Self-light emitting display device

A self-light emitting display device, comprising:

• at least one pixel, each pixel including first, second and third regions adjacent to one another;
• blue walls spaced apart from each other, dividing the first, second and third regions and configured to reflect and scatter blue light;
• a blue light-emitting layer configured to output the blue light and including a first blue light-emitting unit disposed between the blue walls in the first region, a second blue light-emitting unit disposed between the blue walls in the second region and a third blue light-emitting unit disposed between the blue wall in the third region;
• a color conversion layer disposed over the blue light-emitting layer and including a green conversion unit disposed between the blue walls in the first region and configured to convert the blue light into green light, and a red conversion unit disposed between the blue walls in the second region and configured to convert the blue light into red light;
• and
• a white resin layer disposed between the blue walls in the third region and configured to transmit the blue light.