Barrier layer, composite article comprising the same, electroactive device, and method

摘要

A composite article (10) comprising a substrate (14) and method for making the composite article (10) are provided. A barrier layer (16) is disposed on at least one surface of the substrate (14), wherein the barrier layer (16) comprises a barrier coating and at least one repair coating disposed on the barrier coating. The repair coating is a conformal coating and comprises a metal or a metal based compound. An electroactive device and in one particular embodiment a light emitting device comprising the composite article (10) are also provided. In another embodiment the invention comprises a barrier layer (16) disposed on at least one surface of a substrate (14); wherein the barrier layer (16) comprises a barrier coating and at least one repair coating.