申请人:TDK Corporation
公开号:EP2262025A2
公开(公告)日:2010-12-15
In an organic EL device comprising organic layers between a pair of electrodes participating in at least a light emitting function, at least one organic layer contains an organic compound selected from naphthacene, tetraaryldiamine, anthracene and quinoxaline derivatives as a host material and an organic compound having a specific skeleton, typically diindeno[1,2,3-cd:1',2',3'-1m]perylene derivative as a dopant. The device is capable of light emission to a satisfactory luminance, especially in a long wavelength region, and with a chromatic purity sufficient for use in full color displays, and had a sufficient durability to sustain such improved light emission performance over a long time.
在一种有机电致发光器件中,在一对电极之间包含至少具有发光功能的有机层,其中至少一个有机层含有选自萘烷、四芳基二胺、蒽和喹喔啉衍生物的有机化合物作为宿主材料,以及具有特定骨架的有机化合物作为掺杂剂,典型的是二茚并[1,2,3-cd:1',2',3'-1m]苝衍生物。该器件能够以令人满意的亮度(尤其是在长波长区域)发光,其色度纯度足以用于全彩显示屏,并且具有足够的耐用性,能够长期保持这种改进的发光性能。