Touch keyboard and PET (Polyethylene Terephthalate) film structure

The invention provides a touch keyboard and a PET (Polyethylene Terephthalate) film structure. The touch keyboard comprises: a receiving electrode; the transmitting electrode, the receiving electrode and the transmitting electrode are located on different layers; a first ground layer located in an interlaced region of the receiving electrode and the transmitting electrode in the first direction and located between the receiving electrode and the transmitting electrode in the first direction; the receiving electrode, the transmitting electrode and the first grounding layer are located below the key in the first direction. The invention also discloses a touch keyboard with the receiving electrode and the transmitting electrode on the same layer, and a grounding layer of the touch keyboard is arranged between the bridging area of the transmitting electrode and the receiving electrode. According to the touch keyboard, the grounding layer is provided between the transmitting electrode and the receiving electrode,