The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.

Provided is an organic light-emitting device comprising: an anode; a cathode that is opposite to the anode; and a light emitting layer that is between the anode and the cathode, wherein the light emitting layer comprises a first compound of the following Chemical Formula 1, a second compound of the following Chemical Formula 2 and a third compound of the following Chemical Formula 3, as defined in the specification:

##STR00001##

The present invention relates to a polycyclic aromatic derivative compound that can be used in a variety of organic material layers in an organic light-emitting element, and an organic light-emitting element comprising the polycyclic aromatic derivative compound, the highly efficient and long-life organic light-emitting element having significantly improved light-emitting efficiency by employing the polycyclic aromatic compound as a dopant compound in a light-emitting layer, and an anthracene derivative having a particular structure as a host compound.

The invention relates to heteroaromatic compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds

Metal complexes with ligands bearing a five member aromatic moiety fused with dibenzofuran or its analogues useful as electroluminescence materials in OLEDs are disclosed.

A compound having a formula M(L.sub.A).sub.x(L.sub.B).sub.y(L.sub.C).sub.z is provided. In the compound of M(L.sub.A).sub.x(L.sub.B).sub.y(L.sub.C).sub.z, ligand L.sub.A is ##STR00001##
ligand L.sub.B is ##STR00002##
and ligand L.sub.C is ##STR00003##
In addition, M is a metal having an atomic mass greater than 40, x is 1, 2, or 3, and y and z are independently 0, 1, or 2. In the compound, Z.sup.5 is carbon or nitrogen; one of Z.sup.1 to Z.sup.4 is nitrogen and three of Z.sup.1 to Z.sup.4 are carbon substituted by R.sup.B, and rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring. Each R.sup.A, R.sup.B, R.sup.C, and R.sup.D is independently selected from a group of substituents, where at least one R.sup.B is heteroaryl, which can be further substituted, and any adjacent substitutents are optionally joined or fused into a ring. Formulations and devices, such as OLEDs, that include the first compound are also provided.

A compound of Formula I,

##STR00001##

is provided where moieties B and D are monocyclic or polycyclic rings; M is Pt or Pd; each of X.sup.1 to X.sup.7, Z.sup.1, and Z.sup.2 is C or N; Y.sup.1 and Y.sup.2 are each independently linking groups; L.sub.1 and L.sub.2 are each independently absent a bond, a direct bond, or a linking group; K is selected from the group consisting of a direct bond, O, S, N(R.sup.α), P(R.sup.α), B(R.sup.α), C(R.sup.α)(R.sup.β), and Si(R.sup.α)(R.sup.β). Formulations, OLEDs, and consumer products containing the compound are also provided.

The present invention relates to an electroluminescence device having high luminous efficiency (for example, external quantum efficiency) and high durability and causing little chromaticity shift after device deterioration. The present invention also relates to an organic electroluminescence device material comprising a substrate having thereon a pair of electrode and at least one organic layer between the electrodes, the organic layer containing a light emitting layer, wherein the light emitting layer contains a metal complex having a group represented by formula (I). ##STR00001##

The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, it is possible to provide an organic electroluminescent device having good thermal stability, low driving voltage, high luminous efficiency and/or improved lifetime properties.

The present disclosure relates to an organic metal compound, an organic light emitting diode and organic light emitting device having the same, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and luminous lifespan.