华为二次状告传音侵权，涉及图像显示专利

Core Viewpoint - Huawei has filed a lawsuit against Transsion Holdings for patent infringement related to a European patent concerning "offset decoding devices, offset encoding devices, and image filtering devices" [1][2] Group 1: Legal Actions - Huawei initiated legal action against Transsion on June 20, 2023, in the European Patent Court in Munich [1] - This lawsuit marks Huawei as the fourth entity to pursue patent rights against Transsion regarding HEVC patents [1] - Transsion has previously faced lawsuits from NEC, JVC, and Sun Patent Trust over HEVC patents in both the UPC and Brazil [1] Group 2: Patent Details - The patent in question (CN106851318B) addresses issues of memory efficiency in adaptive offset filters by limiting offset bit depth and range [2] - The technology is widely used in smartphone image display modules, enhancing encoding efficiency and reducing memory usage, which improves device performance and lowers hardware costs [2][11] Group 3: Company Background - Transsion Holdings, established in 2013, is a significant player in the emerging mobile phone market, with brands like TECNO, itel, and Infinix, and operates in over 70 countries [11] - Transsion was recognized as the "King of African Phones" upon its debut on the STAR Market in September 2019, with a 14.0% global market share projected for 2024, ranking third overall [12] - However, Transsion reported a revenue decline of 25.45% year-on-year in Q1 2025, marking a significant drop in net profit by 69.87% [12] Group 4: Competitive Landscape - Huawei holds over 150,000 effective patents globally, with more than 90% being invention patents, showcasing its leadership in patent technology [12] - In contrast, Transsion has 3,882 patents, with only 995 being invention patents, indicating a substantial gap in patent holdings between the two companies [12] - The ongoing legal disputes highlight the increasing importance of patents as a competitive factor in the global mobile phone market [12]