OLED (Organic Light Emitting Diode) display screen with high contrast and wide viewing angle. They are more energy efficient than standard LCD technologies. Monochrome OLED display modules have no backlight and are self luminescent, making the OLED module thinner and lower in power consumption.

Core Smart King O is mainly based on LED displays, with products ranging from 0.49 inches to 2.8 inches, the thinnest being 0.9 millimeters, and the narrowest being 8 millimeters, forming a complete product system. In addition to being widely used in consumer digital products such as smart home and smart wear, it also has irreplaceable advantages in the field of small household appliance applications