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Samsung Display Complaint Accuses Joled, Asus of Infringing OLED Patent

Asus ProArt PQ22UC 4K monitors bearing OLED panels sourced from Joled in Japan infringe Samsung Display’s September 2017 U.S. patent (9,768,240) on thin-film transistor array substrates for OLED screens, alleged a complaint (in Pacer) that the Korean panel maker filed Friday in U.S. District Court in Waco, Texas. Joled is a panel maker and R&D company forged from an expired Panasonic-Sony joint venture agreement and resurrected six years ago with public and private sector partners, including minority owners Panasonic and Sony (see 1408010054). It specializes in small runs of medium-sized OLED substrates, but its production volumes in the display panel supply chain are "tiny," emailed Display Supply Chain Consultants CEO Ross Young Friday. Samsung Display seeks a permanent injunction barring Asus and Joled from future infringement, plus punitive and compensatory damages. The defendants didn't respond to requests for comment.