By Mike Orcutt, Technology Review
Low-cost 3-D technology could usher in new mobile entertainment content. Last week, a company in Singapore began shipping $35 plastic screen protectors for the iPhone 5. These are no ordinary screen protectors, though—each has half a million tiny lenses precisely patterned on its surface, which can turn an ordinary phone into a device capable of displaying 3-D images and video, no glasses required. The 3-D effect of the “EyeFly 3D” screen protectors, made by Nanoveu, is based on lenticular lens technology, which was invented over a century ago and is used to make posters and postcards that move as the viewer changes his or her perspective. The lenses send separate images to the left and right eye to create the illusion of depth.
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