Patent ID: 7728514

Claim:
An illumination source comprising: a plurality of OLED layers fabricated on different substrates assembled in a stacked configuration, wherein at least one of the plurality of OLED layers comprises at least one OLED layer segment comprising an active light emitting region and a non-light emitting region, wherein the active light emitting region comprises a plurality of primary light-emitting OLED elements and connecting secondary light emitting OLED elements connecting each of the plurality of primary light emitting OLED elements to at least another primary light emitting OLED element of the plurality of primary light emitting OLED elements, wherein the area of each of the plurality of primary light emitting OLED elements is substantially greater than the area of each of the secondary light emitting OLED elements, and wherein one of the primary light emitting OLED elements of a first OLED layer of the plurality of OLED layers is stacked on one of the secondary light emitting OLED elements of a second OLED layer of the plurality of OLED layers.