May average retail price for 7W LED light bulbs (equivalent to 40W incandescent ones) in the China market increased 8.6% on month to CNY39 (US$6.3), while that for 9W models (equivalent to 60W incandescent ones) rose 3.4% to CNY39.4, according to Digitimes Research.
Average retail prices for 40W- and 60W-equivalent LED light bulbs in the Japan market in May stood at JPY1,760 (US$14.0) and JPY2,839 respectively, with the former growing 2.3% on month and the latter falling 0.5%, Digitimes Research indicated.
May average retail prices for 40W- and 60W-equivalent LED light bulbs in other markets were: KRW9,830 (US$8.9, down 2.4% on month) and KRW14,186 (up 0.4%) in South Korea; US$19.7 (down 1%) and US$18.4 (down 4.7%) in the US; EUR9.4 (US$10.5, down 5.1%) and EUR14 (down 1.4%) in Europe.
Philips 40W-equivalent and 60W-equivalent models for sale in the South Korea market had the highest average lumen-price ratios of 97.2lm/US$ and 117.6lm/US$ respectively in May. In terms of luminous efficiency, Toshiba 40W- and 60-equivalent LED light bulbs available in the Japan market had the highest average levels of 81.3lm/W and 105.1lm/W respectively.