Patent ID: 8146265
Filing Date: 2012-04-03
Classification: D06F

Abstract:
1. A display device of a dryer, comprising: a display; at least one level indicator provided with the display, wherein the at least one level indicator indicates a clogging level of an air passage of the dryer; at least one temperature control device that detects a temperature of air in the air passage; and a controller configured to control the display when power is supplied, wherein the controller is configured to control the at least one level indicator to flicker for a predetermined time to indicate that the display is in a normal operational state, and wherein the controller is further configured to turn the at least one temperature control device on and off based on the detected temperature of air in the air passage, to calculate corresponding on/off duty ratios and determine a corresponding clogging degree of the air passage based on the calculated on/off duty ratios, and to display the determined clogging degree of the air passage on the display using the at least one level indicator.