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.

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.

Provided are a compound for an organic optoelectronic device represented by a combination of Chemical Formula 1 and Chemical Formula 2, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. Details for Chemical Formula 1 and Chemical Formula 2 are as defined in the specification.

A light emitting element that includes a first electrode, a second electrode on the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region which is between the first electrode and the emission layer is provided. The emission layer includes an amine compound represented by Formula 1:

##STR00001##

A light emitting element that includes a first electrode, a second electrode on the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region which is between the first electrode and the emission layer is provided. The emission layer includes an amine compound represented by Formula 1:

##STR00001##

A compound having structures represented by the following formulas (1) or (2): wherein in the formulas (1) and (2), at least one of R.sub.1 to R.sub.8 is a deuterium atom.

##STR00001##

The present application provides a nitrogen-containing compounds represented by formula I-A, electronic elements and electronic devices. The application relates to the field of organic material. The nitrogen-containing compounds can improve the performance of electronic elements.

##STR00001##

The present application provides a nitrogen-containing compounds represented by formula I-A, electronic elements and electronic devices. The application relates to the field of organic material. The nitrogen-containing compounds can improve the performance of electronic elements.

##STR00001##

An organic electroluminescence device having a cathode; an anode; and an emitting layer disposed between the cathode, wherein a first layer in an electron-transporting zone disposed between the emitting layer and the cathode contains a first compound and a second compound, the electron mobility μ.sub.1 of the first compound is 1.0×10.sup.−5 cm.sup.2/Vs or lower, and the second compound is one or more selected from the group consisting of compounds represented by each of the following formulas (11), (12), and (13), provided that the first compound and the second compound are different compounds.

##STR00001##

An organic electroluminescence device having a cathode; an anode; and an emitting layer disposed between the cathode, wherein a first layer in an electron-transporting zone disposed between the emitting layer and the cathode contains a first compound and a second compound, the electron mobility μ.sub.1 of the first compound is 1.0×10.sup.−5 cm.sup.2/Vs or lower, and the second compound is one or more selected from the group consisting of compounds represented by each of the following formulas (11), (12), and (13), provided that the first compound and the second compound are different compounds.

##STR00001##