74results about How to "Guaranteed not to break down" patented technology

The invention relates to an organic compound based on azabenzene and an application thereof in an OLED device. The compound has relatively high glass transition temperature and molecular thermal stability; the compound has low absorption and high refractive index in the visible light field, and light extraction efficiency of the OLED device can be effectively improved after the compound is appliedin a CPL layer of the OLED device; and the compound also has deep HOMO energy level and high electron mobility, and can be used as a hole blocking / electron transport layer material of the OLED device, transmission of holes or energy from a luminescent layer to the side of an electron layer can be effectively blocked, and thus composite efficiency of holes and electrons in the luminescent layer isimproved, and luminescent efficiency and service life of the OLED device are improved.

The invention relates to a boron-containing organic compound and application thereof to an organic light-emitting device, belonging to the technical field of semiconductors. The structure of the boron-containing organic compound is shown as a general formula (1). The invention also discloses the application of the boron-containing organic compound in an organic electroluminescent device. Accordingto the boron-containing organic compound, the whole molecule of the compound is of a large rigid structure, the planarity of a material is reduced through introduction of substituent groups, the steric hindrance of the material is increased, the material is not prone to rotation, a three-dimensional space structure is more stable, and therefore, the compound has high glass transition temperatureand molecular thermal stability; in addition, the HOMO and LUMO distribution positions of the compound are separated from each other, so the compound has appropriate HOMO and LUMO energy levels. Therefore, after the compound is applied to the OLED device, the luminous efficiency of the device can be effectively improved, and the service life of the device can be effectively prolonged.

The invention relates to an organic compound taking triazine and benzimidazole as cores and application thereof to an OLED (Organic Light Emitting Diode) device. The compound provided by the invention has relatively high glass transition temperature and molecule thermal stability; the compound has low absorption and high refractive index in the field of visible light; after the compound is applied to a CPL (Circular Polarizing Filter) layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound also has a deep HOMO energy level and high electron mobility and can be used as a hole-blocking / electron transferring layer material of the OLED device; and the compound can be used for effectively stopping a hole or energy from being transmitted to one side of an electron layer from a light emitting layer, so that the compounding efficiency of the hole and electrons on the light emitting layer is improved, and furthermore, the luminous efficiency of the OLED device is improved and the service life of the OLED device is prolonged.

The invention relates to an organic compound taking pyridine and benzimidazole as a core and an application of the organic compound on an OLED (organic light emitting diode) device. The compound has relatively high glass state temperature and molecular heat stability, low absorption and high refractive index in the field of visible light, and can effectively improve light extraction efficiency of the OLED device after the compound is applied to a CPL (circular-polarizing filter) layer of the OLED device. The compound further has an HOMO (highest occupied molecular orbital) energy level and high electron mobility, and can serve as a hole obstruction / electronic transmission layer material of the OLED device and effectively prevent a hole or energy from being transmitted to one side of an electronic layer from a light emitting layer, so that the combination efficiency of the hole and an electron on the light emitting layer is improved; and the light emitting efficiency and a service life of the OLED device are improved and prolonged.

The invention discloses an organic compound based on carbazole as a core and an application of the organic compound in an OLED. The compound takes carbazole as the core, a nitrogen atom of carbazole is connected with benzoxazole, benzene rings on the two sides are substituted by heteroaryl at the same time, and the compound has high glass transition temperature and thermal stability. The evaporation temperature of the material is low, and the decomposition temperature of the material is higher than the evaporation temperature of the material. The material has a low extinction coefficient and ahigh refractive index in the field of visible light, and can effectively improve the light extraction efficiency of an OLED device after being applied to the OLED device as a covering layer, therebyimproving the light emitting efficiency of the device and reducing the power consumption of the device.

The invention discloses an organic compound based on carbazole as a core and application thereof. The compound takes carbazole as the core, benzene rings on the two sides are substituted by benzoxazole or benzothiazole at the same time, and the compound has high glass transition temperature and thermal stability. The evaporation temperature of the material is low, and the decomposition temperatureof the material is higher than the evaporation temperature of the material. The material has a low extinction coefficient and a high refractive index in the field of visible light, and can effectively improve the light extraction efficiency of an OLED device after being applied to the OLED device as a covering layer, thereby improving the light emitting efficiency of the device and reducing the power consumption of the device.

The invention relates to a novel zero-dimensional ZnSe-two-dimensional SnSe heterojunction catalyst as well as preparation and application of the novel zero-dimensional ZnSe-two-dimensional SnSe heterojunction catalyst. The method comprises the following steps: mixing SnCl2, SeO2, oleamide, hydrazine hydrate and water to form a precursor solution, and putting the precursor solution into a hydrothermal reaction kettle for hydrothermal reaction to obtain two-dimensional nano-sheet SnSe; the preparation method comprises the following steps: mixing two-dimensional nano-sheet SnSe, ZnNO3. 6H2O, SeO2, sodium hexadecyl benzene sulfonate, hydrazine hydrate and water to obtain a precursor solution, putting the precursor solution into a hydrothermal reaction kettle, and carrying out secondary hydrothermal reaction to obtain the zero-dimensional ZnSe-two-dimensional SnSe heterojunction catalyst. The photocatalytic degradation performance of the zero-dimensional ZnSe-two-dimensional SnSe heterojunction catalyst prepared by the preparation scheme is obviously enhanced, and the degradation rates of the zero-dimensional ZnSe-two-dimensional SnSe heterojunction catalyst for photocatalytic degradation of methylene blue and levofloxacin are 3.8 times and 1.7 times of those of a single SnSe product respectively. The method is simple in process, easy to control and high in production efficiency.

The invention relates to an organic compound with triazine and benzimidazole as cores and an application thereof on an OLED device. The compound provided by the invention has a higher glass transitiontemperature and molecular thermal stability; the organic compound has low absorption and a high refractive index in the field of visible light, and after the organic compound is applied to a CPL layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound provided by the invention further has a deep HOMO energy level and high electron mobility, can be used as a hole blocking / electron transport layer material of the OLED device, and can effectively block holes or energy from being transmitted from a light emitting layer to one side of an electron layer, thereby improving the recombination efficiency of holes and electrons on the light emitting layer, and then the luminous efficiency of the OLED device is improved, and the service life of the OLED device is prolonged.