Samsung SuperAMOLED : weekend die-shot

Updated March 20, 2015: Thanks to lucky(?) accident and new lens we managed to take much better photos of Samsung SuperAMOLED display:


October 17, 2013: Samsung's SuperAMOLED display from Galaxy S4 mini is supposed to have active matrix (i.e. control transistors are on substrate) and integrated touch sensor. Let's take a look: It seems there are at least 2 levels of barely visible interconnect (ITO?).


With few pixels glowing:


Only pixels glowing:


Half-pitch and thinnest lines are 2.5 µm. Diagonal die size is 109 mm :-)