Metal Halide Perovskite as Down‐Conversion Materials for Advanced Display

Metal halide perovskites have gained worldwide attention as excellent optoelectronic materials. Over the past decade, perovskite-based color conversion technology has shown significant promise for commercialization, particularly in display applications. Prototypes of displays utilizing this technology have made remarkable achievements. As slightly more than a decade has elapsed since the discovery of metal halide perovskite light-emitting diodes, a comprehensive review, and outlook is crucial to advance the color conversion technology and explore its full potential in next-generation displays. To this end, this paper systematically outlined the strategies for enhancing material performance and patterning fabrication techniques for color converters. Building on current technological advancements, this review also summarizes new chances for perovskite color conversion in emerging display morphologies. Furthermore, the key challenges hindering the commercialization of perovskite color converters are pointed out to guide future research and development. This review aims to offer valuable insights into perovskite color conversion for advanced displays.