Display device

Abstract

An input sensor including a first electrode and a second electrode, which cross each other. The first electrode includes a first main portion extending in a first direction and first sensing portions and second sensing portions, which are disposed with the first main portion therebetween in a second direction and each of which extends from the first main portion. Each of the first sensing portions and the second sensing portions includes first sub-portions extending in the first direction and first middle portions disposed between the first sub-portions and between one of the first sub-portions and the first main portion.

What is claimed is: 
     
         1 . A display device comprising:
 a display panel; and   an input sensor disposed on the display panel and comprising a first electrode extending in a first direction and a second electrode extending in a second direction crossing the first direction,   wherein:   the first electrode comprises:
 a first main portion extending in the first direction; and 
 first sensing portions and second sensing portions, which are disposed with the first main portion therebetween in the second direction and each of which extends from the first main portion; and 
   each of the first sensing portions and the second sensing portions comprises:
 first sub-portions extending in the first direction; and 
 first middle portions disposed between the first sub-portions and between one of the first sub-portions and the first main portion. 
   
     
     
         2 . The display device of  claim 1 , wherein the second electrode comprises:
 a third sensing portion disposed at one side of the first main portion in the second direction;   a fourth sensing portion disposed at the other side of the first main portion in the second direction; and   a bridge disposed on a different layer from the third sensing portion and the fourth sensing portion and connecting the third sensing portion and the fourth sensing portion and overlapping the first main portion.   
     
     
         3 . The display device of  claim 2 , wherein the third sensing portion comprises:
 a second main portion disposed between the first sensing portions in the first direction;   second sub-portions disposed outside the first sensing portions in the first direction; and   second middle portions disposed between the second main portion and the second sub-portions.   
     
     
         4 . The display device of  claim 2 , wherein at least the first sub-portions are surrounded by the third sensing portion. 
     
     
         5 . The display device of  claim 2 , wherein the input sensor further comprises a dummy electrode disposed between the third sensing portion and at least one first sensing portion of the first sensing portions. 
     
     
         6 . The display device of  claim 5 , wherein the dummy electrode surrounds the one first sensing portion of the first sensing portions. 
     
     
         7 . The display device of  claim 2 , wherein:
 the display panel comprises a light emitting element and an upper insulation layer covering the light emitting element; and   the input sensor further comprises a sensor insulation layer contacting the bridge; and   one of the bridge and the sensor insulation layer contacts the upper insulation layer.   
     
     
         8 . The display device of  claim 1 , wherein:
 the second electrode is provided in plurality, and the plurality of second electrodes are arranged in the second direction;   two first sensing portions and two second sensing portions are disposed between a first s area and a second area;   one second electrode of the plurality of second electrodes and the first electrode cross each other in the first area; and   another second electrode, which is a most adjacent to the one second electrode of the plurality of second electrodes, and the first electrode cross each other in the second area.   
     
     
         9 . The display device of  claim 1 , wherein:
 the display panel comprises a plurality of light emitting areas; and   the first electrode and the second electrode comprise a plurality of conductive lines configured to define a plurality of openings corresponding to the plurality of light emitting areas.   
     
     
         10 . The display device of  claim 1 , wherein the display device is foldable with respect to a reference axis. 
     
     
         11 . The display device of  claim 1 , further comprising:
 an upper member disposed on the input sensor and comprising a polarizer; and   an adhesive member attaching the upper member and the input sensor.   
     
     
         12 . The display device of  claim 11 , wherein the first electrode and the second electrode contact the adhesive member. 
     
     
         13 . A display device comprising:
 a display panel; and   an input sensor disposed on the display panel and comprising a sensing area, on which a sensing electrode is disposed, and a line area, on which a signal line is disposed,   wherein:   a partial area of the sensing area is classified into a plurality of sensing areas having the same area; and   the sensing electrode comprises:
 a first main portion extending in a first direction; 
 first sensing portions and second sensing portions, which are disposed with the first main portion therebetween in a second direction crossing the first direction and each of which extends from the first main portion; 
 a third sensing portion and a fourth sensing portion, which are disposed with the first main portion therebetween in the second direction and among which one surrounds is the first sensing portions, and the other surrounds the second sensing portions; and 
 a bridge disposed on a different layer from the third sensing portion and the fourth sensing portion and connecting the third sensing portion and the fourth sensing portion. 
   
     
     
         14 . The display device of  claim 13 , wherein the third sensing portion comprises:
 a second main portion disposed between the first sensing portions in the first direction; and   a second sub-portion extending from the second main portion and disposed between the first sensing portions in the second direction.   
     
     
         15 . The display device of  claim 13 , wherein the input sensor further comprises a dummy electrode disposed between the third sensing portion and at least one first sensing portion of the first sensing portions. 
     
     
         16 . The display device of  claim 15 , wherein the dummy electrode is an electrically isolated floating electrode. 
     
     
         17 . The display device of  claim 13 , wherein a sum of areas of the third sensing portion and the fourth sensing portion is greater than a sum of areas of the first sensing portions and the second sensing portions. 
     
     
         18 . A display device comprising:
 a display panel; and   an input sensor disposed on the display panel and comprising a first electrode extending in a first direction and a second electrode and a third electrode, which cross the first electrode,   wherein:   the first electrode comprises:
 first to third main portions arranged in the first direction; 
 bridges disposed on a different layer from the first to third main portions and connecting adjacent main portions of the first to third main portions; and 
 first sensing portions and second sensing portions, which are disposed with the corresponding main portion of the first to third main portions therebetween in the second direction and each of which extends from the corresponding main portion; 
   one first sensing portion connected to the second main portion among the first sensing portions and one second sensing portion connected to the second main portion among the second sensing portions are surrounded by the second electrode; and   another first sensing portion connected to the second main portion among the first sensing portions and another second sensing portion connected to the second main portion among the second sensing portions are surrounded by the third electrode.   
     
     
         19 . The display device of  claim 18 , wherein each of the first sensing portions and the second sensing portions comprises:
 first sub-portions extending in the first direction; and   middle portions disposed between the first sub-portions and between one of the first sub-portions and the corresponding main portion.   
     
     
         20 . The display device of  claim 18 , wherein:
 one first sensing portion connected to the first main portion among the first sensing portions and one second sensing portion connected to the first main portion among the second sensing portions are surrounded by the second electrode; and   one first sensing portion connected to the third main portion among the first sensing portions and one second sensing portion connected to the third main portion among the second sensing portions are surrounded by the third electrode.