An organic light emitting device comprising: a substrate ; a first electrode provided on the substrate , and including two or more conductive units provided to be separated from each other and a conductive connection connected to the conductive units ; an auxiliary electrode provided on the substrate , and disposed to be separated from the conductive units ; an insulation layer provided on the conductive connection or the auxiliary electrode , and including one or more contact holes exposing one region of the conductive connection or the auxiliary electrode ; a second electrode provided opposite to the first electrode ; and one or more organic material layers provided between the first electrode and the second electrode , wherein the conductive connection is electrically connected to the auxiliary electrode through the contact holes ; characterized in that the conductive connection includes two or more high resistance regions in which a length of a current flowing direction is longer than a width of a direction vertical thereto, such that when any one high resistance region of the conductive connection connected to a conductive unit is disconnected, the conductive unit normally operates by the remaining high resistance regions , wherein each of the conductive units is electrically connected to an auxiliary electrode by a high resistance region having the lowest resistance value among the two or more high resistance regions, wherein the two or more high resistance regions of the conductive connection follow a contour of the auxiliary electrode , and wherein the high resistance region includes a region in which a ratio of the length and the width is 10:1 or greater. a substrate ; a first electrode provided on the substrate , and including two or more conductive units provided to be separated from each other and a conductive connection connected to the conductive units ; an auxiliary electrode provided on the substrate , and disposed to be separated from the conductive units ; an insulation layer provided on the conductive connection or the auxiliary electrode , and including one or more contact holes exposing one region of the conductive connection or the auxiliary electrode ; a second electrode provided opposite to the first electrode ; and one or more organic material layers provided between the first electrode and the second electrode , wherein the conductive connection is electrically connected to the auxiliary electrode through the contact holes ; characterized in that the conductive connection includes two or more high resistance regions in which a length of a current flowing direction is longer than a width of a direction vertical thereto, such that when any one high resistance region of the conductive connection connected to a conductive unit is disconnected, the conductive unit normally operates by the remaining high resistance regions , wherein each of the conductive units is electrically connected to an auxiliary electrode by a high resistance region having the lowest resistance value among the two or more high resistance regions, wherein the two or more high resistance regions of the conductive connection follow a contour of the auxiliary electrode , and wherein the high resistance region includes a region in which a ratio of the length and the width is 10:1 or greater. <EOS>