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Did Samsung manage to produce a 350 ppi OLED panel using FMM?
Update: according to the english version of the article, the 350ppi was achieved "in the lab", so it's not clear how close this is to commercialization. The article also suggests that Samsung is indeed moving away from LITI...
There's a report from Korea suggesting that Samsung managed to reach 350 ppi on an OLED display using FMM (Fine Metal Mask). Up until now Samsung focused on LITI to reach such high resolutions, but if this is true then Samsung can quickly apply this production process to their current AMOLED fabs.
Hopefully we'll hear more of this achievement if true soon. One of the major advantages of current LCDs over OLED panels is the higher possible density (Apple's Retina display for example reaches 326 ppi), so this may be a huge boost for OLEDs.