Abstract
The research progress of AlGaN ultraviolet light-emitting diodes (UV LEDs) is explored in this paper. Firstly, the significance and application areas of AlGaN UV LEDs are introduced, emphasizing their wide-ranging applications in fields such as disinfection, medical devices, and sensors. Subsequently, an overview of the material science and manufacturing processes used in the production of AlGaN UV LEDs is provided, including crystal growth techniques and fabrication processes. Next, the design, structure, and operating principles of different types of AlGaN UV LEDs are described, with a focus on the devices optical performance, electrical characteristics, and thermal management effects. Finally, the latest research findings are summarized, and the challenges and future development directions facing current technology are discussed. This paper aims to provide readers with a comprehensive understanding of the research field of AlGaN UV LEDs and serve as a reference for future research and applications.
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