Here we have Samsung's edge-lit LED unit, which comprises of two major components: a long LED module of tiny white diodes and a thin screen-sized plastic sheet known as a light guide plate. Four ...

The LED (yellow here, because white doesn't show up on a white background) fires along the width of the TV. The light guide (circular parts) reflect this light towards the screen.

(AP) NEW YORK - Barnes & Noble Inc. on Thursday said it's tackling one of the shortcomings of black-and-white e-readers with a screen that lights up so it can be read in the dark. E-readers with ...

New material for warm-white LED lights Date: January 18, 2013 Source: University of Georgia Summary: Light emitting diodes, more commonly called LEDs, are known for their energy efficiency and ...

While monochromatic light is fine for indicator lights, most display and general lighting applications use white light. Not only is white light a mixture of multiple wavelengths but, as previously ...