Organic electroluminescence device and display unit

摘要

An organic electroluminescence device having high light emitting efficiency and improved reliability is provided. The organic electroluminescence device includes: an anode containing at least aluminum (Al); a cathode; and an organic layer between the anode and the cathode, the organic layer including a light emitting layer. The organic layer has a hole injection layer composed of a sulfonic acid derivative between the anode and the light emitting layer.

主权项

1. An organic electroluminescence device comprising:
an anode containing at least aluminum; a cathode; and an organic layer between the anode and the cathode, the organic layer including a light emitting layer; wherein,
the organic layer has a hole injection layer between the anode and the light emitting layer, andthe hole injection layer comprises a sulfonic acid derivative with at least a compound expressed in Formula 1: where B1 represents a trivalent group containing a benzene ring, a naphthalene ring, an anthracene ring, a phenanthrene ring, or a heterocycle, and each of R1 and R2 represent a carboxyl group or a hydroxyl group.