“I have read the OLED ‘s are subject to image burn in if TV is left on all day with images that are stagnant on the screen such as news or weather channels that have some stagnant images. How many viewing hours does it take to cause screen burn in?”
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There is not a recommended viewing time to prevent burn in. Burn-in and image retention are possible on virtually any display. Most cases of burn-in in televisions is a result of static images or on-screen elements displaying on the screen uninterrupted for many hours or days at a time – with brightness typically at peak levels. If image retention occurs from extreme usage, it can usually be mitigated within a short period of time by turning the display off for a while, and watching a few hours of varying content (such as your standard TV watching and channel-surfing). OLED TVs have special features and settings to preserve image quality and prevent burn in and image retention. First, under OLED Screen Saver there is a Pixel Refresher that calibrates any issues that may arise on the screen when your TV has been turned on for a long time. Calibration takes more than an hour. The second feature that can be employed is the Screen Shift feature which, moves the screen slightly at regular intervals to preserve image quality. A third option is the Logo Luminance Adjustment, which can detect static logos on the screen and reduce brightness to help decrease permanent image retention. ^Daphane
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