Light-emitting device including a plurality of pixels configured to emit the same color

A light-emitting device comprising:

• a body portion;
• and
• a light-emitting portion arranged in the body portion and configured to emit light to outside,
• wherein:
• the light-emitting portion comprises:
• a plurality of pixels;
• and
• a pixel defining layer defining an emission area of each of the plurality of pixels;
• all of the pixels in the light-emitting portion emit light of a same color;
• at least two of the plurality of pixels emit pieces of light having different wavelengths from each other;
• and
• an auxiliary layer of an intermediate layer in each of the plurality of pixels is arranged on at least two pixels adjacent to each other among the plurality of pixels and the pixel defining layer between adjacent pixels.