The present application relates to materials for use in electronic devices, to processes for preparing the materials, and to electronic devices containing the materials.

A D-A type organic light-emitting material includes a donor moiety and an acceptor moiety. The donor moiety is represented as follows:

##STR00001##

L is selected from any of aryl, heteroaryl, fused aryl and fused heteroaryl. When L is selected from any of aryl and heteroaryl, aryl and heteroaryl each have one or more substituents each selected from any of deuterium, tert-butyl, phenyl, cyano and methylimino, and at least one substituent is selected from cyano and methylimino. When L is selected from any of fused aryl and fused heteroaryl, fused aryl and fused to heteroaryl each have or do not have a substituent. When fused aryl and fused heteroaryl each have a substituent, the substituent is selected from any of deuterium, tert-butyl, phenyl, cyano and methylimino. The acceptor moiety is selected from any of a substituted or unsubstituted fused aromatic rings and a substituted or unsubstituted fused heterocyclic ring.

A compound of Formula I ##STR00001## wherein at least one of R.sup.1 or R.sup.2 includes a polycyclic group selected from the group consisting of Formula A, Formula B, and Formula C: ##STR00002##
wherein X.sup.1, X.sup.2, X.sup.3, and X.sup.4 are independently CR.sup.A or N; X.sup.5, X.sup.6, X.sup.7, and X.sup.8 are independently CR.sup.B or N; X.sup.9, X.sup.10, X.sup.11, and X.sup.12 are independently CR.sup.C or N; X.sup.13, X.sup.14, X.sup.15, and X.sup.16 are independently CR.sup.D or N; X.sup.17, X.sup.18, X.sup.19, and X.sup.20 are independently CR.sup.E or N; X.sup.21, X.sup.22, X.sup.23, and X.sup.24 are independently CR.sup.F or N; X.sup.25, X.sup.26, X.sup.27, and X.sup.28 are independently CR.sup.G or N; X.sup.29, X.sup.30, X.sup.31, and X.sup.32 are independently CR.sup.H or N; Y is selected from the group consisting of O, S, NR, and CRR′; the maximum number of N atoms that can connect to each other within each ring is two; with the proviso that R.sup.1 does not connect to ring B, and R.sup.2 does not connect to ring A, and wherein at least one of R.sup.C and R.sup.D of Formula A is a direct bond or an organic linker, one of R.sup.E and R.sup.F of Formula B is a direct bond or an organic linker, or one of R.sup.G, R.sup.H, and R.sup.N of Formula C is a direct bond or an organic linker.

The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a host material, an organic electroluminescent device having significantly improved lifespan characteristics can be provided.

A light emitting device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a fused polycyclic compound represented by Formula 1.

##STR00001##

A compound represented by the following formula (1) (In the formula (1), at least one of R.sub.1 to R.sub.8 is a deuterium atom; Ar.sub.2 is a monovalent group represented by the following formula (2), (3) or (4)).

##STR00001##

Provided are boron substituted organometallic compounds of Formula I:

##STR00001##

Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.

Provided is a new composition of matter for boron containing organic molecules which can be used as hosts or emitters in OLED devices. The compound can have a structure of Formula I

##STR00001##

Provided are a compound represented by Formula 1, an organic electroluminescent element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electroluminescent device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.

The present specification relates to a compound of Formula 1, a coating composition including the compound, an organic light emitting device formed by using the coating composition, and a manufacturing method thereof.