An organic light emitting device (OLED) comprising:
an anode; a cathode; and an emissive layer, disposed between the anode and the cathode, comprising a host and an emitter; wherein the host is a donor-acceptor type molecule; wherein the donor comprises a carbazole building block; and
wherein the acceptor comprises an aza-dibenzothiophene or aza-dibenzofuran building block.
一种有机发光器件(OLED),包括
一个阳极;一个阴极;以及一个发射层,置于阳极和阴极之间,包括一个宿主和一个发射器;其中宿主是一个供体-受体型分子;其中供体包括一个
咔唑结构单元;以及
其中受体包括偶氮
二苯并噻吩或偶氮
二苯并呋喃结构单元。