Provided are compounds capable of functioning as an emitter in an organic light emitting device at room temperature, and their use in OLED related electronic devices.

Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus comprising the organic light-emitting device:
M(L.sub.1).sub.n1(L.sub.2).sub.n2  Formula 1 wherein, in Formula 1, M, L.sub.1, L.sub.2, n1, and n2 are the same as described in the detailed description of the specification.

The present disclosure provides a nitrogen-containing compound, and an electronic component and an electronic device including the same, and belongs to the technical field of organic electroluminescence. The nitrogen-containing compound provided by the present disclosure has polycyclic conjugation properties, the compound has a core structure of fused indolocarbazole. The bond energy between the atoms is high, thus the compound has a good thermal stability, and facilitates solid state accumulation between the molecules. The electroluminescence device with the compound as a luminescent layer material has a long service life. According to the nitrogen-containing compound provided by the present disclosure with an indolocarbazole structure connecting with a nitrogen-containing group (triazine, pyridine and pyrimidine) and a benzoxazole or benzothiazole group respectively has a high dipole moment, thereby improving the polarity of the material. Using the nitrogen-containing compound of the present disclosure as the luminescent layer material of the organic electroluminescence device, the electron transport performance of the device can be improved, and the luminous efficiency and service life of the device can be improved.

An organometallic compound represented by Formula 1:

M.sub.1(Ln.sub.1).sub.n1(Ln.sub.2).sub.n2  Formula 1

wherein, in Formula 1, Ln.sub.1 is a ligand represented by Formula 1A, Ln.sub.2 is a ligand represented by Formula 1B, n1 is 1 or 2, and n2 is 1 or 2:

##STR00001##

wherein CY.sub.1 is a 6-membered N-containing heterocyclic group, a 6-membered N-containing heterocyclic group condensed with a C.sub.1-C.sub.30 carbocyclic group, or a 6-membered N-containing heterocyclic group condensed with a C.sub.5-C.sub.30 heterocyclic group, CY.sub.21 is a 5-membered carbocyclic group or a 5-membered heterocyclic group, X.sub.31 and X.sub.32 are each independently O or S, * and *′ each indicate a binding site to M.sub.1, and R.sub.10, R.sub.20 to R.sub.22, R.sub.31 to R.sub.37, b10, and b20 are as provided herein.

A compound having a structure of Formula I,

##STR00001##

is provided. In Formula I, each of moieties B, C, and D is a ring or multicyclic ring system; each of X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, Y.sup.1, Z.sup.1, Z.sup.2, Z.sup.3, Z.sup.4, and Z.sup.5 is C or N; each of K.sup.1, K.sup.2, and K.sup.3 is a direct bond, O, or S; L.sup.1 and L.sup.2 are independently direct bonds or bivalent linking groups; each R, R′, R.sup.A, R.sup.B, R.sup.C, and R.sup.D is independently hydrogen or a substituent; any two substituents may be joined or fused together to form a ring; and at least one pair of R.sup.B, R.sup.C, or R.sup.D are joined to form a 5-membered heterocyclic ring. Formulations, OLEDs, and consumer products containing the compound are also provided.

The present application belongs to the technical field of organic materials and provides a nitrogen-containing compound, an electronic component, and an electronic device. The nitrogen-containing compound has a structure shown in Chemical formula 1: ##STR00001##

A compound having a Pt tetradentate structure of Formula 1, ##STR00001##
is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L.sup.1, L.sup.2, and L.sup.3 are each independently a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO.sub.2, SiRR′, GeRR′, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NR.sup.E, O, S, and Se; X.sup.3 and X.sup.4 each independently carbon or nitrogen; and one of Q.sup.1, Q.sup.3, and Q.sup.4 is oxygen, and the remaining two of Q.sup.1, Q.sup.3, and Q.sup.4 each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.

The present disclosure relates to organic electroluminescent compounds and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure may be comprised in a light-emitting layer or an electron buffer layer, and is effective to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and significantly improved operative lifespan.

Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus comprising the organic light-emitting device:

M(L.sub.1).sub.n1(L.sub.2).sub.n2  Formula 1 wherein, in Formula 1, M, L.sub.1, L.sub.2, n1, and n2 are the same as described in the detailed description of the specification.

The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.