根据Erickson-Leslie流体动力学理论,研究了混合排列向列相-共面转换液晶盒的引流效应.在强锚定边界条件下,经过理论推导,得出液晶指向矢与流速的关系方程,进一步通过数值计算得出指向矢分布与时间的关系.发现引流效应加快了指向矢达到平衡态的速度,而且破坏了指向矢分布的瞬态对称性,特别在加电压的初始几毫秒这种现象非常明显.
参考文献
| [1] | Gerritsma C J,Van Doorn C Z,van Zannten P.Transient effects in the electrically controlled light transmission of a twisted nematic layer[J].Phys.Lett.A,1974,48(4):263-264. |
| [2] | Van Doorn C Z.Dynamic behavior of twisted nematic liquid-crystal layers in switched fields[J].J.Appl.Phys.,1975,46(9):3738-3745. |
| [3] | Jewell S A,Samples J R.Back flow in the relaxation of a hybrid aligned nematie cell[J].Appl.Phys.Lett.,2003,82(19):3156-3158. |
| [4] | Lee S H,Lee S L,Kim H Y.Electro-optic characteristics and switching principle of a nematic liquid crystal cell controlled by fringe-field switching[J].Appl.Phys.Lett.,1998,73(20)..2881 (1-3). |
| [5] | Hong S H,Jeong Y H,Kim H Y,et al.Novel nematic liquid crystal device associated with hybrid alignment controlled by fringe field[J].Jpn.J.Appl.Phys.,2001,40..272-274. |
| [6] | Hong S H,Jeong Y H,Kim H Y,et al.Wide-viewing-angle hybrid aligned nematic liquid crystal cell controlled by complex electric field[J].Jpn.J.Appl.Phys.,2002,41:4571-4576. |
| [7] | Kim W C,Jeong Y H,Lee S H.Electrooptic characteristics of a Fringe-field driven hybrid aligned nematic liquid crystal cell using a liquid crystal with positive dielectric anisotropy[J].Jpn.J.Appl.Phys.,2004,43 (2):637-641. |
| [8] | Song J H,Lim Y J,Lee M H,et al.Electro-optic characteristics and switching principle of a single-cell-gap transflective liquid-crystal display associated with in-plane rotation of liquid crystal driven by a fringe-field[J].Appl.Phys.Lett.,2005,87:011108(1-3). |
| [9] | De Gennes P G.The Physics of Liquid Crystals[M].Oxford:Clarendon Press,1993:193 -209. |
| [10] | 张志东,姜丽,魏怀鹏.Backflow in an inverse twisted nematic liquid crystal cell[J].计算物理,2006,23(2):199-203. |
| [11] | 周璇,张志东,孙玉宝.有效粘滞系数对混合排列向列相液晶动力学的影响[J].液晶与显示,2009,24(2):168-173. |
| [12] | 孙玉宝,范志新,张志东.OCB液晶显示的动力学计算[J].液晶与显示,2001,16(1):26-32. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%