Patent ID: 8749461
Filing Date: 2014-06-10
Classification: G09G,H01L

Abstract:
1. A display device comprising: a pixel portion; a plurality of gate lines at least in the pixel portion; a plurality of wirings at least in the pixel portion, wherein the plurality of gate lines are parallel to the plurality of wirings; an insulating layer over the plurality of gate lines and the plurality of wirings; a plurality of contact holes in the insulating layer; a plurality of source lines over the insulating layer; a plurality of current supply lines over the insulating layer, wherein the plurality of source lines are parallel to the plurality of current supply lines; and a transistor comprising a gate, a source and a drain, wherein the gate of the transistor is electrically connected to one of the plurality of gate lines, wherein one of the source and the drain of the transistor is electrically connected to one of the plurality of source lines, wherein one of the plurality of current supply lines is connected to one of the plurality of wirings through the plurality of contact holes at an intersection of the one of the plurality of current supply lines and the one of the plurality of wirings, and wherein the plurality of contact holes are arranged in a direction parallel to the one of the plurality of current supply lines.