The invention relates to an organic molecule, in particular for use in organic optoelectronic devices. According to the invention, the organic molecule has one first chemical moiety with a structure of formula I, ##STR00001## and one second chemical moiety with a structure of formula II, ##STR00002## wherein the first chemical moiety is linked to the second chemical moiety via a single bond.

A compound having the following formula ##STR00001##
Formula I, is disclosed. The compound is useful as an emitter in OLED applications.

A light emitting element that includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element shows a high emission efficiency and long-life characteristics.

##STR00001##

A light emitting element that includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element shows a high emission efficiency and long-life characteristics.

##STR00001##

A light emitting element includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting a long service life characteristic.

##STR00001##

A light emitting element includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting a long service life characteristic.

##STR00001##

Embodiments provide an organometallic compound, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the organometallic compound, which is represented by Formula 1.

##STR00001##

The description of Formula 1 is provided in the specification.

Embodiments provide an organometallic compound, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the organometallic compound, which is represented by Formula 1.

##STR00001##

The description of Formula 1 is provided in the specification.

Provided are a heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device:

##STR00001##

wherein the detailed description of Formula 1 is the same as described in the specification.

Provided are a heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device:

##STR00001##

wherein the detailed description of Formula 1 is the same as described in the specification.