A display device and a method of manufacturing the same are provided. A display device includes: a substrate, a pixel circuit on the substrate, the pixel circuit including: a gate electrode, a drain electrode, and a source electrode, a vertical LED element on the substrate, the vertical LED element including: a first electrode, an active layer under the first electrode, and a second electrode under the active layer, an encapsulation film surrounding the vertical LED element, the encapsulation film exposing a portion of a side of the second electrode, a first connection electrode electrically connected to the first electrode, and a second connection electrode electrically connected to the second electrode.

A display device and a method of manufacturing the same are provided. A display device includes: a substrate, a pixel circuit on the substrate, the pixel circuit including: a gate electrode, a drain electrode, and a source electrode, a vertical LED element on the substrate, the vertical LED element including: a first electrode, an active layer under the first electrode, and a second electrode under the active layer, an encapsulation film surrounding the vertical LED element, the encapsulation film exposing a portion of a side of the second electrode, a first connection electrode electrically connected to the first electrode, and a second connection electrode electrically connected to the second electrode.

A display apparatus including a display panel including a base substrate and a first pad electrode on a first pad portion of the base substrate, a flexible substrate connected to the first pad portion, and a driving chip electrically connected to the flexible substrate. The flexible substrate includes a first film layer, a first wiring layer on the first film layer and comprising a plurality of wirings, a second film layer on the first wiring layer, and a second wiring layer on the second film layer and comprising a plurality of wirings. The wirings of the second wiring layer include a first_first wiring and a first_second wiring, the first_first wiring and the first_second wiring extend in a same direction along a same line and are spaced from each other by a gap therebetween. The gap is at an edge of the base substrate in a plan view.

A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.

A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.

A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.

A display device includes a pixel circuit, an insulating layer covering the pixel circuit, a first partition portion which is disposed on the insulating layer and extends in a first direction, a second partition portion which is spaced apart from the first partition portion in a second direction intersecting the first direction and extends in the first direction, a plurality of connection partition portions disposed between the first and second partition portions, where each of the plurality of connection partition portions extends in the second direction, a first electrode disposed on the first partition portion and electrically connected to the pixel circuit, a second electrode disposed on the second partition portion, and a light emitting element disposed between the plurality of connection partition portions and electrically connected to the first electrode and the second electrode.

A light-emitting element package is provided. The light-emitting element package includes light-emitting structures spaced from each other, the light-emitting structures including first, second and third light-emitting structures, each of the light-emitting structures being configured to emit light of a first color; a first wavelength conversion layer provided on the first light-emitting structure at a first position corresponding to the first light-emitting structure, the first wavelength conversion layer being configured to convert light of the first color into light of a second color; a first oxide film provided on the first wavelength conversion layer; and a second wavelength conversion layer disposed in the first oxide film at a second position corresponding to the second light-emitting structure, the second wavelength conversion layer being configured to convert light of the first color into light of a third color. The first wavelength conversion layer and the second wavelength conversion layer have different structures.

Solid state lighting (“SSL”) devices with improved contacts and associated methods of manufacturing are disclosed herein. In one embodiment, an SSL device includes an SSL structure having a first semiconductor material, a second semiconductor material spaced apart from the first semiconductor material, and an active region between the first and second semiconductor materials. The SSL device also includes a first contact on the first semiconductor material and a second contact on the second semiconductor material, where the first and second contacts define the current flow path through the SSL structure. The first or second contact is configured to provide a current density profile in the SSL structure based on a target current density profile.

Solid state lighting (“SSL”) devices with improved contacts and associated methods of manufacturing are disclosed herein. In one embodiment, an SSL device includes an SSL structure having a first semiconductor material, a second semiconductor material spaced apart from the first semiconductor material, and an active region between the first and second semiconductor materials. The SSL device also includes a first contact on the first semiconductor material and a second contact on the second semiconductor material, where the first and second contacts define the current flow path through the SSL structure. The first or second contact is configured to provide a current density profile in the SSL structure based on a target current density profile.