Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a compound having a structure of Formula 1. In particular, Formula 1 comprises a particular substituent. These new compounds can be used as light-emitting materials in organic electroluminescent devices, achieve the desired green or yellow light emission and have excellent performance, thus possessing potential application prospects to become excellent light-emitting materials. Further provided are an organic electroluminescent device comprising the compound and a composition comprising the compound.

Abstract: Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a compound having a structure of Formula 1. The compound can be used as a host material, an electron transporting material or a hole blocking material in the organic electroluminescent device and can significantly improve the overall performance of the device, for example, high device efficiency, a low driving voltage and/or a significantly improved lifetime of the device. Further provided is a compound composition comprising a structure of Formula 1.

Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer at least comprises a first compound having a structure of H-L-E and a second compound having a structure of Formula 2. The first compound and the second compound can be used as the host material in organic electroluminescent devices. The electroluminescent device has a long device lifetime and can provide better device performance. Further provided is a compound composition.

Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a compound having a structure represented by Formula 1, and particularly, Formula 1 includes a specific substituent. These new compounds can be used as light-emitting materials for organic electroluminescent devices, achieve orange to red light emission, possess a strong hole trapping capability, and have potential for application as excellent light-emitting materials. Further provided are an organic electroluminescent device including the compound and a compound composition including the compound.

Abstract: Provided are an organic electroluminescent material, a device thereof, and a display device. The organic electroluminescent material is a compound having a structure represented by Formula 1. An organic electroluminescent device using the compound as a fluorescent material can achieve particular green light emission and has a relatively narrow full width at half maximum (FWHM), a relatively low driving voltage, and relatively high device efficiency (CE, PE, and EQE), thus exhibiting excellent overall performance. Further provided are an organic electroluminescent device comprising the organic electroluminescent material, a display device thereof, and a compound composition comprising the organic electroluminescent material.

Abstract: The present disclosure relates to an organic electronic device, for example, an organic light-emitting device. More particularly, the present disclosure relates to a light-emitting device comprising a phosphorescence sensitizer and a fluorescent material. The phosphorescence sensitizer is a metal complex, and the metal is Ir. The phosphorescence sensitizer comprises a structure represented by a fragment of Formula 1. The fluorescent material comprises at least one B atom. The organic electroluminescent device disclosed in the present disclosure has better device performance. In particular, the organic electroluminescent device has apparent effects and advantages in terms of CE and EQE and has a relatively low voltage, thereby better improving the overall performance of the electroluminescent device. Further provided are a material combination comprising the phosphorescence sensitizer and the fluorescent material and a display assembly.

Abstract: A compound having the formula (LA)mIr(LB)3-m, where LA is and LB is is disclosed. In the formula (LA)mIr(LB)3-m, LA and LB are different; each of X1 to X5 is C—RF or nitrogen; X is selected from O, S, and Se; each R1, R2, RB, RD, and RF is hydrogen or a substituent; R3 is alkyl, cycloalkyl, or a combination thereof; and m is 1 or 2. OLEDs, consumer products, and formulations including the compound are also disclosed.

Abstract: Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a compound having a structure of Formula 1. These new compounds may be used as light-emitting materials in organic electroluminescent devices and can provide better device performance such as improved current efficiency and power efficiency. Further provided are an organic electroluminescent device comprising a compound having a structure of Formula 1 and a compound composition comprising a compound having a structure of Formula 1.

Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first organic layer, the first organic layer comprises a first compound and a second compound, the first compound has specific HOMO and/or LUMO energy levels and a structure represented by Formula 1-1, and the second compound has a specific LUMO energy level and a structure represented by Formula 2-1. Compared with the related art, the combination of the first compound and the second compound can significantly improve the performance of the organic electroluminescent device, such as the efficiency of the device. Further provided is an electronic device comprising the organic electroluminescent device.

Abstract: Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a polycyclic compound having a structure of Formula 1, and the compound is usable as a TADF material in an organic electroluminescent device. The polycyclic compound has a modulation effect on an emitted color, can achieve the desired orange to red luminescence, and has deep HOMO and LUMO energy levels, thus possessing a potential to become an excellent light-emitting material and having a very broad industrial application prospect. Further provided are an organic electroluminescent device comprising the compound and a compound composition comprising the compound.

Abstract: Provided are an electroluminescent material and a device thereof. The electroluminescent material is a metal complex having a ligand represented by Formula 1 and can be used as light-emitting materials in electroluminescent devices. These new metal complexes can effectively regulate and control the luminescence wavelength, reduce the drive voltage of electroluminescent devices, greatly improve the current efficiency, power efficiency and EQE of electroluminescent devices, prolong the device lifetime, and provide better device performance. Further provided are an electroluminescent device and a compound composition.

Abstract: Organic luminescent materials containing fluorine ancillary ligands are disclosed, which can be used as emitters in the emissive layer of an organic electroluminescent device. The organic luminescent materials is metal complexes which comprise a new series of fluorine containing acetylacetone type ancillary ligands. These novel ligands are effective in tuning the emission color, changing the sublimation properties, improving quantum efficiency and improving device performance. Also disclosed is an electroluminescent device and a formulation.

Abstract: Disclosed are organic electroluminescent material and device. The organic electroluminescent material is a metal complex with a structure of Formula 1. These novel metal complexes can be used in electroluminescent device, and show more excellent performance, for example, they can reduce the driving voltage and full width at half maximum, obtain more saturated light emission, improve the efficiency and the lifetime of the device, and finally, it can improve the comprehensive performance of the device significantly.

Abstract: The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.

Abstract: A compound having a formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1 or 2; y and z are independently 0, 1, or 2; x+y+z is the oxidation state of the metal M; A1-A8 are carbon or nitrogen; ring B is bonded to ring A through a C—C bond; M is bonded to ring A through a M-C bond; X is O, S, Se, CRR?, or NR1; rings C and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; at least one R4 is a five-membered or six-membered heterocyclic ring which can be further substituted by RE; each R substituent is independently selected from the several substituents; and any adjacent R substitutents are optionally joined to form a ring.

Abstract: Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is compounds having a structure of Formula 1, and the compounds can be used in organic electroluminescent devices, for example, used as electron blocking materials. When applied in organic electroluminescent devices, these compounds can maintain a low voltage or significantly reduce the voltage, maintain high efficiency or significantly improve efficiency, and particularly, unexpectedly and dramatically enhance the device lifetime, thereby providing superior overall device performance. Further provided are an organic electroluminescent device comprising the compound and a compound composition comprising the compound.

Abstract: Provided are an organic electroluminescent material and device. The organic electroluminescent material is a compound having a structure of Formula 1. The compound may be used as a host material, an electron transporting material, or a hole blocking material in an organic electroluminescent device and can greatly improve device performance, for example, improve device efficiency and achieve an unexpectedly significant improvement in device lifetime. Further provided are an organic electroluminescent device comprising the organic electroluminescent material and a compound composition comprising the organic electroluminescent material.

Abstract: A first device including a first organic light emitting device is provided. The first OLED includes an anode; a cathode; and a first emissive layer, disposed between the anode and the cathode, comprising a first emissive dopant that is a phosphorescent metal compound having an emission peak wavelength between 530 nm to 580 nm. The first device also includes a second emissive layer that includes a fluorescent compound, a phosphorescent compound, or both; and the first device is capable of emitting white light.

Abstract: Novel compounds comprising heteroleptic iridium complexes are provided. The compounds have a particular combination of ligands which includes a single pyridyl dibenzo-substituted ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants, to provide devices having improved efficiency, lifetime, and manufacturing.

Abstract: Provided is an electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises a first compound having a structure of H-L1-E and a second compound having a general formula of M(La)m(Lb)n(Lc)q, and the device has at least one maximum emission wavelength greater than 630 nm. Such a new material composition consisting of the first compound and the second compound can be used in a light-emitting layer of the electroluminescent device. The new material composition can achieve the emission of deep red light in the device, significantly reduce a drive voltage of the device while significantly improving device efficiency and/or a device lifetime, and provide better device performance. Further provided is a display assembly.