According to reports from South Korean media on March 30, Samsung Display and LG Display have embarked on the preparatory phase for crafting large-sized panels tailored for Apple's OLED iteration of the iMac, with the anticipated market introduction slated between 2029 and 2030. Apple has mandated that both display giants furnish OLED screen prototypes produced using mass-production machinery. Samsung Display is making strides at a quicker pace, aiming to present prototypes boasting a pixel density of 220 PPI by the latter half of 2026, leveraging its expansive QD-OLED production line. While its existing production line currently supports a pixel density of 160 PPI, equipment provider SEMES has supplied inkjet printing gear capable of achieving the higher 220 PPI standard. On the flip side, LG Display intends to employ a five-layer tandem W-OLED solution, which is yet to hit the commercial market, for its panel trial production. Although this approach yields inferior brightness compared to Samsung's QD-OLED technology, it can amplify brightness by incorporating a green layer. Concurrently, LG Display is pioneering the eLEAP technology, which eliminates the need for fine metal masks. Earlier reports have highlighted Apple's demand for 24-inch OLED panels with a brightness of 600 nits and a pixel density of 218 PPI from its suppliers. In contrast, the current LCD version of the iMac delivers a brightness of 500 nits while maintaining the same pixel density of 218 PPI.