期刊论文

Zhu, Weihua;Deng, Yanhong

英文

Optical Materials

0925-3467

2020

100

109673

10.1016/j.optmat.2020.109673

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [61665010]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [2018JJ3010, 2017JJ2009]; Hunan Province Key Laboratory for Ultra-Fast Micro/Nano Technology and Advanced Laser Manufacture [2018TP1041]; Science and Technology Plan Project of Hunan Province [2016TP1020]; Hunan Provincial Applied Basic Research Base of Optoelectronic Information Technology [GD18K05, GD19K06]; Open fund project of Hunan Provincial Key Laboratory of Intelligent Information Processing and Application for Hengyang Normal University [2017IIPAYB02]; Science and Technology Plan Project in Hengyang City; Science and Technology Development Plan Project in Hengyang City [2017KJ159]; Excellent Talents Program of HYNU; College Students Innovation and Entrepreneurship Training Program of Hengyang Normal University [cxcy1968]

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Bipolar host material and thermally activated delayed fluorescent (TADF) emitter were used in hybrid white organic light-emitting diodes (OLEDs) with the aim to achieve high performance. First of all, the single color OLEDs was optimized by changing the thickness of hole transporting layer, electron transporting layer and the doping concentration of emission material. Then, white organic light-emitting diodes (WOLEDs) were fabricated on the basis of the former single color OLEDs by modifying the doping concentration of TADF emitter. Finally, an optimized white device shows the best results of ...