A display device includes a first electrode above a substrate, a second electrode above the substrate, and spaced apart from the first electrode in a first direction, an inorganic light-emitting element in a first auxiliary pixel area, above the first electrode, and connected to the first electrode, an organic light-emitting layer above the substrate, in a second auxiliary pixel area spaced apart from the first auxiliary pixel area in the first direction, and covering the second electrode, and a third electrode above the organic light-emitting layer.

A display device includes a first electrode above a substrate, a second electrode above the substrate, and spaced apart from the first electrode in a first direction, an inorganic light-emitting element in a first auxiliary pixel area, above the first electrode, and connected to the first electrode, an organic light-emitting layer above the substrate, in a second auxiliary pixel area spaced apart from the first auxiliary pixel area in the first direction, and covering the second electrode, and a third electrode above the organic light-emitting layer.

An ink for manufacturing a display device includes a solvent; and light emitting elements disposed in the solvent, wherein the light emitting elements include a first semiconductor layer including a first type of semiconductor and a second semiconductor layer including a second type of semiconductor, and an electrical conductivity of the ink is about 1.5 S/m or less. Also provided are a method of manufacturing a display device using the ink and a display device manufactured by the method.

An ink for manufacturing a display device includes a solvent; and light emitting elements disposed in the solvent, wherein the light emitting elements include a first semiconductor layer including a first type of semiconductor and a second semiconductor layer including a second type of semiconductor, and an electrical conductivity of the ink is about 1.5 S/m or less. Also provided are a method of manufacturing a display device using the ink and a display device manufactured by the method.

Display structures and methods of fabrication are described. In an embodiment, a display structure includes an array of pixel driver chips embedded in an insulation layer, a redistribution layer (RDL) over and in electrical contact with the array of pixel driver chips, and an array of light emitting diodes (LEDs) over and in electrical contact with the RDL, where the array of LEDs includes different groups of LEDs designed for different wavelength emission spectra, and the top surfaces of the LEDs are coplanar.

Display structures and methods of fabrication are described. In an embodiment, a display structure includes an array of pixel driver chips embedded in an insulation layer, a redistribution layer (RDL) over and in electrical contact with the array of pixel driver chips, and an array of light emitting diodes (LEDs) over and in electrical contact with the RDL, where the array of LEDs includes different groups of LEDs designed for different wavelength emission spectra, and the top surfaces of the LEDs are coplanar.

A display apparatus includes a substrate having a display area and a non-display area surrounding the display area, a pixel circuit layer on the substrate, the pixel circuit layer including a pixel circuit and a planarization layer covering the pixel circuit, a first main pixel electrode on the planarization layer, a peripheral pixel electrode on the planarization layer, the peripheral pixel electrode being spaced from the first main pixel electrode and surrounding the first main pixel electrode in a plan view, a bank layer including a first opening exposing a central portion of the first main pixel electrode, a first intermediate layer corresponding to the first main pixel electrode and arranged within the first opening, and an opposite electrode covering the bank layer and the first intermediate layer.

A display apparatus includes a substrate having a display area and a non-display area surrounding the display area, a pixel circuit layer on the substrate, the pixel circuit layer including a pixel circuit and a planarization layer covering the pixel circuit, a first main pixel electrode on the planarization layer, a peripheral pixel electrode on the planarization layer, the peripheral pixel electrode being spaced from the first main pixel electrode and surrounding the first main pixel electrode in a plan view, a bank layer including a first opening exposing a central portion of the first main pixel electrode, a first intermediate layer corresponding to the first main pixel electrode and arranged within the first opening, and an opposite electrode covering the bank layer and the first intermediate layer.

Disclosed are a display panel and a display device. The display panel is provided with an display region and a peripheral region, and includes a display substrate and at least one alignment mark disposed in the peripheral region. The display substrate is sequentially provided with a first packaging layer, a light-shielding layer, and a second packaging layer at a side, distal to the base substrate, of a second electrode layer. The light-shielding layer is provided with an opening hole, and a distance between a medial edge of the opening hole and a first end of the light-shielding layer is greater than a distance between a lateral edge of the opening hole and a second end of the light-shielding layer.

Disclosed are a display panel and a display device. The display panel is provided with an display region and a peripheral region, and includes a display substrate and at least one alignment mark disposed in the peripheral region. The display substrate is sequentially provided with a first packaging layer, a light-shielding layer, and a second packaging layer at a side, distal to the base substrate, of a second electrode layer. The light-shielding layer is provided with an opening hole, and a distance between a medial edge of the opening hole and a first end of the light-shielding layer is greater than a distance between a lateral edge of the opening hole and a second end of the light-shielding layer.