Originally Posted by specuvestor
Hi Chronoptimist you're back
So 4K on a 40" for you then?
Or 1080p looks great on a 32"? Unless of course you are sitting 2' away.
Be wary of absolute statements like "any size"
Good quality print is 300+ DPI. With a quad HD display (essentially 4K) it needs to be 14.7" to reach 300 PPI. As far as displays go, Apple seem to be leading with their 330 PPI iPhone 4 screen.
Standard computer monitors are currently around 100 PPI, and thanks to companies like Apple pushing for higher quality imaging, it looks like we might finally
be seeing higher resolution displays in the near future (1-3 years) as they have added support for 200 PPI displays to their recently released 10.7 operating system, and there is talk of a 2048x1536 iPad being released next year. (263 PPI) People say that it's silly to go that high, but when viewing the white-on-black text used by this forum, I'd say that the need for a higher resolution display (it's currently 130 PPI) was obvious.
For too long now, we have been stuck with low resolution displays - with a small number of exceptions, anything over 21" is basically 1920x1080 now, thanks to HDTV. IBM were selling 200 PPI LCDs back in 2001, but we've yet to have anything approach that since.
Even at 22" there are clear benefits from using a 1080p native display when showing 1080p video, compared to showing it on a lower resolution screen the same size. Remember back when most HDTVs were 1366x768 and everyone was saying there was no need for 1080p under 50"? Now that 1080p is affordable at all screen sizes, we have a wide selection of 1080p source material, and people have had a chance to see for themselves, no-one says that any more. It will be the same thing with 4K.
Once we have 4K sources, all displays should move towards 4K resolutions regardless of size. At 44" a quad HD (4K) display is still only 100 PPI. At 22" it would be 200 PPI which is exactly where PC displays are currently headed....
Let's not forget that the future is convergence, and so your HDTV may not just be used to watch films.
Now of course, there are limits to the human vision system, so you do need to have the screen filling a large field of view to benefit for the resolution. To completely resolve 4K, you need to be sitting at roughly 0.8x the diagonal, which is fairly close with a 40" display. But current display technology is not perfect and so we have gaps between the pixels, making their resolution more discernible than theoretical numbers might suggest.
The human visual system is complex, and can actually outresolve these resolution limits - the eye is not stationary. It turns out that you actually need about double the resolution limit of the human visual system to fool it into not thinking you're looking at a screen, so there would be benefits from 4K much further out.
And most people sit too far from their TVs, or buy screens that are too small. If 4K means we see a push for larger displays, or people sitting closer, I don't think that is a bad thing. Ideally you would be sitting at two screen heights (roughly 1 diagonal with 16:9) away from the screen, which is well within the range of 4K being beneficial. Even 60-70" screens are too small for a lot of homes, where people should really be using projectors.
I think it's interesting that I have been saying that for years, and now Sony have announced a new head-mounted display which gives a 45° field of view. It would have been far easier for them to go with a smaller FOV (most HMDs are 30° or less) but they decided this was ideal - and it's exactly two screen heights. (or roughly 1 diagonal - 750" virtual image at 790" viewing distance)
Originally Posted by 6SpeedTA95
There hasn't seemed to be any additional market push on these types of sets recently. Perhaps we'll hear more at CES...or perhaps its DoA right now. Which makes more sense, consumers are not ready for an entirely new technology and I think they've got upgrade fatigue in the TV world. People used to go 15, 20 or more years with the same TV. Upgrading every 3 to 5 years as if it were a laptop or cell phone doesn't sit well with most consumers.
Toshiba just announced a 4K glasses-free 3DTV for release this year.