2-Bromo-9,9'-spirobifluorene is widely used in the field of organic electronics, particularly in the development of organic light-emitting diodes (OLEDs). Its unique structure and electronic properties make it an effective building block for creating high-performance materials. It is often incorporated into light-emitting layers or as a host material in OLED devices, enhancing efficiency and stability. Additionally, it serves as a key intermediate in the synthesis of more complex organic compounds used in optoelectronic applications. Its ability to improve charge transport and emission characteristics makes it valuable in advanced display and lighting technologies.