Electron transporting compounds, electrophotographic layers and elements comprising such compounds
申请人:EASTMAN KODAK COMPANY
(a New Jersey corporation)
公开号:EP0157492A2
公开(公告)日:1985-10-09
An electrophotographic layer comprising an electrically insulating binder and an electron donar additionally comprises, as an electron transporting compound, a 4H-thiopyran-1,1-dioxide having an electron-withdrawing group in the 4-position and a half-wave reduction potential more positive than -0.5 volt as measured against a saturated calomel electrode. Novel compounds useful as the electron transporting compound are provided.
由电绝缘粘合剂和电子捐赠剂组成的电致发光层,作为电子传输化合物,还包括一种4H-噻喃-1,1-二氧化物,该化合物在4位上有一个电子吸收基团,对饱和甘汞电极测量的半波还原电位大于-0.5伏。提供了可用作电子传输化合物的新型化合物。