Taiwan panel industry transforms by riding the AI wave into microLED optical communications

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DIGITIMES observes that with the rise of AI servers, copper-cable transmission is increasingly unable to meet rising bandwidth and energy-efficiency requirements, making the shift from copper to optics a key industry trend. Optical interconnect technologies can be broadly categorized by transmission distance into three types: CW-DFB, VCSEL, and microLED. The first two rely on laser sources and lag behind microLED in terms of cost, lifespan, power consumption, and thermal resilience. Consequently, microLED-based optical communications are poised to become the mainstream solution for in-rack data transmission. At present, Taiwanese firms lead globally in both microLED display technology and mass production capabilities, particularly in mass transfer alignment accuracy and microLED die density, which strongly supports their expansion into optical communications. To enhance competitiveness in the optical communications sector, Taiwanese players are actively building vertically integrated microLED optical communication supply chains spanning dies, photodetectors, and packaging processes. Chart 1: Tech needs for microLED shift from display to optical communication applications Taiwanese firms pushing to catch up with international competitors Chart 3: MicroLED single-channel data transfer rate development progress Advantages of Taiwanese firms in microLED optical communication Chart 4: Taiwan microLED and AI server assembly supply chain deployment Chart 5: Taiwan panel makers' non-display business development Chart 6: Ennostar current development of optical communication technologies Chart 7: Ennostar microLED optical communication transfer rate now and beyond Chart 8: AUO's resource consolidation for microLED optical communications Chart 9: Brillink-PlayNitride cooperation for microLED optical communication business Chart 10: Foxconn and affiliates microLED supply chain and future application deployment Chart 11: Chinese companies microLED optical communication tech development Chart 12: Taiwan players' microLED optical communication tech advantages and prospects