Business Seoul Semiconductor’s patent case leads to a ban on the sale of LEDs in eight European countries By The Bharat Express News - October 13, 2024 0 FacebookTwitterPinterestWhatsApp Seoul Semiconductor’s patent case leads to a ban on the sale of LEDs in eight European countries See also This company generates no revenue and its market cap is over $20 billion. Here's why that valuation might not be so ridiculous after all.