S-1 Supporting Information Localized Fretting-Vibrotactile Sensations for Large-Area Displays Quang Van Duong, Vinh Phu Nguyen, Fabrice Domingues Dos Santos, and Seung Tae Choi* Q. V. Duong, V. P. Nguyen School of Mechanical Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-Gu, Seoul 06974, Republic of Korea Dr. F. Domingues Dos Santos Arkema-Piezotech, Arkema-CRRA, Rue Henri Moissan, 69493 Pierre-Benite Cedex, France Prof. S. T. Choi School of Mechanical Engineering, Chung-Ang University, 84 Heukseok-Ro, Dongjak-Gu, Seoul 06974, Republic of Korea Corresponding Authors E-mail: stchoi@cau.ac.kr