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LED local dimming explained

The term "local dimming" gets used frequently in LED LCD marketing. It's one of the few such terms that can actually denote improved picture quality, but not all local-dimming methods are created equal. Here's the difference. One of the top buzzterms in LED LCD marketing is "local dimming." Ostensibly, local dimming can dim the area of the screen that needs it, while keeping the bright parts of the screen bright. This technology can really increase the contrast ratio to make a better image. But not all local dimming works the same, and certain types of local dimming work better than others.

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