Measurement of Tactile Sensation of Touch Panel Surface

Abstract

In recent years, the information terminal using a touch panel has become widespread. Touch panel is a device that people touches directly. Therefore, touch feeling of touch panels is important. However, methods for evaluating touch feeling of touch panel surfaces have not been established. In this study, an objective evaluation method for touch feeling of touch panel surface is established based on the tactile sensor system developed in previous studies. Firstly, the sensory evaluations for touch panel samples with different surface treatments were conducted. Next, touch panel surfaces were measured by using tactile sensor system, and evaluation parameters by using sensor output were calculated in order to evaluate touch feeling. Finally, the evaluation parameters were compared with the results of sensory evaluation. As a result, it was confirmed that the tactile sensory system is useful to evaluate the touch feeling of touch panel surface objectively.