Efficient light-emitting diodes based on a binaphthalene-containing polymer.

Features an efficient light-emitting diodes using a binaphthalene polymer as the emissive layer and a fluorinated copper phthalocyanine as the electron injecting/transporting layer. Twisted, nonplanar backbone with two hexyloxy side groups; Energy levels; Brightness, luminous efficiency and quantum efficiency of a light-emitting diode with aluminum electrode.