A light emitting device includes an emissive substance between an anode
and cathode that emits light upon application of electrical energy. The
emissive substance included in the device is at least one of the
following types of compounds: (a) a compound having a plurality of
1,7-phenanthroline skeletal structures; (b) a benzoquinoline derivative;
(c) a spiro compound; and (d) a tetraphenylmethane derivative.