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公开(公告)号：EP4266393A1
公开(公告)日：2023-10-25
申请号：EP21906713.9
申请日：2021-12-17
发明人： KUWADA, Kenji , MORII, Katsuyuki , HASEGAWA, Munehiro , SASAKI, Tsubasa , FUKAGAWA, Hirohiko , OONO, Taku , SHIMIZU, Takahisa
摘要： The present invention aims to provide a less expensive flexible organic electroluminescence device having higher characteristics. In particular, the present invention aims to solve at least one of an issue of low-voltage driving and improvement of operational lifetime or an issue of providing an organic electroluminescence device that can exhibit good luminescence and has excellent stability in the atmosphere. The present invention relates to the organic electroluminescence device at least including: a pair of electrodes; and an organic layer between the electrodes, the organic electroluminescence device comprising a metal electron injection layer on the cathode and an organic electron injection layer on the metal electron injection layer, the metal electron injection layer containing a metal species and the organic electron injection layer containing an organic material, being capable of coordination with the metal species.
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2.发明公开
公开(公告)号：EP3871735A1
公开(公告)日：2021-09-01
申请号：EP19877392.1
申请日：2019-08-20
发明人： GOYA, Tsuyoshi , KUWADA, Kenji , MORII, Katsuyuki
摘要： The present invention provides a light cosmetology or light therapy light-emitting sheet having excellent conformability to the skin and excellent wearing feeling. The present invention relates to a light cosmetology or light therapy organic electroluminescence sheet used in light cosmetology or light therapy application, the organic electroluminescence sheet including an organic electroluminescence device having a structure in which multiple layers are laminated on a sheet-like flexible substrate and having a thickness of 10 to 100 µm.
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