IIT-Madras researchers design white light emitters for LED applications

What is the News? Researchers at the Indian Institute of Technology (IIT) Madras have successfully developed a white light emitter for use in LEDs. What is LED (Light-Emitting Diodes)? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it.  How do LEDs emit white light? Conventional… Continue reading IIT-Madras researchers design white light emitters for LED applications

Are LEDs bad for your eyes? The jury is still out

French Agency for Food, Environmental and Occupational Health and Safety has claimed that the blue light in LED lightning can damage retina. LED lights are the latest technology in energy efficient lighting It has added that chronic exposure can accelerate ageing of retinal tissue and can cause degenerative diseases such as macular degeneration. However, experts… Continue reading Are LEDs bad for your eyes? The jury is still out