An organic light emitting device comprising: a first electrode including two or more conductive units and two or more conductive connections connected to each of the conductive units ; a second electrode provided opposite to the first electrode; one or more organic material layers provided between the first electrode and the second electrode ; and a current carrying unit of the first electrode or an auxiliary electrode electrically connecting the conductive connections , wherein one end portion of the conductive connection is electrically connected to the conductive unit , and the other end portion of the conductive connection is electrically connected to the current carrying unit of the first electrode or the auxiliary electrode, and the conductive connection includes a region in which a length of a current flowing direction is longer than a width of a direction vertical thereto, and characterized in that , in current density of any one value from 1 mA/cm 2 to 5 mA/cm 2 , the conductive connection has a resistance value so that both an operating voltage increase rate of the following Equation 1 and a leakage current value with respect to an operating current of the following Equation 2 are 0.03 or less: V t − V o V o I s I t wherein the V t (V) is an operating voltage of an organic light emitting device using a conductive connection and without short defects, the V o (V) is an operating voltage of an organic light emitting device not using a conductive connection and without short defects, V t and V o providing the same current operating in one conductive unit when the organic light emitting device normally operates, the I t (mA) is an operating current of an organic light emitting device using a conductive connection and without short defects, and the I s (mA) is a leakage current in an organic light emitting device using a conductive connection and having short defects in any one conductive unit. a first electrode including two or more conductive units and two or more conductive connections connected to each of the conductive units ; a second electrode provided opposite to the first electrode; one or more organic material layers provided between the first electrode and the second electrode ; and a current carrying unit of the first electrode or an auxiliary electrode electrically connecting the conductive connections , wherein one end portion of the conductive connection is electrically connected to the conductive unit , and the other end portion of the conductive connection is electrically connected to the current carrying unit of the first electrode or the auxiliary electrode, and the conductive connection includes a region in which a length of a current flowing direction is longer than a width of a direction vertical thereto, and characterized in that , in current density of any one value from 1 mA/cm 2 to 5 mA/cm 2 , the conductive connection has a resistance value so that both an operating voltage increase rate of the following Equation 1 and a leakage current value with respect to an operating current of the following Equation 2 are 0.03 or less: V t − V o V o I s I t wherein the V t (V) is an operating voltage of an organic light emitting device using a conductive connection and without short defects, the V o (V) is an operating voltage of an organic light emitting device not using a conductive connection and without short defects, V t and V o providing the same current operating in one conductive unit when the organic light emitting device normally operates, the I t (mA) is an operating current of an organic light emitting device using a conductive connection and without short defects, and the I s (mA) is a leakage current in an organic light emitting device using a conductive connection and having short defects in any one conductive unit. <EOS>