According to reports, the Korean Supreme Court upheld the validity of SFC's blue OLED emitter patent, and did not accept the claims by SK Materials JNC that the patent was invalid.
This patent dispute started in 2020, when SK Materials JNC filed the patent invalidation application, and the patent court held the patent as valid in the summer of 2024. SK Materials JNC then appealed to the supreme court.
The patent (Korean Patent ID: 2094830) details the material structure of a fluorescent blue OLED emitter, and is titled "Polycyclic aromatic compound and organoelectroluminescent device using the same".
To read the entire article, sign up for OLED-Info Pro
Subscribe Now
OLED-Info Membership Benefits:
- Access to premium content
- A comprehensive guide to the OLED industry
- OLED Insights and trends analysis
- AI-powered assistant built specifically for the OLED industry
- A content library of 250+ brochures, catalogs, roadmaps, presentations and more.
- Detailed structured information on OLED devices, fabs, microdisplays, automotive applications and more
- Online access, easy subscription model, cancel at any time
- Only $199.99 per year (with group discounts)
Posted: Apr 02,2026 by Ron Mertens
