An organic EL device includes an anode, a cathode and an EL element arranged between the two. The EL element includes a substance represented by the following chemical formula:
in which m, n=1-3; the substitute R is selected from a group consisting of t-butyl, phenyl, methylphenyl, naphehyl and heterocyclic compound. The EL element is highly efficient, lower-voltage operative and easy to be synthesized.
一种有机电致发光器件包括阳极、阴极和位于两者之间的电致发光元件。电致发光元件包括以下
化学式所表示的物质:其中m,n = 1-3;取代基R从由叔丁基、苯基、甲基苯基、
萘基和
杂环化合物组成的一组中选择。该电致发光元件高效、低电压操作并易于合成。