| abstract |
Disclosed herein is a red phosphorescent compound represented by Formula 1 below: n n n n n n n n n n wherein n n n n n n n n n n is n n n n n n n n n n R1 is selected from the group consisting of C 1 -C 4 alkyl and C 1 -C 4 alkoxy; R2, R3, R4 and R5 are independently selected from the group consisting ofn nhydrogen, C 1 -C 4 alkyl and C 1 -C 4 alkoxy; andn n n n n n n n n n n is selected from the group consisting of 2,4-pentanedione, 2,2,6,6,-tetramethylheptane-3,5-dione, 1,3-propanedione, 1,3-butanedione, 3,5-heptanedione, 1,1,1-trifluoro-2,4-pentanedione, 1,1,1,5,5,5-hexafluoro-2,4-pentanedione and 2,2-dimethyl-3,5-hexanedione. n Further disclosed herein is an organic electroluminescent (EL) device using the red phosphorescent compound. |