Organic light-emitting diode, planar, optically active element with a contact arrangement and method for producing an organic light-emitting diode

摘要

Organic light-emitting diode (1) comprising - a layer stack (2) comprising at least one organic layer (3) for emitting electromagnetic radiation (6), wherein the layer stack (2) has a first surface and a second surface opposite the first surface, - a electrically conductive first connection layer (4) which is arranged on the first surface of the layer stack (2) and is electrically connected thereto, and an electrically conductive second connection layer (5) which is at least predominantly transparent for a characteristic wavelength of the emissable electromagnetic radiation (6) ), which is arranged on the second surface of the layer stack (2) and electrically connected thereto, wherein on the layer stack (2) opposite side of the first connection layer (4) one of these electrically insulated, conductive contact structure (7) is, - the first connection layer (4) has a plurality of recess - the second connection layer is electrically connected to the contact structure in the region of the plurality of recesses of the first connection layer, the contact structure is at least one first insulation layer ) and an electrically conductive third connection layer (8), wherein the third connection layer (8) is a conductor layer, which is applied in a planar manner on the insulation layer (9) and is thus electrically insulated from the first connection layer (4) and arranged on this surface in that the first insulation layer (9) is in direct physical contact with the side of the first connection layer (4) facing away from the layer stack (2), and the third connection layer (8) is in direct physical contact with the side of the first connection layer (4) first insulation layer (9) is, - the first insulating layer (9) is designed as an electrically insulating carrier substrate and a plurality of recesses (13) has, which is associated with the plurality of recesses (12) of the first connection layer (4), - in the layer stack (2) a plurality of contact elements (11) is arranged, which of the plurality of recesses (12) of the first connection layer (4) is assigned and the second connection layer (5) electrically connected to the contact structure (7), - the contact elements (11) are arranged for uniform supply of the second connection layer (5) with an electrical operating current, - by the multiple electrical contacting of the second connection layer ( 5) a uniform current supply over the entire surface of the organic light emitting diode can be achieved by the contact elements (11), and the second connection layer (5) and the third connection layer (8) are electrically connected by the contact elements (11), wherein the contact elements ( 11) are formed by in the layer stack (2) introduced metal pins.