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We report a low-voltage and high-stability blue OLEDs with a peak at 470 nm, which is composed of tetrafluorotetracyano-quinodimethane(F4-TCNQ) doped 2T-NATA and additional 4,4'4"-Tris(N-(2-naphthyl)-N-phenyl-amino)-triphenylamine(2T-NATA) as a hole injection layer (HIL). Compared to undoped device, the operating voltage of p-type doped blue OLEDs can decrease by 1.5 V. Furthermore, the use of...
Organic light-emitting diodes (OLED) is being considered as one of the most potential technology for the application of flat panel display (FPD) due to the low driving voltage, high luminance and high efficiency. Furthermore, OLED displays with plastic substrate also have many attractive features, such as ultra-thin and light in substrate. However, short operation-time hinders the process of OLED...
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