Value HDTV brand Vizio has introduced 31 new models, including its first HDTV with 240-Hz technology and an LED backlight.

The company also announced that it has filed a patent-infringement suit against LG Electronics, and that a similar case against Funai is continuing.

Often bracketed as a second-tier brand compared to rivals such as Sharp, Sony, and Toshiba, Vizio has gained a reputation for its good-value sets, which often contain features on a par with more expensive models.

The company continues in this vein with its new HDTV lineup, which splits into three lines – the XVT, M and E series – with prices beginning at USD $250 and climbing to USD $2,200.

All the new models boast Energy Star 3.0 certification.

The new range’s value line – the "E" series – offers TruSurround and some models come with EcoHD technology for reducing power levels below Energy Star 3.0 requirements.

The "M" series – with the VL and the VT sub-categories – has a USB multimedia feature that can play back content stored on a thumb drive or USB drive.

HDTVs also have a Pause Live TV feature, for caching segments of live TV broadcast. Each model has multiple HDMI inputs and some include a side HDMI port as well. The contrast ratio is 50,000:1.

At the high end of the line are Vizio’s premier XVT sets. The flagship VF551XVT is the only one of Vizio’s HDTVs to include both an LED backlight as well as 240-Hz technology.

All the XVT models include dedicated USB inputs, a 2,0000:1 contrast ratio, SRS TruSurround audio and TruVolume.

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