Group 1 - Tianyue Advanced (02631) saw a stock price increase of over 4%, currently trading at 63.8 HKD with a transaction volume of 138 million HKD [1] - Meta announced the launch of three new AI smart glasses at the Connect conference, reigniting enthusiasm in the global AR glasses market [1] - Tianyue Advanced has taken the lead in the silicon carbide AR glasses sector, having already introduced a 12-inch silicon carbide substrate and is pushing for the industrialization of 12-inch optical-grade substrates [1] Group 2 - The chairman of Tianyue Advanced, Zong Yanmin, stated that as the technology for large-size silicon carbide substrates matures, the prices of silicon carbide lenses for AR glasses are expected to gradually decrease [1] - The substrate utilization rates indicate that a 6-inch silicon carbide substrate can produce approximately 2 pairs of AR glasses, an 8-inch can produce 3-5 pairs, and a 12-inch can produce 10-12 pairs [1] - Larger silicon carbide substrates result in less edge waste, leading to lower unit costs, thus providing a better cost-performance ratio [1]