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Sony XBR goes over edge with full-array local dimming

The Sony XBR-HX900 series of LED-based LCD TVs offers local dimming in a full array, as opposed to edge-lit, design.

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David Katzmaier
David_Katzmaier.jpg
David Katzmaier Editorial Director -- TVs and streaming
David runs CNET's home entertainment division, where he leads a team that covers TVs, streaming services, streaming devices and home audio. If he doesn't know something about the gear you use to keep yourself entertained at home, it's not worth knowing.
Expertise A 20-year CNET veteran, David has been reviewing TVs since the days of CRT, rear-projection and plasma. Prior to CNET he worked at Sound & Vision magazine and eTown.com. He is known to two people on Twitter as the Cormac McCarthy of consumer electronics. Credentials Although still awaiting his Oscar for Best Picture Reviewer, David does hold certifications from the Imaging Science Foundation and the National Institutes of Standards and Technology on display calibration and evaluation.
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Videophiles rejoice: Sony goes back to local dimming with the KDL-HX900 series. Sony

LAS VEGAS--Among the numerous permutations of LED backlighting, we've consistently experienced the best results with the variety known as local dimming, which typically uses a full array of LEDs arranged behind the screen, not just along the edge. Those LEDs can dim or illuminate as necessary depending on program content, and as a result can achieve excellent contrast, black levels, and overall picture quality.

The excellent KDL-55XBR8 from 2008 was the company's last attempt at the technology. Sony skipped LED entirely in 2009 (with one unimpressive exception), but for CES 2010 it announced no fewer than five series of LCD TVs with LED backlights.

Among those five, only the XBR-HX900 series has local dimming with a full array of LEDs behind the screen, not arranged along the edge, so we expect this set to receive the most interest from videophiles. We'll have to wait for a review sample before we can see how it performs, but we're expecting good things.

Otherwise the HX900 is quite similar to the step-down KDL-HX800 in the company's lineup, although Sony does tout an ambient light sensor that we doubt will interest videophiles at all.

Sony XBR-HX900 features:

  • Full-array LED backlight with local dimming
  • 3D compatible
  • 240Hz refresh rate
  • Bravia Video interactive suite with Netflix, Amazon Video on Demand, YouTube, NPR, Yahoo Widgets and more
  • Optional-in Wi-Fi connection

Sony XBR-HX900 series models:

  • Sony Bravia XBR-52HX900: 52-inch, available summer 2010, price TBD
  • Sony Bravia XBR-46HX900: 46-inch, available summer 2010, price TBD