An electroluminescent material is a metal complex of 1-phenyl-3-methyl-4-trimethylacetyl-pyrazol-5-one of formula (I). An electroluminescent device comprising the compound of formula (I) in the luminescent layer is also part of the invention.
                            一种电致
发光材料是式 (I) 的 1-苯基-3-甲基-4-三甲基乙酰基
吡唑-5-酮的
金属复合物。在发光层中包含式(I)化合物的电致发光装置也是本发明的一部分。