LG Display did apparently not go into much more details than that at the online press conference the company had called last week, so we'll have to wait and see what Rtings reveals in its next update on its long term testing, which is supposed to take place sometime this month. LG now claims that because Samsung went down the path of using pure RGB subpixels, each subpixel is subjected to a lot more stress on static images than its own WOLED design, which in turn causes screen burn. However, Samsung's QD OLED displays use a blue OLED layer behind a Quantum Dot layer, which is meant to produce a brighter image than LG's WOLED panels.
However, RGB subpixels on larger screens tend to lack in brightness and this is why LG added white subpixels to its WOLED panels, which was also a source of criticism from Samsung. LG Display is basing much of its claims on testing by Rtings, which isn't yet publicly available, but the company also has a technical explanation behind it all.īoth LG's and Samsung's OLED panels are based around RGB subpixels, just like most LCD panels, with the difference being that OLED panels don't have a backlight, as the pixels themselves are supposed to emit the light. In a way, this is LG getting back at Samsung, as the latter has criticised LG for quite some time, over screen burn on its OLED displays, despite the fact that Samsung hasn't had any of its own OLED products until last year. Welcome to the battle of the Korean OLED display makers, where LG Display is now claiming that Samsung's new-ish QD OLED displays are far more susceptible to screen burn, compared to its own WOLED displays.
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