发明授权
EP1970376B1 Imidazopyrimidine-based compound and organic light-emitting device employing organic layer including the same 有权
Imidazopyridinbasis化合物和有机发光装置具有含有该化合物来Imidazopyridinbasis有机层

Imidazopyrimidine-based compound and organic light-emitting device employing organic layer including the same
信息查询
0/0