| 以新型芴衍生物为发光层的深蓝色叠层电致发光器件 |
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| 引用本文： | 委福祥,方亮,蒋雪茵,张志林.以新型芴衍生物为发光层的深蓝色叠层电致发光器件[J].光电子．激光,2008,19(12). |
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| 作者姓名： | 委福祥 方亮 蒋雪茵 张志林 |
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| 作者单位： | 1. 中国矿业大学材料科学与工程学院,江苏,徐州,221008
2. 上海大学新型显示技术与应用集成教育部重点实验室,上海,201800 |
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| 基金项目： | 国家自然科学基金
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国家重点基础研究发展计划(973计划)
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| 摘 要： | 以新型含氟三联芴(TPFF)作发光层,获得了深蓝色叠层有机电致发光器件.器件的电荷产生层由Li掺杂的电子注入层和高透明的WO3组成.研究发现叠层器件性能与单发光单元器件相比较,其亮度及效率均有大幅提高,叠层器件的最大电流效率达到了2.08 cd/A,器件的CIE色坐标为(0.156,0.078),在相同的电流密度下,叠层器件的效率约为传统器件的2.1倍,同时叠层结构也显著改善了器件的流明效率,在高亮度的情况下,叠层器件的流明效率显著高于传统器件.可见,采用叠层结构是制备高亮度高效率的深蓝色有机发光器件的一种有效方法.
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| 关 键 词： | 有机发光器件 深蓝色发射 叠层 三聚芴衍生物 |
Pure blue tandem OLED based on terfluorenes compounds |
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| WEI Fu-xiang,FANG Liang,JIANG Xue-yin,ZHANG Zhi-lin.Pure blue tandem OLED based on terfluorenes compounds[J].Journal of Optoelectronics·laser,2008,19(12). |
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| Authors: | WEI Fu-xiang FANG Liang JIANG Xue-yin ZHANG Zhi-lin |
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| Affiliation: | WEI Fu-xiang1**,FANG Liang1,JIANG Xue-yin2,ZHANG Zhi-lin2(1.School of Materials Science & Engineering,China University of Mining , Technology,Xuzhou,Jiangsu 221008,China,2.Key Laboratory of Advanced Display , System Application,Ministry of Educaton,Shanghai University,Shanghai 201800,China) |
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| Abstract: | We demonstrate a pure-blue tandem organic light-emitting device(OLED) employing the blue fluorescent emitter,ter(9,9-phenylfluorene) fluoride(TPFF).The charge generation region consists of a Li-doped electron transport layer and a highly transparent WO3 thin film.Highly efficient pure-blue emission is obtained from the device.The maximum luminous efficiency of 2.08cd/A with CIE coordinate of(0.156,0.078) is obtained.The power efficiency of tandem device is also significantly enhanced compared with the singl... |
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| Keywords: | organic light-emitting device pure-blue devices tandem terfluorenes compounds |
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