Japan, 20% of the rail operator, power consumption about the station power consumption has a tendency to increase year by year. To stop this trend, companies have started using photovoltaic power generation system at the station and LED lights, etc.
Among them, JR east Japan to promote “green” station project is a good example. The project […]
Electronic and information engineering department of the Hong Kong polytechnic university researchers recently developed high-performance LED driver, can make the LED light more bright and energy saving.
The new drive the innovation of multilevel PWM technology for the LED power supply, and compared the current LED products using PWM and linear drive, this technique significantly improves […]
Japan is the world’s energy usage/value of the lowest GDP, American families even power consumption 2 times that of Japan family, instruments and meters 4 times, Japan is not satisfied with this meaning, however, the Japanese in the future to produce in low cost categories compete with many developing countries in the world, is a […]
The personage inside course of study, it is generally believed in the life of a LED lamp bead, 100000 hours, but after make lamps and lanterns is influenced by many factors, therefore, at present the common leds in the LED lighting industry life value parameter about 30000 to 50000 hours. It is understood that the […]
And industry insiders told reporters, the lamps and lanterns of some companies almost completely don’t understand material properties, design personnel and the business operators concerned is just on how to reduce the cost, how to seize the market, at a low price eventually reduces the LED lamp bead brightness and life, and thus the overall […]
Guangdong province quality technology supervision bureau released in August 2012 in guangzhou, shenzhen, zhuhai, foshan, zhongshan, huizhou, dongguan and other seven cities of 21 enterprises produced a total of 23 batches from ballast LED lights product spot-check results, unqualified 17 batches, fraction defective is as high as 73.9%. The relevant person in charge of the […]
According to introducing, the life of the traditional light source performance measurement and evaluation has been standardized, because its life is short and the light source are interchangeable, both incandescent bulbs and energy-saving lamps, light bulb is broken in a won’t influence the continue to use of lamps and lanterns, so don’t usually evaluation of […]
In addition, the definition of life of the LED lamps and lanterns is also questionable. Because the LED lamps and lanterns is different with the traditional light source of a single light of it is more light and light, light, and color difference between the color temperature, the change of the respect such as colour […]
The national center for quality supervision and inspection of lamps and lanterns, senior engineers, senior auditors YuAnQi said in landscape lighting, backlighting, LED has been basically can live long, but in the field of general lighting, LED can not achieve the high efficiency and long life.
China lighting electric appliance association director liu singer told reporters: […]
The new semester began, usher in the shopping season, school things and in energy saving, longevity, the banner of the LED desk lamp that shield an eye is attracted the attention of a large number of parents. But recently the us department of energy (DOE) released a report on the life and reliability of solid […]
Taiwan LED packaging factory August bookends, consolidated revenue performance by LED backlight pulled goods strength decline, the customer cargo deferred, order to adjust the schedule and other factors, most companies on August 3 ~ 15% decline in revenue from the previous month, including east bay, YiDiSen, huaxing, hk hon, ding, such as light, but light […]
This year the situation for the LED industry, many large companies to expand capacity, new energy-saving products to meet market demand, even playing the “price war”. Released after samsung, sharp, respectively, for less than 15 and $10 for LED bulbs, osram also announced the following 10 euro products, hope to occupy more market share around […]