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Each pixel is on its own so no backlight. Just each pixels brightness which is why you get true blacks and great contrast.
Sorry, there was a problem. Please try again later.Hi there! Thank you for your inquiry. For the LG OLED55B4PUA, this TV uses OLED technology, which means it does not have a traditional backlight. Instead, it has self-illuminating pixels, where each pixel produces its own light. This allows for perfect blacks and an enhanced contrast ratio, which are signature features of OLED displays. https://www.lg.com/us/tvs/lg-oled55b4pua-oled-4k-tv#pdp_specs If you need any more details or assistance, feel free to message us privately @LGUSSupport. We’re here to help! —Renzo
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