Seoul Semiconductor and Seoul Viosys (hereafter referred to as Seoul) are Korea’s #1 optical semiconductor (LED) companies and are among the world’s #1 patent-powered companies.
Seoul is ranked first in the world in the ultraviolet (UV) LED field, developing and mass-producing these LEDs. It is ranked third in the visible-light LED category for the past two years. Its visible-light LEDs are widely used in lighting, displays, and automobiles. Seoul is on the path to being ranked #1.
Seoul says it is the only company in the world to offer the entire wavelength range from visible light to ultraviolet and infrared, in light-emitting diodes as well as laser diodes (VCSEL). In addition, Seoul is 100% vertically integrated with production capacity for all of these technologies: from wafers and chips to packages and modules.
Seoul is investing nearly $100 million in R&D every year and pouring out innovative LED technologies at a staggering rate. Its collection of patents is unrivaled in the LED industry.