Fig 1 (IMAGE) Singapore University of Technology and Design Caption Image of the free-standing light-emitting thin-film device. Embedded LED chips were wirelessly turned on when the antenna was deformed by a finger. Credit SUTD Usage Restrictions Credit SUTD with use License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.