Theoretical investigation of Freedericksz transitions in twisted nematics with surface tilt
Theoretical investigation of Freedericksz transitions in twisted nematics with surface tilt
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表面倾斜扭曲向列中 Freedericksz 跃迁的理论研究
DOI：
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发表时间：
1978
期刊：
影响因子：
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通讯作者：
C. Fraser
中科院分区：
文献类型：
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作者：
C. Fraser
通过在两个固体表面上引入相同的小预倾角，可以去除扭曲双折射液晶显示器件中的反向倾斜的补丁。连续统理论被用来研究电场中扭曲的双折射中的这种初始倾斜对Freedericksz转变的影响。特别是，作者描述了可能发生的各种初始对准，并验证了该领域的影响很小，直到它接近对应于一个类似的细胞没有倾斜的阈值。
Patches of reverse tilt in a twisted nematic liquid crystal display device may be removed by inducing the same small angle of pretilt at both solid surfaces. Continuum theory is used to investigate the effect of this initial tilt upon a Freedericksz transition in a twisted nematic in an electric field. In particular, the author describes the various initial alignments that can occur and verify that the field has little influence until it approaches the threshold value corresponding to a similar cell without tilt.