Thin film Encapsulations of Flexible Organic Light Emitting Diodes Fa-Ta Tsai, Ching-Kong Chao, Pei-Sin Jhu and Rwei-Ching Chang MATEC Web Conf., 71 (2016) 04001 Published online: 02 August 2016 DOI: 10.1051/matecconf/20167104001