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Review: LG Display's OLED earns gaming certifications from TÜV & Intertek


The full range of OLED TV panels, 48 to 88 inches, has passed testing by Germany’s TÜV Rheinland and the UK’s Intertek relating to response time, ghosting, and other parameters. VRR remains an issue.

OLED gaming certification

You may know inspection institutions TÜV and Intertek's safety certifications. The independent organizations are now also, apparently, certifying displays based on their gaming performance and quality. LG Display's OLED TV panels have earned 'High Gaming Performance Gold' certification from TÜV Rheinland and 'Qualified Superior Gaming Performance' certification from Intertek. - "According to Intertek’s test results, the company’s OLED TV panels are the fastest display available today with a fast response time of less than 0.1 ms (0.0001 seconds) based on GTG (Gray to Gray) measurement method. In addition, OLED is found to be inverse ghosting free – an issue commonly seen on LCD displays where previous image frames linger because they are simply too fast for the LCD displays to handle," announced LG Display. Also read: Review: LG C1 OLED - "Meanwhile, TÜV Rheinland comprehensively measured the innovative OLED panels’ capabilities which include testing on refresh rates, GTG response time, motion blur and color gamut, and afterwards rewarded OLED TV displays with their High Gaming Performance Gold status, the highest gaming performance certification to date," said LG Display. LG Display's OLED panels are used in all currently available OLED TVs from all brands including LG, Panasonic, Philips, Sony, and Vizio.

OLED gaming certification

LG DIsplay's OLED has earned TÜV and Intertek certifications. Photo: Company

VRR remains an issue

If you have been reading FlatpanelsHD's reviews you should already be familiar with many of these themes. Unlike "QLED", "LED", "ULED" and other types of LCD TVs, OLED is self-emissive display technology where each pixel is made up of tiny and extremely fast light emitting diodes. However, neither of the two inspection institutions appear to have tested VRR (Variable Refresh Rate), which still causes raised black and flicker on LG Display's OLED panels. LCD panels in general also suffer from various issues in VRR mode including raised black but this are caused by other factors. - "Gamma for OLED is optimized and fixed for 120Hz by establishing a fixed charging time for OLED sub-pixels. VRR is used when the frame rate is less than 120 Hz. When the OLED TV uses framerates less than 120Hz, the gamma curve is inconsistent with the frame rate," the OLED Association explained last year. "Therefore, the lower frame rates results in sub pixels that are overcharged, causing flickering of dark gray images, which is noticeable for dark images rather than bright ones, because human eyes are more sensitive to low gray colors. LGD will likely solve this problem establishing multiple gamma curves optimized for lower frame rates." As part of today's announcement, LG also said that its OLED panels have the "lowest level of blue light emissions in the industry, allowing gamers to play comfortably during long gaming sessions without experiencing side effects like eye fatigue". - "With its OLED technology, LG Display will create a differentiated gaming environment, thereby enabling gamers all over the world to enjoy unmatched picture quality and performance when playing their favorite games," said Oh Chang-ho, EVP & Head of TV Business, LG Display. - Source: LG Display, TÜV Rheinland (cert. 1111245489), Intertek (cert. 21KRQ1443)

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