That's what people were saying back in 2006-2007 about 1080p, that few people cared or would buy it.
At least in the US, 1080p installed base is pretty high. You can get 40-inch 1080p sets for $500-750 easily and Blu-Ray players for under $100, with more expensive players going up to $200 or so. DVRs don't record in 1080p but installed base is again pretty high.
And now there are some streamed 1080p services too.
If 4k displays have the same price curve over time that 1080p displays had, its adoption rate should be comparable.
You do realize that 1080p was introduced as a potential standard for HDTV all the way back in the mid 1990's?
It was over a decade before broadcasters had to start offering digital broadcasts (in the US). It was even longer before we started seeing 720p/1080i broadcasts becoming even somewhat common. Even up until 2010, most digital broadcasts in the US were SD resolution as most TVs in the US were still SD sets. So approximately 15 years from introduction to potentially supplanting SD sets in the US.
It isn't as if HDTV's set the market on fire and immediately took off. It was a slow drawn out process.
I expect that 4k adoption might be slightly faster, but I have my doubts as to whether the push for 4k in homes will be more or less successful than the rather lackluster showing that 3D has had.
Personally, I hope it's faster as I want high PPI computer displays before I die. But I'm still expecting at a minimum 5+ years before affordable 4k displays "might" hit the market. There will obviously be early adopter sets available at early adopter prices, but it's going to take a long long time before it hits mainstream.
[edit] Oops. Actually the proposal for what led to the current HDTV system was originally submitted back in 1990. It was made a standard in the US in 1995. So almost 2 decades between proposal and potentially surpassing SD sets in households. 4k is in the first couple years of the proposal stage at the moment. And there is still no standard set for it.
Regards,
SB
Yeah I know that the initial conversion to digital, not just for viewers but for studios and networks and local TV stations, took a long time because TV ad revenues were hit by declining ratings and TV stations had hard time justifying the digital HD infrastructure.
Consumer equipment, especially displays, dropped in price rapidly, while Blu-Ray players are under $100 (though not as cheap as DVD players).
Supposedly, with the advent of HD content, a lot of movie masters were scanned and stored at 4k, so there might be some 4k content to release relatively soon after playback equipment and displays are available.
I'm just hoping 4k projectors for under 3000€ come as soon as possible. Imo you have to have a large screen and/or short viewing distance for 4k to matter at all. For example I'm pretty sure that no one can tell apart 1080p and 4k picture from 3 meters away if the screen is 60" or maybe even larger. For anything smaller/further it brings nothing.