Light emitting device

A light emitting device, comprising:

• a first light emitting element;
• a second light emitting element disposed adjacent to the first light emitting element;
• a first color conversion element disposed on the first light emitting element;
• a second color conversion element disposed on the second light emitting element;
• a pixel defining layer, wherein the first light emitting element and the second light emitting element are segregated by the pixel defining layer;
• a spacer disposed between the first color conversion element and the second color conversion element, and disposed corresponding to the pixel defining layer;
• and
• a black matrix disposed corresponding to the spacer;
• wherein a thickness of the first color conversion element is different from a thickness of the second color conversion element.