Disclosed is an apparatus controlling an operation of a motor and control method thereof enabling to prevent a driving force of the motor from being reduced and actuate the motor for hours stably when a washing machine is operated for hours. Heat treatment is performed to at least the first parylene coating after being formed, at a temperature below 125\xb0 C. The measurement system comprises a pair of working electrodes, a counter electrode, and a gel-coated electrode. Responsive to the targeting quality ratings and prediction weighting data, the method generating one or more predictions of the potential reach of the alert based on the targeting quality ratings. The multilayer structure is annealed at a temperature of 200\xb0 C. A display apparatus comprising the backlight unit is provided as well.