五矿证券称氮化镓和 SiC 二者相辅相成，SiC 拥有极高的热导率，作为衬底能快速导出氮化镓功 能层 工作时产生的热量，解决 GaN 自身散热差的短板，避免器件因过热失效。氮化镓作为功 能层，其宽禁 带、高电子迁移率等特性可以更好地实现信号放大、电能转换等核心功能。 同时方正证券表示，AI算力将大幅刺激高效率、高密度的功率器件需求。TechInsights数据显示，服务 器机架功率正攀升至100kW以上，推动功 率密度需求突破100W/立方英寸。此外，5.5kW至12kW高功 率电源和电池备份单元需求高增，催生对氮化镓和碳化硅等宽禁 带半导体材料的迫切需求。 公司方面，据上市公司互动平台表示， 据中国光谷官微12月4日报道，九峰山实验室成功研发出基于氮化镓（GaN）的新型电源模块。这种仅 指甲盖大小的"黑盒子"，若在一座1吉瓦（即10亿瓦）的超大型AI算力中心中部署100万个，每年可节省 近3亿度电，折合电费约2.4亿元。 团队负责人李思超博士说，该成果目前已完成概念验证，即将开始中试验证，预计3-5年内量产，届时 可满足千亿级市场需求。 点评：中国光谷指出，建设一座AI算力中心，可以说是以"电"换"算"。理 ...

Market Overview - The main board saw significant gains with notable stocks such as Dahua Technology (+10.09%), Junya Technology (+10.03%), and Yingqu Technology (+10.02%) leading the charge [1] - The ChiNext board also performed well, highlighted by Chuling Information (+20.00%) and Lianjian Optoelectronics (+9.77%) [1] - The Sci-Tech Innovation board was led by Hongwei Technology (+9.55%) and Zhongke Lanyun (+8.90%) [1] - Active sub-industries included SW Semiconductor Equipment (+4.00%) and SW Robotics (+2.99%) [1] Domestic News - In the semiconductor sector, InnoSilicon announced two major developments, including a victory in a 337 investigation case against Infineon and a strategic partnership with ON Semiconductor to advance GaN industry ecosystem [1] - CINNO reported that Hongxi Technology's 12-inch silicon-based OLED micro-display module project in Chuzhou, Anhui, has reached structural completion, with a total planned investment of 2 billion RMB [1] - Jiufengshan Laboratory successfully developed a new GaN-based power module, which could save approximately 300 million kWh of electricity annually if deployed in a large AI computing center [1] - Ideal's first AI glasses "Livis" were officially launched, featuring an intelligent assistant with 88% accuracy in voice Q&A and various smart functionalities [1] Company Announcements - Geke Micro announced the shipment of high-pixel image sensor products, receiving orders from a well-known international ODM for 50 million pixel products based on GalaxyCell®2.0 technology [2] - ShenGong Co. plans to establish an industrial fund focusing on key equipment and materials for wafer manufacturing, while also considering investments in new energy vehicles and aerospace [2] - Igor announced a profit distribution plan for the first three quarters of 2025, proposing a cash dividend of 1 RMB per 10 shares [2] - Wanlong Optoelectronics announced a major asset restructuring plan, intending to acquire control of Zhongkong Information through a combination of share issuance and cash payment [2] International News - Micron Technology announced a strategic shift, exiting the consumer-grade business of its Crucial brand after 29 years [3] - AMD expanded its strategic partnership with HPE to enhance open architecture AI infrastructure, focusing on collaborative design to improve efficiency and scalability [3] - Kyocera decided to abandon the development of 5G wireless base stations, opting instead to focus on 5G wireless repeaters based on millimeter-wave technology [3] - The international DRAM market showed stability, with DDR4 prices increasing by 2.11% while DDR5 prices experienced a slight decline [3]