2-Phenylbenzoxazole is widely used in the field of organic electronics due to its excellent photophysical properties. It serves as a key component in the development of organic light-emitting diodes (OLEDs), where it acts as an efficient emitter or host material, enhancing device performance and color purity. Additionally, it is utilized in fluorescent probes and sensors for detecting metal ions or biomolecules, owing to its strong fluorescence and sensitivity to environmental changes. In material science, it is incorporated into polymers and coatings to improve UV stability and optical properties. Its versatility also extends to pharmaceutical research, where it is explored as a potential scaffold for designing bioactive compounds with therapeutic applications.