Abstract: Provided are a near-infrared light-emitting diode including an osmium (Os)-containing organometallic compound and a device including the near-infrared light-emitting diode. The near-infrared light-emitting diode includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, where the organic layer includes a near-infrared light-emitting layer, the near-infrared light-emitting layer includes the osmium (Os)-containing organometallic compound.

Abstract: A positive resist composition comprising a base polymer comprising repeat units having the structure of a sulfonium salt of a substituted or unsubstituted salicylic acid exhibits a high sensitivity, high resolution, low edge roughness and small size variation, and forms a pattern of good profile after exposure and development.

Abstract: Provided is a compound of Formula 1: Ar1 to Ar4 are each independently hydrogen, deuterium, a halogen group, a nitrile group, or a substituted or unsubstituted: silyl, boron, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, cycloalkyl, aryl, or heterocyclic group, or adjacent groups are bonded together to form a substituted or unsubstituted aliphatic hydrocarbon ring; A1 and A2 are each independently hydrogen, deuterium, a halogen group, a nitrile group, or a substituted or unsubstituted: silyl, boron, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, cycloalkyl, aryl, or heterocyclic group, or are bonded together to form a substituted or unsubstituted ring; R1 to R3 are each independently hydrogen, deuterium, a halogen group, a nitrile group, or a substituted or unsubstituted; silyl, boron, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, cycloalkyl, aryl, amine, or heterocyclic group; and n1 to n3 are each 0 to 3, and 2 or more, the substituents are the same as or different from each other, and an organic light emitting d

Abstract: Novel Pt tetradentate complexes having Pt—O bond is disclosed. These complexes are useful as emitters in phosphorescent OLEDs.

Abstract: Fluorine substituted metal complexes as efficient phosphorescent emitters is disclosed. The fluorine substitution is at para position of a phenyl group.

Abstract: Provided are compounds comprising a ligand LA of Formula I

Abstract: A light emitting device includes a transparent organic light emitting device and a quarter-wave plate. The transparent organic light emitting device includes a chiral complex emitter and produces circularly polarized light, and the quarter-wave plate converts the circularly polarized light into linearly polarized light. Generating linearly polarized light includes generating circularly polarized light via a transparent organic light emitting device including a chiral complex emitter, and passing the circularly polarized light through a quarter-wave plate to yield linearly polarized light.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: Y1 is O or S; Ar1 is a substituted C6-60 aryl; or a substituted or unsubstituted C1-60 heteroaryl containing one or more heteroatoms selected from among O, N, Si, and S; L is a single bond; a substituted or unsubstituted C6-60 arylene; or a substituted or unsubstituted C1-60 heteroarylene containing one or more heteroatoms selected from among O, N, Si, and S; R1 to R3 are each independently hydrogen; deuterium; a halogen; cyano; nitro; amino; a substituted or unsubstituted C1-60 alkyl; a substituted or unsubstituted C1-60 haloalkyl; or a substituted or unsubstituted: C1-60 alkoxy, C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, or C1-60 heteroaryl containing one or more heteroatoms selected from among N, O, and S, and n1 to n3 are each independently 1 to 5, and an organic light emitting device including the same.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having lower operating voltage, higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.

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

Abstract: Circulene compounds of Formula I or Formula II, and organic light emitting devices (OLED) that include an organic layer disposed between an anode and a cathode, wherein the organic layer includes a compound of Formula I or Formula II. In addition, the OLED can be incorporated into one or more of a consumer product, for example, an electronic component module, and/or a lighting panel.

Abstract: According to the present invention, an organic light-emitting composite and a method of manufacturing the organic light-emitting composite are provided. According to exemplary embodiments, an organic light-emitting composite includes a polymer matrix; a first light-emitting material provided in the polymer matrix; and a second light-emitting material provided in the polymer matrix and obtained by oxidizing the first light-emitting material, wherein the second light-emitting material may have the same molecular weight as that of the first light emitting-material.

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

Abstract: Compounds, and polymers thereof, useful dopants for light emitting diodes and light emitting display devices are disclosed. The compounds have the following structure Formula 1: wherein R1, R2, R3, R4, L1, L2, L3, L4, a, b, c and d are as defined herein. Light emitting diodes including compounds of Formula 1 (and polymers thereof, i.e., compounds of Formula 3), light emitting devices including the same as well as methods associated with preparation and use of such compounds, polymers and devices are also provided.

Abstract: A compound having a structure of formula Ir(LA)m(LB)n, where ligand LA has Formula I and ligand LB has Formula II that is useful as an emitter in OLEDs is disclosed.

Abstract: The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a blue thermally activated delayed fluorescence material, a synthesis method thereof, and use thereof. The blue thermally activated delayed fluorescence material has a following structural formula: the present disclosure provides a novel blue thermally activated delayed fluorescence material which has a lower singlet triplet energy level difference, a high RISC rate constant (kRISC), and a high photoluminescence quantum yield (PLQY) by finely adjusting a structure of electron acceptor units, making them have different abilities to accept electrons, thereby realizing fine adjustment of spectrum in the deep blue range.

Abstract: Provided are an organic light-emitting device having improved luminescent efficiency and a compound.

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

Abstract: Provided are an organic electronic element and an electronic device therefor, the organic electronic element having a mixture of a compound according to the present invention used as a material therefor, thereby enabling the achievement of high light-emitting efficiency and low driving voltage of the organic electronic element, and enabling the life of the element to be greatly extended.

Abstract: A compound comprising a ligand LA of Formulae I, II, or III wherein the ligand LA is coordinated to a transition metal M, and optionally, M is also coordinated to a ligand LB; A is N, B, or CR7; Y is absent, or selected from the group consisting of C(O), C(Rya)(Ryb), C?C(Rya)(Ryb), and Si(Rya)(Ryb), where if Y of Ring A is absent then ring carbon of R2 is bonded to N; wherein for the compounds of formula III at least one of R2, R3, and R4 is selected from N(Ar1)RN? or aryloxy; wherein Ar1 is selected from aryl or heteroaryl, each of which is optionally substituted. An OLED that includes an organic layer disposed between an anode and a cathode, and the organic layer includes a compound comprising a ligand LA of Formulae I, II, or III above. The OLED can be incorporated into one or more of a consumer product, e.g., an electronic component module, a flat panel display, e.g., a display for a phone, television, laptop, and/or a lighting panel for either commercial or residential applications.