Low-voltage cathodoluminescent phosphors

Abstract

The most significant advances in phosphor technology is the shift to the all-sulfide system and discovery of the red, rare-earth oxysulfide phosphors. White brightness efficiency of phosphor screens also improved significantly as a result of new phosphor formulations and improved screening technologies. A primary focus in the area of luminescence is phosphor development and improvement for low-voltage (≤1 kV) emissive flat-panel displays. Field emission displays (FED) based on cathodoluminescence is a promising candidate for the next generation of information display and are expected to realize the following advantages: a thinner, more portable package, wider viewing angle, lower power consumption, higher resolution and video capability.