10 results about "Benzanthracene" patented technology

The application belongs to the technical field of OLED, and specifically comprises an organic compound for a double light-emitting layer blue light device and application thereof.The structural general formula of the organic compound is shown in the following.The application can fully exert the double light-emitting layer mechanism by directly connecting a benzofuranphenanthrol group at the 7th position of a benzanthracene nucleus, improve the device efficiency, and further, when the benzanthracene nucleus directly connected position is a phenanthrene group fragment on the benzofuranphenanthrol group, the electron mobility can be further enhanced, so that the prepared device obtains lower voltage and higher efficiency.In summary, the application improves the voltage and efficiency of the double light-emitting layer device through special design of the substituent and substitution site on the benzanthracene nucleus.I

This invention provides a pyrene-containing benzanthracene compound, an intermediate, and an organic electroluminescent device, relating to the field of organic electroluminescent materials technology. By designing the structure of the compound, this invention enables it to serve as the main material for the light-emitting layer of an OLED device, resulting in OLED devices exhibiting lower driving voltage, higher current efficiency, and longer lifetime.

This invention relates to a metal-doped three-dimensional covalent organic framework material, formed by linking a 9,10-dihydro-9,10-[1,2]benzanthracene framework and a metal-doped β-tetraroxyporphyrin framework via nitrogen atoms. The 9,10-dihydro-9,10-[1,2]benzanthracene framework includes two first-dimensional linking sites, two second-dimensional linking sites, and two third-dimensional linking sites. For any 9,10-dihydro-9,10-[1,2]benzanthracene framework, at least one first-dimensional linking site is connected to a nitrogen atom via a double bond, at least one second-dimensional linking site is connected to a nitrogen atom via a double bond, and at least one third-dimensional linking site is connected to a nitrogen atom via a double bond. The four R groups of the metal-doped β-tetraroxyporphyrin framework are each connected to a nitrogen atom via a single bond. The metal includes one of cerium, iridium, platinum, and gold. The material of this invention can shorten the mass transfer path, reduce charge hindrance, improve the conductivity and catalytic activity of the material, accelerate proton conduction, and enhance mass transfer reaction kinetics, providing a highly efficient catalytic platform for electrochemical reactions.

The invention relates to the technical field of organic photoelectric materials, and particularly discloses an aryl tri-substituted benzanthracene organic electroluminescent compound and a double-luminescent-layer organic electroluminescent device thereof. The structural general formula of the aryl tri-substituted benzanthracene organic electroluminescent compound is as shown in formula I, and Ar1 and Ar3 independently represent any one or a combination of any two of deuterated or non-deuterated aryl with the carbon atom number of 6-30 and deuterated or non-deuterated fused ring aryl with the carbon atom number of 10-30; ar2 represents a deuterated or non-deuterated phenyl group or naphthyl group; any hydrogen in the formula I can be independently substituted by deuterium. According to the present invention, by simultaneously introducing the substituent groups of the present invention to the 4 # site, the 7 # site and the 12 # site of benzanthracene, the thermal stability of the compound can be improved, and the molecular orientation can be improved, such that the PL spectrum peak value of the compound and the absorption spectrum of the BD material can well overlap so as to easily achieve energy transfer. I.

The application belongs to the technical field of OLED and specifically comprises an organic compound for a blue light device and a blue light organic electroluminescent device. The structural general formula of the organic compound is shown in the following. The application directly connects a benzofuranphenanthrol group to the 12th position of a benzanthracene nucleus, which can utilize the oxygen atom on the furan to increase the polarity and intermolecular interaction of the molecule, improve the molecular orientation when the material is stacked, thereby strengthen the permanent spontaneous orientation polarization effect, and obtain a better voltage improvement effect; on the other hand, the direct connection of the phenanthrene ring on the benzofuranphenanthrol group to the 12th position of the benzanthracene can improve the electron mobility of the material, thereby improving the electron density in the light-emitting layer, and with the increase of the electron density, the carrier recombination probability can be significantly improved, thereby reducing the accumulation of holes in the light-emitting layer, reducing the exciton quenching condition, and improving the device efficiency.I

The application belongs to the technical field of OLED and specifically comprises an organic compound for a double light-emitting layer blue light device and a double light-emitting layer blue light organic electroluminescent device comprising the same. The structural general formula of the organic compound is shown in the following. By introducing a triphenyleno[1,12-bcd]furan group on a benzanthracene nucleus, the benzanthracene nucleus has a rigid planar structure, weak electron-withdrawing ability, and excellent thermal stability and chemical stability. In addition, the triphenylene skeleton also has an energy level structure suitable for a multi-channel high-energy level reverse intersystem crossing process. After connecting the triphenyleno[1,12-bcd]furan structure and the benzanthracene nucleus directly, the HOMO and LUMO energy levels of the material can be regulated, the carrier injection barrier is reduced, and the prepared double light-emitting layer device has a significant improvement in voltage, efficiency and lifetime.I.

The present application belongs to the technical field of polycyclic aromatic hydrocarbon artificial antigen synthesis, and relates to a novel complete antigen synthesis method for detecting polycyclic aromatic hydrocarbon (PAHs), benzanthracene. The present application successfully prepares a hapten through a Friedel-Crafts acylation reaction, and prepares a complete antigen by coupling the hapten esterized hapten with a carrier protein. The complete antigens have been identified. The present application provides a novel hapten screening, preparation and efficient artificial antigen preparation method for the immunological analysis method of benzanthracene.

The invention discloses an organic electroluminescent material, a double-host organic electroluminescent material and a luminescent device, and relates to the technical field of organic electroluminescent materials. The tetraphenyl ring or benzanthracene ring in the structure of the organic electroluminescent material with the structure of the general formula 1 provided by the invention has an expanded large conjugated system, and the unique electronic structure endows the material with relatively high fluorescence quantum efficiency, so that absorbed energy can be efficiently converted into fluorescence radiation. The structure shown in the general formula 1 and the structure shown in the general formula 2 are jointly used as the double-main-body organic electroluminescent material, triplet excitons are dispersed on two main bodies through the double-main-body material, triplet-triplet annihilation (TTA) is reduced, the driving voltage of the organic electroluminescent device is reduced, meanwhile, the luminous efficiency of the device can be improved, and the service life of the device can be prolonged.

This invention relates to the field of organic electroluminescence technology, specifically to a phosphine-containing TADF compound, its preparation method, and its applications. The general formula of the phosphine-containing TADF compound is: [Formula omitted for brevity]. Ar is any one of phenyl, deuterated phenyl, biphenyl, partially deuterated biphenyl, terphenyl, partially deuterated terphenyl, naphthyl, 9-phenylanthrayl, pyrene, phenanthryl, thionyl, benzanthracene, dibenzofuranyl, dibenzothiophene, 9,9-dimethylfluorenyl, 9,9-diphenylfluorenyl, 9-phenyldibenzocarbazoyl, and partially deuterated 9-phenyldibenzocarbazoyl. The phosphine-containing TADF compound exhibits high molecular rigidity, a high glass transition temperature, and good thermal stability. Furthermore, this type of compound has high fluorescence quantum efficiency, significantly improving the luminous efficiency of devices. Organic electroluminescent elements using the compound of this invention as the main luminescent material possess higher luminous efficiency and a longer lifespan.