1853 results about "Organic light emitting device" patented technology

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to a boron-nitrogen compound with a polynary fused ring, an OLED (Organic Light Emitting Diode) with the compound and an organic light-emitting device with the compound. According to the boron-nitrogen compound disclosed by the invention, through matching of a fused heterocyclic structure and limited groups such as tertiary butyl and naphthenic base, the thermal stability of the compound can be improved, and the boron-nitrogen compound has an excellent luminescence characteristic; the boron-nitrogen compound provided by the invention is used as a light-emitting layer material, so that the organic light-emitting device can effectively have lower driving voltage and maintain the stability of the voltage, and the light-emitting efficiency is improved.

The present disclosure relates to a novel compound and an organic light emitting device comprising the same.

The present specification relates to a heterocyclic compound of chemical formula 1, an organic light-emitting device comprising same, and a composition for forming an organic material layer of the organic light-emitting device.

The present invention provides a novel compound and an organic light emitting device comprising the same.

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an electron transport material, an OLED with the electron transport material and an organic light-emitting device with the electron transport material. According to the electron transport material disclosed by the invention, triazinyl is taken as a framework, phenyl and cyano-substituted biphenyl is taken as a specific substituent group, methyl, adamantyl, phenyl and pyridyl are limited to be matched, and the electron transport material is used as a material for forming an electron transport layer to manufacture an organic electroluminescent device, so that the evaporation process of the device can be smoothly carried out; and the light-emitting efficiency of the organic light-emitting device is effectively improved, and the application prospect is very good.

A compound of Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material of an organic material layer of the organic light emitting device, and provides high color purity, high efficiency and enhanced lifetime properties.

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an organic small molecule compound, an OLED with the compound and an organic light-emitting device with the compound. According to the organic small molecule compound, the dibenzoheterocycle on the triarylamine compound is substituted and matched, and the organic small molecule compound is used as a material for forming a light-emitting auxiliary layer to manufacture an organic EL element, so that the evaporation process of the device can be smoothly carried out, the light-emitting efficiency of the organic light-emitting device is effectively improved, and the organic small molecule compound has a very good application prospect.

The invention discloses an arylamine compound, a composition containing the arylamine compound and an organic light-emitting device. The structure of the arylamine compound is as shown in the following formula (1): # imgabs0 # formula (1). Wherein ring A is selected from substituted or unsubstituted phenanthrene ring; b is selected from structural substituents as shown in the following formula (2); # imgabs 1 # formula (2). And ring C is selected from a substituted or unsubstituted benzene ring, a substituted or unsubstituted naphthalene ring and a substituted or unsubstituted phenanthrene ring. The arylamine compound provided by the invention has a series of excellent physical and chemical characteristics, and has a good application prospect in the photoelectric field. Specifically, the arylamine compound has excellent photoelectric stability, can effectively resist performance degradation caused by illumination and current change, and ensures stable output of the device in long-time operation. The light-emitting diode has the advantages of low sublimation temperature, low driving voltage, high light-emitting efficiency and long device service life.

The present invention provides a novel compound and an organic light emitting device comprising the same.

The present invention provides a novel compound and an organic light emitting device comprising the same.

Provided are organic compounds comprising as the central structure two 6-membered aromatic rings which are bond to each other via a direct bond, wherein a first ring of the two 6-membered aromatic rings comprises at least one nitrogen atom but not more than three nitrogen atoms. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.

A novel compound of Chemical Formula 1:wherein in the Chemical Formula 1: n is an integer of 1 to 6; X is O or S; L1 and L2 are each independently a single bond, substituted or unsubstituted C6-60 arylene, or substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; Ar1 is cyano, substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and Ar2 and Ar3 are each independently substituted or unsubstituted C6-60 aryl or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and an organic light emitting device including the same.

The present specification provides an organic light-emitting device including a positive electrode, a negative electrode, and one or more organic material layers provided between the positive electrode and the negative electrode, the one or more organic material layers including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2.

The invention relates to a compound and an organic light-emitting device, in particular to a novel organic light-emitting material, and synergistic improvement of various excellent properties is achieved through careful design of a molecular structure. Because deuteration is carried out on active sites of respective structures, the compounds have good thermal stability, chemical stability and photoelectric stability. Meanwhile, the compound has good carrier mobility, an exciton recombination region is further widened, the service life of a device is prolonged, and the efficiency of the device is improved. And # imgabs0 #.

The invention discloses an organic compound, and an organic light emitting diode and an organic light emitting device comprising the same. For example, the organic compound is represented by the following chemical formula. The organic light-emitting diode and the organic light-emitting device each contain the organic compound. # imgabs0 #

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to an organic light-emitting device and a display or lighting device comprising the organic light-emitting device. A hole transport layer compound of the device is obtained by taking a phenyl and alkyl fixed substituted fluorenyl structure as a core fragment and taking a benzo five-membered ring and a limited substituted benzene ring as two side chains of amido, and is matched with a limiting material of a light-emitting auxiliary layer to manufacture an OLED (Organic Light Emitting Diode) element; the light-emitting efficiency and the working life of the organic light-emitting device are effectively improved, and the application prospect is very good.

The present specification relates to a compound of Chemical Formula 1 and an organic light-emitting device comprising the same.

The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same.

An organic light emitting device that includes a substrate; and an organic light emitting diode including a first electrode, an organic emitting layer and a second electrode, wherein the organic emitting layer includes at least three emitting material layers, and at least one of the three emitting material layers includes a deuterated compound.

A compound of Formula 1 and an organic light emitting device including the same, and the compound providing low driving voltage, high light emitting efficiency, and a long service life of the organic light emitting device.

The present specification provides an organic light-emitting device comprising a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2.

The invention belongs to the technical field of organic semiconductors, and discloses a compound with a benzobisoxazole structure and an organic electroluminescent device containing the compound. The compound with the benzobisoxazole structure has the following mechanism: # imgabs0 #, which is used as a charge transport material and a charge injection material in the organic electroluminescent device, especially as a hole injection layer material, and can greatly improve the voltage, service life and other properties of the organic electroluminescent device.

The present invention relates to a novel compound and an organic light emitting device comprising same and, more specifically, to a novel compound and an organic light emitting device comprising same, wherein the novel compound is represented by chemical formula 1, and has two diazaspirobifluorenes as a core and thus is applicable to a host for a charge generation layer (CGL), especially, an N-type charge generation layer (nCGL), in a tandem device, so that the device can achieve low-driving voltage, high efficiency, and long lifespan.

The present invention relates to a novel compound and an organic light emitting device comprising same and, more specifically, to a novel compound and a tandem-type organic light emitting device comprising same, wherein the novel compound is represented by chemical formula 1, and has a diazaspirobifluorene as a core and thus is applicable to a host for a charge generation layer (CGL), especially, an N-type charge generation layer (nCGL), in a tandem device, so that the device can achieve low-driving voltage, high efficiency, and long lifespan.

Embodiments of the disclosed subject matter provide a device including a plasmonic phosphorescent organic light emitting device (PHOLED) having an anode and a cathode having a thickness of about 5-100 nm. An emissive stack is disposed between the anode and the cathode and configured to produce excitons, and having a phosphorescent first emissive layer comprising an organic phosphorescent first emissive material. The device includes an enhancement layer comprising a plasmonic material exhibiting a surface plasmon resonance that non-radiatively couples to at least the organic phosphorescent first emissive material and transfers excited state energy from the first emissive material to non-radiative modes of the plasmonic material. The device is configured to generate less than 1° C. rise in Temp for every 2.26 mW / cm2 of operating power applied to the device.

The present invention relates to an organic light emitting device. In particular, the present invention relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer comprising an anthracene-based host substituted with at least one deuterium and a boron-based dopant, at least one electron blocking layer comprising an amine-based compound substituted with aryl group, and optionally at least one hole blocking layer comprising at least one of an azine-based compound and a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.

The invention relates to the technical field of display, in particular to a deuterated oxazole ring organic compound and application thereof. The deuterated oxazole ring organic compound provided by the invention has the following general formula structure: # imgabs0 # is based on the structure of a formula (1), and deuterium atoms are introduced into the compound as shown in the formula (1), so that the stability of the organic compound can be effectively improved, and the service life of a device is further prolonged; the position of the deuteration is further limited, so that the HOMO and LUMO energy levels of the organic compound are well matched with adjacent energy levels, the carrier mobility is well balanced, and the device has the advantages of low voltage and high efficiency while having long service life; in conclusion, the deuterated oxazole ring organic compound provided by the invention has excellent properties, so that the prepared organic light-emitting device has the characteristics of low driving voltage, high light-emitting efficiency and long service life.