A display apparatus includes: a substrate; a first wiring on the substrate; and a second wiring on the first wiring and electrically connected to the first wiring, wherein the first wiring and the second wiring comprise an overlapping area in which the first wiring overlaps the second wiring in a plan view, and at least one of the first wiring or the second wiring comprises an opening in the overlapping area.

Disclosed is a light emitting display device and a light emitting display panel. The light emitting display device includes a first column spacer and a second column spacer disposed on a bank layer. The first column spacer has a different shape form the second column spacer, and at least one of the first column spacer and the second column spacer includes a light-shielding material. The column spacer with the light-shielding material is disposed apart from a reflective electrode of a light emitting diode so that a metal component in the reflective electrode is not reacted with a component with the light-shielding material in the column spacer. Light reflected from metal electrodes and external light is blocked by the column spacer so that the light emitting display device with beneficial luminous efficiency is realized.

Disclosed is a light emitting display device and a light emitting display panel. The light emitting display device includes a first column spacer and a second column spacer disposed on a bank layer. The first column spacer has a different shape form the second column spacer, and at least one of the first column spacer and the second column spacer includes a light-shielding material. The column spacer with the light-shielding material is disposed apart from a reflective electrode of a light emitting diode so that a metal component in the reflective electrode is not reacted with a component with the light-shielding material in the column spacer. Light reflected from metal electrodes and external light is blocked by the column spacer so that the light emitting display device with beneficial luminous efficiency is realized.

Provided are a display panel and a display device. In the display panel, a first metal layer has slots provided with electrode connection lines. The electrode connection lines respectively have a first end connected to a sub-pixel and a second end connected to a pixel circuit. The electrode connection lines in a connection-line group include a first connection line and a second connection line, which are located in different slots. In a first direction, first line segments of the first and the second connection lines are located on two sides of a pixel. In at least one connection-line group, the first ends of the first and the second connection lines are staggered in the first direction. The present disclosure can enhance the performance reliability of the display panel.

Provided are a display panel and a display device. In the display panel, a first metal layer has slots provided with electrode connection lines. The electrode connection lines respectively have a first end connected to a sub-pixel and a second end connected to a pixel circuit. The electrode connection lines in a connection-line group include a first connection line and a second connection line, which are located in different slots. In a first direction, first line segments of the first and the second connection lines are located on two sides of a pixel. In at least one connection-line group, the first ends of the first and the second connection lines are staggered in the first direction. The present disclosure can enhance the performance reliability of the display panel.

An image display device includes: a light-transmitting substrate comprising a first surface; a circuit element located on the first surface; a first wiring layer located on the circuit element and electrically connected to the circuit element; a first insulating film covering the circuit element and the first wiring layer on the first surface; a first portion located on the first insulating film and comprising graphene; a light-emitting element located on the first portion; a second insulating film covering at least a portion of the light-emitting element, the first portion, and the first insulating film; a second wiring layer located on the second insulating film and electrically connected to a light-emitting surface facing a surface of the light-emitting element on a side of the first insulating film; and a first via passing through the first insulating film and the second insulating film and electrically connecting the first and second wiring layers.

A display device includes a first pixel circuit disposed on a substrate and a first light-emitting diode electrically connected to the first pixel circuit, the first pixel circuit includes a driving transistor including a driving semiconductor layer and a driving gate electrode, a first initialization transistor including a first initialization semiconductor layer and a first initialization gate electrode and electrically connected to the driving transistor, and a first connection electrode electrically connecting the first initialization semiconductor layer to the driving gate electrode, a semiconductor layer including the first initialization semiconductor layer includes a first extension area extending from a channel area of the first initialization semiconductor layer to the first connection electrode, and the first extension area overlaps a first shield layer disposed under the first initialization semiconductor layer and a second shield layer disposed above the first initialization semiconductor layer.

A display device includes a first pixel circuit disposed on a substrate and a first light-emitting diode electrically connected to the first pixel circuit, the first pixel circuit includes a driving transistor including a driving semiconductor layer and a driving gate electrode, a first initialization transistor including a first initialization semiconductor layer and a first initialization gate electrode and electrically connected to the driving transistor, and a first connection electrode electrically connecting the first initialization semiconductor layer to the driving gate electrode, a semiconductor layer including the first initialization semiconductor layer includes a first extension area extending from a channel area of the first initialization semiconductor layer to the first connection electrode, and the first extension area overlaps a first shield layer disposed under the first initialization semiconductor layer and a second shield layer disposed above the first initialization semiconductor layer.

A display device includes: a substrate; a pixel circuit layer on the substrate; a first connection electrode and a second connection electrode on the pixel circuit layer; a first bump on the first connection electrode, and a second bump on the second connection electrode, the first bump and the second bump including materials having different elastic moduli; and a light-emitting element including a first electrode electrically connected to the first connection electrode and a second electrode electrically connected to the second connection electrode.

A display apparatus includes a circuit board including a driving circuit, a pixel array on the circuit board and including unit pixels, each of the unit pixels including a plurality of subpixels, and a plurality of microlenses respectively on the plurality of subpixels, where the pixel array further includes a plurality of light-emitting diode (LED) cells each respectively including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer that are sequentially stacked, a passivation layer on side surfaces and lower surfaces of the plurality of LED cells, a reflective layer on the passivation layer, the reflective layer configured to emit light toward upper surfaces of the plurality of LED cells, a gap-fill insulating layer on the side surfaces and lower surfaces of the plurality of LED cells, and a first connection electrode on the gap-fill insulating layer, and connected to the first conductivity-type semiconductor layers.