It seems that they want to push out a 480Hz display using a "scanning backlight" to double LG's current 240Hz Trumotion technology.
Weather this is a viable option for the consumer is to be seen.
LG plans to show this new monster off at CES 2009.
Read more at Gizmodo here.
The display is claimed to have a 4ms response time, and uses a "scanning backlight" technology to leverage the company's 240Hz Trumotion technology into an effective 480 images per second. Important details like screen size, resolution, and whether or not anyone actually wants a 480Hz display (many claim that the frame interpolation effects used in such sets are distracting) will be announced at CES in January.