Abstract: Novel 9 membered ring carbazole compounds are disclosed, which can be used as host materials etc. in an electroluminescent device. Compared with the existing host materials etc., these novel compounds can effectively modulate the charge transporting properties in the above materials and give OLEDs better performance. Also disclosed are an electroluminescent device and a formulation.

Abstract: The present application relates to a compound and an organic electronic device comprising the same.

Abstract: The present invention relates to metal complexes and to electronic devices, especially organic electroluminescent devices, comprising these metal complexes.

Abstract: An organic molecule is disclosed comprising: a first chemical moiety with a structure of formula I, and two second chemical moieties, each at each occurrence 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 electric element for achieving high light-emitting efficiency, low driving voltage and improved lifespan, which comprises a mixture of a compound of Formula (1) and a compound of Formula (2) as a phosphorescent host material; and an electronic device thereof.

Abstract: Provided are an organic electric element and an electronic device comprising the same. According to the present invention, the organic electric element uses a mixture of compounds as a phosphorescent host material which can achieve a high light-emitting efficiency and a low driving voltage and can greatly improve a lifespan in an organic electric element.

Abstract: The invention relates to an organic molecule, in particular for the application in organic optoelectronic devices. According to the invention, the organic molecule has a first chemical moiety with a structure of Formula I, and one second chemical moiety with a structure of Formula II, # represents the binding site of a single bond linking the first chemical moiety to the second chemical moiety; wherein at least one variable of X1, X2 is N, and at least one variable of X3, X4 is N.

Abstract: The present invention relates to a hole injection layer for an OLED comprising a triarylamine compound doped with a charge neutral metal amide compound, characterized in that the hole injection layer has a thickness of at least about ?20 nm to about ?1000 nm and the charge neutral metal amide compound has the Formula Ia.

Abstract: Provided are an organic electric element and an electronic device thereof comprising a mixture of the compounds of Formula 1 and Formula 2 as a phosphorescent host material, and thereby obtaining high light emission efficiency, low driving voltage, and improved lifetime.

Abstract: Described herein are novel platinum(II) emitters. These materials show high emission quantum efficiency, a low self-quenching constant and are stable in thermal deposition process. Organic light-emitting diodes (OLEDs) fabricated from these materials can have pure green emission, high efficiency and low efficiency roll-off.

Abstract: The present invention relates to compounds of formula (I); a process for their production and their use in electronic devices, especially electroluminescent devices. When used as charge transport material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability and/or spectral characteristics of electroluminescent devices.

Abstract: The present invention provides an organic electronic device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises an organic metal complex of formula and a compound of formula Organic light emitting devices (OLEDs) having superior life time, power efficiency, quantum efficiency and/or a low operating voltage are obtained, when the organic layer comprising the compounds of formula I and II constitutes the electron transport layer of an OLED.

Abstract: The present invention relates to an organic light-emitting diode exhibiting high efficiency and longevity. The organic light-emitting diode comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by Chemical Formula A or Chemical Formula B and at least one of the compounds represented by Chemical Formulas H1 to H7, Chemical Formulas A, B, and H1 to H7 being the same as in the specification.

Abstract: This invention discloses a novel multicomponent system or a single compound that is capable of performing triplet-triplet annihilation up conversion process. (TTA-UC) A solution or solid film that comprises this TTA-UC system or compound is provided. This system or compound can be used in an optical or optoelectronic device.

Abstract: The present invention relates to a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.

Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.

Abstract: A condensed cyclic compound and a device including the same are provided. The compound has the structure wherein rings A1-A4 may independently be selected from a C5-C30 carbocyclic ring and a C2-C30 heterocyclic ring, R1 to R4 may independently be selected from Formula 2-1, Formula 2-2, hydrogen, deuterium (-D), —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q1)(Q2)(Q3), —B(Q1)(Q2), —C(?O)(Q1), —S(?O)2(Q1), and —P(?O)(Q1)(Q2). Details, including structures of Formula 2-1 and Formula 2-2, are provided.

Abstract: A polycyclic compound and an organic electroluminescence, the polycyclic compound being represented by the following Formula 1:

Abstract: An organic electroluminescence display device includes a first electrode, a first light emitter on the first electrode, the first light emitter including a first light emitting layer, a first charge generation layer disposed on the first light emitter, a second light emitter on the first charge generation layer, the second light emitter including a second light emitting layer, and a second electrode on the second light emitter. The first light emitter includes a first electron injection enhancing layer on the first light emitting layer. The second light emitter includes an electron injection suppressing layer on the second light emitting layer, the electron injection suppressing layer having electron mobility less than that of the first electron injection enhancing layer.

Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one layer of organic layers including a light emitting layer, disposed between the electrodes, in which at least one of the organic layers contains a compound represented by the following general formula: (R1 to R18 each independently represent a hydrogen atom or a substituent, and at least one of R1 to R8 and R10 to R17 represents -L-NR19R20 (R19 and R20 each independently represent any of an alkyl group, an aryl group, a heteroaryl group. R19 and R20 may be combined to each other to form a ring. L represents a single bond or a divalent linking group). X1 to X18 each independently represent a carbon atom or a nitrogen atom, and when X1 to X18 represent nitrogen atoms, R1 to R18 for bonding do not present.