Color digital laser and light-emitting diode printers are very similar. Both can print your business documents relatively quickly by melting toner to the paper, and both use a photosensitive drum. The ...

Chinese projector maker XGIMI reckons it's come up with a best of both worlds solution for projector light sources by combining the high color fidelity and comfortable viewing experience of LED ...

An LED and a semiconductor laser (or laser LED) work in essentially the same way, that is, light is emitted as electrons and holes combine, with emission wavelength dependent upon the materials used.

Laser light sources for projectors have their pros and cons. The same is true for LED. The MP1 Max from Dangbei teams them up for the promise of "stunning color accuracy, and enhanced viewing comfort.

LED headlamps are only just trickling onto the market -- mostly on high-end cars -- but now it seems a certain German automaker has plans for laser headlamps. "Laser light is the next logical step in ...

In 1962, when he was 33, the scientist Nick Holonyak, Jr., created the first practical visible light-emitting diode. At GE, they called it "the magic one." Someone actually wrote that on the back—here ...