SFC wins its civil patent lawsuit against SKMJ, for its fluorescent blue OLED emitter

A couple of months ago we reported that  the Korean Supreme Court upheld the validity of SFC's blue OLED emitter patent, and did not accept the claims by SK Materials JNC (SKMJ) that the patent was invalid.

Now we hear from Korea that SFC has won a civil lawsuit against SKMJ, and was awarded with 100 million Won in damages ($65,000 USD) plus all litigation expense. SFC was also seeking to ban SKMJ from marketing this material, and its likely that this is part of the court's decision. 

 

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.

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Posted: Jun 10,2026 by Ron Mertens