Industry Overview - The display glass substrate industry is characterized by high purity special glass as the core material, providing essential support for display devices like LCD, OLED, and Mini/Micro LED [1][5] - The market size of China's display glass substrate industry is projected to reach approximately 35 billion yuan in 2024, with a year-on-year growth of 5.11% [5][10] - The TFT-LCD segment dominates the market, accounting for about 80% of glass substrate applications, with a market size of 31.59 billion yuan in 2024, reflecting a growth of 6.79% [5][6] Classification of Display Glass Substrates - Display glass substrates can be classified based on manufacturing processes (float, overflow melting, etc.), application scenarios (LCD/OLED, Mini/Micro LED), and technical characteristics (rigid, flexible) [2][3] - The performance requirements vary significantly across different display technologies, with LCD substrates needing high flatness and thermal stability, while OLED substrates focus on high-temperature resistance [4][5] Industry Development Status - The Chinese display glass substrate industry has shown steady growth, driven by technological advancements and increasing downstream application demands [5][10] - The market is expected to grow to 36.8 billion yuan by 2025, indicating a robust growth trend [5][10] Industry Value Chain - The industry value chain includes upstream raw materials (silica sand, soda ash), midstream production processes (research, melting, forming), and downstream applications (smartphones, TVs) [6][8] - The demand structure is diversifying, with traditional applications expanding into high-growth areas like Mini/Micro LED and advanced packaging [6][8] Competitive Landscape - The global display glass substrate market is highly concentrated, with Corning, AGC, and NEG holding about 80% market share [8][9] - Domestic companies like Rainbow Co. and Eastsun have achieved significant breakthroughs in G8.5+ glass substrate production, contributing to the domestic substitution efforts [8][9] Future Development Trends - The industry is expected to see accelerated technological breakthroughs and application expansions, particularly in high-generation lines and advanced technologies like UTG and TGV [10][11] - The integration of display technology with 5G, AI, and IoT is creating new application scenarios, driving demand for high-performance glass substrates [11][12] - Companies are focusing on green manufacturing and operational intelligence to enhance competitiveness and sustainability [12]