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    • 5. 发明申请
    • ORGANIC ELECTROLUMINESCENCE DEVICE AND METHOD OF MANUFACTURING THE SAME
    • 有机电致发光器件及其制造方法
    • US20150137104A1
    • 2015-05-21
    • US14567290
    • 2014-12-11
    • Sony Corporation
    • Koji HanawaJiro YamadaTakashi Hirano
    • H01L51/52H01L51/50
    • H01L51/5218C22C5/06C22C5/08H01L51/5012H01L51/5088H01L51/5206H01L51/5221H01L51/5225H01L51/5231H01L51/5234H01L51/5262H01L51/5265H01L2251/301H01L2251/308H01L2251/5315
    • Provided are an organic electroluminescence device capable of enhancing reflectance of an anode, thereby resulting in improved light-emitting efficiency and a method of manufacturing the same. An anode (12), a thin film layer for hole injection (13), an insulating layer (14), an organic layer (15) including a luminescent layer (15C) and a cathode (16) including a semi-transparent electrode (16A) are laminated in order on a substrate (11). The anode (12) comprises silver which is a metal with high reflectance or an alloy including silver, and the thin film layer for hole injection (13) comprises chromium oxide or the like. Light generated in the luminescent layer (15C) is multiply reflected between the anode (12) and the semi-transparent electrode (16A) to be emitted from the cathode (16). As the reflectance of the anode (12) is enhanced, the light generated in the luminescent layer (15C) can be efficiently emitted. An alloy comprised in the anode (12) preferably includes silver, palladium and copper, and a silver content is preferably 50% by mass or over.
    • 提供能够提高阳极反射率的有机电致发光器件,从而提高发光效率及其制造方法。 阳极(12),用于空穴注入的薄膜层(13),绝缘层(14),包括发光层(15C)的有机层(15)和包括半透明电极的阴极(16) 16A)依次层叠在基板(11)上。 阳极(12)包括银,其是具有高反射率的金属或包括银的合金,并且用于空穴注入的薄膜层(13)包括氧化铬等。 在发光层(15C)中产生的光在阳极(12)和半透明电极(16A)之间被反射,从阴极(16)发射。 随着阳极(12)的反射率增强,可以有效地发射在发光层(15C)中产生的光。 包含在阳极(12)中的合金优选包括银,钯和铜,并且银含量优选为50质量%以上。