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Rui‐Qing Ma Richard Hewitt Kamala Rajan Jeff Silvernail Ken Urbanik Michael Hack Julie J. Brown 《Journal of the Society for Information Display》2008,16(1):169-175
Abstract— Organic light‐emitting‐device (OLED) devices are very promising candidates for flexible‐display applications because of their organic thin‐film configuration and excellent optical and video performance. Recent progress of flexible‐OLED technologies for high‐performance full‐color active‐matrix OLED (AMOLED) displays will be presented and future challenges will be discussed. Specific focus is placed on technology components, including high‐efficiency phosphorescent OLED technology, substrates and backplanes for flexible displays, transparent compound cathode technology, conformal packaging, and the flexibility testing of these devices. Finally, the latest prototype in collaboration with LG. Phillips LCD, a flexible 4‐in. QVGA full‐color AMOLED built on amorphous‐silicon backplane, will be described. 相似文献
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Fushan Li Zhixiao Lin Beibei Zhang Yongzhi Zhang Chaoxing Wu Tailiang Guo 《Organic Electronics》2013,14(9):2139-2143
Graphene/Ag/Al-doped zinc oxide (AZO) multilayer films were fabricated by using chemical vapor deposition and magnetron sputtering methods. The electrical and optical properties of the transparent conductive graphene/Ag/AZO films were investigated. The graphene/Ag/AZO film can maintain high conductivity and transmittance without obvious degradation during bending test. A green flexible organic light emitting diode with a structure of graphene/Ag/AZO/N,N-diphenyl-N,N-bis(1-napthyl)-1,1-biphenyl-4,4-diamine/tris(8-hydroxyquinoline) aluminum(III)/lithium fluoride/Al exhibited a stable green emission and light-emitting efficiency during the cycle bending test. The multilayer films hold promise for application in flexible optoelectronic devices. 相似文献
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采用碳纳米管导电薄膜作为OLED的阳极 总被引:1,自引:1,他引:0
采用碳纳米管(CNT)替代ITO作为OLED阳极可以 解决ITO薄膜存在的可弯曲性能差,可靠性低等缺 点,使得柔性显示成为可能。本文采用混合型CNT导电薄膜作为阳极,探讨了CNT薄膜的制备 工艺、掺 杂方式及表面修饰等因素对绿光OLED性能的影响。实验结果表明,P型掺杂对CNT薄 膜的导电性能影响 有限;而PEDOT修饰层可以很好的提高CNT导电薄膜的平整度;此外,采用“十字交叉 ”的阳极形状有助于降低 阳极拐角处毛刺。通过优化器件各参数,制备的PET/CNTs/PEDOT/NPB/ALq3/LiF/Al绿光OL ED发光效率达 到了195 cd/m2,结果表明采用混合型CNT作为OLED阳极是可行的。 相似文献
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有机发光二极管(organic light emitting diodes, OLEDs)可以柔性制备,在未来的可穿戴应用上有广阔的发展前景,而柔性透明电极(flexible transparent electrode, FTE)的性能直接影响着柔性OLED的性能。本文基于银纳米线(AgNWs)和聚(3,4-乙烯二氧噻吩)∶聚苯乙烯磺酸(PEDOT∶PSS)制备了FTE,并采用甲醇浸渍、氩等离子处理、紫外辐射3种不同的方式对该电极进行处理,优化FTE的光电性能。研究发现:甲醇浸渍,可减少AgNWs上聚合物的包覆;等离子体处理和紫外辐射,可对AgNWs进行焊接;而两种方式的协同作用则可以对FTE的光电性能进一步优化。实验获得最优FTE的方阻为14.18Ω/sq,在550 nm处的透过率可达到84%以上。经过500次弯曲测试后,FTE的方阻变化率低于15%。本文的工作对FTE的制备及优化提供了可行性方案。 相似文献
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Ruiqing Ma Kamala Rajan Jeff Silvernail Ken Urbanik Jason Paynter Prashant Mandlik Mike Hack Julie J. Brown Juhn‐Suk Yoo Sang‐Hoon Jung Yong‐Chul Kim Soo‐Young Yoon Chang‐Dong Kim In‐Byeong Kang Yong‐Kee Hwang In‐Jae Chung Keith Tognoni Robert Anderson David Huffman 《Journal of the Society for Information Display》2010,18(1):50-56
Abstract— Work on the world's first wrist‐worn communications device built on a flexible, low‐power‐consumption full‐color AMOLED using phosphorescent OLEDs is presented. The device offers the wearer the ability to see high‐information‐content video‐rate information in a thin‐and‐rugged‐form‐factor 4‐in. QVGA display, conformed around a human wrist. 相似文献
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首先,介绍了传统柔性有机发光二极管(FOLED)的基本结构及缺点.其次,对氧化铟锡(ITO)玻璃应用于FOLED生产的局限性进行了阐述.然后将碳纳米管(CNT)与ITO薄膜进行了对比,对碳纳米管应用于FOLED制备的可行性进行了分析,并对碳纳米管生产及器件的制备进行了说明.对碳纳米管的分类以及分离进行了简要阐述,着重分... 相似文献
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