Brilliant though the TV world’s new high dynamic range (HDR) technology is, it’s also proving monumentally hard for current TV technologies to handle. Which is precisely why Sony has moved past “current TV technologies” and come up with something new for its XD9305 series: the Slim Backlight Drive.

The main trick of this new Drive is that it introduces unprecedented levels of local light control to the edge LED lighting systems favourited – for affordability reasons – by the majority of LCD TVs. Its trick is that it places two of the light guide plates required by edge LED TVs in sequence, rather than just sticking with the usual single plate.

This gives the XD93 twice as much potential for controlling the amount of light appearing in different parts of the picture. That’s a big deal at any time, but a potential deal-maker in these days of HDR, where the need for more localised light controls has shifted to a whole new level.
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