An organic light emitting display device, comprising: a substrate ; an anode electrode on the substrate; an auxiliary electrode on the substrate in a same layer as the anode electrode ; a partition supporter on the auxiliary electrode ; a partition on the partition supporter ; an organic emitting layer on the anode electrode and on the partition such that portions separated on the partition are separated from other portions; a cathode electrode connected with the organic emitting layer and the auxiliary electrode ; a bank for exposing the auxiliary electrode ; an auxiliary electrode open area for exposing the auxiliary electrode between a lateral surface of the partition and a lateral surface of the bank ; a gap space between a lower surface of the partition and the auxiliary electrode by use of the partition supporter , wherein the cathode electrode is connected to the auxiliary electrode via the auxiliary electrode open area and the gap space ; wherein a lower surface of the partition supporter includes: a pair of short sides ; and a pair of long sides connecting the pair of short sides and including at least one inclined surface, wherein a lateral surface of the partition supporter includes: a first partition supporter area having a first height; and a second partition supporter area having a second height, and wherein the second height is larger than the first height; characterised in that the gap space has a first height in the first partition supporter area and a second height in the second partition supporter area , and in that the first height is different from the second height; wherein a height of the gap space gradually increases from the first height to the second height. an anode electrode on the substrate; an auxiliary electrode on the substrate in a same layer as the anode electrode ; a partition supporter on the auxiliary electrode ; a partition on the partition supporter ; an organic emitting layer on the anode electrode and on the partition such that portions separated on the partition are separated from other portions; a cathode electrode connected with the organic emitting layer and the auxiliary electrode ; a bank for exposing the auxiliary electrode ; an auxiliary electrode open area for exposing the auxiliary electrode between a lateral surface of the partition and a lateral surface of the bank ; a gap space between a lower surface of the partition and the auxiliary electrode by use of the partition supporter , wherein the cathode electrode is connected to the auxiliary electrode via the auxiliary electrode open area and the gap space ; wherein a lower surface of the partition supporter includes: a pair of short sides ; and a pair of long sides connecting the pair of short sides and including at least one inclined surface, a pair of short sides ; and a pair of long sides connecting the pair of short sides and including at least one inclined surface, wherein a lateral surface of the partition supporter includes: a first partition supporter area having a first height; and a second partition supporter area having a second height, and a first partition supporter area having a first height; and a second partition supporter area having a second height, and wherein the second height is larger than the first height; characterised in that the gap space has a first height in the first partition supporter area and a second height in the second partition supporter area , and in that the first height is different from the second height; wherein a height of the gap space gradually increases from the first height to the second height. <EOS>