申请人:Parham Amir Hossain
公开号:US08859111B2
公开(公告)日:2014-10-14
The present invention relates to 4,4′-substituted spirobifluorenes which are suitable, owing to excellent properties, as functional materials in organic electroluminescent devices. In addition, the present invention relates to a process for the preparation of 4,4′-substituted spirobifluorenes and to the use of these compounds in organic electroluminescent devices.
本发明涉及4,4'-取代的螺环联苯,由于其优良特性,适用于有机电致发光器件中的功能材料。此外,本发明还涉及一种制备4,4'-取代的螺环联苯的方法,并且涉及这些化合物在有机电致发光器件中的使用。