Amid circulating rumors of a larger display for the iPhone, Jeffries analyst Peter Misek today reported that he does not see the device launching until mid-2014. Misek argues that problems with display yield and substantial other changes for the iPhone 6 will make a 2013 launch unlikely. Some rumors had suggested that Apple might be able to launch an iPhone 5S and a lower-cost iPhone in mid-2013 and follow with a larger iPhone as soon as late this year.We see three possible bottlenecks for the iPhone that could contribute to lower yields (and hence higher costs) and/or a delayed launch. - App processor production at 20nm. Appleās current iPhone app processor is on 32nm. For the iPhone 6 we think Apple will likely skip over 28nm and go to 20nm to facilitate adding more cores (4 or even 8). While TSMC is targeting a 2014 ramp in its 20nm production we think that issues like double patterning could make it a more complicated transition than the 28nm ramp, which had its own substant