Samsung Display and LG Display have begun preparations to respond to Apple’s OLED transition for the iMac (monitor). Apple is planning to apply OLED to the iMac for the first time around 2029–2030.

According to industry sources, Apple recently asked Samsung Display and LG Display to produce iMac OLED samples using their mass-production equipment.

Samsung Display plans to produce OLED samples with a pixel density of around 220 PPI on its large-size Quantum Dot (QD)-OLED production line and send them to Apple in the second half of this year.

The Korean tech giant has also been mass-producing a 5-stack (B-B-G-B-G) QD-OLED since last year. By adding an extra green (G) layer, it gains an advantage in brightness.

Previously, the iMac OLED specs requested by Apple were reported to include a 24-inch panel with 600 nits brightness and 218 PPI. The current LCD iMac sold by Apple has key specifications such as 500 nits brightness and 218 PPI.

LG Display also plans to respond to the iMac OLED using its large-size White (W)-OLED technology, but it is expected to lag behind Samsung Display.

It’s reported that LG Display is planning to respond to the iMac OLED not with its current 4-stack (B-G-B-R) W-OLED, but with a 5-stack (B-G-B-R-G) W-OLED that is still under development.

LG Display is also developing its ‘eLEAP’ technology, which does not use a fine metal mask (FMM), to target IT OLED applications such as the iMac and MacBook, which internally refers to eLEAP as “FLIP.”

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