With the rapid development of LED lighting industry, the competition becomes more and more fierce. Almost every day, there will be a new born small LE [Read More…]
With the rapid development of LED lighting industry, the competition becomes more and more fierce. Almost every day, there will be a new born small LE [Read More…]
There three units can be used to present light intensity: Lux (unit of illuminance: the illuminace of 1L light within one cubic centimeter), Lumen (un [Read More…]
Light Emitting Diode (LED) is a type of electronic components that convert electric energy into optical energy. Most LED Projects can send out lights [Read More…]
Some people suggest that the temperature span should be larger than 50 degrees when measure the PN junction temperature by using voltage method. The v [Read More…]
More and more people realize that estimating the specific temperature of LED chips by measuring LED lamps covers temperature is inaccurate. However, h [Read More…]
As we all know, light color of LED can be determined by materials used in n-type region and p-type region, and light intensity is determined by the nu [Read More…]
3. Electrons in the edge of p-type section. Electrons pass LED PN junction and finally reach the edge of p-type section. Most of them will be capture [Read More…]
LED (light-emitting diode) is a kind of one-way conductive electronic component. Generally, diode is a PN junction composed by a p-type semiconductor [Read More…]
At this stage, the global climate change intensely, and the extreme weather are more frequent than in modern times. From 2011,2012 Northern Hemisphere [Read More…]
In the spring of this year, the Democractic Party government of Canada launched legislative rule that the roads and highways must use LED lights. And [Read More…]