Group 1 - The evolution of fingerprint recognition technology in smartphones has shifted from physical to optical and now to under-display ultrasonic fingerprint recognition, which is becoming a trend in the industry [1] - Several domestic smartphone manufacturers are set to adopt ultrasonic fingerprint unlocking technology in their flagship models, indicating a potential explosive growth in this technology [1] - Ultrasonic fingerprint recognition offers higher security and faster unlocking speed compared to traditional optical methods, as it can penetrate surface contaminants and ensure stable and accurate unlocking in various environments [1] Group 2 - Although ultrasonic fingerprint recognition is currently more expensive and mainly used in high-end flagship phones, advancements in domestic technology and decreasing costs are expected to expand its application to mid-range products and other smart devices [2] - The rapid development of IoT and smart home sectors will further broaden the application scenarios for ultrasonic fingerprint recognition, making it a mainstream solution for secure identity verification [2] - The market size of China's ultrasonic fingerprint recognition industry is projected to reach 363 million yuan by 2028 [2] Group 3 - O-film, a leading company in the optical and electronic field, has been focusing on fingerprint recognition and 3D ToF microelectronics, maintaining a significant market share in the fingerprint recognition module sector [2] - O-film has been producing fingerprint recognition modules since 2015 and has consistently ranked among the top global suppliers [2] - The company has a strong position in both optical and ultrasonic under-display fingerprint recognition modules, and its self-developed technologies enhance smart lock products [2] Group 4 - With the increasing prevalence and upgrade of smart terminal devices, ultrasonic fingerprint recognition technology is expected to maintain a high growth trajectory as a key identity authentication method [3] - O-film has long been producing ultrasonic fingerprint recognition modules for overseas clients, and the company is likely to benefit from the rapid penetration of this technology in the domestic market in the coming years [3] - As ultrasonic technology matures, O-film's advantages in the fingerprint recognition market will become more pronounced, presenting new development opportunities [3]