February 2015 average retail prices for 7W LED light bulbs (equivalent to 40W incandescents) in the China market increased 10.8% on month to CNY37 (US$5.9), while 9W models (equivalent to 60W incandescents) rose 4.3% to CNY43.9, according to Digitimes Research.
February average retail prices for 40W- and 60W-equivalent LED light bulbs in Japan stood at JPY1,782 (US$15.0) and JPY3,315 respectively, rising 4.3% and 0.6% on month, Digitimes Research indicated.
February average retail prices for 40W- and 60W-equivalent LED light bulbs in other markets were: KRW9,883 (US$8.90, down 27% on month) and KRW14,088 (down 0.7%) in South Korea; US$21.20 (down 2.3%) and US$19.40 (unchanged) in the US; EUR9.60 (US$11, up 5.5%) and EUR14.20 (up 5.2%) in Europe.
Philips 40W-equivalent LED light bulbs and Osram 60W-equivalent models for sale in South Korea had the highest average lumen-price ratios of 96.0lm/US$ and 101.4lm/US$ respectively, in February. In terms of luminous efficiency, Toshiba 40W- and 60-equivalent LED light bulbs available in Japan had the highest average levels at 81.1lm/W and 105.1lm/W respectively.