Patent ID: 9111886
Filing Date: 2015-08-18
Classification: H01L

Abstract:
1. A method of repairing a defect of an organic EL display, the organic EL display including a substrate and a plurality of organic EL devices disposed on the substrate in a matrix pattern, the method comprising: forming, on the substrate, banks for defining an organic layer; applying a solution of organic material in a region defined by the banks, to form the organic layer; detecting a defect of the organic layer; removing the defect; forming, in the organic layer, a depression horizontally adjacent to a space formed by removing the defect or a protrusion on a part of the organic layer, the part being horizontally adjacent to the space, the depression being composed of a plurality of grooves or holes in the organic layer and not opened to the space, the protrusion being a partition wall around the region; and reapplying the solution of organic material in the region from which the defect has been removed.