点击 最 下方 "在看"和" "并分享，"关注"材料汇 添加 小编微信 ，遇见 志同道合 的你 投资建议 7 东吴证券 2 公众号·材料汇 ● AR服镜是AI应用的完美载体,可以结合虚拟和现实。AR眼镜(增强现实限镜)是一种将虚拟信息叠加到现实 世界中的智能穿戴设备，核心在于虚拟信息与现实世界的完美融合。2024年全球AR眼镜出货量达到55.3万副, 同比+7.8%，其中中国2024年出货28.6万副。光学显示系统为AR眼镜的核心。光学显示系统由尤学组合器和微 显示屏组成。光学显示系统是整个AR眼镜的核心部件,也是价值量最大的部件,约占整个AR眼镜成本的40%t。 ● 表面浮雕光栅波导方案是AR眼镜光学显示系统的未来主流趋势。表面浮雕光栅波导相对制造成本可控、工艺 成熟,光学性能优秀。尽管存在色散和彩虹纹问题,但可以将衬底更换为SiC采解决。结合技术水平和量产难 度,表面浮雕光栅波导是最现实也最有前景的量产方案。目前即将推出的主流AR眼镜均采用该方案。 ● 碳化硅材料具备高折射率、高热导性,成为AR眼镜镜片的理想来底材料。米底材料的折射率越高,AR镜片的 FOV就更大,单层SiC镜片即可实现80度以上FOV, ...

Investment Rating - The report recommends a focus on investment in companies such as Jing Sheng Mechanical & Electrical and Tian Yue Advanced [2]. Core Insights - AR glasses are seen as the perfect carrier for AI applications, combining virtual and real-world elements. The global shipment of AR glasses is expected to reach 553,000 units in 2024, a year-on-year increase of 7.8%, with China accounting for 286,000 units [2][11][17]. - The optical display system is the core component of AR glasses, comprising optical combiners and micro-displays, which account for over 40% of the total cost [2][26]. - The surface relief grating waveguide (SRG) is identified as the future mainstream trend for AR glasses' optical display systems, offering controllable manufacturing costs and excellent optical performance [2][57]. - Silicon carbide (SiC) materials are highlighted as ideal substrates for AR glasses due to their high refractive index and thermal conductivity, enabling a field of view (FOV) of over 80 degrees with a single-layer SiC lens [2][66]. - The need for semi-insulating SiC substrates is emphasized, with a focus on achieving mass production of 12-inch substrates to reduce costs significantly [2][63]. Summary by Sections Section 1: AR Glasses and Their Market - AR glasses are defined as smart wearable devices that overlay virtual information onto the real world, enhancing user experience [5][10]. - The market for AR glasses is expected to peak in 2024, with significant improvements in portability, functionality, and technology [17][18]. Section 2: Optical Waveguide Structures - The report discusses various optical waveguide structures, with SRG being the most suitable for mass production due to its manufacturing feasibility and optical performance [57][58]. - The advantages of SiC in optical waveguide applications include the ability to reduce color separation and improve thermal management, which is crucial for AR glasses' performance [70][71]. Section 3: Silicon Carbide Materials - SiC materials are noted for their high refractive index, which enhances the FOV and mitigates issues like rainbow patterns in optical waveguides [66][70]. - The report emphasizes the importance of achieving large-size SiC substrates to lower production costs and facilitate the entry of AR glasses into the consumer market [2][63].

近年来，在全球能源转型与智能化浪潮快速发展的当下，功率半导体行业正经历着前所未有的 变革与机遇。 随着"双碳"目标的持续推进、可再生能源的大规模应用、新能源汽车的爆发式增长以及工业自动 化 和 大 数 据 中 心 的 快 速 发 展 ， 对 高 效 、 低 功 耗 、 可 靠 的 功 率 半 导 体 需 求 愈 发 迫 切 。 碳 化 硅 （SiC）、IGBT、MOSFET等关键产品与技术领域成为推动各行业转型升级的核心动力，迎来广 阔的发展空间。 瑞能半导体全球营销高级总监Daniel Lee向笔者强调，瑞能半导体致力于持续深耕高性能半导体 解决方案，以创新驱动产业升级，为市场和客户积极赋能，助力制造业智能化升级与碳中和目标 实现。 瑞能半导体携创新成果亮相2025慕展 据瑞能半导体大中华区销售总监于中豪介绍，瑞能始终专注于研发行业领先、广泛且深入的功率 半导体产品组合，公司主要产品包括SiC器件，可控硅整流器和晶闸管，快恢复二极管，TVS、 ESD，以及IGBT和模块等功率产品，广泛应用于消费电子、工业制造、新能源及汽车等领域， 在诸多产品类型和市场中均保持领先身位。 在此背景下，作为全球功率半导体领域的 ...

Core Viewpoint - The establishment of the joint venture "Anifa Semiconductor Co., Ltd." between STMicroelectronics and Sanan Optoelectronics marks a significant milestone in localizing the production of 8-inch silicon carbide (SiC) wafers in China, aimed at meeting the growing demand in the electric vehicle and industrial power sectors by 2025 [1][3][4]. Group 1: Joint Venture and Production - The joint venture, located in Chongqing, includes an 8-inch SiC power device manufacturing facility and a separate SiC substrate manufacturing plant operated by Sanan, both designed to support local production needs [1][4]. - The total investment for the joint venture is projected to be approximately 23 billion RMB (3.2 billion USD), making it the first large-scale production line for automotive-grade SiC power devices in China [4][6]. Group 2: Market Demand and Industry Trends - The demand for SiC devices is expected to surge, with a forecasted market value of nearly 10 billion USD by 2029, driven primarily by the automotive, mobile, and transportation sectors [3]. - The shift from 6-inch to 8-inch wafers is becoming a consensus in the industry due to the increased effective area for cutting dies, which significantly reduces costs and enhances production efficiency [6][7]. Group 3: Local Economic Impact - The project is anticipated to enhance Chongqing's semiconductor industry chain, contributing to the formation of a significant SiC industry cluster and improving the local economy [4][12]. - STMicroelectronics' commitment to local production aligns with China's strategic goals for high-quality industrial development and innovation [9][12]. Group 4: Long-term Strategy - STMicroelectronics has a long history in China, having established a complete industrial chain and focusing on localization to better serve the Chinese market [10][11]. - The company's strategy includes collaboration with local educational institutions and partners to foster talent and innovation in the semiconductor field [11].