OLED Patent Wars: How China's Panel Industry Navigates IP Minefields In The Post-LCD Era

As Chinese manufacturers now control over 60% of global LCD production capacity (Omdia, 2024), the focus has increasingly shifted toward OLED technologies, where intellectual property (IP) challenges are becoming more pronounced. Recent patent lawsuits filed by Samsung and LG against BOE and Tianma demonstrate Korea's strategic use of IP to gain leverage in high-end displays. As the industry transitions to OLED and MicroLED technologies, China's shift from manufacturing dominance to technological leadership depends on overcoming significant patent challenges.

1. LG Display v. Tianma Microelectronics: Patent Litigation Analysis

On June 13, 2025, LG Display filed a patent infringement lawsuit against Tianma Microelectronics at the U.S. District Court for the Eastern District of Texas (Case No. 5:25-cv-00078). This lawsuit marks the conclusion of fourteen years of unfruitful licensing negotiations that started in 2001, when LG and NEC first entered into an LCD