申请人:Ciba Specialty Chemicals Corp.
公开号:US06258954B1
公开(公告)日:2001-07-10
The present invention relates to compounds of formula I
provided that R1 and R2 not simultaneously stand for phenyl, the use thereof in, for example, electroluminescent devices and as void detection compounds.
本发明涉及式I的化合物,其中R1和R2不能同时代表苯基,其用途包括在电致发光器件中以及作为空隙检测化合物。