Abstract: Embodiments of the present disclosure relate to the technical field of signal transmission, and in particular to a printed circuit board and a signal transmission system. In the printed circuit board, a first signal line (140) extends, by means of passing through a second hole segment (135) and a fourth hole segment (137), from one first differential signal hole pair (121) of a first column structural unit (120) to the side of a second column structural unit (130) that is away from the first column structural unit; or, a first signal line (340) extends, by means of passing through two adjacent second ground holes (332), from one first differential signal hole pair (321) of a first column structural unit (320) to the side of a second column structural unit (330) that is away from the first column structural unit (320).

Abstract: Provided in embodiments of the present disclosure are a cable connection structure, a cable connection component, and an electrical interconnection system. The cable connection structure includes a conductive part and a fixing part for fixing the conductive part. The conductive part includes at least one pair of first signal conductors arranged at an interval in a first direction, and at least one pair of second signal conductors arranged at an interval in a second direction. The first signal conductor is electrically connected to a first-type cable. The second signal conductor is electrically connected to a second-type cable with a diameter greater than that of the first-type cable. The first signal conductors are electrically connected to the second signal conductors in one-to-one correspondence. A width of the first signal conductor in the first direction is less than a width of the second signal conductor in the second direction.

Abstract: A display module and a display terminal are provided. The display module includes a display panel, a support layer, and a buffer layer, wherein the display panel includes a display portion, a terminal bonding portion, and a bent portion. The support layer is disposed between the display portion and the terminal bonding portion, the buffer layer is disposed on the support layer, the buffer layer includes a first portion and a second portion disposed on a side of the first portion, the second portion corresponds to the terminal bonding portion, and rigidity of the second portion is greater than rigidity of the first portion.

Abstract: Embodiments of the present disclosure relate to the field of communication device technology, which provide a circuit board including a first signal line and a second signal line that are disposed adjacent to each other, a ground plane, and a conductive layer connected to the ground plane. The conductive layer is disposed between the first signal line and the second signal line. Embodiments of the present disclosure further provide a communication device.