Printed Circuit Board As Well As Mother Board Including Printed Circuit Board Adn Display Device

The invention provides a printed circuit board as well as mother board including printed circuit board adn display device. A display device including: a display panel; a printed circuit board (PCB) including a first substrate and a second substrate; a driving circuit disposed on the first substrate; a carrier connected between the display panel and a pad of the PCB and having a data driving integrated circuit mounted thereon; a protrusion corresponding to the pad and protruding from a side of the second substrate; and a signal line disposed in the protrusion, the first substrate, and the second substrate, the signal line for transmitting a signal from the driving circuit to the carrier. 本发明提供一种印刷电路板(PCB)和包含该PCB的母板和显示装置，该显示装置包括：显示面板；包括第一基板和第二基板的印刷电路板(PCB)；设置在第一基板上的驱动电路；连接在显示面板和PCB的焊盘之间并且其上安装有数据驱动集成电路的载板；对应于所述焊盘并且从第二基板的一侧突出的突出部；以及设置在突出部、第一基板和第二基板中的信号线，该信号线用于将信号从驱动电路传输至载板。