An organic light-emitting device comprising a light-emitting layer or a
plurality of organic compound thin layers including a light-emitting
layer formed between a pair of electrodes, wherein at least one layer
comprises at least one kind of compound represented by the following
formula (1): ##STR00001## wherein R.sup.11, R.sup.12 and R.sup.13 each
represents a group having a cyclocondensed polycyclic hydrocarbon
structure in which three or more rings are cyclocondensed; and a novel
cyclocondensed polycyclic hydrocarbon compound.