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Posts with tag rear projection

DIY'er creates 56-inch multi-touch display


It seems like the multi-touch revolution that's happening right now is really bringing out the DIY'ers -- and this latest feat of hackery is right up there with the best of them. Christopher Jette has created a massive, 56-inch multi-touch display in his spare time using a box that resembles an old rear-projection TV, 168 infrared LEDs, and some serious elbow grease. The LEDs dot the perimeter of the screen and create a field of IR light which is scattered when touched, a webcam mounted at the back of the display picks up the movement and translates it to input. If you've got some time on your hands, there are instructions available for recreating the experiment, or you can just sit back and watch it in action in the video after the break.

[Via Hack a Day]

Survey says: LCD and plasma TVs highly reliable

LCD and plasma TVs are far more reliable than older rear-projection types, according to a report by Consumer Reports. On average, only 3 percent of flat panel TVs need repairs, with the majority of those repairs being free thanks to warranties. Rear projection TVs had a far higher repair rate of 18 percent, probably due to the limited life of the bulbs contained in these TVs. When flat panels TVs did need an out of warranty repair, they cost around $260 for LCDs, and nearly $400 for plasmas, with rear projection TV repairs costing around $300. The report also called out expensive extended warranties, saying that they're only worth it if you're particularly paranoid and they're cheaper than any possible repairs.

Luminoz screen could lead to uber-slim RPTVs

Just hours after getting wind of Sony's plans to unveil a three-millimeter OLED, Luminoz is claiming that it has "developed a screen that can reduce the depth of a rear projection TV to about 12-centimeters." Apparently, the newfangled screen "eliminates the need of a large mirror that is necessary in the existing rear projection TVs," and as if the space savings weren't spectacular enough, we can also expect increased contrast ratios. Reportedly, the firm is hoping to inject its screen into 65-inch or larger rear projection televisions, and if all goes as planned, commercialization should occur sometime next year.

JVC busts out "world's largest" RPTV at 110-inches

It might not be as fancy as the ongoing plasma and LCD wars for largest display, but rear projection displays can have size wars too, and JVC looks to have the largest yet, at a spankin' 110-inches. The TV uses JVC's proprietary "D-ILA" liquid crystal panel tech, for a 1,920 x 1,080 resolution, and pulls 220w of juice for powering all its glorious pixels. As usual, there's not much of a plan yet for commercializing this display -- the main purpose of the prototype is to show off a new screen tech from Toppan Printing that is manufactured as a single component -- but there's always bragging rights and booth extravaganza action to be had.



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