RED PHOSPHORESCENT HOST COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME

摘要

PURPOSE: a kind of organic electroluminescence device of red phosphorescent host compound, which is provided to, realizes high color purity and the organic electroluminescence device of high brightness and to improve luminous efficiency. ;CONSTITUTION: a kind of organic electroluminescence device of red phosphorescent host compound is chemical formula 1 or 2. In chemical formula, A and B are selected from substituted or unsubstituted aryl, substituted or unsubstituted heterocycle, substituted or unsubstituted aliphatic group. The organic electroluminescence device includes first electrode, second electrode and one and first electrode, second electrode and organic electro luminescent layer, including an electroluminescent material layer is between the first and second electrodes. ;The 2011 of copyright KIPO submissions