Taking a break from the multitude of 3D-related announcements LG is drawing our attention towards another big selling point for today's HDTVs. The company has unveiled a 42-inch 1080p panel that's The company accomplished this through the use of an edge-lit LED backlight, a new optical film and a few other techniques it plans to discuss further next month at CES. The prototype panel offers a 120Hz refresh rate and weights under 8.8 pounds, making it ideal for wall-mounted TVs. That is of course once they start hitting the production lines, which could be a while considering the 5.9mm-thin panels LG showed off earlier this year still haven't.