• This review provides a comprehensive exploration of advanced film and patterning fabrication techniques for high-performance perovskite light-emitting diodes (PeLEDs).
• This review examines both top-down and bottom-up techniques, such as photolithography and inkjet printing to achieve precise patterning of PeLEDs for full-color displays.
• This review discusses critical challenges, including device stability, scalable manufacturing, and microscale pixel patterning, as well as promising strategies to overcome these obstacles for the commercialization of PeLEDs.
• The review systematically categorizes fabrication methods into film deposition and patterning strategies, offering insights into scalable manufacturing and precision patterning for PeLEDs.