LG trash talks Samsung for OLED burn-in issues

pcgamer.com:

LG Display has taken the unusual move of directly calling out arch rival Samsung for OLED burn-in problems. During a press event earlier this week(opens in new tab), LG shared images produced in independent testing showing burn in on Samsung's S95B OLED set after just two months.

LG also shared images of Sony’s A95K, another OLED TV that uses Samsung panel tech, also showing burn in. All of the images were generated by Rtings as part of their TV Accelerated Longevity Test(opens in new tab). To make its point, LG compared those images to Rtings' results with its own G2 and C2 OLED TVs, both of which had no signs of burn in or image retention.

LG then went on to explain that its OLED panels are less susceptible to burn in due to the use of white subpixels. According to LG, that allows their panels to produce brighter images without wearing out the critical RGB subpixels. Samsung's OLED tech, by contrast, is pure RGB, making it more prone to burn-in by LG argument.

Meanwhile, Samsung has always espoused the view that a pure RGB subpixel delivers more accurate colors. Samsung also claims improved heat management for its OLED panels, along with a new HyperEfficient Electroluminescence material that is said to reduce the risk of burn in.

Of course, the Rtings results are but a single data point. Moreover, testing methodology can make a huge difference to the results with this kind of thing. By way of example, Rtings has already made major adjustments to its methodology despite the testing only being in place for a few months.

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