FENG / WANG ZHENG et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    ORGANIC ELECTROLUMINESCENT ELEMENT

    FUJITA YOSHIMASA / SATO JURI / ITOI HIROAKI | Europäisches Patentamt | 2017

    Freier Zugriff

    Organic single-quantum-well electroluminescent device

    HUANG, J. / XIE, Z. / YANG, K. et al. | British Library Online Contents | 2000


    Organic luminescent material, organic electroluminescent element and display device

    LIU XINGHUA / ZHANG XIAOJIN / SUN HAIYAN | Europäisches Patentamt | 2024

    Freier Zugriff

    Organic electroluminescent device and display including the same

    OH EONSEOK / KIM SANGYEOL / KIM JUNGYEON et al. | Europäisches Patentamt | 2019

    Freier Zugriff