Alignment properties of liquid crystal on DLC film using ion beam

► With increasing the ion doses, the intensity of D peak was increased up to 7×1015 ions/cm2 ► The pre-tilt angle of LC cell by ion beam method was smaller, such as 0.04-0.578° ► The response time of TN cell using ion beam at 3-5×1015 ions/cm2 was around 10 ms. ► The optimum ion beam condition for liquid crystal alignment was 3 keV, 3-5×1015 ions/cm2.