An emission control driver that applies an emission control signal for controlling an emission operation of a pixel circuit is provided. In some cases, this sorted list of speakers indicates which speaker is dominant. Therefore, an increased aesthetic appearance of the display box is achieved, resulting in increased sales and minimal wasting of display box products. The device also includes an actuation means for deflecting the active area toward or away from the upper surface of the substrate. or less and having a contact resistance of less than 5\xd710\u22124 ohms-cm2.