Hitachi unveils 4.5-inch 3D display with 720p resolution; no glasses required

Hitachi unveils 4.5-inch 3D display with 720p resolution; no glasses required
Those of you who have checked out the HTC EVO 3D or the LG Optimus 3D would probably admit that being able to watch 3D content without those dorky glasses is pretty neat. However, there is no denial that the parallax barrier technology seen on these smartphones' displays still has quite a few drawbacks to overcome with the relatively low image resolution and the drop in brightness being among the more noticeable ones.

Well, Hitachi has just unveiled an IPS LCD display that appears to be capable of bringing the glasses-free 3D experience to the next level. The panel may be only 4.5 inches in diagonal, but packs the impressive resolution of 1280 by 720 pixels, which is a step up from what one would see on a contemporary 3D-enabled device. Besides that, a quick calculation shows that the display clocks in at 326 ppi, which means that it should be able to deliver images as sharp and detailed as they look on the iPhone 4's Retina display, at least in 2D mode.

Besides boasting a higher resolution than the glasses-free 3D displays available today, Hitachi's display has the surprising ability to be brighter in 3D mode than it is when displaying 2D images. That is accomplished thanks to the more efficient lenticular lens technology, which has been used instead of the parallax barrier method in creating the stereoscopic 3D effect.

It has not been said when Hitachi's display will become available or will it ever make it to a commercial device at all. However, that probably depends on whether there will be sufficient demand for the technology, and our poll from not long ago indicates that the market is simply not that crazy about 3D-capable smartphones just yet.

source: Hitachi (translated) via GSMArena



1. tedkord

Posts: 17456; Member since: Jun 17, 2009

Watch out, Hitachi. That's groundbreaking technology. Apple is gonna sue. Just kidding. Sounds awesome, though I have to say, the 3D existing now, such as on the Nintendo 3Ds. , looks pretty poor, to my eyes. It's almost distracting.

2. Laurynas unregistered

Evolution of glass-free 3D displays, good news! :) Also there is some more interesting info about glass-free 3D: Pic3D film makes any LCD display 3D Video:

3. joe567 unregistered

3d phones are lame..but good for the eyes..headaches/dizziness..etc...just make a great high res phone n a good camera with GB on it

4. Allday28

Posts: 344; Member since: Nov 19, 2010

I couldnt agree with you more!

5. remixfa

Posts: 14605; Member since: Dec 19, 2008

its only lame until apple "invents it" for its iphone. :)

6. PomBear

Posts: 1; Member since: Mar 28, 2014

There is serious problem with the HITACHI 3D screen design - have You remember that You might turn Your mobile phone in Portrait or Landscape mode? Well problem with Lencucular lenses is that once You bind them into the screen You could not rotate the phone in Portrait or Landscape mode - it will work only in one of those by the way how lenses was put (usually in landscape mode). Other idiotical thing is that You may not switch to 2D mode - all the time Your screen will be in 3D - where Nintendo parallax barrier can be turned off and You might Use Your device in 2D. So...Nothing special about Hitachi stupid Display. You say they do not want to make it Commercial yet -- Well now You know why. Their solution is nothing more than experiment and Air under presure - since they did not bring anything new. Where Nintendo really did bring completly new technology.

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