Some Taiwan-based IC suppliers have been ramping their shipments of LED driver ICs to China thanks to the fledging LED lighting industry in the country and growing demand for LED backlight products from China-based smartphone, tablet and consumer electronic product makers. Among the IC vendors, Macroblock and On-Bright Electronics are expected to see their revenues grow over 30% sequentially in the second quarter, while fellow companies Richtek Technology and Global Mixed-mode Technology (GMT) are likely to double their shipments of LED driver ICs on qu...