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: The present invention relates to an organic electronic device comprising a substrate (110), an anode layer (120), a cathode layer (190), at least one first emission layer (150), and a hole injection layer (130), wherein •—the hole injection layer comprises a metal complex, wherein •—the metal complex comprises at least one electropositive metal atom having an electro-negativity value according to Allen of less than 2.

Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset?S1(C4)onset??Condition 1-1 T1(C3)max?S1(C4)max??Condition 1-2 KRISC(C4)?103 S?1??Condition 2 f(C4)?0.1??Condition 3.

Abstract: The present disclosure relates to an organic light emitting diode that includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first compound and a second compound and positioned between the first and second electrodes, wherein an overlap ratio between an absorption spectrum of the first compound and an emission spectrum of the second compound is equal to or greater than 35%, and an organic light emitting display including the organic light emitting diode.

Abstract: A composition comprising a compound represented by the following formula (1) and a compound represented by the following formula (2), provided that the compound represented by the formula (1) and the compound represented by the formula (2) are different compounds:

Abstract: Provided is a compound of Formula 1: wherein: Y is NR, CRxRy, O, or S; R, Rx, Ry, A1 and A2 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, alkenyl, or alkynyl group, or are bonded to an adjacent group to form a substituted or unsubstituted ring; R1 to R3 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, amine, alkenyl, or alkynyl group, or are bonded to an adjacent group to form a substituted or unsubstituted ring; R3 is optionally bonded to Y to form a substituted or unsubstituted ring, a and b are each an integer from 0 to 3; and c is an integer from 0 to 4, and an organic light emitting device including the same.

Abstract: A light-emitting device including: m emitting units located between a first electrode and a second electrode; and m?1 charge generation units, each located between two neighboring emitting units among the m emitting units and including an n-type charge generation layer and a p-type charge generation layer. The m emitting units may each include an emission layer, at least one of the m emission layers comprises a first emission layer and a second emission layer that are in contact with each other, the first emission layer includes a first host, a second host, and a first dopant, the second emission layer includes a third host, a fourth host, and a second dopant, the first host and the second host form a first exciplex, the third host and the fourth host form a second exciplex, and the first dopant is a delayed fluorescence dopant, and the second dopant is a phosphorescent dopant.

Abstract: Disclosed is an organometallic compound represented by a following Chemical Formula I, wherein the compound is a metal complex including a central coordination metal and a main ligand binding thereto, wherein the main ligand has a structure in which a fused ring is further introduced into 2-phenylquinoline. When the organometallic compound is used as dopant of a light-emitting layer of an organic electroluminescent device, rigidity is imparted to the organometallic compound molecule such that a full width at half maximum (FWHM) is narrow and thus color purity is improved. Further, a non-luminescent recombination process is reduced such that luminous efficiency and lifespan of the organic electroluminescent device are improved.

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes an organometallic compound of Formula 1: wherein, in Formula 1, the variables are described herein.

Abstract: Provided are a light-emitting device and an electron apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and an electron transport region, the emission layer includes a host and a dopant, the electron transport region is disposed between the emission layer and the second electrode and includes a first electron transport layer and a second electron transport layer, the first electron transport layer includes a first electron-transporting material, a lowest excitation triplet (T1) energy level of the first electron-transporting material is greater than a T1 energy level of the dopant in the emission layer, and the second electron transport layer includes a second electron-transporting material and a metal dopant.

Abstract: A light-emitting material, including: a quantum dot represented by Formula 1; and Pb(SCN)2, wherein a surface of the quantum dot is passivated by the Pb(SCN)2, and wherein the light-emitting material has a stretching vibrational peak corresponding to a carbon-nitrogen triple bond in a range of about 2000 inverse centimeter to about 2100 inverse centimeter, as measured by infrared (IR) spectroscopy: A1B1X13??Formula 1 wherein, in Formula 1, A1 is at least one of a monovalent organic cation or a monovalent inorganic cation, B1 is Sn or Pb, and X1 is at least one halogen.

Abstract: The present disclosure provides an organic compound represented by the Chemical Formula 1 and an organic light emitting element including the same. Specifically, there may be provided an organic light emitting element having high efficiency or long lifespan by including a first electrode, a second electrode, and an organic material layer positioned therebetween, where the organic material layer includes an organic compound represented by the Chemical Formula 1.

Abstract: The present invention relates to an organic electronic device comprising an anode layer, a cathode layer, at least one emission layer (EML) and at least one hole injection layer (HIL), wherein the hole injection layer is arranged between the anode layer and the at least one emission layer.

Abstract: An organic electroluminescence device, comprising a cathode, an anode, and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and one or more selected from the group consisting of the compound represented by the formula (1) and the compound represented by the formula (2) have at least one deuterium atom.

Abstract: Disclosed is a compound including a ligand LA of Formula I, In Formula I, moiety B is a monocyclic or polycyclic ring structure comprising 5- and/or 6-membered rings; Y is selected from O, S, NR, and CRR?; Z is carbon or nitrogen; each R, R?, RA, and RB is independently hydrogen or a substituent; LA is coordinated to a metal M; and any two adjacent R, R?, RA, and RB can be joined or fused together to form a ring. Formulations, organic light emitting diodes, and consumer products including the compound are also disclosed.

Abstract: A polymer, a quantum dot composition, and a light-emitting device employing the same are provided. The polymer includes a first repeat unit that has a structure represented by Formula (I): wherein the definitions of R1, R2, A1, A2, A3, and Z1 and n are as defined in the specification.

Abstract: A compound of formula (1) wherein X1 is CR1 or a nitrogen atom, X2 is CR2 or a nitrogen atom, X3 is CR3 or a nitrogen atom, X4 is CR4 or a nitrogen atom, X5 is CR5 or a nitrogen atom, X6 is CR6 or a nitrogen atom, X7 is CR7, a nitrogen atom, or a carbon atom single-bonded to X8, X8 is CR8, a nitrogen atom, or a carbon atom single-bonded to X7, X9 is CR9 or a nitrogen atom, X10 is CR10 or a nitrogen atom, X11 is CR11 or a nitrogen atom, X12 is CR12 or a nitrogen atom, and Q is CRQ or a nitrogen atom, and Y is NRY1, an oxygen atom, a sulfur atom, C(RY2)(RY3) or Si(RY4)(RY5), each R being a hydrogen atom or a substituent.

Abstract: Provided are a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and at least one of an emission auxiliary layer and a buffer layer, the emission layer includes a host and a dopant, the dopant includes a first emissive compound and a second emissive compound, and the at least one of the emission auxiliary layer and the buffer layer includes a third emissive compound.

Abstract: The present invention describes amines with dibenzofuran, dibenzothlophene and fluorene groups, especially for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a process for preparing the compounds of the Invention and to electronic devices comprising these.

Abstract: An organic light-emitting device and a preparation method therefor, a display panel, and a display device. The organic light-emitting device comprises an anode layer, a cathode layer, and a first light-emitting layer and an auxiliary light-emitting layer disposed between the anode layer and the cathode layer; the auxiliary light-emitting layer is located between the first light-emitting layer and the cathode layer; the first light-emitting layer comprises a first host material, a first thermally activated delayed fluorescence material, and a first fluorescence guest material; the auxiliary light-emitting layer comprises at least a second host material and a second thermally activated delayed fluorescence material. The first light-emitting layer is a super-fluorescence system, and the auxiliary light-emitting layer also forms a super-fluorescence system together with the first fluorescence guest material.