US Patent 10921981 Electronic device and mode switching method of thereof

An electronic device includes a keyboard module, a silicone film, a light-emitting module, and a touch module. The keyboard module has a plurality of buttons and a point stick. The silicone film has a virtual touch region. The light-emitting module is configured below the silicone film and corresponds to the virtual touch region. The light-emitting module includes a first light-emitting unit and a second light-emitting unit. The touch module is configured below the silicone film and corresponds to the virtual touch region. The touch module includes a control chip and a sensing layer. The point stick, the first light-emitting unit, the second light-emitting unit, and the sensing layer are electrically connected to the control chip, respectively.