Most people shouldn't notice flicker caused by backlight strobing, but some people who are sensitive to flicker may experience discomfort and prefer a TV with a continuous light output. This can produce duplications following moving objects if the flicker frequency doesn't match the content frequency. Some TVs use flickering to decrease the brightness of images by rapidly turning the pixels or backlight on and off. If you want to see our test for monitors, check our Image Flicker of Monitors article. We currently only measure whether a TV has Black Frame Insertion (BFI) or not, and what frequencies it can flicker at, but not how effective its actual performance is. We photograph the appearance of blur on the TV with this strong flicker enabled and test whether it's possible to activate this feature with the ideal gaming settings. When evaluating the performance of image flicker, we measure the presence of backlight strobing under calibration settings and also other motion settings that enable a stronger flicker. A lack of image flicker can cause a trail to appear to follow moving objects, which can be an issue for sports or video games. Flickering the image displayed on a TV influences how clear a fast-moving object appears when tracked across the screen. Since OLEDs don't have a backlight and can turn individual pixels off completely, they can achieve the same effect with even more efficiency.Īlong with response time, one of the main causes of motion blur is how our eyes track moving objects. On LCDs, this is usually achieved by strobing the backlight on and off. Image flicker is when each frame is only displayed for a short time, with black frames, or periods of darkness, inserted between.
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