A report from Korea suggests that a few years ago Solus Advanced Materials filed two patents in Korea (2282799 and 2344831) in the area of QD-OLED ETL materials, but in 2023 Novaled filled a motion to nullify the patents, which was accepted by Korea's Property High Court.
Solus did not appeal the ruling, which means it is final. According to the report, Novaled (owned by Samsung) is the exclusive supplier of ETL materials used in Samsung's QD-OLED panels, and following this decision, it is expected to remain the sole supplier.
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Posted: Mar 11,2025 by Ron Mertens
