Asustek Computer has added TPK Holding to its supplier list for touch panel modules in addition to current supplier Sintek Photronics, according to sources in the upstream supply chain.

With increased touch module capacity and technology support from TPK, Asustek is expected to ship 350,000-400,000 units of its new Transformer Prime tablet PCs by year-end 2011, said the sources.

The Transformer Prime's touch panels will boast a touch response time of 50 milliseconds, a brightness of 650 nits and a display resolution of 1280 by 800, the sources noted.

Asustek's total shipments of Transformer tablet PCs for 2011 are expected to top 1.8-2 million units, the sources estimated.

Source:digitimes