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中文摘要：
白光有机发光器件（OLED）能够产生高效饱和的白光,且具有驱动电压低、材料柔性好、可实现大面积显示等特点,在信息显示与固态照明等领域有巨大的应用潜力.目前白光OLED主要分为单发光层、多发光层、下转换、叠层等结构,不同的结构具有各自的优势,都受到了很大关注.首先介绍了白光OLED的性能指标.接着,结合所开展的研究工作综述了白光OLED在结构和性能方面的研究进展,总结了实现高效白光OLED的各种方法,重点探讨了提高白光OLED性能的途径及所面临的挑战.最后,展望了白光OLED的发展趋势.
英文摘要：
White organic light-emitting device （OLED） has potential of producing highly efficient saturated white light with the advantages of low-driving voltage,large area available,and flexible display,hence presenting many potential applications in solid state lighting and display industry.At present,the architecture of white OLED device includes mainly single emission layer,multilayer,down-conversion,stacked OLED,etc.which possess their own benefits,and it has attracted much attention respectively.In this paper after introducing the performance standards of white light,we review the development of white OLED in the aspects of architecture and performance.After that,we summarize the approaches to obtaining the high-performance white OLED.Meanwhile,we discuss the challenges to improving white OLED performance.Finally we look forward to the development of white OLED in the future.
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