ELECTROLUMINESCENT LIGHT EMISSION DEVICE COMPRISING AN OPTICAL LATTICE STRUCTURE AND METHOD FOR MANUFACTURING SAME

Research output: Intellectual Property › Patent application/Patent

Contributors

  • Fraunhofer-Gesellschaft

Abstract

A light emission device includes a substrate and a layer arrangement applied onto the substrate. The layer arrangement has a first electrode layer made of a conductive material and a second electrode layer made of a conductive material. At least one light-emitting layer made of an organic material is arranged between the first and second electrode layers. At least one intermediate layer having an optical lattice structure is provided between the light-emitting layer, a first main surface of the intermediate layer facing the light-emitting layer and the first main surface of the intermediate layer being formed to be planar within a tolerance range at least in the region of the optical lattice structure. The intermediate layer is conductive at least in regions between the first and a second main surface thereof.

Details

A light emission device includes a substrate and a layer arrangement applied onto the substrate. The layer arrangement has a first electrode layer made of a conductive material and a second electrode layer made of a conductive material. At least one light-emitting layer made of an organic material is arranged between the first and second electrode layers. At least one intermediate layer having an optical lattice structure is provided between the light-emitting layer, a first main surface of the intermediate layer facing the light-emitting layer and the first main surface of the intermediate layer being formed to be planar within a tolerance range at least in the region of the optical lattice structure. The intermediate layer is conductive at least in regions between the first and a second main surface thereof.

Original languageEnglish
IPC (International Patent Classification)H01L 51/ 52 A I
Patent numberUS2014103328
Country/TerritoryGermany
Priority date29 Jun 2012
Priority numberWO2012EP62711
Publication statusPublished - 17 Apr 2014
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