Display Taiwan shows a manufacturer CPT available on a prototype which may be an option for the iPad 3D. An improved resolution might naturally lead Apple to try for a 3D display. 3D displays need to have adequate resolution for effect, iOS updates have pointed toward a doubled resolution of the iPad in the future.
The next iPad is expected to have Retina resolution, the iPad 2 was only a "slight update" in many eyes. As Apple improves the iPad’s display resolution, 3D becomes a more a realistic possibility.
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