Provided are an organic electronic element comprising an anode, a cathode, and an organic material layer between the anode and the cathode, and an electronic device comprising the organic electronic element, wherein the organic material layer includes a compound of P-1 to P-16 and Formula 2, therefore the driving voltage of the organic electronic element can be lowered and the luminous efficiency and lifespan can be improved.

The present disclosure relates to an organic light-emitting diode having a low driving voltage and long lifespan and more particularly, to an organic light-emitting diode, comprising a first electrode, a second electrode facing the first electrode, and a light-emitting layer interposed therebetween, wherein the light-emitting layer contains at least one of the amine compounds represented by the following Chemical Formula A or Chemical Formula B, plus the compound represented by Chemical Formula D. The structures of Chemical Formulas A, B, and D are the same as in the specification.

A display panel includes: a display area and a peripheral area outside the display area; a substrate; a plurality of pixel electrodes spaced apart from each other on the substrate in the display area; a plurality of emission layers respectively arranged on the plurality of pixel electrodes; an opposite electrode on the plurality of emission layers and overlapping the display area; and a thin-film encapsulation layer on the opposite electrode and comprising at least one organic encapsulation layer and at least one inorganic encapsulation layer, wherein edges of the opposite electrode comprise a concave edge recessed from the peripheral area toward the display area and a convex edge protruding from the display area toward the peripheral area in a plan view.

A display panel includes: a display area and a peripheral area outside the display area; a substrate; a plurality of pixel electrodes spaced apart from each other on the substrate in the display area; a plurality of emission layers respectively arranged on the plurality of pixel electrodes; an opposite electrode on the plurality of emission layers and overlapping the display area; and a thin-film encapsulation layer on the opposite electrode and comprising at least one organic encapsulation layer and at least one inorganic encapsulation layer, wherein edges of the opposite electrode comprise a concave edge recessed from the peripheral area toward the display area and a convex edge protruding from the display area toward the peripheral area in a plan view.

The present invention relates to metal amides of general Formula Ia and for their use as hole injection layer (HIL) for an Organic light-emitting diode (OLED), and a method of manufacturing Organic light-emitting diode (OLED) comprising an hole injection layer containing a metal amide of general Formula Ia: ##STR00001##

The present invention relates to metal amides of general Formula Ia and for their use as hole injection layer (HIL) for an Organic light-emitting diode (OLED), and a method of manufacturing Organic light-emitting diode (OLED) comprising an hole injection layer containing a metal amide of general Formula Ia: ##STR00001##

An organic light-emitting display panel and an organic light-emitting display device are disclosed, wherein the organic light-emitting display panel includes: a substrate, a cathode, a first auxiliary functional structure, a light-emitting structure and an anode that are successively laminated; wherein, the material of both the anode and the cathode is silver or a silver-containing metallic material, and a micro-cavity structure is formed between the cathode and the anode; the first auxiliary functional structure includes at least one of an electron injection layer, an electron transport layer and a hole blocking layer, and the first auxiliary functional structure is multiplexed as a micro-cavity length adjusting structure.

An organic light-emitting display device with improved light efficiency includes a plurality of pixel electrodes each corresponding one of at least a first, second, or third pixel; a pixel-defining layer covering an edge and exposing a central portion of the pixel electrodes; an intermediate layer over the pixel electrode and including an emission layer; an opposite electrode over the intermediate layer; and a lens layer over the opposite electrode and including a plurality of condensing lenses each having a circular lower surface. For the first pixel, a ratio B/A ranges from about 1.34 to about 2.63. For the second pixel, B/A ranges from about 1.43 to about 3.00, For the third pixel, B/A ranges from about 1.30 to about 2.43. An area of the portion of the pixel electrode exposed by the pixel-defining layer is A, and an area of the lower surface of the condensing lens is B.

A novel compound is disclosed which includes a ligand L.sub.A of Formula II, ##STR00001##
wherein: ring B is independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; X.sup.1 to X.sup.4 are each independently selected from the group consisting of C, N, and CR; at least one pair of adjacent X.sup.1 to X.sup.4 are each C and fused to Formula V ##STR00002##
where indicated by “”; X.sup.5 to X.sup.12 are each independently C or N; the maximum number of N within a ring is two; Z and Y are each independently selected from the group consisting of O, S, Se, NR′, CR′R″, SiR′R″, and GeR′R″; R.sup.B and R.sup.C each independently represents zero, mono, or up to a maximum allowed substitutions to its associated ring; each of R.sup.B, R.sup.C, R, R′, and R″ is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, boryl, and combinations thereof; and two substituents can be joined or fused to form a ring; the ligand L.sub.A is complexed to a metal M through the two indicated dash lines of each Formula; and the ligand L.sub.A can be joined with other ligands to form a tridentate, tetradentate, pentadentate, or hexadentate ligand.

An organic light-emitting device includes a heterocyclic compound represented by Formula 1 ##STR00001##
In Formula 1, X is O or S, one selected from R.sub.1 to R.sub.8 is a group represented by Formula 2-1, and one selected from the remaining groups is a group represented by Formula 2-2, wherein, when X is O, one selected from R.sub.1, R.sub.2, R.sub.4, R.sub.5, R.sub.7, and R.sub.8 is a group represented by Formula 2-1.