Global 40W equiv. LED bulb Average Selling Price (ASP) increased slightly by 1.7% in August 2013 to US$ 15.7, according to a recent bulb retail survey conducted by LEDinside, a research subsidiary of Trendforce. Global introduction of new products for August was low. Global 60W equiv. LED bulbs ASP dropped slightly by 2.9% to US$ 21.9. Price drops were most obvious in U.K.