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Image: LG
Astounding picture quality aside, LG’s 2019 and 2020 OLED TVs provide plenty of gamer-friendly HDMI 2.1 features such as ALLM (Auto Low Latency Mode) and VRR (Variable Refresh Rate). Unfortunately, HDTVTest’s Vincent Teoh has reported that the latter is marred by a significant caveat: gamma/brightness shift.
What this basically means is that when VRR is enabled on LG’s HDMI 2.1 OLED TVs, the picture diverges from the calibrated values, resulting in an incorrect increase in black levels. As the OLED Association explains in its letter (which confirms the issue), this is a notable problem that could result in a loss of shadow detail in scenes.
Forbes’ reported LGE’s 2019 and 2020 OLED TVs variable refresh...
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