LED display apparatus including partition and gap-fill layer

A display device, comprising:

• a circuit substrate including a driving circuit;
• an LED cell array disposed on the circuit substrate, and including a plurality of LED modules, each of the plurality of LED modules including at least two LED cells, from among a plurality of LED cells of the LED cell array, and an insulator coupling the at least two LED cells to each other;
• a gap-fill layer filling a gap between the plurality of LED modules and not disposed between the at least two LED cells of each of the plurality of LED modules;
• a partition disposed on the LED cell array, and defining a plurality of light emitting windows disposed in regions corresponding to the plurality of LED cells, respectively;
• and
• at least one color conversion layer disposed in at least a portion of the plurality of light emitting windows,
• wherein each LED cell of the plurality of LED cells includes an active layer, a first conductivity-type semiconductor layer on a first side of the active layer of the LED cell that is towards the partition, and a second conductivity-type semiconductor layer that is on a second side of the active layer of the LED cell that is towards the circuit substrate,
• wherein each LED cell of the plurality of LED cells further includes a first electrode and a second electrode that are configured to connect the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, respectively, to the driving circuit,
• wherein each LED cell of the plurality of LED cells comprises a semiconductor stack that comprises the active layer, the first conductivity-type semiconductor layer, and the second conductivity-type semiconductor layer,
• wherein a side portion of a top surface of the semiconductor stack is in direct contact with a bottom surface of the partition,
• wherein a center portion of the top surface of the semiconductor stack is exposed from the partition such that the center portion directly faces towards a light emitting window from among the plurality of light emitting windows, without the partition being between the center portion and the light emitting window,
• wherein a distance, between the plurality of light emitting windows disposed in each of the plurality of LED modules, is the same as a distance between adjacent ones of the plurality of light emitting windows that are from adjacent LED modules from among the plurality of LED modules,
• wherein a first portion of the gap-fill layer disposed between the adjacent LED modules from among the plurality of LED modules has a first width that is different from a second width of a second portion of the gap-fill layer disposed between other adjacent LED modules from among the plurality of LED modules, and
• wherein the first width and the second width are measured at a same vertical level of the display device.