Provided are a light emitting device, a method of manufacturing the light emitting device, a light emitting device package, and a lighting system. The processing system can include a fan, a solids removal system, a heater, and a spin flash drying chamber. Calibration data may be stored in non-volatile memory on a component assembly or may be stored in a remote databased while a subassembly identifier is stored in the non-volatile memory. or more, and an aromatic compound having at least one hydroxyl group.