Researchers from Inha University and Pusan National University have developed a the world's highest-efficiency solution-processed blue OLED device, achieving an EQE of 36.7%. As TCL CSOT gears up to begin OLED mass production utilizing inkjet printing, there is renewed interest in soluble OLEDs.
To create this new device, the researchers developed a new OLED emitter, a platinum(II) complex, "PtON-QBn", and also introduced a new "PVK Template Layer" in the OLED device stack.
The researchers say that the new emitter material offers a reduced light-emitting energy lifetime, of approximately one microsecond (µs) and significantly improved energy transfer efficiency.
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Posted: Apr 28,2026 by Ron Mertens
