A plasma display apparatus assembly having high heat-dissipation efficiency is disclosed. In one embodiment, the plasma display apparatus assembly includes: i) a plasma display panel, ii) a chassis base coupled with a rear surface of the plasma display panel and supporting the plasma display panel, iii) a driver circuit board disposed behind the chassis base and having a circuit for driving the plasma display panel, iv) a signal transmission member transmitting an electric signal from the driver circuit board to the plasma display panel, the signal transmission member being connected at one side to the driver circuit board and at the other side to the plasma display panel and including at least one electronic device, v) a protective cover plate covering a portion of the signal transmission member on which the at least one electronic device is mounted, and vi) a heat pipe transferring heat generated by the electronic device to the protective cover plate.