Display device

Abstract

A display device includes a data line, a vertical transmission line and a horizontal transmission line. The data line extends in a first direction and is arranged in a second direction on a display area divided into upper and lower display areas, and is connected to pixels. A vertical transmission line extends in the first direction on the display area. The vertical transmission line receives a ground power supply voltage from an upper side of the display area to transfer the ground power supply voltage to the pixels, and receives a data voltage from a lower side of the display area. A horizontal transmission line extends in the second direction on the display area and is arranged in the first direction. The horizontal transmission line is connected to the vertical transmission line and the data line on the lower display area to transfer the data voltage to the data line.

What is claimed is: 
     
         1 . A display device comprising:
 a data line extending in a first direction and arranged in a second direction on a display area, and connected to a plurality of pixels, wherein the display area is divided into an upper display area and a lower display area;   a vertical transmission line extending in the first direction on the display area, wherein the vertical transmission line receives a ground power supply voltage from an upper side of the display area to transfer the ground power supply voltage to the pixel, and receives a data voltage from a lower side of the display area; and   a horizontal transmission line extending in the second direction on the display area and arranged in the first direction on the display area, and connected to each of the vertical transmission line and the data line on the lower display area to transfer the data voltage to the data line.   
     
     
         2 . The display device of  claim 1 , wherein the horizontal transmission line in one imaginary horizontal line is divided into two parts electrically disconnected from each other. 
     
     
         3 . The display device of  claim 1 , further comprising:
 a dummy horizontal transmission line extending in the second direction on the display area,   wherein the dummy horizontal transmission line is in an imaginary extension line of the horizontal transmission line.   
     
     
         4 . The display device of  claim 3 , wherein the dummy horizontal transmission line is electrically insulated from the vertical transmission line and the data line. 
     
     
         5 . The display device of  claim 1 ,
 wherein the lower display area comprises a left corner area, a right corner area and a middle area, and   wherein the horizontal transmission line is in each of the left corner area and the right corner area.   
     
     
         6 . The display device of  claim 5 , further comprising:
 a dummy horizontal transmission line extending in the second direction on the display area,   wherein the dummy horizontal transmission line is in an imaginary extension line of the horizontal transmission line.   
     
     
         7 . The display device of  claim 6 , wherein a dummy horizontal transmission line corresponding to the middle area is electrically connected to the vertical transmission line. 
     
     
         8 . The display device of  claim 6 , wherein a dummy horizontal transmission line corresponding to each of the left corner area and the right corner area is electrically insulated from the vertical transmission line and the data line. 
     
     
         9 . The display device of  claim 1 , wherein the horizontal transmission line is further connected to the vertical transmission line in the upper area to transfer the ground power supply voltage to the vertical transmission line. 
     
     
         10 . The display device of  claim 1 , further comprising:
 a peripheral line disposed on a peripheral area surrounding the display area and connected to the vertical transmission line to transfer the ground power supply voltage to the vertical transmission line.   
     
     
         11 . The display device of  claim 1 , wherein the vertical transmission line in one imaginary vertical line is divided into at least two parts electrically disconnected from each other. 
     
     
         12 . The display device of  claim 1 , wherein the vertical transmission line includes a same material as the data line. 
     
     
         13 . The display device of  claim 1 , wherein the vertical transmission line is disposed in a same layer as the data line. 
     
     
         14 . The display device of  claim 1 , wherein the horizontal transmission line includes a same material as a contact pad which electrically connects a drain electrode of a thin-film transistor and a lower electrode of a light-emitting structure to each other. 
     
     
         15 . The display device of  claim 1 , wherein the horizontal transmission line is disposed in a same layer as a contact pad which electrically connects a drain electrode of a thin-film transistor and a lower electrode of a light-emitting structure to each other. 
     
     
         16 . The display device of  claim 1 , wherein the horizontal transmission line includes a same material as a lower electrode of a light-emitting structure. 
     
     
         17 . The display device of  claim 1 , wherein the horizontal transmission line is disposed in a same layer as a lower electrode of a light-emitting structure.