Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Abstract: Visible light positioning (VLP) has garnered significant attention due to its high accuracy, low cost, and eco-friendliness. Among the various VLP methods, single-anchor-based localization ...

Abstract: This article proposed a novel design for the monolithic micro-LED array, directly integrated with a sapphire microreflector. Its resolution was 300 dpi. Theoretically, each micro-LED pixel ...