4-Bromo-p-terphenyl is primarily utilized in the field of organic electronics, particularly in the development of organic light-emitting diodes (OLEDs). Its structure and properties make it suitable for use as a host material in the emissive layer of OLED devices, where it helps to improve efficiency and stability. Additionally, it is employed in the synthesis of liquid crystals, which are essential components in display technologies such as LCDs. The compound is also explored in research for its potential applications in organic photovoltaics, contributing to the advancement of solar energy conversion technologies. Its ability to act as an intermediate in various organic synthesis processes further extends its utility in the production of complex organic compounds.