| abstract |
An organic luminous material having the general formulan nwhere Ar 3 denotes a first arylene group, Ar 4 denotes a second arylene group, R 11 , R 12 , R 13 and R 14 are substituents which can be the same or different or some of which can be the same and other(s) different, x, y, z denote copolymerization ratios and n denotes the degree of polymerisation. |