New organometallic complexes having bis- or tris-heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed.

The present disclosure provides an organic light emitting diode device and a manufacturing method thereof, a display panel and a display device. The organic light emitting diode device includes: a substrate; and a light emitting component and a first structural layer provided on a side of the substrate, wherein the light emitting component is provided on a side of the first structural layer distal to the substrate, and a light emitting surface of the light emitting component comprises a curved surface recessed towards the substrate, and the curved surface comprises a spherical-cap curved surface or a concave-convex curved surface which is constituted by a plurality of spherical-cap curved surfaces.

A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.

The present application discloses a display panel, a method of manufacturing the display panel and a display device. A display panel, including: a display substrate having a display area and a non-display area, the display substrate including a substrate; a dam on the upper surface of the non-display area of the display substrate; and an encapsulation layer covering the display substrate, wherein the encapsulation layer includes an organic layer, the upper surface of the non-display area of the display substrate is further provided with an isolation column, and a distance between the isolation column and the display area is smaller than a distance between the dam and the display area, the isolation column is at least partially in contact with the organic layer, and the dam is at least partially not in contact with the organic layer.

Disclosed is an array substrate including a base substrate, and a first electrode, a pixel define layer, a light-emitting layer and a second electrode which are sequentially disposed on the base substrate. The pixel define layer has a plurality of openings each having two opposite surfaces. The two opposite surfaces include a first surface proximal to the base substrate and a second surface distal from the base substrate. The second surface is coplanar with a surface of the pixel define layer distal from the base substrate. An orthographic projection of the second surface on the base substrate is within an orthographic projection of the first surface on the base substrate. The pixel define layer includes a pixel define body and an electrode repairing material layer. The electrode repairing material layer is disposed on a side of the pixel define body, and repairs the second electrode.

Disclosed is an array substrate including a base substrate, and a first electrode, a pixel define layer, a light-emitting layer and a second electrode which are sequentially disposed on the base substrate. The pixel define layer has a plurality of openings each having two opposite surfaces. The two opposite surfaces include a first surface proximal to the base substrate and a second surface distal from the base substrate. The second surface is coplanar with a surface of the pixel define layer distal from the base substrate. An orthographic projection of the second surface on the base substrate is within an orthographic projection of the first surface on the base substrate. The pixel define layer includes a pixel define body and an electrode repairing material layer. The electrode repairing material layer is disposed on a side of the pixel define body, and repairs the second electrode.

A display device includes a first display area including a first pixel area; a second display area including a second pixel area and a transmissive area; a signal line, a common electrode, and a touch electrode that are disposed in the second display area. The common electrode includes an opening overlapping the transmissive area, and the common electrode is disposed between the signal line and the touch electrode to overlap the signal line.

An organometallic compound represented by Formula 1:

##STR00001## wherein, in Formula 1, groups and variables are the same as described in the specification.

A display device includes a substrate including an opening area in a display area and a non-display area between the display area and the opening area; signal wires disposed in the non-display area to bypass the opening area, and at least one groove disposed between the signal wires.

The present disclosure relates to a display device including an optical device, more specifically, it relates to a display device in which the optical device is positioned under the display panel so that the optical device is not exposed in the front direction. Even if the optical device is located under the display panel, the display device can normally perform the function of the optical device related to the front direction of the display panel and have a structure for this.