A display device, comprising: a substrate including a wiring electrode; an adhesive layer disposed on the substrate; a plurality of semiconductor light emitting devices adhered to the adhesive layer, and electrically connected to the wiring electrode; and a phosphor layer disposed to cover the plurality of semiconductor light emitting devices at a position implementing at least one of a red pixel and a green pixel, wherein the phosphor layer includes a plurality of phosphor portions for converting a wavelength of light, and a plurality of partition wall portions formed between the plurality of phosphor portions, and wherein the plurality of partition wall portions includes a light transmitting material in a space surrounded by metal thin films and are sequentially disposed between the phosphor portions along a first direction and a second direction, which cross each other, and wherein at least one of the sequentially disposed plurality of partition wall portions overlaps with at least one of the plurality of semiconductor light emitting devices at a portion implementing a blue pixel wherein the phosphor portions comprise: red phosphor portions deposited at a position implementing a red pixel and green phosphor portions deposited at a position implementing a green pixel, wherein the plurality of partition wall portions comprises: a first partition wall portion disposed to cover between the plurality of semiconductor light emitting devices, and a second partition wall portion disposed to cover at least one of the semiconductor light emitting devices, and wherein the at least one of the plurality of semiconductor light emitting devices covered by the second partition wall portion comprises a blue semiconductor light emitting device, wherein the light transmitting material overlaps with the blue semiconductor light emitting device at a portion corresponding to the blue pixel, and wherein a width of each of the first partition wall portion and the second partition wall portion varies in a horizontal direction or in a vertical direction, so that the red phosphor portions, the green phosphor portions and the second partition wall portion have different sizes, respectively. a substrate including a wiring electrode; an adhesive layer disposed on the substrate; a plurality of semiconductor light emitting devices adhered to the adhesive layer, and electrically connected to the wiring electrode; and a phosphor layer disposed to cover the plurality of semiconductor light emitting devices at a position implementing at least one of a red pixel and a green pixel, wherein the phosphor layer includes a plurality of phosphor portions for converting a wavelength of light, and a plurality of partition wall portions formed between the plurality of phosphor portions, and wherein the plurality of partition wall portions includes a light transmitting material in a space surrounded by metal thin films and are sequentially disposed between the phosphor portions along a first direction and a second direction, which cross each other, and wherein at least one of the sequentially disposed plurality of partition wall portions overlaps with at least one of the plurality of semiconductor light emitting devices at a portion implementing a blue pixel wherein the phosphor portions comprise: red phosphor portions deposited at a position implementing a red pixel and green phosphor portions deposited at a position implementing a green pixel, wherein the plurality of partition wall portions comprises: a first partition wall portion disposed to cover between the plurality of semiconductor light emitting devices, and a second partition wall portion disposed to cover at least one of the semiconductor light emitting devices, and wherein the at least one of the plurality of semiconductor light emitting devices covered by the second partition wall portion comprises a blue semiconductor light emitting device, wherein the light transmitting material overlaps with the blue semiconductor light emitting device at a portion corresponding to the blue pixel, and wherein a width of each of the first partition wall portion and the second partition wall portion varies in a horizontal direction or in a vertical direction, so that the red phosphor portions, the green phosphor portions and the second partition wall portion have different sizes, respectively. a first partition wall portion disposed to cover between the plurality of semiconductor light emitting devices, and a second partition wall portion disposed to cover at least one of the semiconductor light emitting devices, and wherein the at least one of the plurality of semiconductor light emitting devices covered by the second partition wall portion comprises a blue semiconductor light emitting device, wherein the light transmitting material overlaps with the blue semiconductor light emitting device at a portion corresponding to the blue pixel, and wherein a width of each of the first partition wall portion and the second partition wall portion varies in a horizontal direction or in a vertical direction, so that the red phosphor portions, the green phosphor portions and the second partition wall portion have different sizes, respectively.