Patent ID: 8912533

Claim:
An organic light emitting display device comprising: a base member; an organic light emitting display unit disposed on the base member and configured to generate an image; a sealing layer configured to seal the organic light emitting display unit, the sealing layer overlapping the organic light emitting display unit; a capping substrate disposed on the sealing layer and having a first metal layer, a second metal layer and a third metal layer, each of the first second and third metal layers overlapping the organic light emitting display unit, the first metal layer being in contact directly with the sealing layer and having at least one groove, wherein the first metal layer includes stainless steel, titanium, or titanium alloy, the second metal layer includes aluminum or aluminum alloy and the third metal layer includes the same matter as the first metal layer; and a moisture absorbent provided in the groove, wherein the second metal layer is disposed between the first metal layer and the third metal layer, and a heat transmission rate of the second metal layer is higher than a heat transmission rate of each of the first and third metal layers.