Organic light-emitting device
An organic light-emitting device includes at least one functional layer for generating electroluminescent radiation, an encapsulation structure formed on or over the at least one functional layer, and a heat conduction layer formed on or over the encapsulation structure. The heat conduction layer includes a matrix material and heat conducting particles embedded in the matrix material.
1. An organic light-emitting device, comprising:
at least one functional layer for generating electroluminescent radiation;
an encapsulation structure formed on or over the at least one functional layer;
a heat conduction layer formed on or over the encapsulation structure, the heat conduction layer having been formed by evaporation and/or sputtering and/or plasma deposition and/or spraying and/or aerosol deposition of at least one heat conducting material; and
a layer for reducing the reflectivity and/or improving the emissivity is formed on or over the heat conduction layer.
2. The organic light-emitting device as claimed in claim 1 , wherein the at least one-heat conducting material comprises a material having a thermal conductivity of at least 200 W/(m·K).
3. The organic light-emitting device as claimed in claim 1 , wherein the at least one heat conducting material comprises at least one of:
a metal;
carbon or a conductive carbon modification or carbon compound; and
silicon or a conductive silicon compound.
4. The organic light-emitting device as claimed in claim 1 , wherein the heat conduction layer is formed directly on the encapsulation structure.
5. The organic light-emitting device as claimed in claim 1 , wherein the encapsulation structure is formed as thin-layer encapsulation.
6. The organic light-emitting device as claimed in claim 1 , wherein the heat conduction layer has a thickness in the range of from approximately 100 μm to approximately 2 mm.
7. The organic light-emitting device as claimed in claim 1 , wherein the heat conduction layer covers the encapsulation structure over its entire surface.
8. The organic light-emitting device as claimed in claim 1 , configured as an organic light-emitting diode.
9. An organic light-emitting device, comprising:
at least one functional layer for generating electroluminescent radiation;
an encapsulation structure formed on or over the at least one functional layer;
a heat conduction layer formed on or over the encapsulation structure, the heat conduction layer having been formed by evaporation and/or sputtering and/or plasma deposition and/or spraying and/or aerosol deposition of at least one heat conducting material; and
at least one additional heat conduction layer, which is formed on or over the heat conduction layer.