Detection device and display device

Abstract

A detection device is provided and includes a first detection electrode; and a dummy module adjacent to the first detection electrode in a first direction, wherein the first detection electrode includes a plurality of first openings and a plurality of second openings, the dummy module includes a plurality of first gap portions and a plurality of second gap portions, each of the first openings and the first gap portions extends in a first inclined direction inclined at a first angle with respect to the first direction, each of the second openings and the second gap portions extends in a second inclined direction inclined at a second angle with respect to the first direction, the first openings are apart from each other, and the first gap portions are coupled to each other.

What is claimed is: 
     
         1 . A detection device comprising:
 a first detection electrode; and   a dummy module adjacent to the first detection electrode in a first direction,   wherein   the first detection electrode includes a plurality of first openings and a plurality of second openings,   the dummy module includes a plurality of first gap portions and a plurality of second gap portions,   each of the first openings and the first gap portions extends in a first inclined direction inclined at a first angle with respect to the first direction,   each of the second openings and the second gap portions extends in a second inclined direction inclined at a second angle with respect to the first direction,   the first openings are apart from each other, and   the first gap portions are coupled to each other.   
     
     
         2 . The detection device according to  claim 1 , wherein
 the first openings and the second openings are apart from each other, and   the first gap portions and the second gap portions are coupled to each other.   
     
     
         3 . The detection device according to  claim 1 , wherein
 a part of the first gap portions and a part of the second gap portions are formed on a boundary portion between the first detection electrode and the dummy module.   
     
     
         4 . The detection device according to  claim 1 , wherein
 a boundary portion between the first detection electrode and the dummy module includes a first one of the first gap portions and a second one of the first gap portions, and   a width of the first one of the first gap portions is different from a width of the second one of the first gap portions in the first inclined direction.   
     
     
         5 . The detection device according to  claim 1 , wherein
 the first inclined direction is perpendicular to the second inclined direction.   
     
     
         6 . The detection device according to  claim 1 , wherein
 a width of each of the first openings and the second openings is greater than a width of each of the first gap portions and the second gap portions.   
     
     
         7 . The detection device according to  claim 1 , wherein
 the dummy module includes a plurality of dummy electrodes, and   each of the dummy electrodes is surrounded by two of the first gap portions and two of the second gap portions.   
     
     
         8 . The detection device according to  claim 7 , wherein
 a proportion of an area of the first detection electrode to a sensor region in which the first detection electrode is formed is equal to a proportion of a total area of the dummy electrodes to a dummy region in which the dummy module is formed.   
     
     
         9 . The detection device according to  claim 1 , wherein
 the first detection electrode is formed to extend to a non-display area outside a display area in which a plurality of pixel electrodes is arranged.   
     
     
         10 . The detection device according to  claim 1 , further comprising:
 a first detection electrode layer including the first detection electrode; and   a second detection electrode layer opposed to the first detection electrode layer and including a second detection electrode.   
     
     
         11 . The detection device according to  claim 10 , wherein
 the first detection electrode and the second detection electrode overlap each other in planar view.   
     
     
         12 . The detection device according to  claim 10 , wherein
 the first detection electrode layer further includes a third detection electrode, and   the second detection electrode is arranged between the first detection electrode and the third detection electrode.   
     
     
         13 . The detection device according to  claim 10 , wherein
 a width of the first detection electrode is smaller than a width of the second detection electrode in the first direction.   
     
     
         14 . A display device comprising:
 a display panel;   a first detection electrode; and   a dummy module adjacent to the first detection electrode in a first direction,   wherein   the first detection electrode includes a plurality of first openings and a plurality of second openings,   the dummy module includes a plurality of first gap portions and a plurality of second gap portions,   each of the first openings and the first gap portions extends in a first inclined direction inclined at a first angle with respect to the first direction,   each of the second openings and the second gap portions extends in a second inclined direction inclined at a second angle with respect to the first direction,   the first openings are apart from each other, and   the first gap portions are coupled to each other.   
     
     
         15 . The display device according to  claim 14 , further comprising:
 a cover member;   a polarizer located between the display panel and the cover member; and   a first detection electrode layer including the first detection electrode and the dummy module and located between the polarizer and the cover member.   
     
     
         16 . The display device according to  claim 15 , further comprising:
 a second detection electrode layer including a second detection electrode,   wherein   the display panel includes a common electrode, and   the second detection electrode layer is located between the common electrode and the polarizer.   
     
     
         17 . The display device according to  claim 16 , wherein
 the first detection electrode and the second detection electrode overlap each other in planar view.   
     
     
         18 . The display device according to  claim 16 , wherein
 the first detection electrode layer further includes a third detection electrode, and   the second detection electrode is arranged between the first detection electrode and the third detection electrode.   
     
     
         19 . The display device according to  claim 16 , wherein
 a width of the first detection electrode is smaller than a width of the second detection electrode in the first direction.   
     
     
         20 . The display device according to  claim 14 , wherein
 the display panel further includes a plurality of pixel electrode arranged in a display area, and   the first detection electrode is formed to extend to a non-display area outside the display area.