Provided are an organic electric element comprising as a phosphorescent host material, a mixture of the compounds of Formula (1) and Formula (2), and an organic electronic device or apparatus thereof for achieving a high luminous efficiency, a low driving voltage, and an improved lifespan.

Provided is a process for preparation of a compound of Formula 1 ##STR00001##
where, ring Y and ring Z are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; Z.sup.1 and Z.sup.2 are each independently C or N; each R.sup.Y and R.sup.Z independently represents mono to the maximum possible number of substitutions, or no substitution; x=1, 2, or 3; y=0, 1, or 2; and x+y=3. Disclosed is a chemical synthesis process that involves contacting a compound of Formula 2 ##STR00002##
with a compound of Formula 3 ##STR00003##
in an organic solvent to yield a compound of Formula 1 ##STR00004##

Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device. Details of Chemical Formula 1 are the same as defined in the specification.

The present specification relates to an organic light emitting device comprising a first electrode, a second electrode, and an organic material layer comprising one or more layers provided between the first electrode and the second electrode, wherein the one or more layers of the organic material layer comprise a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2, a composition for the organic material layer of the organic light emitting device, and a method for manufacturing the organic light emitting device.

A coating composition, an organic light emitting device using the same, and a method for manufacturing the same are disclosed herein. In some embodiments, a coating composition including a compound represented by Formula 1 and a compound represented by Formula 2. In some embodiments, an organic light emitting device includes a first electrode, a second electrode, and an organic material layer having one or more layers provided between the first electrode and the second electrode, wherein the one or more layers comprise the coating composition or a cured product thereof.

The present specification relates to a method for producing a deuterated aromatic compound and a deuterated reaction composition.

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.

Provided is a compound of Formula 1: ##STR00001##
where X is O or S; Ar.sub.1 is an aryl having 6 to 20 carbon atoms substituted with at least one functional group selected from the group consisting of cyano, pyridinyl, benzimidazolyl and diphenylphosphine oxide, or a substituted or unsubstituted heteroaryl having 3 to 20 carbon atoms containing at least one N; and Ar.sub.2 is a functional group of Formula 2 below, with the proviso that Ar.sub.1 and Ar.sub.2 are different from each other, ##STR00002##
where Ar.sub.3 is an aryl having 6 to 20 carbon atoms, and m is an integer of 0 to 2, and an organic light emitting device comprising the same.

Provided is a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic device using the same, and an electronic device.

The present specification relates to a composition including two or more compounds represented by Chemical Formula 1 and having a different number of deuterium substitution, wherein, in the composition, the number of deuterium of an isotope having a highest isotope content among each isotope content for each mass number of the two or more compounds having a different number of deuterium substitution is 13 or greater, and an electronic device and an organic light emitting device including the same.