Display device

Abstract

Disclosed is a display device having a first layer and a second layer over the second layer. The first layer possesses a display region including: a plurality of first sub-pixels; a plurality of second sub-pixels; a plurality of third sub-pixels; a partition wall sandwiched by two adjacent sub-pixels; and a sealing film thereover. The second layer includes: a first touch electrode overlapping with the partition wall and arranged along the partition wall; and a second touch electrode overlapping with the partition wall, arranged along the partition wall, and intersecting the first touch electrode. The first touch electrode and the second touch electrode exist in the same layer. The first touch electrode and the second touch electrode each have a plurality of openings. Among the number of the first sub-pixels, the number of the second sub-pixels, and the number of the third sub-pixels, one is different from the other two.

What is claimed is: 
     
         1 . A display device comprising:
 a display region including a plurality of first sub-pixels configured to emit first light, a plurality of second sub-pixels configured to emit second light, and a plurality of third sub-pixels configured to emit third light;   a partition wall between two adjacent sub-pixels selected from the first sub-pixels, the second sub-pixels, and the third sub-pixels;   a sealing film over the first sub-pixels, the second sub-pixels, the third sub-pixels, and the partition wall;   a first touch electrode overlapping with the partition wall and arranged along the partition wall; and   a second touch electrode overlapping with the partition wall, arranged along the partition wall, and intersecting the first touch electrode, wherein   the first light, the second light, and the third light are different in color from one another,   the first touch electrode and the second touch electrode include a portion formed in the same layer,   the first touch electrode and the second touch electrode each have a plurality of openings,
 at least two of the plurality of first sub-pixels, the plurality of second sub-pixels, and the plurality of third sub-pixels are included in an area of one of the plurality of openings in a planar view, 
 at least another two of the plurality of first sub-pixels, the plurality of second sub-pixels, and the plurality of third sub-pixels are included in an area of another one of the plurality of openings in a planar view, 
 a total number of the sub-pixels included in the area of the one of the plurality of openings and a total number of the sub-pixels included in the area of the another one of the plurality of openings are the same as each other, and 
 a number of the first sub-pixels, a number of the second sub-pixels, and a number of the third sub-pixels included in the area of the one of the plurality of openings and a number of the first sub-pixels, a number of the second sub-pixels, and a number of the third sub-pixels included in the area of the another one of the plurality of openings are respectively different from each other. 
   
     
     
         2 . The display device according to  claim 1 , further comprising a circular polarizing plate over the first touch electrode and the second touch electrode. 
     
     
         3 . The display device according to  claim 1 , wherein
 the sealing film has a stack of an inorganic film and an organic film, and   the display device further comprises a second organic film over and in contact with the sealing film.   
     
     
         4 . The display device according to  claim 1 , further comprising:
 a bridge wiring; and   an interlayer between the bridge wiring and the first touch electrode and between the bridge wiring and the second touch electrode, wherein   the second touch electrode has a plurality of electrodes, and   two adjacent electrodes are connected through the bridge wiring in a region where the first touch electrode intersects with the second touch electrode.   
     
     
         5 . The display device according to  claim 4 , wherein
 the first touch electrode and the second touch electrode are electrically connected to a first wiring and a second wiring, respectively, and   the first wiring and the second wiring are in the same layer as the bridge wiring.   
     
     
         6 . The display device according to  claim 5 , further comprising a transistor which is electrically connected to at least one of the first sub-pixels, the second sub-pixels, and the third sub-pixels and includes a gate electrode and a source/drain electrode, wherein
 the first wiring and the second wiring are electrically connected to a first terminal wiring and a second terminal wiring, respectively, outside the display region, and   the first terminal wiring and the second terminal wiring are in the same layer as one of the gate electrode, the source electrode, and the drain electrode.   
     
     
         7 . The display device according to  claim 6 , wherein
 a part of the first terminal wiring and a part of the second terminal wiring are exposed and electrically connected to a flexible printed circuit.   
     
     
         8 . The display device according to  claim 1 , wherein
 each of the first touch electrode and the second touch electrode comprises a plurality of square regions and a plurality of connection regions alternating with each other, and   an edge portion of each of the plurality of square regions has a portion which does not form the opening.