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用于液晶背光源的双层掺杂白光OLED 被引量:6

A Kind of White OLED Based Using Double Doping Emitting Layer for LCD Backlighting
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摘要 制备了一种双层掺杂的白光有机电致发光器件(OLED),其中BAlqTBPe掺杂层发蓝光,Zn(BTZ)2Ru-brene掺杂层发橙色光。器件在驱动电压5V时就能发出白光,且在驱动电压5-15V内色坐标变化较小,均在白光色域区,在15V时亮度达到8572cd/m^2,在电流密度50mA/cm^2时量子效率最高达到0.9%。对该白光OLED的发光和电学性能以及发光机理进行了深入的研究和探讨,进而制备了应用于液晶显示(LCD)背光源的近白光OLED,有效面积达到3cm×3cm,在10V时平均亮度达到-1300cd/m^2,发光亮度均匀性为90%,色度均匀性较好,很好地符合了LCD对背光源的要求。 A novel white organic light-emitting device(OLED) was realized by using a TBPe-doped BAlq layer to provide blue emission and a rubrene-doped Zn(BTZ)2 layer to provide red emission for color mixing. The device had a very low starting voltage at 5 V. By appropriately controlling the doping concentration, the white light OLED achieved a high brighmess of 8 572 cd/m^2 at 15 V,and the maximum external efficiency of 0. 9M at 50 mA/cm^2. The commission intemationable de 1' Eclairage coordinates of the emitted light was stable in the white area at voltages from 5 to 15 V. Then,we analyzed the the principles of the white device. Besides,we make this kind of white OLED to match with LCD screen. The maximal active area achieved 3 cm^3 crn. The average brightness of the device reached 1300 cd/m^2 at 10 V,and the unifomaization of brightness was 90M. So it can be concluded that the white OLED well satisfied the need for LCDhacklighting.
出处 《光电子.激光》 EI CAS CSCD 北大核心 2007年第5期515-518,共4页 Journal of Optoelectronics·Laser
基金 国家自然科学基金资助项目(60576038) 中国国家自然科学基金 英国皇家学会联合资助项目 天津市"材料物理与化学"重点学科资助项目
关键词 白光有机电致发光器件(OLED) 双层掺杂 液晶显示(LCD)背光源 BAlq TBPe Zn(BTZ)2 Ru-brene white organic light-emitting device(OLED) double doping layer LCD backlighting BAlq TBPe Zn (BTZ)2 Rubrene
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  • 1王树国,华玉林,印寿根,冯秀岚,吴晓明,郑加金,孙媛媛.单层结构白色聚合物电致发光器件制备及其性能[J].光电子.激光,2004,15(6):663-666. 被引量:12
  • 2于文革,徐征,曲崇,徐恩生.基于有机-无机异质结的白色电致发光器件[J].光电子.激光,2004,15(11):1279-1282. 被引量:3
  • 3YU Gui, YIN Shi-wei, LIU Yun-qi, et al. Structures, electronic states,and electroluminescent properties of a Zinc(Ⅱ) 2-(2-Hydroxyphenyl) benzothiazolate complex[J].J Am Chem Soc, 2004,125 : 14816-14824.
  • 4Lim J T,Lee N H,Ahn Y J, et al. White-light-emitting devices based on organic multi layer structure [J]. Current Applied Physics, 2002,2 : 295-298.
  • 5QIU Cheng-feng, CHEN Hai-ying, WONG Man, et al. Dopant emission mechanism and the effects of host materials on the behavior of doped organic light-emitting diodes[J]. IEEE Transactions on Electron Devices, 2002,49:1540-1544.
  • 6Singh S P, Mohapatra Y N. White organic light-emitting diodes based on spectral broadening in electroluminescence due to formation of interfacial exciplexes [J]. Applied Physics Letters, 2005,86 : 1-3.
  • 7Kawabe Y, Abe J. Electron mobility measurement using exciplex-type organic light-emitting diodes[J]. Applied Physics Letters, 2002,81 : 493-495.
  • 8WANG Yuan-min, TENG Feng, XU Zheng, et al. White emission via electroplex formation at poly(N-vinylcarba-zole )/2, 9-dimethyl-4, 7-diphenyl-1, 10-phenanthroline interface [J]. Applied Surface Science, 2004, 236:251-255.
  • 9kim C H, Shinar J. Bright small molecular white organic light-emitting devices with two emission zones [J]. Applied Physics Letters, 2002 ,80: 2201-2203.
  • 10Xie Z Y,Huang J S,Li C N, et al. White light emission induced by confinement in organic multiheterostructures[J].Applied Physics Letters, ]999,75:641-643.

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