Patent ID: 12015102

Abstract:
A top emitting quantum dot light emitting diode (QLED) apparatus for an emissive display device sub-pixel, with at least one bank defining an emissive region of the emissive display device sub-pixel, includes an emissive layer deposited in the emissive region between a first electrode and a second electrode. The first electrode comprising a reflective metal, and the second electrode has a transparent conductive electrode and an auxiliary electrode. The bank has a sloped portion adjacent the emissive region. The auxiliary electrode includes a reflective conductive metal and is configured to cover the sloped portion, and the sloped portion is configured at an angle, such that the auxiliary electrode reflects internally reflected light out of the sub-pixel in a viewing direction and a first area of the transparent conductive electrode covering the sloped portion is thinner than a second area of the transparent conductive electrode in the emissive region.