Panel structure

A panel structure installed on an electric device, the electric device comprising a circuit board comprising at least one indicating lamp for displaying actions of the electric device and at least one button switch for inputting the default command of the electric device, the panel structure comprising:

• a panel connected to the electric device for covering the circuit board, the panel comprising at least one slotting;
• and
• at least one button installed between the circuit board and the panel for matching the slotting, comprising:
• a prominent part, which is hollow and transparent and is protruded from the slotting;
• a pressing part extended from the bottom of the prominent part;
• and
• an elastic frame extended from the bottom of the prominent part, wherein the one end of the elastic frame is connected to the panel for holding the button slightly protruded from the slotting when the button is not being forced and for making the pressing part contact with the button switch when the button is being forced.