Light-emitting diodes; Infrared Light-emitting diodes; Photodiodes; Photo transistors; Laser diodes; Integrated optical circuitry; Fingerprint reader; Field-Effect Transistors; optical sensors; Power Metal-Oxide-Semiconductor Field-Effect Transistor; LED driver ICs; sensing ICs; UV LED; LED displays; LED traffic light; UV sensor; Infrared Thermography sensor; Infrared Thermography sensor and modules; Sensors; Barrier Schottky diode; Zener diodes; Car Radar Detector; Photoelectric detector; Signal coupler; Communication device