An organic semiconductor material having high charge mobility
characteristics and an organic semiconductor element is provided. The
organic semiconductor material has rodlike low-molecular liquid
crystallinity, including a skeleton structure comprising L 6 .pi.
electron aromatic rings, M 10 .pi. electron aromatic rings, and N 14.pi.
electron aromatic rings, wherein L, M, and N are each an integer of 0
(zero) to 4 and L+M+N=1 to 4; and a terminal structure attached to both
ends of the skeleton structure. The terminal structure can develop liquid
crystallinity. The phase angle .theta. of impedance of the organic
semiconductor material is -80.degree..ltoreq..theta..ltoreq.-90.degree.
as determined in the measurement of impedance in a frequency f range of
100 Hz.ltoreq.f.ltoreq.1 MHz in such a state that the organic
semiconductor material in an isotropic phase state is held between a pair
of opposed substrates with an interelectrode spacing of 9 .mu.m.