Organic light emitting diode display device

An organic light emitting diode display device, comprising:

• a lower substrate that includes a first module region and a display region that surrounds the first module region, wherein the first module region includes sub-pixel regions and transmissive regions and the display region includes the sub-pixel regions;
• a planarization layer disposed on the lower substrate;
• a plurality of lower electrodes respectively disposed on a top surface of the planarization layer in the sub-pixel regions in the first module region;
• a pixel defining layer disposed on the planarization layer and that covers both sides of each of the lower electrodes in the first module region, wherein the pixel defining layer includes an opening that exposes a top surface of the planarization layer in each of the transmissive regions in the first module region;
• a light emitting layer disposed on the lower electrodes, wherein the light emitting layer includes a first opening formed between two adjacent lower electrodes;
• an upper electrode disposed on the light emitting layer, wherein the upper electrode includes a second opening that overlaps the first opening;
• a lower spacer disposed in the opening of the pixel defining layer and on the planarization layer in each of the transmissive regions in the first module region;
• and
• a first functional module disposed on a bottom surface of the lower substrate in the first module region.