Patent ID: 8487190
Filing Date: 2013-07-16
Classification: H05K

Abstract:
1. A flexible printed circuit board, comprising: A substrate comprising a first surface and a second surface opposite to the first surface, wherein a layout zone and a reinforcing zone disposed nearby the layout zone are on the first surface; A plurality of signal lines disposed on the layout zone; A first reinforcing layer disposed on the reinforcing zone and not coupling to any signal line; and a second reinforcing layer disposed on the second surface of the substrate and not coupling to any signal line, and the first reinforcing layer and the second reinforcing layer are closer to the edge of the substrate than the plurality of signal lines are, wherein in a top view of the flexible printed circuit board, the substrate comprises a first portion, a second portion, and a bent portion therebetween, and part of the first reinforcing layer and part of the second reinforcing layer are disposed on periphery area of the bent portion.