Recently, Sanlih PFP, a leading Chinese manufacturer of polarizing films, announced that it has been granted 10 national patents covering core technological areas such as optical film materials, polarizer manufacturing processes, and equipment structures. This achievement not only highlights the company’s sustained innovation capabilities in display materials but also strengthens its technological moat in the high-end polarizer market.Polarizing films are critical components in liquid crystal display (LCD) and organic light-emitting diode (OLED) panels, directly affecting display performance and power consumption. As one of the earliest domestic companies to achieve localization of polarizers, Sanlih PFP has long focused on the R&D and production of high-precision, high-performance polarizing films. Among the newly granted patents are key innovations related to ultra-thin flexible polarizers, high-durability optical compensation films, and eco-friendly manufacturing processes—technologies expected to significantly improve product yield and environmental sustainability.Industry analysts note that as the global display industry shifts toward higher resolution and lower power consumption, companies with proprietary core materials stand to gain a competitive edge. Sanlih PFP’s recent patent grants will accelerate its integration into mainstream supply chains with premium products and bolster the self-reliance of China’s display industry chain.
近日，国内偏光片龙头企业三利谱（Sanlih PFP）宣布成功取得10项国家专利证书，涵盖光学膜材料、偏光片制造工艺及设备结构等多个核心技术领域。这一成果不仅彰显了公司在显示材料领域的持续创新能力，也进一步巩固了其在高端偏光片市场的技术壁垒。偏光片是液晶显示（LCD）和有机发光二极管（OLED）面板的关键组件，直接影响显示效果与能耗。作为国内最早实现偏光片国产化的企业之一，三利谱长期聚焦于高精度、高性能偏光片的研发与生产。此次获得的专利中，包括多项涉及超薄柔性偏光片、高耐久性光学补偿膜以及绿色制造工艺的技术，有望显著提升产品良率与环境友好性。业内分析指出，随着全球显示产业向更高分辨率、更低功耗方向演进，具备自主知识产权的核心材料企业将更具竞争优势。三利谱此次集中获得专利授权，不仅有助于其加速高端产品导入主流供应链，也为我国显示产业链的自主可控提供了有力支撑。
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