Seoul Semiconductor

Seoul Semiconductor is a global innovator in LED technology, ranked No.3 worldwide in the optoelectronics industry. With over 30 years of expertise and more than 18,000 patents, we are leading a new paradigm of light across key industries including general lighting, automotive, IT displays, and healthcare through our subsidiary, Seoul Viosys.

In the automotive sector, Seoul Semiconductor is pioneering the future of both interior and exterior lighting. Our SunLike LEDs deliver natural-spectrum light that enhances comfort and well-being for passengers, while our patented WICOP technology provides compact, high-performance solutions for front turn, DRL, and high/low beam applications.

Our breakthrough technologies—such as no-wire WICOP LEDs, SunLike for natural sunlight, high-voltage Acrich, ultra-bright nPola, RGB one-chip MicroLEDs, and UV sterilization Violeds—have redefined the possibilities of light. Backed by continuous R&D, we focus on delivering higher luminance, lower thermal resistance, and greater design flexibility—all as a trusted partner, never a competitor.

Driven by our vision—“To make the world cleaner, healthier, and more beautiful through light”—Seoul Semiconductor is shaping the future of light, today.