申请人:UNIVERSAL DISPLAY CORPORATION
公开号:US20140145149A1
公开(公告)日:2014-05-29
Novel organic compounds containing an imidazole core and electron donor and acceptor fragments are provided. By selection of the disclosed donor and acceptor groups, compounds exhibiting small singlet-triplet gaps are obtained. These compounds are useful in OLED devices as host materials or as delayed fluorescent emitters.