2results about How to "Change the spatial structure" patented technology

The utility model provides a kind of financial bill management storage device, it is related to bill management equipment field, including outer frame, circulation structure, storage box and sealing structure, the sealing structure is arranged on outer frame, the circulation structure includes sprocket, chain, the bottom of the storage box is equipped with clamping groove, the clamping groove is detachably installed on the clamping plate below;The sealing structure includes sealing plate, and the sealing plate is fixed encapsulation by hot-pressing in the mouth portion of storage box, and the utility model significantly reduces manual participation step by chain conveying and automatic hot-pressing encapsulation, improves bill batch storage efficiency, especially suitable for handling a large number of financial vouchers;Storage box is extremely convenient to load and unload, and it is convenient to load bill, take out sealed bill box to file, or replace damaged box.

The application provides an organic electroluminescent doping material and an organic electroluminescent device, the organic electroluminescent doping material has a structure shown in formula I, and after the organic electroluminescent doping material is used in the organic electroluminescent device, the starting voltage of the device is reduced, and the luminous efficiency and the service life of the device are improved.