With the improvement 3G / 4G infrastructure of mainland telecom operators, the smart phones will usher in growth spurt within two years. As one of the standard components of smart phones, touch screen industry will lead to a blowout shipments. On account of the increase in demand, there have been a little change in touch screen industry, The formats are developing to the monolithic capacitive touch screen, that is OGS structure, enabling thinner and more lightweight requirements. Another important format is the integrated development of the module, touch screen upstream industries, including glass substrates, PET film, ITO target, optical glue, etc., midstream is including ITO glass, ITO films and IC and other components, downstream is the touch screen module. In the past, the companies which to provide sensor (including ITO glass and ITO films) alone and other components are expanding the development to the integration, in order to produce the overall touch screen module and available to downstream manufacturers.
In the touch screen components transparent conductive film, the change is more obvious. From the industry perspective, ITO conductive film for a long period of time will continue to dominate, but currently ZnO films, conducting polymers, carbon nanotubes as the representative of the development of new materials to replace ITO has already begun, is expected in the future will be a place for three years.
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