Macroblock, Inc. (3527.TWO) designs, manufactures, and sells mixed-signal LED driver integrated circuits for display, backlight, and lighting applications worldwide. Founded in June 1999 and headquartered at No. 18 Pu-Ting Road, Hsinchu City, Taiwan, the company offers core products including LED display drivers for fine-pitch and mini/micro-LED displays; full-array local dimming backlight drivers supporting thousands of dimming zones; RGB LED drivers for architectural lighting and consumer electronics; DC/DC controllers and converters with high efficiency and low EMI; and automotive-grade solutions such as AEC-Q100 certified drivers for in-vehicle displays and lighting. Macroblock serves markets in China, the United States, Europe, Taiwan, and Asia, targeting LED display manufacturers, automotive suppliers, and lighting firms with over 500 global customers. Recent developments include the merger with subsidiary ARC Solid-State Lighting Corporation on September 15, 2023, where Macroblock assumed all rights and obligations; partnerships with Geely Auto Group for automotive applications, 3Particle, Shineon Hardtech, and Brompton for the XyperReal Stage virtual production center in April 2025, and Hirosawa and Springteq showcased at CES 2025; achievement of ISO27001 certification in April 2025 for information security; launch of next-generation flagship LED driver ICs MBI5762 and MBI5780 in October 2024; unveiling of the DaVinci Series at infoComm 2025 in June; and collaborations like the 3D LED cinema screen with Timewaying in May 2024.