An organic electroluminescent display includes an organic electroluminescent device, having a microcavity structure, for emitting light resonating in the microcavity structure; a light-shielding layer having an opening through which a portion of the light emitted from the organic electroluminescent device...http://www.google.de/patents/US7355339?utm_source=gb-gplus-sharePatent US7355339 - Organic electroluminescent display and apparatus including organic electroluminescent display
