25 August 2017 High-efficiency orange-red organic electrophosphorescent devices with excellent operational stability
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Abstract
A novel orange-red phosphorescent iridium complex PR-24 has been successfully synthesized and characterized. By using this material, we demonstrated the high-efficiency OLED devices. The best efficiency was achieved for a device using PR-24 as the dopant, exhibiting 25.8 cd/A current efficiency, 20.0 lm/W power efficiency and 15.9% EQE at 1000 cd/m2 . Moreover, when using the optimized co-host configuration, PR-24 shows a remarkable lifetime T50 of 211,000 h for an initial luminance of 1000 nits .
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Pang-Chi Huang, Pang-Chi Huang, Meng-Hao Chang, Meng-Hao Chang, Jin-Sheng Lin, Jin-Sheng Lin, Mei-Rurng Tseng, Mei-Rurng Tseng, } "High-efficiency orange-red organic electrophosphorescent devices with excellent operational stability", Proc. SPIE 10362, Organic Light Emitting Materials and Devices XXI, 1036225 (25 August 2017); doi: 10.1117/12.2273467; https://doi.org/10.1117/12.2273467
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