Apple has been producing retina displays for their phones for almost 2 years now. And they are able to produce them in large quantities. Meanwhile, if we consi

Apple has been producing retina displays for their phones for almost 2 years now. And they are able to produce them in large quantities. Meanwhile, if we consider SUB-pixel density and not just pixel density (because creating that many elements and maintaining quality is going to be hard) then it is not clear that anyone else has the ability to even manufacture a similar screen at any sort of commercial level.