Patent ID: 9399336
Filing Date: 2016-07-26
CPC Classification: B32B,G02F,H01L,Y10T

Claim Text:
1. A gas barrier substrate comprising: a flexible base material having an upper surface; a first inorganic gas barrier layer disposed on the flexible base material and covering the upper surface, wherein the first inorganic gas barrier layer directly contacts with the upper surface of the flexible base material, a material of the first inorganic gas barrier layer comprises silicon nitride or silicon oxide; and a second inorganic gas barrier layer disposed on the first inorganic gas barrier layer and covering the first inorganic gas barrier layer, wherein a water vapor and oxygen transmission rate of the second inorganic gas barrier layer is lower than a water vapor and oxygen transmission rate of the first inorganic gas barrier layer, the material of the second inorganic gas barrier layer is the same as the material of the first inorganic gas barrier layer, wherein a densification of the second inorganic gas barrier layer is higher than a densification of the first inorganic gas barrier layer, and a thickness of the first inorganic gas barrier layer is greater than a thickness of the second inorganic gas barrier layer.