摘要
利用新型荧光染料2-溴-4-氟苯乙烯-8-羟基喹啉锌(BFHQZn,(E)-2-(2-bromo-4-fluorostyryl)quinolato-Zinc)的电致发光(EL)特性,制备了非掺杂型的有机电致白光器件(WOLED)。器件的结构为ITO/CuPc(10nm)/NPBX(25 nm)/BFHQZn(18 nm)/NPBX(xnm)/BCP(10 nm)/Alq3((47-x)nm)/LiF(0.5 nm)/Al,当x为12时,得到了色度最好和效率最大的WOLED,最大电流效率为1.11 cd/A(at 10 V),最大的亮度为817 cd/m2(at 15 V),当驱动电压从7 V(启亮)升高到15 V(最高亮度)时,器件色坐标由(0.32,038)改变为(0.30,0.28)。
We investigate the electroluminescence(EL) characteristics of a novel yellow emitting material:(E)-2-(2-bromo-4-fluorostyryl)quinolato-Zinc(BFHQZn).Based on this performance,series of un-doping white OLEDs are fabricated.The white device are fabricated as follows:ITO/CuPc(10 nm)/NPBX(25 nm)/BFHQZn(18 nm)/NPBX(x nm)/BCP(10 nm)/Alq3((47-x)nm) /LiF(0.5 nm)/Al,when NPBX thickness is 12 nm,white OLEDs are obtained with the maximum luminance of 817 cd/m^2(at 15 V) and the maximum luminous efficiency of 1.11 cd/A(at 10 V),respectively.The Commission International de L′Eclairage(CIE) coordinates varies from(0.32,0.38)at 7 V to(0.30,0.28) at 15 V.With the good EL performance,this kind of WOLED is particular suited for working as the backlight in LCD in combination with color filters to achieve the full color display.
出处
《光电子.激光》
EI
CAS
CSCD
北大核心
2010年第3期340-343,共4页
Journal of Optoelectronics·Laser
基金
国家自然科学基金资助项目(20471020
20671036)
国家青年基金资助项目(10804036)
吉林省科技发展计划资助项目(20050523
20080528)
吉林省教育厅科研计划资助项目(吉教科合字[2003]第25号
吉教科合字[2004]第54号
吉教科合字[2009]第192号)
广东省科技资助项目(2006A10801002)