| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electric charge transportation type varnish which provides a thin film capable of achieving excellent luminance characteristics when the electric charge transportation type varnish is applied to a hole injection layer of an organic EL element, an electric charge transportation type thin film and an organic EL element.SOLUTION: An electric charge transportation type varnish contains an electric charge transportation type material consisting of thiophene derivative represented by a formula (1), a dopant, and an organic solvent.</p> |
