The external quantum efficiency of the visible green perovskite LED device reached 20.3%, setting a new world record in the field!
It is reported that after nearly eight months of hard work, the 60 roads in Hangzhou have been completed on September 28, with a total length of more than 75 kilometers and a total of more than 5,300 street lamps.
In recent years, with the widespread use of road lamps in daily life, not only have some cities crowned the title of “Never Night City,”
The first new street lights were installed in Helsinki, Finland, and the color temperature of these lights can vary throughout the day.
Maybe you know that a good LED downlight and other lamps not only have the function of lighting,
With the improvement of a LED chip and driving power technology, problems such as heat dissipation, light decay,
In the past five years, the global LED lighting market has grown from approximately $22.9 billion in 2012 to roughly $55.1 billion in 2017,
On the morning of October 23, the opening ceremony of the Hong Kong-Zhuhai-Macao Bridge was held in Zhuhai, Guangdong.
Kyocera's high-color LED lighting uses its developed technology to combine purple LEDs and RGB three primary colors (red/green/blue) phosphors to create the effect of natural light reaching a specific underwater depth.
Following the initial commissioning on September 20, on the evening of September 22, the Shengze section of the Sujiahang Expressway was officially lit, and 265 sets of LED street lights added a plaque to the two-way 7.2-kilometer-long expressway.