What is the most energy efficient display technology?

As of now, OLED (Organic Light-Emitting Diode) technology is considered one of the most energy-efficient display technologies. Unlike traditional LCDs, which require a backlight, OLED panels emit their own light, allowing for deeper blacks and reduced power consumption when displaying dark images. Additionally, advancements in microLED technology are also promising, as it offers high brightness and efficiency while being energy-efficient. Overall, the choice of technology may depend on specific use cases and content being displayed.