Abstract:
According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode facing 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. The hole transport region includes a first compound represented by Formula 1A and a second compound represented by Formula 1B:
Abstract:
An organic light emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B:
Abstract:
According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode. The emission layer includes a first compound represented by Formula 1, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2A or 2B:
Abstract:
An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes at least one condensed cyclic compound of Formula 1: An organic light-emitting device including the condensed cyclic compound according to embodiments of the present disclosure may have low driving voltage, high efficiency, high luminance, and long lifespan.
Abstract:
An organic light-emitting device includes a first electrode; a second electrode facing 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 includes a hole transport layer, and a hole auxiliary layer between the hole transport layer and the emission layer. The hole auxiliary layer includes a first compound represented by Formula 1, and the hole transport layer includes a second compound represented by Formula 2:
Abstract:
A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.
Abstract:
Provided is an organic electroluminescence device including a first electrode, an organic layer on the first electrode, and a second electrode on the organic layer, wherein the organic layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device including a polycyclic compound represented by Formula 1 thereby exhibits high luminous efficiency.
Abstract:
According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second 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. The hole transport region includes a first compound represented by Formula 1 and a second compound represented by Formula 2:
Abstract:
An organic electroluminescence device of an embodiment includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a compound represented by Formula 1 below. Improved emission efficiency and color purity properties may be shown.