Patent ID: 9265140
Filing Date: 2016-02-16
CPC Classification: H05K

Claim Text:
1. An electrical connection structure, comprising: a first board body; a first signal line extending along a first direction on the first board body; first ground lines provided spaced apart from each other at two opposite sides of the first signal line to be on the first board body to extend along the first direction; via ground lines connected to the first ground lines through the first board body; a ground plate provided below the first board body and connected to the via ground lines; a second board body overlapped with the first board body; second ground lines provided on the second board body and connected to the ground plate, the second ground lines extending along the first direction; a second signal line provided between the second ground lines to be on the second board body to extend along the first direction, the first and second signal lines being not overlapped with each other; and a first junction soldering connecting the second signal line with the first signal line; wherein the first board body comprises a first margin region provided near a first edge thereof, and the ground plate is provided completely outside of the first margin region, wherein the second board body comprises a second margin region provided between the second ground lines, in a plan view the second margin region has an end at a second edge of the second board body that the second ground lines are disposed on, and the second signal line is provided completely outside of the second margin region so that the second signal line is away from and not directly on any of the entire second edge of the second board body that the second ground lines are disposed on, wherein the first margin region overlaps with the second margin region.