Soft materials such as elastomers and liquid crystals have attracted a lot of interest because of promising application to flexible electronic devices. However, large bending of such devices still deteriorates their performance. In order to design flexible electronic devices with high mechanical durability, it is indispensable to understand the bending behavior of soft materials. In this study, we report bending analysis of a silicone elastomer through internal strain measurement with a cholesteric liquid crystal strain sensor.
