parallax
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New glasses-free 3D tech uses per pixel prisms for zero crosstalk, audience flexibility
Try as manufacturers might, attempts at autostereoscopic (glasses-free) TV have been subpar; existing tech typically makes for messy images due to ghosting, only provides a 3D effect if you're standing in one of a very few predetermined spots (usually 8-10 viewing angles, though we've heard of 64), and reduces display resolution -- all because only some pixels can be seen from each spot. With the occasional exception, it's not terribly impressive. Scientists at the National Chiao Tung University in Taiwan are looking to change that. Rather than block light with a parallax barrier, their screen uses a matrix of specially cut prisms to reflect it, reducing ghosting to nil and maintaining display resolution by sending the same image to each viewer. Though there are still a fixed number of viewing zones, the prisms are so tiny that manufacturers can simply add more prisms to each pixel to increase that number -- with 11 prisms per pixel, researchers say such a system could support 100 simultaneous 3D moviegoers. We've no word on whether the tech is affordable or when we'll see it, but we expect it to handily beat cyborg eyeballs to market.
Nintendo 3DS to come with '3D control stick,' vibration, and Sharp's parallax barrier 3D LCD?
You had the hard news for breakfast, so how's about some less official, but still pretty robust, fodder for brunch? Asahi in Japan offers the first word on how the 3DS achieves its 3D-ness by suggesting that the new portable game machine with feature a parallax barrier LCD from Sharp. The tech has apparently already been deployed in a few cellphones over there and is described as "unsuitable" for large-screen TVs. This is corroborated by Nikkei, which suggests that the screens on the new device will be smaller than 4 inches diagonally, placing it closer to the DSi than the 4.2-inch DSi XL / LL. Other news from the latter source include so-called 3D control stick(s), though it's not entirely clear whether this'll be anything massively new or just a pair of analog nubs for us to push around. Either way, Nintendo is said to have secured patents for the new control methodology in Japan late last year. The Nikkei article also mentions improvements in WiFi transfers and battery life, as well as a new vibration function. Now that we've got all that out of the way, can someone please tell us if this thing has Tegra inside or not?
