Dead zone control represents a pivotal factor in perovskite solar commercialization, directly impacting module efficiency and manufacturing costs. Lecheng’s laser technologies—combining precision patterning, intelligent compensation, and scalable automation—provide the industry with practical solutions for maximizing active area utilization. As perovskite technology advances, Lecheng continues to lead in developing laser processes that push dead zones below 100μm, bringing next-generation solar cells closer to their theoretical efficiency limits.