摘要 |
<p>PROBLEM TO BE SOLVED: To provide: a material that is capable of largely improving low voltage, light emitting efficiency, stability and a life span of a device, has thermal stability and a subliming ability required in a vacuum deposition process; and an organic electronic device using the same.SOLUTION: The present invention provides a nitrogen-containing heterocyclic compound represented by the compound specified in the figure, and an organic electronic device using the same.</p> |