2008-07-31

On causes of LED lumen attenuation

LED lumen attenuation is the weakening of the light signal during transmission. LED products made by global leading manufacturers at the present stage have lumen attenuation in different grades after used for a period of time and this phenomenon also exists in high power LEDs. Then, what causes LED attenuation? Lumen attenuation is directly related to the temperature, and is mainly determined by the chip, phosphor used and the packaging technology. At present, lumen attenuation has become the chief problem for white LED to march into civil lighting field.
Continue reading

Highlights: Brightek unveils the EVO iCLed platform for automotive ambient lighting, addressing the latest trends in personalized interior design. With 7000 mcd of brightness, EVO is ideal for smart surface integration or exterior ambient ligh... READ MORE

The OSCONIQ® P 3737 high-power LED achieves industry-leading wall plug efficiency of 83.2 % in Hyper Red, enabling unique output levels and cost savings Vegetable, flower, and other growers benefit from a stable photon flux thanks to the Q... READ MORE