From Event: SPIE Organic Photonics + Electronics, 2016
High efficiency OLEDs based on phosphorescent, thermally activated delayed fluorescent (TADF) and fluorescent emitters will be presented. We will show that EQEs over 60% is achievable if OLEDs are fabricated using organic semiconductors with the refractive indices of 1.5 and fully horizontal emitting dipoles without any extra light extracting structure. We will also show that reverse intersystem crossing RISC rate plays an important role to reduce the efficiency roll-off in efficient TADF and fluorescent OLEDs and a couple to methods will be presented to increase the RISC rate in the devices.
Jang-Joo Kim, Kwon-Hyeon Kim, Chang-Ki Moon, and Hyun Shin, "Highly efficient phosphorescent, TADF, and fluorescent OLEDs
(Conference Presentation)," Proc. SPIE 9941, Organic Light Emitting Materials and Devices XX, 99410F (Presented at SPIE Organic Photonics + Electronics: August 28, 2016; Published: 4 November 2016); https://doi.org/10.1117/12.2236758.5167077784001.
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