Patent ID: 9098132
Filing Date: 2015-08-04
Classification: G02F,G06F,H01J

Abstract:
1. A Line On Glass (LOG) type liquid crystal display device comprising: a liquid crystal panel divided into a display region and a non-display region, and having a plurality of data lines and gate lines intersecting with each other on the display region; a flexible printed circuit (FPC) configured to electrically connect a printed circuit board to the liquid crystal panel; a plurality of gate driving integrated circuits (ICs) and data driving integrated circuits being packaged onto the non-display region; a plurality of outer lead bonding (OLB) lines and line on glasses (LOGs) employed for connection between the flexible printed circuit and the data driving integrated circuits and between the flexible printed circuit and the gate driving integrated circuits, respectively, and implemented as a dual line that a data conductive layer is deposited on a gate conductive layer; and a plurality of flexible printed circuit pads within the flexible printed circuit, respectively, and configured to electrically connect the gate conductive layer and the data conductive layer of the outer lead bonding line or the line on glass, wherein each of the flexible printed circuit pads comprises: a lower electrode of a flexible printed circuit pad comprised as the gate conductive layer on a first substrate; a gate insulating layer on the first substrate having the lower electrode of the flexible printed circuit pad; a first etch stopper on the gate insulating layer to overlap the lower electrode of the flexible printed circuit pad; an upper electrode of a flexible printed circuit pad comprised as the data conductive layer to shield the first etch stopper; a passivation layer on the first substrate having the upper electrode of the flexible printed circuit pad; and a flexible printed circuit and electrode electrically connected to the lower electrode and the upper electrode of the flexible printed circuit pad via a plurality of first contact holes and second contact holes at the passivation layer.