BIDIRECTIONAL DISPLAY DEVICE

摘要

Provided is a bidirectional display device which outputs an image and sound in a bidirectional manner. According to the present invention, the bidirectional display device comprises: a first display panel and a second display panel facing each other; a backlight unit interposed between the first display panel and the second display panel; and at least one speaker unit comprising a first piezoelectric module and a second piezoelectric module sharing an enclosure and facing each other, a first output unit configured to output sound produced from the first piezoelectric module, and a second output unit configured to output sound produced from the second piezoelectric module.