Taiwan-based high power LED manufacturer Edison Opto plans to provide products for TV backlight applications in 2013. According to industry sources, Edison Opto's TV backlighting products passed verification in the second quarter and will begin shipments in July. Edison Opto noted that in the past, side-lit LED TVs required light guide plates, but direct-lit LED TVs do not need such components. For 32-inch side-lit LED TVs, the light guide plate cost is around US$7/unit. Without the light guide plates, said Edison Opto, production costs can be effec...