A light emitting element 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 between the first electrode and the emission layer, wherein the hole transport region may include an amine compound represented by Formula 1:

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A light emitting element including a first electrode, a second electrode arranged on the first electrode, a light emitting layer arranged between the first electrode and the second electrode is provided. A hole transport region is arranged between the first electrode and the light emitting layer, and includes an amine compound represented by Formula 1. The light emitting element may exhibit high-efficiency and long-lifespan properties.

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A light emitting element including a first electrode, a second electrode arranged on the first electrode, a light emitting layer arranged between the first electrode and the second electrode is provided. A hole transport region is arranged between the first electrode and the light emitting layer, and includes an amine compound represented by Formula 1. The light emitting element may exhibit high-efficiency and long-lifespan properties.

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A monomer, an organic layer composition, an organic layer, and a method of forming a pattern, the monomer being represented by the following Chemical Formula 1:

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Provided are an organic electric element and a display device using the same as a hole transport layer comprising a composition composed of two or more compounds having similar structures to improve luminous efficiency, stability and life span of an electric element, and an electronic device including the same.

Provided are an organic electric element and a display device using the same as a hole transport layer comprising a composition composed of two or more compounds having similar structures to improve luminous efficiency, stability and life span of an electric element, and an electronic device including the same.

Compounds of formulae (2-7) or (2-9) are provided: ##STR00001##
Also provided are organic electroluminescence (EL) devices containing the compounds having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

Compounds of formulae (2-7) or (2-9) are provided: ##STR00001##
Also provided are organic electroluminescence (EL) devices containing the compounds having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.