Patent ID: 8030647
Filing Date: 2011-10-04
Classification: H01L

Abstract:
1. A light emitter comprising two electrodes facing each other and at least one organic layer capable of emitting light, wherein the organic layer comprises at least a first part and a second part that are placed between the same two electrodes, the first part of the organic layer having a lower level of doping than the level of doping of the second part of the organic layer, wherein a thickness and/or a composition of the first part are/is different from said thickness and/or said composition of the second part, said thickness being defined between the two electrodes, wherein the organic layer comprises two ends, the first part of the organic layer being placed at one end of the organic layer and a second part of the organic layer being placed at the other end of the organic layer, and wherein the organic layer extends continuously between the two ends.