For reference, my XPS 13 is a 9343 and my XPS 15 is a 9550.
The 9343 has an i5-5200u, and the 1920x1080 FHD InfinityEdge matte NON-touch display which is a Sharp display.
The 9550 has an i7-6700HQ, and again the 1920x1080 FHD InfinityEdge matte NON-touch display, the description for which is: 1203M1LIQUID CRYSTAL DISPLAY, 15.6FHD, EDP, AG, FML, SHARP