ORGANIC ELECTROLUMINESCENCE ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide a useful organic electroluminescence element luminescent agent and its applications for an organic electroluminescence element aiming at high durability. SOLUTION: An organic electroluminescence element luminescent agent and the organic electroluminescence element using a specified coumarin derivative, and a display panel and information display equipment using the organic electroluminescence element are provided to achieve the above object. COPYRIGHT: (C)2003,JPO