ramzbo :
Im still waiting for curved screens. It might happen
It may yet happen, but the obvious issue is backlighting. If you use a tech like plasma, or old CRT style tech where the screen itself gives off light, then you can mold that onto a curved display (and in fact that has happened on both counts). This is something where OLED could become really useful, but OLED is really expensive outside of cell phone sized screens, and it has color adjustment issues over time that other cheaper screens do not need to contend with.
Another less obvious issue is packaging. Making what is essentially a thicker display means larger packaging, more warehouse space, more truck space, more display space, etc. When the demand for it is there then these are not major barriers, but for a limited run production it is a rather annoying problem to contend with.
Lastly there is the issue of distortion and viewing angle. Yes, a traditional flat panel has distortion when you look at it, but because it is on a flat plane that distortion is very easy to compensate for with the human brain because all distortions are uniform. From a manufacturer perspective it is not particularly difficult to put pixels on a grid. But when you add a curvature to a product? Well, that becomes all sorts of issues. If you are sitting dead center, then all is well, and it should look ideal. But if you get off axis then you end up with all sorts of issues. Say you are sitting a little to the right of the monitor; All of the sudden everything on the right side of the screen will become skinny, while the left side everything becomes wider than expected. Not a huge deal when talking about a 17-24" display, but people who want curved displays are typically using 28+" displays where you are going to have more pronounced distortions no matter what you do.
It will eventually happen... but it may be a while
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