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

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

Abstract: Provided is a light emitting element including a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode. At least one functional layer may include an amine compound represented by Formula 1 below. A light emitting element including the amine compound of an embodiment may have reduced driving voltage and increased lifespan.

Abstract: A low-dielectric board material includes a metal layer and a porous resin layer disposed on a one-side surface of the metal layer in the thickness direction. The porous resin layer includes a first region, a second region, a third region, and a fourth region that are located in sequence toward a direction away from the metal layer when the porous resin layer is equally divided into four in the thickness direction. The first region has a plurality of closed cells that are separate from each other in a resin matrix. The average of the aspect ratios AR of the plurality of closed cells in the first region is 0.80 or more and 1.20 or less. The average of the aspect ratios AR is a ratio (L1/L2) of a length L1 of a closed cell in a direction orthogonal to the thickness direction to a length L2 of the closed cell in the thickness direction in a cross-sectional view.

Abstract: Provided are a light emitting element and an amine compound for the same, wherein the light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode, the functional layer includes the amine compound represented by Formula 1 below, and thus the luminous efficiency and element life of the light emitting element may be improved.

Abstract: An amine compound is represented by Formula 1. A light emitting element of an embodiment includes a first electrode, a second electrode and at least one functional layer between the first electrode and the second electrode and including the amine compound represented by Formula 1 below, thereby showing high efficiency and long-life characteristics.

Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode and including a polycyclic compound according to an embodiment, thereby showing high efficiency and long-life characteristics.

Abstract: An organic electroluminescence device 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 at least one layer selected from a hole injection layer, a hole transport layer, a buffer layer, and an electron blocking layer; and the at least one layer includes an amine compound represented by Formula 1, thereby exhibiting high luminous efficiency and a long service life:

Abstract: A luminescence device, 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, wherein the hole transport region includes a compound of Formula 1: in Formula 1, the variables are described herein.

Abstract: A light emitting diode includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode. The at least one functional layer includes an amine compound represented by Formula 1, thereby showing high emission efficiency properties and improved life characteristics.

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes an amine compound represented by Formula 1a, thereby showing excellent emission efficiency and/or improved life characteristics:

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