Patent ID: 9196874
Filing Date: 2015-11-24
Classification: H01L

Abstract:
1. An organic electroluminescent light-emitting device with a structured pattern of non-emitting and light-emitting areas, the device comprising: a substrate coated at least locally with at least one conductive layer as a first electrode; a stack modification layer on top of the first electrode, the stack modification layer covering first areas and leaving non-covered second areas adjacent to the first areas thereby forming the structured pattern, the stack modification layer being a layer that comprises at least one of a perfluorinated vacuum grease or a perfluorinated vacuum pump oil; an organic layer stack with at least one organic light-emitting layer deposited on top of the first electrode and the stack modification layer, wherein first areas of the organic layer stack are separated from the first electrode by the stack modification layer and second areas of the organic layer stack are in direct electrical contact with the first electrode; and a second electrode on top of the organic layer stack, wherein said second electrode finishes a functional layer stack.