Abstract: Provided is a compound of Chemical Formula 1: wherein: each X is independently N or CH, provided that at least one X is N; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O and S; Ar3 is a substituted or unsubstituted C5-60 heteroaryl containing at least one N; D is a substituent of any one of the following Chemical Formulas 2-1 to 2-3: wherein: Y1 is O, S, NR2, or CR3R4; n is an integer of 0 to 10; each R1 is independently hydrogen, deuterium, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C6-60 aryl, or C5-60 heteroaryl containing one or more of N, O and S; and R2 to R4 are each independently a substituted or unsubstituted C1-60 alkyl or a substituted or unsubstituted C6-60 aryl, and an organic light emitting device comprising the same.

Abstract: A compound is represented by a formula (1). n is 2 to 4, m is 1 to 4, q is 0 to 3, and m+n+q=6; CN is a cyano group; D1 is a group represented by a formula (2), (3) or (3X), the plurality of D1 are the same; and Rx is a hydrogen atom or substituent. R1 to R8 are each independently a hydrogen atom or substituent. R31 to R38 and R41 to R48 are each independently a hydrogen atom or substituent; p, px and py are each independently 1 to 4; A to C are each independently a cyclic structure represented by a formula (131) or (132). R19 and R20 are each independently a hydrogen atom or substituent. X1 is a sulfur atom or the like, and * represents a bonding position with a carbon atom of a benzene ring in the formula (1).

Abstract: Provided is a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element, an organic electric element using the same, and an electronic device therefor.

Abstract: Provided are a heterocyclic compound represented by Formula 1, a light emitting device including the same, and an apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and at least one of the heterocyclic compound represented by Formula 1.

Abstract: An OLED material may reduce the driving voltage of an OLED and/or increase the device lifetime compared to conventional OLED materials, specifically an aromatic amine, N(Ara)(Arb)(Arc), wherein Ara is of formula (II) La being a single bond or arylene, R1 to R4 being alkyl, aryl, etc., R3 and R4 optionally being bonded to form a ring, o being 0 to 3, and p being 0 to 4, wherein Arb is of formula (III) and Arc is aryl or of formula (III) X is NRa, O, or S, and Ra and R5 to R7 being alkyl, aryl, etc., R5's, R6's, or R7's adjacent to each other, or R5 and R6 optionally being bonded to form a ring, n being 2 to 4 when X is NRa, and 0 to 4 when X is O or S, q is 0 to 3, r and s are independently 0 to 4.

Abstract: An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.

Abstract: An ionic phosphorescent metal complex has a formula of formula (I). R1 and R2 are the same or different, and are independently selected from alkyl, aryl and heteroaryl, wherein the alkyl, aryl and heteroaryl are optionally substituted with 1-5 of the following groups: halogen, alkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, arylamino, diarylamino, haloalkyl, cyano, nitro, alkenyl, aryl and heteroaryl optionally substituted with 1-3 aryl groups; R3 is independently selected from halogen, alkyl, haloalkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, cyano, nitro or alkenyl; M is Cu(I), Ag(I) or Au(I). The organic light-emitting diode prepared by using the phosphorescent metal complex of formula (I) as a dopant for an emissive layer is capable of achieving high-performance organic electroluminescence and is applicable to the fields of lighting and flat-panel display.

Abstract: An organic compound represented by formula [1] or [2]: where X1 to X18 and X21 to X38 are each independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group, and a cyano group, in which at least one of X1 to X8 and at least one of X21 to X28 are substituted or unsubstituted amino groups; and each Y is oxygen, sulfur, selenium, tellurium, or a CR1CR2 group and may be the same or different, in which R1 and R2 are each independently selected from a hydrogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group, or a cyano group.

Abstract: An organic molecule having a structure of formula I: wherein T and V is independently from another selected from the group consisting of R1 and R2; and R1 has a structure of formula II: which is bonded via the position marked by the dotted line, wherein Ar1 is C6-C60-aryl.

Abstract: Polycyclic aromatic hydrocarbons represented by the following general formula (I) wherein X is one of nitrogen, phosphorus, arsenic, antimony, bismuth, sulphur, selenium, tellurium; R independently represents an aromatic group and/or an aliphatic group; Q is one of a cyclic aliphatic hydrocarbon, a cyclic aromatic hydrocarbon, a polycyclic hydrocarbon, a polycyclic aromatic hydrocarbon, and/or a fused polycyclic aromatic hydrocarbon; wherein the substituents independently comprise one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g. an alkylated nitrogen atom), a cyano group, a nitro group, an alkyl group and/or anaryl group; p is an integer of 1 to 2; q is an integer of 1 to 4; Y1 and Y2 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g.

Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer located between the anode and the cathode and including an emission layer; an electron blocking layer located between the anode and the emission layer and in direct contact with the emission layer; and a hole blocking layer located between the cathode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the electron blocking layer may be an electron blocking material, the hole blocking layer may include a hole blocking material, and the host, the dopant, the electron blocking material, and the hole blocking material may each satisfy Equations 1-1 to 1-4: T1(EB)?T1(H)??Equation 1-1 T1(EB)?T1(D)??Equation 1-2 T1(HB)>T1(H)??Equation 1-3 T1(HB)>T1(D).

Abstract: The present invention is directed to an organic light emitting diode (100) comprising: at least one anode electrode (120); at least one emission layer (150), wherein the emission layer comprises at least one emitter dopant that emits visible light at operation of the OLED (100); an electron transport layer stack (160) of at least two electron transport layers (161/162), and wherein a) the first electron transport layer (161) comprises i) a first organic aromatic matrix compound having a MW of about ?400 to about ?1000 and a dipole moment of about ?0 Debye and about ?2.5 Debye, wherein the first electron transport layer (161) is free of a polar organic aromatic phosphine compound; and b) the second electron transport layer (162) comprises two organic aromatic matrix compounds, which are a mixture of: i) the first organic aromatic matrix compound; and ii) a polar organic aromatic phosphine compound having a MW of about ?400 to about ?1000, and a dipole moment of about >2.

Abstract: The present invention relates to a compound represented by Formula 1 and an organic electroluminescent element including the same, and provides an organic compound which is excellent in service life, efficiency, electrochemical stability, and thermal stability, and an organic electroluminescent element including the same.

Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.

Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).

Abstract: Provided is an organic electroluminescence device including 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, in which the hole transport region includes a condensed cyclic compound, thereby securing high emission efficiency.

Abstract: The present disclosure provides a compound having a structure represented by Formula 1, where X1-X4 are each independently selected from a carbon atom or a nitrogen atom, and at least two of X1-X4 are each a nitrogen atom; R1-R4 are independently absent or selected from hydrogen, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkylthio, C1-C20 alkylamino, C6-C30 aryl, or C2-C30 heteroaryl; m is 1 or 2; n and q are each independently selected from 0, 1, or 2, n+q?1, and m+n+q=3; Ar is C6-C30 aryl. The molecular structure of the compound has a nitrogen-containing multidentate ligand suitable to form complexes with metal Yb or LiQ to form a metal organic complex having multidentate bondings. When applied to an OLED device, it can effectively lower the turn-on voltage and operating voltage, improve the efficiency, and prolong lifetime of the OLED device.

Abstract: An organic molecule is disclosed having: one first chemical moiety with a structure of Formula I, and three second chemical moieties, each independently from another with a structure of Formula II, wherein the first chemical moiety is linked to each of the three second chemical moieties via a single bond.

Abstract: An organic compound has a structure as shown in Formula (I). The compound has a phosphorus-oxygen five-membered ring combined with a five-membered ring as an electron acceptor unit. The compound has a high luminous efficiency and a lower material cost than phosphorescent metal complexes. The compound can be built into a stack structure of organic optoelectronic device, such as OLED. The resultant organic optoelectronic device includes an anode, a cathode, and at least one organic thin film located between the anode and the cathode, the organic thin film contains the compound as shown in Formula (I).

Abstract: Compounds that are organic radicals that can have a dual function. The compounds can be fluorescent emitters that emit in the near-IR. The compounds can also facilitate reverse intersystem crossing (RISC) to convert triplet excitons in an OLED to singlet excited states to maximize utilization of generated excitons in the OLED and approach 100% internal quantum efficiency.