| abstract |
(57) [Problem] To provide an electroluminescent device using an indolocarbazole compound having excellent EL performance and a long operating life. An organic electroluminescent device comprising an indolocarbazole compound represented by the following formula (I) or (II) as a charge transport component, wherein R and R in the following formula of the indolocarbazole compound are 'Is independently selected from the group consisting of hydrogen, alkyl, alkoxyl, aryl, and halogen; m and n are numbers; A 1 and A 2 are arylene, Ar 1 , Ar 2 , Ar 3 , and Ar 4 Is an organic electroluminescent device, wherein R 1 and R 2 are independently selected from the group consisting of hydrogen, alkyl, alkoxyl, aryl, and halogen, and p is a number. Embedded image |