A light-emitting device and an electronic apparatus including the light-emitting device include a novel condensed cyclic compound represented by Formula 1, in which Z.sub.1 is a group represented by Formula 2. The condensed cyclic compound represented by Formula 1 may have a high glass transition temperature (Tg) and/or a high melting point, and may thus provide high durability during storage and driving.

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A light-emitting device and an electronic apparatus including the light-emitting device include a novel condensed cyclic compound represented by Formula 1, in which Z.sub.1 is a group represented by Formula 2. The condensed cyclic compound represented by Formula 1 may have a high glass transition temperature (Tg) and/or a high melting point, and may thus provide high durability during storage and driving.

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The present invention relates to a phenyl-derivative compound substituted with at least two electron acceptors and at least two electron donors. Formula (I) R.sup.AaR.sup.DbR.sup.ScC.sub.6 wherein a is 2, 3 or 4; b is 2, 3 or 4; c is 0, 1 or 2; a+b−c=6; R.sup.A is at each occurrence independently a group with −M-effect; R.sup.B is at each occurrence independently a group with +−M-effect; R.sup.S is as defined in claim 1. Said compound is suited for use in organic electronic devices, particularly in organic electroluminescent devices.

The present invention relates to a phenyl-derivative compound substituted with at least two electron acceptors and at least two electron donors. Formula (I) R.sup.AaR.sup.DbR.sup.ScC.sub.6 wherein a is 2, 3 or 4; b is 2, 3 or 4; c is 0, 1 or 2; a+b−c=6; R.sup.A is at each occurrence independently a group with −M-effect; R.sup.B is at each occurrence independently a group with +−M-effect; R.sup.S is as defined in claim 1. Said compound is suited for use in organic electronic devices, particularly in organic electroluminescent devices.

Disclosed is a process for preparing Compound 8: ##STR00001##
comprising the step of reacting Compound of 7: ##STR00002##
wherein R is C.sub.1-8 alkyl or benzyl in the presence of a base. Also disclosed are intermediates and processes for preparing the intermediates.

In the organic electroluminescent device having at least an anode, a hole injection layer, a first hole injection layer, a second hole injection layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor.

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In the formula, Ar.sub.1 to Ar.sub.4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.

In the organic electroluminescent device having at least an anode, a hole injection layer, a first hole injection layer, a second hole injection layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor.

##STR00001##

In the formula, Ar.sub.1 to Ar.sub.4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.

The present disclosure discloses a deuterated organic compound and a formulation and an organic electronic device containing the same, wherein the deuterated organic compound has the following structural formula:

##STR00001##

wherein Ar is an aromatic or heteroaromatic structural unit, D is an electron donor group, A is an electron acceptor group, n and m are an integer between 1 and 6; and wherein for the organic compound, (S1-T1)≦0.25 eV, and at least one H atom of the organic compound is substituted by deuterium. The present disclosure achieves the improvement of the electroluminescence quantum efficiency and the lifetime of the organic compound by replacing the H atom in the organic compound with deuterium and having (S1-T1)≦0.35 eV, and the material of the present disclosure has a great application potential and application range due to its low cost and relatively simple synthesis process.

The present invention provides processes for the synthesis of organic azides, intermediates for the production thereof, and compositions related thereto.

An organic light-emitting device including a predetermined host and a thermally activated delayed fluorescence emitter.