Core Viewpoint - Yunyinggu Technology Co., Ltd. has updated its IPO application materials, aiming to raise funds for the development and optimization of AMOLED TDDI chips, Micro-OLED, and Micro-LED display driver backplanes, as well as for strategic investments or acquisitions [1][2] Group 1: Company Overview - Yunyinggu specializes in the research, design, and sales of OLED display driver chips, operating under a Fabless model [1] - The company is the fifth largest supplier of AMOLED display driver chips in the global smartphone market and the largest supplier in mainland China, with a projected market share of 40.7% in the Micro-OLED display backplane/driver market, ranking second globally [1] Group 2: Business Performance - As of the end of 2024, Yunyinggu has mass-produced AMOLED display driver chips for several leading smartphone brands, covering over 10 product series, and holds more than 25% of the global smartphone market share [2] - From 2022 to 2024, the sales volume of AMOLED display driver chips increased from 14.1 million to 51.4 million units, with the company's market share rising from 2.4% to 5.7%, leading to revenue growth from 551 million yuan to 891 million yuan [2] - In the first three quarters of 2025, the company achieved a revenue of 896 million yuan and a gross profit of 125 million yuan, with a significantly improved gross margin compared to the full year of 2024 [2] Group 3: Research and Development - Between 2022 and October 2025, the company invested a total of 832 million yuan in R&D, accounting for 27.2% of total revenue during the same period, with a compound annual growth rate of 12.4% in R&D expenses from 2022 to 2024 [2] - As of the end of the reporting period, the company has registered 28 invention patents in mainland China, with an additional 12 patent applications pending approval [2]