Comparison of Friction Characteristics on TN and VA Mode Alignment Films with Friction Force Microscopy. - Musun Kwak; Hanrok Chung; Hyukmin Kwon; Jehyun Kim; Daekyung Han; Yoonseon Yi; Sangmun Lee; Chulgu Lee; Sooyoul Cha (IEICE Trans. Electron., 2009)