Abstract: A light-emitting device includes a heterocyclic compound represented by Formula 1: The heterocyclic compound represented by Formula 1 may have a high glass transition temperature (Tg) and/or melting point for excellent thermal resistance, and excellent hole injectability and/or transportability. Accordingly, the light-emitting device may have excellent luminance, luminescence efficiency, lifespan, and/or driving voltage.

Abstract: A compound according to an embodiment of the present disclosure is represented by Formula 1: When the compound is used in an organic light-emitting device, efficiency is higher as compared to when existing compounds in the art are used. In particular, the compound shows a remarkable effect of lifespan improvement, resulting in a significantly increased lifespan of the organic light-emitting device including the compound.

Abstract: A light emitting diode of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.

Abstract: Provided are an arylamine compound including a phenyl-naphthyl linker substituted with at least one deuterium and an amine group substituted with at least one carbazole group, a light-emitting device including the arylamine compound, and an electronic apparatus including the light-emitting device. The arylamine compound is the same as described in the present specification.

Abstract: Provided is a light-emitting element including a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode and including an amine compound represented by Formula 1. The light-emitting element may exhibit excellent light-emitting efficiency and improved service life characteristics.

Abstract: Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and electronic equipment including the light-emitting device.

Abstract: A light-emitting device includes a heterocyclic compound represented by Formula 1: The heterocyclic compound represented by Formula 1 may have a high glass transition temperature (Tg) and/or melting point for excellent thermal resistance, and excellent hole injectability and/or transportability. Accordingly, the light-emitting device may have excellent luminance, luminescence efficiency, lifespan, and/or driving voltage.

Abstract: A compound represented by Formula 1, a light-emitting device including the compound represented by Formula 1, and an electronic apparatus including the light-emitting device are provided.

Abstract: An organic electroluminescence device includes a first electrode and a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the plurality of organic layers includes an amine compound represented by Formula 1, and thereby exhibits improved emission efficiency.

Abstract: Provided are an arylamine compound including a phenyl-naphthyl linker substituted with at least one deuterium and an amine group substituted with at least one carbazole group, a light-emitting device including the arylamine compound, and an electronic apparatus including the light-emitting device. The arylamine compound is the same as described in the present specification.

Abstract: A light-emitting diode may include a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, the at least one functional layer including an amine compound represented by Formula 1. The light-emitting diode may exhibit high luminous efficiency properties and improved lifetime properties.

Abstract: A light-emitting device including an amine-containing compound represented by Formula 1, an electronic apparatus including the light-emitting device, and the amine-containing compound represented by Formula 1 are provided.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.

Abstract: An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, and an electron transport region on the emission layer.

Abstract: A light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an amine-containing compound represented by Formula 1, an electronic apparatus including the light-emitting device, and the amine-containing compound represented by Formula 1 are provided.

Abstract: A light-emitting device that includes an amine-containing compound. An electronic apparatus and an electronic equipment that includes the light-emitting device. Utilization of the amine-containing compound in the light-emitting device may enhance or improve the operating characteristics of the device, such as driving voltage, luminance, efficiency, and/or lifespan.

Abstract: An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, and an electron transport region on the emission layer.

Abstract: An amine-based compound represented by Formula 1, a light-emitting device including the amine-based compound, and an electronic device and an electronic apparatus each including the light-emitting device are provided. The light-emitting device includes a first electrode, a second electrode on the first electrode, and an interlayer between the first electrode and second electrode and including the amine-based compound.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light-emitting layer on the hole transport region, an electron transport region on the light-emitting layer, and a second electrode on the electron transport region. The hole transport region includes an amine compound represented by Formula 1.

Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.