News: LEDs
29 April 2025
Seoul Semi’s micro-LED patents infringed by Laser Components, judges Unified Patent Court
South Korea-based Seoul Semiconductor Co Ltd says that the Local Division Paris of the Unified Patent Court (UPC), which has jurisdiction across 18 European countries, has issued a judgment that its affiliate’s core optical semiconductor patent was infringed by Laser Components SAS of Meudon, France, a global distributor offering electronic components across USA, Europe, and Canada.
The court ordered an immediate ban on sales, as well as the recall and destruction of infringing products.
This ruling is Seoul’s second victory at the UPC, following its October 2024 judgment prohibiting the sales of products infringing Seoul’s patents across eight countries — said to be a first in the LED industry.
Laser Components was found to have sold products that infringed Seoul’s WICOP technology, which provides a robust, no-wire structure for micro-LED applications.
Seoul Semi claims that its WICOP technology is the world’s first technology to overcome the structural limitations of conventional manufacturing of LEDs consisting of compound materials like gallium and indium, which require vertical alignment of positive and negative electrodes as well as wires to connect the electrodes. Seoul Semi claims to be the first to solve this problem by creating its ‘no-wire’ technology, which connects electrodes directly without wires. This improves light emission efficiency and offers a strong, durable structure that resists heat and humidity.
WICOP technology has been adopted across applications requiring miniaturization and high performance, including micro-LEDs, automotive headlamps, smartphone flashes, and backlight units. Its compact yet durable structure has also accelerated its use in advanced packaging products.
With an exclusive focus on optical semiconductors for over 30 years, Seoul Semi has assembled a portfolio of about 18,000 patents worldwide. In the last 20 years, Seoul Semi has won over 100 cases in patent litigation across eight countries. According to Omdia’s 2023 report, the firm ranks number-one globally in the UV LED and LCD backlight segments, and number-three overall in the LED industry.
Seoul Semi wins Unified Patent Court case against Expert e-Commerce
