Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminescent efficiency, stability, and life span.

The present invention relates to an organic light-emitting diode in which a light-emitting layer comprises a compound represented by [chemical formula A] as a host and comprises a compound represented by [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] as a dopant, wherein [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] are the same as those described in the detailed description of the invention.

An organic electroluminescent device having high efficiency, low driving voltage and a long lifetime is provided by combining various materials for an organic electroluminescent device, which are excellent, as materials for an organic electroluminescent device having high efficiency and high durability, in hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state and durability, so as to allow the respective materials to effectively reveal their characteristics. In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound of the following general formula (1), and the electron transport layer includes a compound the following general formula (2) having an anthracene ring structure.

##STR00001##

An organic light-emitting device that is highly efficient and has excellent driving durability characteristics. The present disclosure provides an organic light-emitting device including a substrate, a first electrode, a light-emitting layer, and a second electrode. The light-emitting layer contains a first organic compound, a second organic compound, and a third organic compound. A freely rotatable single bond in each of the first to third organic compounds is a carbon-carbon bond. At least one carbon of the freely rotatable carbon-carbon bond in the second organic compound is an sp.sup.2 carbon atom. Letting the HOMO energy level of the first organic compound be HOMO1, letting the LUMO energy level of the second organic compound be LUMO2, and letting the HOMO and LUMO energy levels of the third organic compound be HOMO3 and LUMO3, [I] and [II] are satisfied:

|LUMO2|>|LUMO3|[I]

|HOMO3|>|HOMO1|[II].

An organic light-emitting device that is highly efficient and has excellent driving durability characteristics. The present disclosure provides an organic light-emitting device including a substrate, a first electrode, a light-emitting layer, and a second electrode. The light-emitting layer contains a first organic compound, a second organic compound, and a third organic compound. A freely rotatable single bond in each of the first to third organic compounds is a carbon-carbon bond. At least one carbon of the freely rotatable carbon-carbon bond in the second organic compound is an sp.sup.2 carbon atom. Letting the HOMO energy level of the first organic compound be HOMO1, letting the LUMO energy level of the second organic compound be LUMO2, and letting the HOMO and LUMO energy levels of the third organic compound be HOMO3 and LUMO3, [I] and [II] are satisfied:

|LUMO2|>|LUMO3|[I]

|HOMO3|>|HOMO1|[II].

Disclosed are formulations including an organic compound H of formula (I), an emitter E. Also provided are organic functional films containing the formulations, or formed by using the formulations. Further provided are optoelectronic devices containing the formulations. Preferably, the optoelectronic device according to the present disclosure is an organic light emitting device containing a color conversion layer. The color conversion layer contains the formulation, in which the organic compound H absorbs light of an excitation light source and transfers energy to the light-emitting body E, and the light-emitting body E absorbs the energy of the organic compound H and then emits emergent light having a narrow full width at half maximum. These light-emitting devices having narrow full widths at half maximum can be used for manufacturing display devices having high color gamut.

##STR00001##

Disclosed are formulations including an organic compound H of formula (I), an emitter E. Also provided are organic functional films containing the formulations, or formed by using the formulations. Further provided are optoelectronic devices containing the formulations. Preferably, the optoelectronic device according to the present disclosure is an organic light emitting device containing a color conversion layer. The color conversion layer contains the formulation, in which the organic compound H absorbs light of an excitation light source and transfers energy to the light-emitting body E, and the light-emitting body E absorbs the energy of the organic compound H and then emits emergent light having a narrow full width at half maximum. These light-emitting devices having narrow full widths at half maximum can be used for manufacturing display devices having high color gamut.

##STR00001##