| 초록 |
A series of 1,5-Diaza-bicyclo[3.3.1]nonane derivatives with naphthalen-anthracene substituents at meta or ortho position of phenyl rings were synthesized: Na-m-14 and Na-o-15. Two compounds were used as non-doped emitting layers (EMLs) in OLEDs with following structure: ITO / 2-TNATA (60nm) / NPB (15 nm) / EML (35 nm) / Alq3 (20 nm) / LiF / Al. The luminance efficiency of the synthesized compound at 10mA/cm2 were measured 2.16cd/A for Na-m-14 and 2.83cd/A for Na-o-15. Moreover, the power efficiency were measured 0.89lm/W, 1.25lm/W respectively. The device, using the naphthalen-anthracene substituted material at ortho position, showed the better performance. |
