A display device includes an anode electrode disposed on a substrate; an insulating layer disposed on the substrate, the insulating layer covering an edge of the anode electrode, and the insulating layer having a first opening overlapping the anode electrode; a thin film layer disposed on the insulating layer, the thin film layer including a tip protruding toward the first opening, and the thin film layer having a second opening defined by the tip; a light-emitting layer disposed on the anode electrode, the light-emitting layer disposed inside of the first opening, and directly contacting the tip of the thin film layer; and a cathode electrode disposed over the light-emitting layer and the thin film layer.

A micro LED display panel and a display device are provided. The micro LED display panel includes: a plurality of micro LED elements each including a first semiconductor layer, a light emitting layer, and a second semiconductor layer stacked from top down; and a plurality of contact pads each arranged between adjacent micro LED elements of a part of the plurality of micro LED elements and conductively coupled to the respective first semiconductor layers of the adjacent micro LED elements.

A micro LED element, a micro LED display panel, and a display device are provided. The micro LED element includes: a first semiconductor layer, a light emitting layer, and a second semiconductor layer stacked from top down, wherein the first semiconductor layer includes: a main part for passing light generated by the light emitting layer; and an extension part for connecting to the extension part of the first semiconductor layer of an adjacent micro LED element; and a metal contact including a plurality of metal particles arranged on or above the extension part of the first semiconductor layer.

A display device includes: a substrate; circuit elements on the substrate; an insulating layer on the circuit elements and defining via holes, each of the via holes overlapping one of the circuit elements; reflective electrodes on the insulating layer and each overlapping one of first to third light-emitting areas; anode electrodes, each on a corresponding one of the reflective electrodes and each overlapping the corresponding reflective electrode; a light-emitting structure on the anode electrodes; a cathode electrode on the light-emitting structure; and via electrodes in the via holes of the insulating layer between the circuit elements and the reflective electrodes to connect the circuit elements and the reflective electrodes to each other, wherein a distance between one reflective electrode and its corresponding anode electrode that overlaps the reflective electrode is different from a distance between another reflective electrode and its corresponding anode electrode that overlaps the other reflective electrode.

The present application relates to a display device. A display device according to an exemplary embodiment of the present disclosure includes a substrate, at least one driving chip disposed on the substrate, a bank disposed on the driving chip, a first electrode disposed on the bank and electrically connected to the at least one driving chip, a light-emitting element disposed on the first electrode, and first and second sidewall diffusion layers laminated around the bank and the light-emitting element, wherein the first sidewall diffusion layer includes a plurality of first fine particles, and the second sidewall diffusion layer includes a plurality of second fine particles having a refractive index different from that of the plurality of first fine particles.

A display device can include a substrate having an optical area in which a detection sensor is disposed, a light emitting element disposed in the optical area, and a transmissive sensor disposed on the light emitting element so that the detection sensor can be disposed in the optical area without changing the density and structure of the subpixel of the display device.

A display device includes a display element layer on a substrate, the display element layer includes an anode electrode and a cathode electrode spaced apart on the substrate, an overcoat pattern on the anode electrode, a light emitting element on the overcoat pattern and including a first end portion adjacent to the overcoat pattern and a second end portion spaced apart from the first end portion, a first transparent electrode layer on the overcoat pattern and electrically connecting the anode electrode to the first end portion of the light emitting element, at least one insulating layer on the first transparent electrode layer and the cathode electrode, and a second transparent electrode layer on the at least one insulating layer and electrically connecting the cathode electrode to the second end portion of the light emitting element.

A display device according to an embodiment includes a lower substrate, a first bonding electrode disposed on the lower substrate, a first light emitting element disposed on the first bonding electrode, a second bonding electrode disposed on the first light emitting element, and a second light emitting element disposed on the second bonding electrode, the second bonding electrode includes a first distributed Bragg reflector including at least one pair of a first transparent conductive layer and a second transparent conductive layer having different refractive indices that are alternately stacked.

The present disclosure provides a display device including: a substrate; a plurality of transistors positioned on the substrate; an insulating layer positioned on the transistors; a light emitting device positioned on the insulating layer and electrically connected to the transistors; a partition wall and a spacer positioned on the insulating layer, and a protective layer on the spacer, the protective layer including an IZO doped with 5 at % to 10 at % of tin. The protective layer reduces pressure on the spacer and minimizes etching of an electrode during formation of the spacer.

Disclosed are a display device and a manufacturing method thereof. The display device may comprise a substrate having a display region and a non-display region outside the display region; a circuit layer including a plurality of lines disposed on the substrate, wherein the plurality of lines are separated with a first insulating layer therebetween; and an second insulating layer including a first contact hole that exposes an uppermost layer line in the display region and a second contact hole that exposes an uppermost layer line in the non-display region, wherein a thickness of the second insulating layer in the non-display region is different from a thickness of the second insulating layer in the display region.