根据液晶动力学理论研究了π型液晶盒中从展曲到弯曲的转变过程和转变所需的最小电压.在低电压驱动情况下,具有非对称预倾角度的展曲结构转变为非对称状态;在高于转变电压的脉冲作用下,再转变成为弯曲结构.结果表明,转变电压随着锚定强度的增加而增加,随着表面黏滞系数的增加而增加,随着预倾角度的增加而减小.使用本文提出的方法得到的转变时间比其他方法要快得多,可以小于50 ms.
参考文献
[1] | Miyashita T,Vetter P,Suzuki M,et al.Wide viewing angle display mode for active matrix LCD using bend alignment liquid crystal cell[C]//Proceedings of the 13th International Display Research Conference (Eurodisplay'93),Strasburg,France:SID,993:149-152. |
[2] | Bos P J,Koehler-Beran K R.The pi-cell:A fast liquid crystal,optical switching device[J].Molecular Crystals and Liquid Crystals,1984,133(1):329-339. |
[3] | Noguchi M,Nakamura H.The phase initialization in the Pi-cell[C]//SID'97 Digest,Santu Ana,CA:SID,1997,28:739-742. |
[4] | Lee C H,Chang H S,Lyu J J,et al.High performance 17.0" SVGA OCB panel with fast initial bens transition[C]//Digest of SID,Boston,USA:SID,2002,570-573. |
[5] | Inoue I,Miyashita T,Uchida T,et al.New solution toward splay-to-bend transition in OCB mode having a twisted area[C]//Proceedings of the 22th International Display Reseroh Conference(Eurodisplay'02),Nice,France:SID,2002:179-182. |
[6] | Jhun C G,Chen C P,Lee U J,et al.Tristate liquid crystal display with memory and dynamic operating modes[J].Appl.Phys,Lett.,2006,89(1-3):123507(1-3). |
[7] | Mi X D,Xu M,Yang D K,et al.Effects of pretilt angle on electro-optical properties of p-Cell LCDs[C]//Digest of SID,SanJose,USA:SID,1999:24-27. |
[8] | Watson P,Bos P J,Gandhi J,et al.Optimization of bend cells for field-sequential color microdisplay applications[C]//Digest of SID,SanJose,USA:SID,1999:994-997. |
[9] | Sun Y,Ma H,Li Z,et al.Critical voltage of p-Cell liquid crystal displays[J].Jpn.J.Appl.Phys.,2006,45(7):5810-5811. |
[10] | Brimicombe P D,Raynes E P.Symmetric H state lifetime in splayed nematic liquid crystal devices[J].Appl.Phys.Lett.,2006,89(3):031121(1-3). |
[11] | Ruan L Z,Sambles J R.Leaky-wave exploration of two-stage switch-on in a nematic pi-cell[J].Appl.Phys.Lett.,2005,86(5):052502(1-3). |
[12] | Brimicombe P D,Raynes E P.The influence of flow on symmetric and asymmetric splay state relaxations[J].Liq.Cryst.,2005,32(10):1273-1283. |
[13] | Xu P,Chigrinov V,Kiselev A D.Optical response of a nematic liquid crystal cell at the splay-bend transition:a model and dynamic simulation[J].Liq.Cryst.,2005,32(6):699-706. |
[14] | Rapini A,Papoular M.Distorsion d'une lamelle nèmatique sous champ magnètique conditions d'ancrage aux parois[J].J.Phys.(Paris) Colloq.,1969,30(1):C4-54-56. |
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