4results about How to "Lower energy level" patented technology

The invention belongs to the field of organic electroluminescent materials, and discloses a blue light host material, a preparation method and an organic electroluminescent device. The structure of the blue light host material is as shown in a chemical formula I: # imgabs0 #. After the blue light host material provided by the invention is applied to the organic electroluminescent device, the driving voltage of the photoelectric device can be reduced, the luminous efficiency of the photoelectric device can be improved, and the service life of the photoelectric device can be prolonged.

The invention discloses a preparation method of a solid propellant containing alkali metal. The preparation method comprises the following steps: step 1, mixing and stirring an adhesive, metal aluminum powder, ammonium perchlorate, alkali metal salt powder, tris (2-methyl-1-aziridine) phosphine oxide and a polymerizing agent to obtain slurry; step 2, carrying out negative pressure pouring on the explosive slurry to obtain an explosive column; and 3, the grain is dried, cured and demolded, and the solid propellant containing the alkali metal is obtained. According to the preparation method, the solid propellant which is relatively rapid in response to microwave energy and relatively efficient is prepared at relatively low cost.

The utility model provides an electric arc suppression circuit for a Type-C fast charging interface, which comprises a power supply circuit, a vibration detection circuit, an MCU (Microprogrammed Control Unit) main control circuit and a Type-C fast charging interface power supply circuit, the output end of the power supply circuit is in power supply connection with the input end of the vibration detection circuit, the input end of the MCU main control circuit and the input end of the TypeC fast charging interface power supply circuit, and the output end of the MCU main control circuit is connected with the input end of the vibration detection circuit. The output end of the vibration detection circuit and the output end of the TypeC fast charging interface power supply circuit are in feedback connection with the power supply circuit, and the output end of the TypeC fast charging interface power supply circuit can receive power end load equipment. The Type-C fast charging interface has the beneficial effects that the possibility that the Type-C fast charging interface generates an electric arc can be reduced, and the energy level of the electric arc can be reduced.

This invention relates to the field of organic electroluminescent materials, specifically to an iridium metal complex, and more particularly to an iridium metal complex for deep red-near-infrared emission and its applications, as well as organic electroluminescent devices using the iridium metal complex of this invention. The iridium metal complex of this invention has the structure shown in formula (1). OLED devices prepared using the iridium metal complex of this invention exhibit higher luminous efficiency and better lifespan, demonstrating promising application prospects.