December average retail prices for LED light bulbs equivalent to 40W incandescent bulbs in the US, Europe, Japan and South Korea all decreased on month, according to Digitimes Research.
December average retail prices for 40W- and 60W-equivalent LED light bulbs were: US$20 (down 2.9% on month) and US$22.10 (down 2.6%) in the US; EUR13.40 (US$18.30, down 11.8%) and EUR19.20 (up 12.3%) in Europe; JPY1,687 (US$16.20, down 3.4%) and JPY2,474 (up 0.9%) in Japan; KRW14,544 (US$13.70, down 3.2%) and KRW16,170 (down 0.6%) in South Korea, Digitimes Research indicated.
In the China market particularly, December average retail prices for 7W and 9W LED light bulbs stood at CNY47.50 (US$7.80, up 12.8%) and CNY58.10 (up 1.0%) respectively.
LG 40W-equivalent LED light bulbs for sale in the US market and Osram 60W-equivalent models for sale in South Korea had the highest lumen/price ratios of 79.0lm/US$ and 109.3lm/US$, respectively, in December. In terms of average luminous efficiency, Cree 40W-equivalent LED light bulbs for sale in the US market and Toshiba 60W-equivalent models available in Japan had the highest levels at 75.0lm/W and 96.5lm/W, respectively.