Micro OLED display technology is an ultra-high-resolution micro display technology that highly integrates semiconductors and OLED display technology. It has excellent characteristics such as self-illumination, high resolution, high contrast, high color gamut, large viewing angle, fast response, high luminous efficiency, low power consumption, thin thickness, light weight, small size, and easy portability. Silicon-based OLEDs are very suitable for various smart devices with near-eye display, such as AR/VR, head-mounted video players, head-mounted home theaters, head-mounted virtual reality simulators, head-mounted game consoles, pilot helmet systems, infrared night vision devices, head-mounted medical ambulance and medical diagnostic systems, etc.