August 2017 average retail price for 7W LED light bulbs (40W incandescent equivalents) in the China market decreased 6.0% from June 2017 to CNY25.1 (US$3.8), while 9W models (60W incandescent equivalents) increased 0.3% to CNY32.3, according to Digitimes Research.
August average prices for 40W- and 60W-equivalent LED bulbs in Japan stood at JPY1,427 (US$13.0) and JPY1,820 respectively, the former growing 0.7% from June and the latter slipping 0.8%, Digitimes Research indicated.
August average prices for 40W- and 60W-equivalent LED bulbs in other markets were: KRW7,654 (US$6.9, up 0.8% from June) and KRW12,258 (down 1.8%) in South Korea; US$15.9 (down 7.6%) and US$20.3 (up 6.8%) in the US; EUR4.6 (US$5.5, down 25.8%) and EUR8.8 (up 6.0%) in Europe.
Philips 40W-equivalent LED bulbs and Osram 60W-equivalent models available in South Korea had the highest average lumen-price ratios of 134.7lm/US$ and 244.4lm/US$ respectively in August. In terms of luminous efficiency, Mitsubishi Electric 40W-equivalent LED bulbs and 60W-equivalent models in Japan had the highest average level of 95.5lm/W and 108.2lm/W respectively in August.