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  1. Article

    Open Access

    Green phosphorescent organic light-emitting diode exhibiting highest external quantum efficiency with ultra-thin undoped emission layer

    In this study, we report highly efficient green phosphorescent organic light-emitting diodes (OLEDs) with ultra-thin emission layers (EMLs). We use tris[2-phenylpyridinato-C2,N]iridium(III) (Ir(ppy)3), a green ph...

    Shin Woo Kang, Dong-Hyun Baek, Byeong-Kwon Ju, Young Wook Park in Scientific Reports (2021)

  2. Article

    Open Access

    Enhanced light extraction efficiency and viewing angle characteristics of microcavity OLEDs by using a diffusion layer

    The viewing angle characteristics and light extraction efficiency of organic light-emitting diodes (OLEDs) with a micro-cavity structure were enhanced. This was accomplished by inserting a diffusion layer comp...

    Cheol Hwee Park, Shin Woo Kang, Sun-Gyu Jung, Dong Jun Lee in Scientific Reports (2021)