Experimental design to measure the anchoring energy on substrate surface by using the alternating-current bridge

Hao Hui-Ming¹, Liu Yao-Yao¹, Zhang Ping¹, Cai Ming-Lei^{2, 3}, Wang Xiao-Yan^{2, 3}, Zhu Ji-Liang¹, Ye Wen-Jiang^{1, †}

Director distribution under the anchoring energy coefficient of 10 J/m for different applied voltages; the applied voltage increases from 0 V to 10 V with a voltage step of 1 V along the arrow direction: (a) tilt angle and (b) twist angle.