Touch On Lens based Touch Modules seen to become mainstream in 2012.
One of the heaviest and costliest components of today's smartphones and tablets is the the touchscreen. Touch module makers are now preparing a new touch module that is cheaper and lighter. We should see the so called Touch on Lens modules in 2012. I expect Apple to be one of the first adopters for this technology in the iPhone 6 and iPad 3 or iPad 4.
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Current touch screen module use two glass sheets. Touch on Lens only requires one glass sheet. The ITO (Indium Tin Oxide) film is directly attached on the protective glass layer. This of course makes the new touch module lighter and it also saves cost.
Taiwan based Wintek and Cando are among the companies developing Touch on Lens modules.
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