35results about How to "Promotes transmission balance" patented technology

The invention relates to the technical field of organic photoelectric materials, and in particular, relates to an organic compound, an electronic element containing the same and an electronic device.The compound has a structure represented by a chemical formula 1', wherein one of R1, R2, R3 and R4 is a group defined in the specification, and the other three are selected from substituents such asalkyl, halogen and cyano; one of R5, R6, R7 and R8 is a group defined in the specification, the other three are selected from substituents such as alkyl, halogen and cyano, Y and Y1 are respectively and independently a group defined in the specification, and L and L1 are single bonds, aryl, heteroaryl and the like. By using the organic compound in an electronic component, the driving voltage, luminous efficiency, and life of the electronic component are improved.

The invention discloses an automobile gearbox gear carburizing and quenching heat treatment method. The method comprises the following steps: 1, carburizing: placing a gear in a heating furnace, and rising temperature of the heating furnace from room temperature to 900+/-5DEG C for carburizing for 3-4h, wherein the carbon potential CP in a strong carburizing stage is 1.06+/-0.3C%, and the carbon potential CP in a diffusion stage is 0.85+/-0.03C%; 2, quenching: cooling the obtained carburized gear to 830+/-5DEG C, samming for 25-35min, and quenching in 90+/-10DEG C quenching oil; and 3, tempering: tempering the obtained quenched gear at 165+/-5DEG C for 2-3h. The proper reduction of the carburizing temperature and the quenching temperature, the rising of the temperature of the quenching oil and the proper rising of the carburizing carbon potential are carried out on the premise of guaranteeing the quality of a carburized layer, so the carburizing time is not prolonged, and the energy consumption is reduced; and the appearance of black microstructures is prevented, so the surface hardness, the wear resistance and the fatigue strength of the gear are obviously improved, deformation is reduced, the driving balance of the gear is improved, noises are reduced, and the service life of the gear is prolonged.

The invention relates to an inverse type polymer solar cell based on modification of an active layer and a transmission layer, and belongs to the technical field of polymer solar cells. The polymer solar cell is of a typical inverse structure. UV processing and hydroxylation are carried out on a titanium dioxide electron transmission layer, and polyethylene imine modification is then carried out; an active layer is doped with inorganic quantum dots to further adjust the energy level among acceptors and enhance transmission of carriers; and a hole transmission layer employs water-soluble molybdenum trioxide, and doped with gold nano-particles. Spin coating of aqueous solution saves more energy compared with vapor deposition; surface plasmon resonance caused by doping of the gold nano-particles can reflect light back to an active layer, further to utilize light and help transmission of charges in a transmission layer; and carrier transmission is smoother, and a more balanced electro-hole transfer speed can be achieved.

The invention relates to a processing method for a gear, especially to a processing technology for a gearbox gear. The processing technology comprises the following steps: step 1, blanking and forging so as to obtain a cylindrical blank; step 2, homogenization treatment of components of the forged blank and drilling of a center hole through lathing; step 3, gear hobbing out of the cylindrical blank via a hobbing machine; step 4, carbonization of a workpiece; step 5, cooling and quenching after carbonization; and step 6, machining of the workpiece so as to form the gear. The processing technology provided by the invention has the following beneficial effects: a, carburizing temperature and quenching temperature are reduced, carburizing time is not prolonged, and energy consumption is reduced; b, generation of a black structure is prevented, a uniform carburizing layer is obtained, the microstructure of the carburizing layer having undergone carbonization and quenching is improved, an optimal metallographic structure is obtained, and thus, surface hardness, wear resistance and fatigue resistance of the gear are obviously improved; and c, deformation is reduced, gear processing and assembling dimension precision of the gear is improved, gear transmission balance is enhanced, noise is reduced, and the service life of the gear is prolonged.

The invention discloses a thermal treatment method for carburizing and quenching of gearbox gears. The thermal treatment method includes the steps of A, carburizing, B, quenching and C tempering. In the step of A, carburizing, the gears are placed in a heating furnace, the temperature of the heating furnace is increased from the room temperature to the temperature of 850-900 DEG C for carburizing, and carburizing time is 2-5 h; the carburizing process includes a beginning stage, a strong carburizing stage and a diffusion stage; the carbon potential (CP) of the beginning stage is 0.9-1 C%, the CP of the strong carburizing stage is 1-1.1 C%, and the CP of the diffusion stage is 0.8-0.9 C%; the time of the beginning stage is 12-15 min, the time of the strong carburizing stage is 200-220 min, and the time of the diffusion stage is 20-40 min. In the step of B, quenching, the carburized gears are cooled to 810-850 DEG C, then temperature equilibrium is carried out for 20-40 min, and then the gears are quenched in quenching oil with the temperature being 85-95 DEG C. In the step C, tempering, the quenched gears are subjected to tempering at the temperature of 155-170 DEG C for 1-2 h.

The invention provides an organic compound, an organic electroluminescent device and an electronic device. The chemical structure of the organic compound comprises an adamantane spirofluorene ring anda dibenzo five-membered ring, and the organic compound has an excellent energy transfer function, can be used as a luminescent layer material in an electroluminescent device, improves the efficiencyof the organic electroluminescent device and prolongs the service life of the organic electroluminescent device.

The invention discloses a heat processing method for carburizing and quenching. The method comprises the following steps: A) a carburizing step, placing a gear in a heating furnace, and rising temperature of the heating furnace from room temperature to 850-900 DEG C for carburizing for 2-5 h, wherein the carbon potential CP in a strong carburizing stage is 1.02-1.1C%, and the carbon potential CP in a diffusion stage is 0.8-0.9C%; B) a quenching step: cooling the obtained carburized gear to 810-850 DEG C, equalizing the temperature for 20-40min, and quenching in 85-95 DEG C quenching oil; and C) a tempering step: tempering the obtained quenched gear at 155-170 DEG C for 1-2 h. The proper reduction of the carburizing temperature and the quenching temperature, the rising of the temperature of the quenching oil and the proper rising of the carburizing carbon potential are carried out on the premise of guaranteeing the quality of a carburized layer, so the carburizing time is not prolonged, and the energy consumption is reduced; and the appearance of black microstructures is prevented, so the surface hardness, the wear resistance and the fatigue strength of the gear are obviously improved, deformation is reduced, the driving balance of the gear is improved, noises are reduced, and the service life of the gear is prolonged.

The invention relates to a double-fluoranthene organic semiconductor material. The double-fluoranthene organic semiconductor material can be shown as a structural formula described in the specification, wherein -R is -CN, -NO2, -CF3, -F or -CHO. The double-fluoranthene organic semiconductor material emits pure blue lights, the double-fluoranthene organic semiconductor material can be easily dissolved in common organic solvents such as tetrahydrofuran, dichloromethane, methylbenzene and chloroform as an electron withdrawing group is introduced into the structure, and solubility and film-forming property of the double-fluoranthene organic semiconductor material are improved; meanwhile, a fluoranthene group is a rigid substituent group, so that the double-fluoranthene organic semiconductor material also has excellent thermal stability; the fluoranthene group can cause the double-fluoranthene organic semiconductor material to have higher hole mobility; and electro transport performance of the double-fluoranthene organic semiconductor material is improved as the electron withdrawing group is introduced, so that carrier transport balance is facilitated. The invention also provides a preparation method of the double-fluoranthene organic semiconductor material and an application of the double-fluoranthene organic semiconductor material in an organic electroluminescence device.

The invention belongs to the field of organic electroluminescence and particularly relates to luminescent molecules containing electron donor-acceptor (D-A) groups, and their application in blue organic electroluminescent device. The compounds are prepared via classical aromatic coupling reaction and used for luminescent layers of electroluminescent devices. The compounds have a structure shown in formula I shown in the description, wherein aryl Ar is any one of benzene, naphthalene, anthracene, fluorene or spirofluorene, and Ar variation is effective in adjusting luminescent color and the like. The compounds synthesized herein are simple to prepare and high in yield, and present deep blue to pure blue, and even near-ultraviolet fluorescence-emission; by using the compounds with Ar as phenyl to act as a luminescent layer, it is possible to acquire a near-ultraviolet electroluminescent device with starting voltage of 3.2 V, maximum external quantum efficiency of 6.57% and luminescent intensity of 408 nanometers.

The invention discloses a blue light OLED based on a solvent vapor phase processing hole injection layer and a preparation method thereof, and the method comprises the steps: carrying out spin coating, printing, spraying or evaporation of a polymer, small molecule or oxide hole injection layer film with a proper thickness on an anode by employing a solvent vapor phase processing method; placing the film in a high-concentration organic solvent or acid vapor atmosphere, and standing for a certain period of time; and taking out the film, annealing and drying, and sequentially laminating a spin-coating or evaporation hole transport layer or electron blocking layer, a blue light emitting layer, an electron transport layer or hole blocking layer, an electron injection layer and a cathode to obtain a complete blue light OLED device. According to the method provided by the invention, the defect of serious current leakage caused by solvent doping or soaking etching of a hole injection layer isovercome. A scattering structure and phase separation which are beneficial to light emission are formed on the surface of a thin film by utilizing the relatively mild micro-etching effect of gas molecules, so that the optical coupling and external quantum efficiency of the blue-light OLED are remarkably improved.

The invention relates to the technical field of photoelectric material application, and discloses an organic electroluminescent material with a dibenzofuran anthracene core structure, and a preparation method and a device thereof. According to the organic electroluminescent material with the dibenzofuran anthracene-connected core structure, the dibenzofuran anthracene-connected core structure is subjected to specific substitution and fine regulation and control through specific functional groups, and a luminescent host material with excellent comprehensive performance is provided; the problemsof relatively strong intramolecular charge transfer and luminescence red shift caused by pi conjugation of an existing blue-light fluorescent material are effectively solved, the technical effect ofconsidering both efficiency and saturated blue light color is achieved, and the blue-light fluorescent material has a remarkable application value in blue-light devices as a luminescent main body material.

The invention belongs to the field of organic semiconductor materials, and discloses an electronic input type red phosphorescent compound, a preparation method thereof and an organic electroluminescent device. The compound has a structural formula shown in the specification. The electronic input type red phosphorescent compound has an electronic transmission capacity, so it is benefit for realizing the carrier transfer balance, thereby the luminous efficiency of the compound is substantially improved.

The invention relates to a red light quasi-two-dimensional perovskite light-emitting diode with a dication structure. The red light quasi-two-dimensional perovskite light-emitting diode comprises a perovskite light-emitting layer, which is prepared by adopting the following method of: dissolving materials in a DMSO solvent according to a molar ratio of PEAI:MAI:CsI:PbI2:BaCl2=(0.14-0.16):(0.10-0.13):(0.09-0.11):(0.17-0.19):(0.005-0.015) to obtain a precursor solution; and adding a PEO solution with the same volume as the precursor solution into the precursor solution, stirring the mixed solution, spin-coating the mixed solution on the surface of a hole transport layer, and annealing the hole transport layer to obtain the perovskite light-emitting layer. By introducing a dication strategy and a BaCl2 doping strategy, exciton quenching and carrier non-radiative recombination of the light-emitting layer of the device are successfully reduced, a smoother perovskite light-emitting film is obtained, most of leakage current loss is reduced, and the brightness, the current efficiency, the external quantum efficiency and the like of the device are greatly improved.

The invention provides an organic semiconductor material, which has a chemical formula shown as below. The organic semiconductor material is a red phosphorescence host material with electron-transporting capacity, so that the electron-transporting capacity is enhanced to facilitate carrier transporting balance; and the organic semiconductor material also has high triplet state energy level and excellent thermal stability, and effectively prevents back passing of energy to the host material in the luminescence process, thus greatly improving the luminous efficiency. The invention also provides a preparation method of the organic semiconductor material, and an electroluminescent device containing the organic semiconductor material.

The invention discloses a general formula compound of formula (I) shown in the description. In the formula (I), X<1> to X<10> are respectively independently selected from CR<3> or N, at least one of A and B is selected from a structure represented by formula (II) shown in the description, and the remaining one is an arylene group or a fused arylene group, a heterocyclic arylene group or a fused heterocyclic arylene group; and in the formula (II), L<1> is selected from an arylene group and a heterocyclic arylene group, and R<1>, R<2> and R<3> are respectively independently selected from hydrogen, an alkyl group, an aryl or fused aryl group and a heteroaryl or fused heteroaryl group. The compound of the present invention has excellent device properties and stability when used as a host material in the light-emitting layer of an OLED. The present invention also discloses an organic light-emitting device adopting the general formula compound.

The invention relates to the technical field of photoelectric material application, and discloses an organic electroluminescent material containing a phenanthrene structure and a device thereof. According to the organic electroluminescent material, an alkyl group and a specific functional group are introduced into a specific site of a phenanthrene-containing core structure to finely regulate and control the core structure, so that the luminescent main body material with excellent comprehensive performance is provided, and the problems of intramolecular charge transfer, luminescent red shift and the like of the existing luminescent main body material are effectively improved; and the organic electroluminescent device made of the material has remarkable progress in the aspects of driving voltage, current efficiency, service life and the like.

Belonging to the field of organic semiconductor materials, the invention discloses a red light phosphorescent host material, a preparation method and an organic electroluminescent device thereof. The host material has a structural formula shown as the specification. The red light phosphorescent host material provided by the invention has electron transport performance, strengthened electron transport capacity, is conducive to carrier transport balance, has a high triplet state energy level, and can effectively prevent back transmission of energy to the host material in a luminescence process, thus greatly improving the luminescence efficiency.

The invention provides an organic semiconductor material. The organic semiconductor material has the chemical formula represented by a formula shown in specifications. The organic semiconductor material provided by the invention has a relatively high triplet energy level, so that energy is effectively prevented from being transferred back to a main body material during luminescence; due to the phosphorescent main body material with electron transmission capability, the electron transmission capability is enhanced, the balance of current carrier transmission is facilitated, the luminescence efficiency is greatly increased, and the thermal stability is relatively high. The invention further provides a preparation method of the organic semiconductor material and an electroluminescent device containing the organic semiconductor material.

The invention belongs to the field of organic semiconductor materials, and discloses an electron transport type red light phosphorescent material, a preparation method and an organic electroluminescent device thereof. The structural formula of the material is shown as the specification. The electron transport type red light phosphorescent material provided by the invention has strong electron transport capability and good carrier transport balance. Also the material has a high triplet state energy level, and can effectively prevent back transmission of energy to a host material in a luminescence process. Thus, the luminescence efficiency is high.

The invention relates to an organic light-emitting device which comprises a first electrode, a second electrode and an organic layer located between the first electrode and the second electrode, and the organic layer comprises an electron blocking layer and a light-emitting layer; the electron blocking layer comprises a compound with a structure shown in a general formula (A), the light-emitting layer comprises a compound shown in a general formula (3) as a guest material, and the performance and the stability of the device can be improved by using specific matching of the electron blocking layer material with the structure shown in the general formula (A) and the guest material shown in the general formula (3) in the light-emitting device.