Luminescent mixture, used in organic LED, e.g. for car, mobile telephone or notebook picture screen, contains polyfluorene, poly-(p-phenylene-vinylene), poly(p-phenylene) or polythiophene compound and heavy metal compound

摘要

Luminescent mixtures of (1) organic polymer(s) and (2) compound(s) of heavy metals of atomic weight not less than 50 comprise (1a) poly-(p-phenylene-vinylene) compounds and (2a) compound(s) of series 1-3 transition metals, main group 3, 4 and 5 metals of periods 5 and 6 and lanthanides, except platinum; (1b) polyfluorene, poly(p-phenylene) and polythiophene compounds and (2b) compound(s) of copper, zinc and main group 3, 4 and 5 metals of period 6.