Patent ID: 9535302
Date: 2017-01-03
CPC Classifications: G02F,H01L,H05K

Claim:
1. A display device comprising: a display panel configured to display an image, the display panel comprising a plurality of pixels; a chip on film (COF) coupled to the display panel, the COF comprising a driver, a plurality of COF wires and a plurality of COF pads; and a flexible printed circuit board (FPCB) coupled to the COF, the FPCB comprising a plurality of FPCB wires and a plurality of FPCB pads, wherein the plurality of COF pads are arranged in two rows, wherein one or more COF pads of the plurality of COF pads in a first row of the two rows are one or more dummy pads, wherein the one or more dummy pads are at a high speed signal transmitting region, wherein, in the high speed signal transmitting region, the one or more dummy pads are arranged at the first row and high speed signal pads of the plurality of COF pads are arranged at a second row of the two rows, and wherein a pair of adjacent high speed signal pads of the plurality of COF pads are supplied with positive (+) and negative (−) signals from the driver.