Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same
申请人:Samsung Display Co., Ltd.
公开号:US10211406B2
公开(公告)日:2019-02-19
Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
提供了一种有机发光器件,包括:基板;第一电极;第二电极;以及夹在第一电极和第二电极之间并包括发射层的有机层,其中第一电极和第二电极中的一个是反射电极,另一个是半透明或透明电极,有机层包括具有至少一个咔唑基团的化合物层,以及包括该有机发光器件的平板显示器件。该有机发光器件具有低驱动电压、优异的电流密度、高亮度、优异的色纯度、高效率和长寿命。