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采用指向矢连续旋转模式铁电液晶,通过控制上下基板的摩擦方向夹角为135°,在N*-SmC*相变过程中不施加电场,获得了均匀排列.器件的对比度大于70,上升时间和下降时间分别达到587μs和486μs .解决了电场诱导层排列易击穿TFT,残留剩余电荷影响器件性能的难题.由于能够实现良好灰度级,可以满足现代快速彩色显示的需要.
Using the director continuous rotation mode ferroelectric liquid crystal, uniform arrangement was obtained by controlling the angle between the rubbing directions of the upper and lower substrates to be 135 ° and no electric field was applied during the N * -SmC * phase transition. The contrast of the device was greater than 70 and the rise time And fall time of 587μs and 486μs, respectively.It solves the problem that the electric field induced layer is easy to break through the TFT and residual residual charge affects the performance of the device, and can meet the needs of modern fast color display due to good gray level.