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- W2019956077 abstract "Employing double emission layers (DELs) into blue phosphorescent organic light-emitting devices (PHOLED), the device shows improved current efficiency by a factor of 1.8 compared to that of device using single emission layer (SEL). Furthermore, by doping additional carrier-transporting material into DELs, the device shows a slight efficiency roll-off of 24% from low (1 mA/cm2 and 400 cd/m2) to high current density (40 mA/cm2 and 10000 cd/m2). The dramatic improvement in device performances can be attributed to the formation of a broader carrier recombination zone and the elimination of carrier accumulation at interface. A blue PHOLED with a current efficiency of 29.5 cd/A, a power efficiency of 21 lm/W and a low driving voltage of 4.4 V with a CIEx,y of (0.16, 0.35) at a practical brightness of 1000 cd/m2 can be achieved." @default.
- W2019956077 created "2016-06-24" @default.
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- W2019956077 date "2009-01-01" @default.
- W2019956077 modified "2023-09-26" @default.
- W2019956077 title "P-151: Low-Voltage, High-Efficiency Blue Phosphorescent OLED Using Double Emission Layers" @default.
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- W2019956077 doi "https://doi.org/10.1889/1.3256652" @default.
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