Thiophene-containing triarylamine compounds are disclosed. The said compounds have a structure of triarylamine, and connect specific thiophene-containing group. The compounds may be used as hole transporting materials, hole injection materials, or the like in an electroluminescent device. Compared to existing hole transporting materials, hole injection materials, the novel compounds can also offer excellent device performance. An electroluminescent device and a formulation comprising the compounds are also disclosed.
A family of phosphorescent emitter compounds containing a carbene ligand L
A
selected from the group consisting of:
is disclosed. These compounds enhance the performance of OLEDs when incorporated therein.
Triphenylene-Benzofuran/Benzothiophene/Benzoselenophene Compounds With Substituents Joining To Form Fused Rings
申请人:Ma Bin
公开号:US20110266526A1
公开(公告)日:2011-11-03
Compounds comprising a triphenylene moiety and a benzo- or dibenzo-moiety are provided. In particular, the benzo- or dibenzo-moiety has a fused substituent. These compounds may be used in organic light emitting devices, particularly in combination with yellow, orange and red emitters, to provide devices with improved properties.
Novel asymmetric host compounds containing an electron-transport moiety, a hole-transport moiety, an aromatic spacer, and a triaryl silane group are provided. These compounds are useful materials that can be incorporated into OLED devices.