| 摘要 |
PURPOSE: A carbazole compound is provided to improve life time of a light emitting element, and to improve luminous efficiency. CONSTITUTION: A carbazole compound is in chemical formula G1. In chemical formula G1, R^1 is a C1-12 alkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted triphenylenyl group, or -(α1)n-Ar^1. R^2 is hydrogen, a C1-12 alkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted phenyl group, or -α2-Ar^2, α^3 is a substituted or unsubstituted phenylene group or biphenyldiyl group, and Ar^3 is biphenyldiyl naphthyl group, phenathryl group, or triphenylenyl group. |
