OLED materials are provided that have the general formula:. The present invention further discloses a corresponding frame processing method and a device, base station, relay station and system for implementing the method. When retracted, the takeoff and landing wings are integrated compactly into the fuselage surface. The data sensed by the electronics unit can be utilized to provide feedback to the user regarding the operation of the wrench, and to monitor the overall operation of the wrench for calibration purposes, among other functions.