An organic electroluminescent display (OELD) device includes first and second substrates facing each other and having a display region and a non-display region on a periphery of the display region, an organic electroluminescent diode in the display region of the first substrate, a protrusion formed with...http://www.google.com.au/patents/US7759864?utm_source=gb-gplus-sharePatent US7759864 - Organic electroluminescent display device comprising moisture preventing sealing structure