Abstract: A light emitting element that includes a first electrode, a first hole transport region on the first electrode, a first emission layer on the first hole transport region, a first electron transport region on the first emission layer, and a second electrode on the first electron transport region is provided.

Abstract: Provided is a blue light emitting organic EL device having high emission efficiency and a long lifetime. This organic electroluminescent device includes one or more light emitting layers between an anode and a cathode opposite to each other, wherein at least one of the light emitting layers comprises one or more hosts selected from the indolocarbazole compounds represented by the following general formula (1) and, as a light emitting dopant, a polycyclic aromatic compound represented by the following general formula (2) or a polycyclic aromatic compound having the structure represented by the general formula (2) as a substructure, and wherein in the formulae Z is an indolocarbazole ring-containing group, X1 is O, N—Ar3, S, or Se, and Y1 is B, P, P?O, P?S, Al, Ga, As, Si—R2 or Ge—R3.

Abstract: The invention relates to an organic molecule, in particular for the application in optoelectronic devices. According to the invention, the organic molecule is represented by a plurality of units, wherein each unit includes or consists of a structure represented by Formula IIIe-0 wherein Q1 is selected from the group consisting of C and CRIII; Q2 is selected from the group consisting of C and CRII; Q3 is selected from the group consisting of C and CRI; Q4 is selected from the group consisting of C and CR1; wherein at least one substituent selected from the group consisting of Q2 and Q3 is C; and exactly one substituent selected from the group consisting of Q1 and Q4 is C, if only one substituent selected from the group consisting of Q2 and Q3 is C.

Abstract: Provided is a benzimidazole-substituted fluoranthene compound of Chemical Formula 1: where the substituents are as described in the specification, and an organic light emitting device including the same.

Abstract: An organic molecule for the application in optoelectronic devices is disclosed having a structure of Formula I: wherein RI, RII, RIII and RIV are independently from another selected from the group consisting of: hydrogen, deuterium, N(R5)2, OR5, SR5, Si(R5)3, B(OR5)2, OSO2R5, CF3, CN, halogen, C1-C40-alkyl, C1-C40-alkoxy, C1-C40-thioalkoxy, C2-C40-alkenyl, C2-C40-alkynyl, C6-C60-aryl, and C3-C57-heteroaryl, and RV is selected from the group of C1-C5 alkyl, C6-C18 aryl, and C3-C15 heteroaryl.

Abstract: A compound represented by a formula (1) and having at least one deuterium atom is provided. In the formula (1), n is 1 to 4, L1 is a divalent group or a group represented by a formula (11) and R111 to R119 and R211 to R219 are each independently a hydrogen atom or a substituent, where the compound represented by the formula (1) does not include a group represented by —N(R906) (R907) and R906 and R907 are each independently a hydrogen atom, an alkyl group having 1 to 50 carbon atoms, or the like. In the formula (11), X13 is an oxygen atom or a sulfur atom, Y1 to Y8 are each independently CR300 or a nitrogen atom, and two of R300 are a single bond bonded with *a or other L1 and a single bond bonded with *b or other L1.

Abstract: A light emitting diode of an embodiment includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a polycyclic compound represented by Formula A or Formula B, 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: 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.