38 results about "Integrating factor" patented technology

The invention provides an output buffer used for an AMOLED column driving circuit. The output buffer comprises a rail-to-rail input stage circuit, a bootstrapping stage circuit and an output stage circuit, wherein the rail-to-rail input stage circuit is connected with the bootstrapping stage circuit, the bootstrapping stage circuit is connected with the output stage circuit, and the rail-to-rail input stage circuit is used for amplifying non-inverting input signals and inverting input signals; the bootstrapping stage circuit is used for boosting a control voltage of the output stage circuit to be higher than a power supply voltage or bucking the control voltage to be lower than a ground voltage; and the output stage circuit is used for driving an output load. The output buffer provided by the invention is used for solving the problem that circuits needs to be further optimized by integrating factors such as area and power consumption when load capacitance of an output buffer in the prior art is further increased.

The invention relates to a line loss level evaluation method based on power grid characteristic difference. According to the method, line loss influence integrated factors such as the natural condition, the network structure, the power utilization structure and the power grid operating characteristics of each province or city or county are led in, an original single index only with the line loss rate numerical value size taken into account is changed into an index system which is composed of various indexes affecting line loss, considering the impact of all the indexes on the line loss rate, different weights are set, comprehensive calculation, analysis and evaluation are conducted, so that a scientific index system and evaluation criterion is established, and thus the advancement of the power grid line loss level evaluation method can be guaranteed. According to the line loss level evaluation method based on power grid characteristic difference, the traditional method that the line loss rate size is purely used for evaluating the line loss level before can be broken through, the quantitative evaluation method of the line loss level of a power grid at the same level is provided, the loss reduction potentiality of the power grid is exploited to the maximum degree, and thus the line loss management level of the power grid is improved.

The invention discloses a silicon substrate vertical trough type nanowire optical modulator which can be applied to the fields such as optical communication, integrated photonics and silicon substrate photonics. The crevice zone and an upper cladding of a vertical trough type nanowire are filled with polymer materials high in electro-optic coefficient and low in refractive index, intrinsic silicon is arranged in the high-refractive index zone, lithium niobate is arranged on two sides and makes direct contact with electrodes, and then the silicon optical modulator is obtained. By the adoption of the optical modulator, the optical power and radio frequency electric field of the crevice zone are made to be maximum, effective area is minimum, optical electrooptical effect is realized, the overlap integrating factor between the optical field and the radio frequency electric field is made to be maximum, radio frequency transmission loss is low, the effective refractive indexes of the optical mode and the radio frequency mode are matched, and then optimal modulation performance is realized.