This paper studies the effects of break through state and system rigidity on vibration and noise in blanking, suggests the describtion of the generation state of breakthrough by the unloading gradient obtained from t...This paper studies the effects of break through state and system rigidity on vibration and noise in blanking, suggests the describtion of the generation state of breakthrough by the unloading gradient obtained from the force stroke curve, discusses the effect of the relation between the unloading gradient and the vibration system rigidity on vibration, and gives the optimal relationship between these two factors to efficiently reduce the vibration, and this conclusion is verified by noise experiments done by using two presses of unequal rigidity to carry out the same blanking.展开更多
Nowadays, purely organic materials with delayed fluorescence (DF) are being enthusiastically developed and extensively utilized as light-emitting materials to fabricate OLEDs because of their high exciton utilizatio...Nowadays, purely organic materials with delayed fluorescence (DF) are being enthusiastically developed and extensively utilized as light-emitting materials to fabricate OLEDs because of their high exciton utilization and metal-flee nature. These DF materials usually have a small single-triplet splitting (AEsT), and the nonradiative triplet excitons (75%) can be converted into radiative singlet excitons via thermally promoted reverse intersystem crossing (RISC) processes,展开更多
文摘This paper studies the effects of break through state and system rigidity on vibration and noise in blanking, suggests the describtion of the generation state of breakthrough by the unloading gradient obtained from the force stroke curve, discusses the effect of the relation between the unloading gradient and the vibration system rigidity on vibration, and gives the optimal relationship between these two factors to efficiently reduce the vibration, and this conclusion is verified by noise experiments done by using two presses of unequal rigidity to carry out the same blanking.
文摘Nowadays, purely organic materials with delayed fluorescence (DF) are being enthusiastically developed and extensively utilized as light-emitting materials to fabricate OLEDs because of their high exciton utilization and metal-flee nature. These DF materials usually have a small single-triplet splitting (AEsT), and the nonradiative triplet excitons (75%) can be converted into radiative singlet excitons via thermally promoted reverse intersystem crossing (RISC) processes,