Laundry processing apparatus and method of controlling the same

A method of controlling a laundry processing apparatus, the laundry processing apparatus including a washing machine having a first cabinet with a first access opening at a front side of the first cabinet, a drying machine disposed on top of the washing machine, the drying machine being capable of communicating with the washing machine and having a second cabinet with a second access opening at a front side of the second cabinet, and a control panel disposed between the first access opening and the second access opening, the control panel, the control panel including a washer control button configured to receive an input for activating a washer control, a washing operation button configured to receive an input for starting or pausing an operation of the washing machine, wherein the washing operation button includes a first light emitting element configured to emit light, a dryer control button configured to receive an input for activating a dryer control, the dryer control button disposed above the washer control button, a drying operation button configured to receive an input for starting or pausing an operation of the drying machine, wherein the drying operation button includes a second light emitting element configured to emit light, the drying operation button disposed above the washing operation button, a plurality of setting buttons configured to receive inputs for changing settings of the laundry processing apparatus, a remote control button configured to receive an input for activating remote control of the drying machine, a first set of light emitting elements disposed behind the plurality of setting buttons to indicate settings for modifying the operation of the washing machine, a second set of light emitting elements disposed behind the plurality of setting buttons to indicate settings for modifying the operation of the drying machine, wherein the second set of light emitting elements are different from the first set of light emitting elements, and a display configured to concurrently display operation information related to the washing machine and the drying machine, the method comprising:

• controlling the first light in response to the input received through the washing operation button;
• controlling the second light in response to the input received through the drying operation button;
• identifying whether an input is received through the remote control button while displaying the operation information of the washing machine on the display;
• identifying whether a door of the drying machine is locked based on receiving the input through the remote control button;
• controlling the operation of the drying machine through a remote control based on the door of the drying machine being locked;
• controlling the drying machine to start or pause the operation of the drying machine in response to the input received through the drying operation button while concurrently displaying the operation information of the washing machine on the display;
• controlling the washing machine to start or pause the operation of the washing machine in response to the input received through the washing operation button while concurrently displaying the operation information of the drying machine on the display;
• controlling the display to display operation information of the washing machine based on receiving input through the washer control button;
• controlling the display to display operation information of the drying machine based on receiving input through the dryer control button;
• and
• controlling the display to display concurrently operation information of both the washing machine and the drying machine when both the washing machine and the drying machine are in operation, wherein the operation information includes a time remaining until an end of the operation of the washing machine and a time remaining until an end of the operation of the drying machine.