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华南师范大学 物理与电信工程学院,广东 广州,510006
收稿日期:2011-04-08,
修回日期:2011-05-06,
网络出版日期:2011-12-20,
纸质出版日期:2011-12-20
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孙长辉, 李灿灿, 王情伟, 李丰果. TFT-LCD三基色光谱的温度特性[J]. 液晶与显示, 2011,26(6): 746-749
SUN Chang-hui, LI Can-can, WANG Qing-wei, LI Feng-guo. Temperature Characteristics of TFT-LCD Tricolor Spectra[J]. , 2011,26(6): 746-749
利用自行搭建的显微光谱测试平台研究了可见光波长范围内温度对薄膜晶体管液晶显示器(TFT-LCD)透射光谱的影响。测试结果表明:红基色光、绿基色光和蓝基色光的透射率随温度的升高呈现出先升高后下降的趋势
但峰值所对应的温度不同。透射率改变的主要原因是温度的变化引起了液晶折射率的改变以及液晶分子指向矢的扰动
这一扰动导致了光散射的改变
使三基色的透射率发生了变化。
Using the self-built test platform
the influence of the temperature on the transmission spectra of the Thin-Film-Transistor Liquid Crystal Display (TFT-LCD) in visible wavelength is investigated. The results show that the transmissivities of the red
green and blue light first increase and then decrease with the increasing temperature
but the peaks present at different temperatures. The reason is that the refractive index is changed with temperature change
and the scattering is also changed because the director of liquid crystal molecules has fluctuation. Therefore
the transmissivity of tricolor is changed.
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