Core Viewpoint - Recent advancements in Micro LED mass transfer processes have been achieved through collaboration between Fuzhou University and Chalmers University of Technology, which may significantly accelerate the commercialization of Micro LED technology in AR/VR, wearable devices, and smart glasses [1][2]. Group 1: Technology Development - The research team developed a high-yield laser mass transfer method for Micro LEDs that eliminates residual polymers, enhancing the transfer process's efficiency [2]. - The laser-induced transfer method operates within a laser energy range of 1200–1500 mJ/cm², achieving a chip retention rate of nearly 100% during the transfer process [2]. - The new technology overcomes limitations of traditional mass transfer methods, such as electrostatic transfer and micro-stamping, by providing precise control over laser focus depth and avoiding chip surface damage [2][3]. Group 2: Precision and Compatibility - A mathematical relationship was established to compensate for instability factors like sapphire warping, enabling precise transfer without polymer residues [3]. - The technology is compatible with various sizes and types of Micro LED chips, laying a solid foundation for transferring Micro LEDs to TFT (Thin-Film Transistor) driving substrates [4]. Group 3: Future Applications and Collaborations - Future plans include expanding the technology's application potential in full-color Micro LEDs, flexible displays, and micro-projection [5]. - Fuzhou University has made significant progress in μLED display chip preparation and mass transfer technologies, collaborating with enterprises and universities to advance Micro LED research [6].