Seoul Semiconductor

Korea-based Seoul Semiconductor, established in 2000, develops and commercializes LEDs for automotive, general illumination, specialty lighting, and backlighting markets. The company says it is the world's second-largest LED maker (excluding the captive market). Seoul holds over 12,000 patents.

In January 2019 Seoul Semiconductor introduced Micro-LED products for next generation displays. In 2022 the company unveiled its WICOP technology to package vertically stacked microLEDs. The company demonstrated several prototypes and published a roadmap in May 2023.