m-Phenylenediamine compound and electrophotosensitive material using said compound
申请人:MITA INDUSTRIAL CO. LTD.
公开号:EP0455247A2
公开(公告)日:1991-11-06
The present invention provides a m-phenylenediamine compound of the following general formula (I), (II) or (III). This compound is excellent in photostability. Accordingly, when this compound is contained in a photosensitive layer as an electric charge transferring material, there may be obtained an eletrophotosensitive material excellent in photostability.
wherein R¹, R², R³, R⁴, R⁵, R⁶, R⁷, R⁸, R⁹, l, m, o, p, q, r and s are as defined above.
本发明提供了一种通式为(I)、(II)或(III)的间苯二胺化合物。 这种化合物具有优异的光稳定性。 因此,当这种化合物作为电荷转移材料被包含在感光层中时,可以获得一种光稳定性极佳的电致发光材料。
其中 R¹、R²、R³、R⁴、R⁵、R⁶、R⁷、R⁸、R⁹、l、m、o、p、q、r 和 s 如上定义。