Temperature Characteristics of TFT-LCD Tricolor Spectra

SUN Chang-hui; LI Can-can; WANG Qing-wei; LI Feng-guo

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Temperature Characteristics of TFT-LCD Tricolor Spectra

Device Technology & Physics | 更新时间：2020-08-12

- Temperature Characteristics of TFT-LCD Tricolor Spectra
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 6, Pages: 746-749(2011)
- 作者机构：
  
  华南师范大学物理与电信工程学院,广东广州,510006
- 作者简介：
- 基金信息：
- DOI：
  CLC： O433.1
- Received：08 April 2011，
  
  Revised：06 May 2011，
  
  Published Online：20 December 2011，
  
  Published：20 December 2011
- 稿件说明：
移动端阅览
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
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 DOI：

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 DOI：

摘要

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。

Abstract

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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references

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