Phenanthrene analogues with internalized B-N moieties were found to afford blue light emission with good quantum efficiencies, whereas the isomeric species with peripheral B-N moieties displayed only UV emission behavior, like the all-carbon framework.
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
申请人:Samsung Display Co., LTD.
公开号:US11805695B2
公开(公告)日:2023-10-31
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.