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Liquid crystalline orientation of polyfluorenes for polarized electroluminescence devices

机译:极化电致发光器件用聚芴的液晶取向

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Abstract: Liquid crystalline conjugated polymers have potential applications as inexpensive, easy to process polarized back lights for liquid crystal displays. Two 'Hairy rod' type conjugated polymers have been investigated as polarized light emitting materials. In this paper, we present polarized absorption and photoluminescence for films aligned on rubbed precursor PPV alignment layers. We also report electroluminescence measurements for oriented multi-layer devices with rubbed PPV hole transporting alignment layers that produced polarization ratios of up to 25:1 and a luminance of 250 cd/m$+2$/. Sample preparation, device fabrication and characterization are described. Preliminary investigations have been made into the performance of PPV as an alignment layer with respect to thermal degradation. !10
机译:摘要:液晶共轭聚合物具有潜在的应用,廉价,易于处理液晶显示器的偏振背光。已经研究了两个“毛状棒”型共轭聚合物作为偏振光发光材料。在本文中,我们对摩擦前体PPV取向层上对准的膜呈偏振吸收和光致发光。我们还报告了导向的多层器件的电致发光测量,其具有摩擦的PPV空穴传输对准层,其产生高达25:1的偏振比,亮度为250cd / m $ + 2 $ /。描述样品制备,装置制备和表征。已经进入PPV作为热劣化的对准层的PPV的性能。 !10

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