N,N-Diphenylpyridin-4-amine is primarily utilized in the field of organic electronics due to its excellent electron-transporting properties. It is commonly employed as a key component in the fabrication of organic light-emitting diodes (OLEDs), where it enhances device efficiency and stability. The compound is also used in the development of organic photovoltaics (OPVs) to improve charge carrier mobility and overall performance. Additionally, it serves as a building block in the synthesis of various organic semiconductors and hole-blocking materials, contributing to advancements in flexible and lightweight electronic devices. Its application extends to research and development of optoelectronic materials, where it aids in the study of charge transfer mechanisms and the optimization of device architectures.