A display panel includes: a substrate including a display area and a peripheral area outside the display area; and a first conductive layer in the peripheral area, an entire upper surface of which is exposed to an outside of the display device. The first conductive layer includes a main part and a plurality of protrusions protruding from the main part in a direction parallel to an upper surface of the substrate.

The disclosure pertains to an organic molecule for use in optoelectronic devices. The organic molecule has a structure of Formula I:

##STR00001## wherein X is selected from the group consisting of a direct bond, NR.sup.1, O, S, SiR.sup.1R.sup.2 and CR.sup.1R.sup.2; Y is selected from the group consisting of a direct bond, NR.sup.3, O, S, SiR.sup.3R.sup.4 and CR.sup.3R.sup.4; and R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are each independently selected from the group consisting of: hydrogen, deuterium, N(R.sup.5).sub.2, OR.sup.5, SR.sup.5, Si(R.sup.5).sub.3, B(OR.sup.5).sub.2, OSO.sub.2R.sup.5, CF.sub.3, CN, halogen, C.sub.1-C.sub.40-alkyl, C.sub.1-C.sub.40-alkoxy, C.sub.1-C.sub.40-thioalkoxy, C.sub.2-C.sub.40-alkenyl, C.sub.2-C.sub.40-alkynyl, C.sub.6-C.sub.60-aryl, and C.sub.3-C.sub.57-heteroaryl.

The disclosure relates to an organic molecule, in particular for the application in optoelectronic devices. According to the disclosure, the organic molecule has a structure represented by Formula I:

##STR00001##

In Formula 1, R.sup.I, R.sup.II, R.sup.III, R.sup.IV, R.sup.V, R.sup.VI, R.sup.VII, R.sup.VIII, R.sup.IX, R.sup.X and R.sup.XI are each independently selected from the group consisting of: hydrogen, deuterium, halogen, C.sub.1-C.sub.12-alkyl, wherein optionally one or more hydrogen atoms are each independently substituted by R.sup.5, C.sub.6-C.sub.18-aryl, wherein optionally one or more hydrogen atoms are each independently substituted by R.sup.5, and C.sub.3-C.sub.15-heteroaryl. R.sup.5 is independently selected from the group consisting of: hydrogen, deuterium, C.sub.1-C.sub.12-alkyl, and C.sub.6-C.sub.18aryl, wherein optionally one or more hydrogen atoms are each independently substituted by C.sub.1-C.sub.5-alkyl substituents; T, V, W, and X are each independently selected from the group consisting of: C.sub.1-C.sub.12-alkyl, and C.sub.6-C.sub.18-aryl, wherein optionally one or more hydrogen atoms are each independently substituted by C.sub.1-C.sub.5-alkyl substituents.

A flat panel has a plurality of pixel areas each having a light emitting area, a light transmitting area, and a light sensing area in the light emitting area. The flat panel includes a first support board; a sensing array on the first support board and having a light sensing element corresponding to the light sensing area of each of the pixel areas; a micro lens between the first support board and the light sensing element; a first light shielding wall between the first support board and the light sensing element to correspond to an edge of the light sensing area of each of pixel areas; a light emitting array on the sensing array and having a light emitting element corresponding to the light emitting area of each of the pixel areas; and a second support board on the light emitting array facing the first support board.

A display substrate includes a substrate, including a plurality of island portions spaced apart from each other and a plurality of bridge portions connected between the island portions, the substrate having a plurality of openings in regions without the plurality of island portions and the plurality of bridge portions; a layer structure on each of the plurality of island portions and including a light-emitting layer, a common auxiliary layer and a first electrode layer stacked with each other, the layer structure on each of the plurality of island portions forms at least one light-emitting unit. On each of the plurality of island portions, an orthographic projection of the common auxiliary layer on the island portion covers an orthographic projection of the light-emitting layer on the island portion.

Disclosed are a display panel and a display device. The display panel includes a base substrate; a pixel unit on the base substrate and including a pixel circuit and a light-emitting element, the pixel circuit being configured to drive the light-emitting element, the pixel circuit being closer to the base substrate than the light-emitting element and including a driving transistor; a data line configured to provide data signal to the pixel circuit; a connection element through which the light-emitting element is connected with the pixel circuit, the connection element including a shielding portion; and a connection line connected with a gate electrode of the driving transistor. The data line includes two adjacent data lines with the shielding portion located therebetween, and an orthographic projection of the connection line on the base substrate at least partially overlaps with an orthographic projection of the shielding portion on the base substrate.

The present disclosure provides an organic light-emitting diode structure and a display device. The electron blocking layer, the luminescent layer and the hole blocking layer in the organic light-emitting diode structure satisfy: HOMO.sub.host−HOMO.sub.EBL≤0.3 eV, LUMO.sub.host>LUMO.sub.HBL, and HOMO.sub.HBL−HOMO.sub.host≥0.1 eV, wherein HOMO is the highest occupied molecular orbital, LUMO is the lowest unoccupied molecular orbital, host refers to the host material, EBL refers to the electron blocking layer, and HBL refers to the hole blocking layer.

The present application relates to a display panel and a display device. The display panel includes a substrate, a driving layer group, and an anode layer stacked together. The driving layer group is located in the second display region. The anode layer includes a first anode located in the first display region. The first anode is electrically connected to a drain of the driving layer group via a conducting wire. The display panel further includes a first isolation layer and a lap layer located in the first display region. The first isolation layer is arranged between the lap layer and the conducting wire. The first isolation layer includes a first via hole. The conducting wire passes through the first via hole to connect with the lap layer, to electrically connect the first anode to the drain electrode of the driving layer group.

An organoelectroluminescent device according to the present invention employs compounds of characteristic structures as a hole transport material and a dopant material in a hole injection layer or a hole transport layer, and in an emissive layer, respectively, and thus can be driven at a low voltage and realize highly efficient emission characteristics with excellent external quantum efficiency. Thus, the organoelectroluminescent device may be industrially advantageously used in a flexible display device, a flexible display device, a single-color or white-color flat lighting device, a single-color or shite-color flexible lighting device, and the like.

A light-emitting element is provided with an interlayer organic layer having electron transport properties. At a HOMO level, an energy level difference between a first hole transport layer and the second hole transport layer is from 0.0 eV to 0.20 eV, and at a LUMO level, an energy level difference between a first electron transport layer and a second electron transport layer, and an energy level difference between the first electron transport layer and the blue light-emitting layer are each from 0.0 eV to 0.20 eV. Alternatively, the light-emitting element is provided with the interlayer organic layer between the electron transport layer and the cathode electrode, the electron transport layer is formed from a lithium quinolate complex and an organic compound having electron transport properties, and the interlayer organic layer is formed from an organic compound including an amino group or a hydroxyl group.