When you look at your phone, you’re looking at luminescence and other optical materials at work. If it were not for scientific and technological advancements in this area, we would be back in the technology of the rotary phone.

• Display system modulates monochromatic light to produce text and pictures
• Back-lights, transparent electronics, liquid crystals, and color filters produce the desired display
• Optical and luminescent materials govern the display and control lights in the front end