摘要:
This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
摘要:
This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
摘要:
This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
摘要:
This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
摘要:
This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
摘要:
Disclosed herein are embodiments of color management systems and methods for LED backlights. One exemplary system comprises: a collection device adapted to collect optical signals of the LED array, transform the optical signals into electric signals and send the electric signals; a control device connected with the collection device adapted to process the electric signals, compare processing results with calibration values and output brightness control signals according to comparison results; and a driver device connected with the control device adapted to adjust brightness of the LED array according to the brightness control signals. Embodiments of the disclosed technology can be used to effectively adjust the brightness of LED backlights and/or keep the color coordinate values of the backlights constant in order to help ensure display quality.
摘要:
This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
摘要:
Disclosed are a color substrate, a manufacturing method thereof and a liquid crystal display. The color substrate comprises a substrate; black matrices disposed on the substrate; color pixels whose material is fluorescent material disposed alternately among the black matrices; a flat encapsulation layer covering the black matrices and the color pixel; and a built-in polarizer attached to the flat encapsulation layer. The manufacturing method comprises forming black matrices on a substrate, and forming color pixels of fluorescent material among the black matrices; form a flat encapsulation layer; and form a built-in polarizer. The liquid crystal display by using the color substrate of the present invention further comprises a array substrate, a liquid crystal layer and a back light wherein wavelength of light emitted by the back light is shorter than of equal to stimulated luminescence critical wavelength of fluorescent material of the color pixels on the color substrate. In the present invention, the color fluorescent material is used for replacing the color resin material on the color substrate, the lamination mode is changed and the energy loss resulting from light-absorbing of the resin material is decreased, which could increase the light utilization efficiency and improve the visual angle characteristic of the liquid crystal display.
摘要:
This invention relates to a mesoporous carbon supported copper based catalyst comprising mesoporous carbon, a copper component and an auxiliary element supported on said mesoporous carbon, production and use thereof. The catalyst is cheap in cost, friendly to the environment, and satisfactory in high temperature resistance to sintering, with a highly improved and a relatively stable catalytic activity.
摘要:
This invention relates to a mesoporous carbon supported copper based catalyst comprising mesoporous carbon, a copper component and an auxiliary element supported on said mesoporous carbon, production and use thereof. The catalyst is cheap in cost, friendly to the environment, and satisfactory in high temperature resistance to sintering, with a highly improved and a relatively stable catalytic activity.