Organic light emitting display device and method for manufacturing same

A method for manufacturing an organic light emitting display device, the method comprising:

• forming an auxiliary line in a non-pixel region of a base substrate;
• forming an organic light emitting element in a pixel region of the base substrate, forming the organic light emitting element including:
• forming an anode on the base substrate;
• forming an organic light emitting layer on the anode;
• forming a first cathode including a metal and electrically connected to the auxiliary line on the organic light emitting layer;
• and
• forming a second cathode including a transparent conductive oxide and electrically connected to the first cathode on the first cathode;
• forming a cover insulating layer, the covering insulating layer between the base substrate and covering the auxiliary line;
• and
• forming a pixel defining layer on the cover insulating layer, wherein
• forming the cover insulating layer includes forming a first contact hole in the cover insulating layer, the first contact hole overlapping the auxiliary line, and
• forming the pixel defining layer includes a second contact hole in the pixel defining layer, the second contact hole overlapping the first contact hole and the auxiliary line, wherein
• the first cathode is electrically connected to the auxiliary line through the first and second contact holes.

An organic light emitting display device, comprising:

• a base substrate having a pixel region and a non-pixel region;
• an auxiliary line in the non-pixel region;
• and
• a light emitting element in the pixel region, the light emitting element including:
• a first electrode;
• an organic light emitting layer on the first electrode;
• a second electrode on the organic light emitting layer to be electrically connected to the auxiliary line;
• and
• a third electrode on the second electrode to be electrically connected to the second electrode, the second and third electrodes including different materials to each other, wherein one of the second and third electrodes includes a transparent conductive oxide);
• a cover insulating layer, between the base substrate and the first electrode, covering the auxiliary line;
• a pixel defining layer on the cover insulating layer;
• a first contact hole in the cover insulating layer, the first contact hole overlapping the auxiliary line;
• and
• a second contact hole in the pixel defining layer, the second contact hole overlapping the first contact hole and the auxiliary line, wherein
• the second electrode is electrically connected to the auxiliary line through the first and second contact holes.