A gas barrier film, a display substrate and a display using the gas barrier film. The gas barrier film includes a base material film having a deflection temperature under load of 150° C. or above, and at least a gas barrier layer and a smoothing layer in that order, or a smoothing layer and a gas barrier...http://www.google.com/patents/US7378157?utm_source=gb-gplus-sharePatent US7378157 - Gas barrier film, and display substrate and display using the same
