Quantum dots have been promoted as a technology that is poised to transform the LCD (liquid-crystal display) market for years now. This promise looked to be taking shape when California-based Nanosys Inc. announced last year that it had worked out a deal with the Optical Systems Division of 3M Company to produce an LCD capable of displaying 50 percent more color. The Nanosys/3M pairing was intended to improve the color and performance efficiency of LCD displays by using the quantum dots as an improved back light.

In the current display market landscape, LCDs are both inefficient and don’t produce the vibrant colors of organic light-emitting diodes (OLEDs). However, LCDs are far cheaper to produce in large screen sizes, and consumers often choose the right price over the right color. Quantum dots were supposed to give us the best of both worlds.