Patent ID: 8013519

Claim:
An electroluminescent light source comprising: a substrate, a layer structure applied to the substrate for emitting light at least on the side facing away from the substrate, said layer structure comprising at least one electrode as anode, at least one electrode as cathode and at least one organic electroluminescent layer located therebetween, wherein one of the anode and cathode is at least partially transparent and is on a side facing away from the substrate, and an at least partially transparent encapsulation device having a peripheral edge which is glued to the layer structure for forming a closed volume around the layer structure, wherein the closed volume defines an empty space surrounded by the peripheral edge, the closed volume being filled with a liquid including a dielectric fluid which is substantially chemically inert with respect to the layer structure, said fluid containing particles for absorbing parts of the light emitted by the layer structure and for re-emitting light of a different wavelength, a density of said particles being selected such that the particles in the dielectric fluid are in a suspended state in an operational state during use of the electroluminescent light source for providing the light.