| 摘要 |
PURPOSE: An aromatic compound is provided to improve blue brightness, color purity, and lifetime when applied to a thin film layer between an anode and a cathode. CONSTITUTION: An aromatic compound has a structure represented by chemical formula (1). In chemical formula (1), L1 and L2 are respectively single bond, substituted or unsubstituted C6-40 aryl group or substituted or unsubstituted C3-20 heteroaryl group; Cz substituted or unsubstituted carbazolyl group; and A is respectively hydrogen, deuterium, substituted or unsubstituted C1-20 alkyl group, substituted or unsubstituted C6-40 aryl group, or substituted or unsubstituted C3-20 heteroaryl group.
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