现在对于广视角技术,特别是IPS和FFS的显示模式,由于正性液晶和配套材料技术的成熟性和材料本身的稳定性能,使用正性液晶占绝大多数.但随着对显示器光学性能要求的提高,使用负性液晶的研究逐渐增多,这是由于负性相对正性液晶有较高的穿透率以及较好的画面画质,并能改善颜色偏差.但负性液晶同样也存在诸多缺陷,如需要有较高的驱动电压,存在功耗的问题.另外,实验证明负性液晶使得显示器的残留影像较为严重,材料的稳定性以及其他材料与之搭配性都有待提高.本文通过使用Techwiz软件的模拟和实际样品的测量数据,全面比较了正负液晶在FFS中的光学特性和画质表现,阐述了2种液晶的优缺点,提出了需要改进的建议.
参考文献
| [1] | 白石,王延峰,黄敏,等.LCD触控感应技术发展趋势[J].液晶与显示,2010,25(4):572-575.Bai S,Wang Y F,Huang M,et al.Trend of LCD touch sensor technology[J].Chinese Journal of Liquid Crystal and Display,2010,25(4):572-575.(in Chinese) |
| [2] | Masahito O,Makoto Y,Katsumi K.Switching of negative and positive dielectro-anisotropic liquid crystals by inplane electric fields[J].Journal of Applied Physics,1997,82 (2):528-535. |
| [3] | Ge Z,Wu S T,Lee S H.Wide-view and sunlight readable transflective liquid-crystal display for mobile applications[J].Optics Letters,2008,33 (22):2623-2625. |
| [4] | Koichi M,Kazuki K.The world's first photo alignment LCD technology applied to generation ten factory[C]//SID2010,Washington,USA:Society for Information Display,2010:579-582. |
| [5] | 梁兆颜,宣丽,杨柏梁,等.光控取向弱锚定表面的液晶分子排列[J].液晶与显示,2000,15(1):53-60.Liang Z Y,Xuan L,Yang B L,et al.Liquid crystal molecules alignment on the weak anchoring surface by LPP method[J].Chinese Journal of Liquid Crystal and Display,2000,15 (1):53-60.(in Chinese) |
| [6] | 李永忠,纪伟丰,周炎宏.STN-LCD残影显示的原理分析及实验研究[J].液晶与显示,2011,26(6):733-740.Li Y Z,Ji W F,Zhou Y H.Research of image-retention phenomenon in STN-LCD[J].Chinese Journal of Liquid Crystal and Display,2011,26(6):733-740.(in Chinese) |
| [7] | Ryu J W,Lee J Y,Lim Y J,et al.Analysis of light modulation in the frige-field switching liquid crystal mode[J].Mol.Cryst.Liq.Cryst.,2007,476:239-248. |
| [8] | Jung S H,Kim H Y,Lee M-H,et al.Cell gap-dependent transmission characteristics of a fringe-electric field-driven homogeneously aligned liquid crystal cell,for a liquid crystal with negative dielectric anisotropy[J].Liquid Crystals,2005,32 (2):267-275. |
| [9] | Kyung S H,Pankaj K,Chang W W,et al.Study of Optical bounce according to electrode structure in the fringe-field switching mode using the negative liquid crystal[J].Mol.Cryst.Liq.Cryst,2011,544:69-76. |
| [10] | J un H J,Kyung S H,Mina C,et al.Abnormal behaviour in colour tracking characteristics of the fringe-field switching liquid crystal display[J].Liquid Crystals,2010,37 (3):303-309. |
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