US 11,675,456 B2
Display apparatus with electrodes used for sensing by both electromagnetic induction and by self-capacitance
Hayato Kurasawa, Tokyo (JP); Hiroshi Mizuhashi, Tokyo (JP); Fumitaka Gotoh, Tokyo (JP); Gen Koide, Tokyo (JP); and Tadayoshi Katsuta, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Jun. 7, 2022, as Appl. No. 17/833,954.
Application 17/833,954 is a continuation of application No. 17/182,739, filed on Feb. 23, 2021, granted, now 11,385,739.
Application 17/182,739 is a continuation of application No. PCT/JP2019/028666, filed on Jul. 22, 2019.
Claims priority of application No. JP2018-157658 (JP), filed on Aug. 24, 2018.
Prior Publication US 2022/0300139 A1, Sep. 22, 2022
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); G06F 3/046 (2006.01)
CPC G06F 3/04166 (2019.05) [G06F 3/046 (2013.01); G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); G06F 2203/04111 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a substrate;
a plurality of pixel electrodes;
a plurality of detection electrodes arranged in a matrix in a display area of the substrate;
a plurality of detection electrode lines coupled to the respective detection electrodes;
a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction;
a plurality of switching elements coupled to the respective pixel electrodes;
a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction;
a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and
a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used, wherein
the detection electrode lines extend in the second direction,
the first electrodes are provided in the same layer as the detection electrode lines and cross the detection electrode lines in a plan view,
each of the detection electrode lines includes a first partial detection electrode line and a second partial detection electrode line, and
the first partial detection electrode line and the second partial detection electrode line are placed adjacent to each other in the second direction with a corresponding one of the first electrodes therebetween and are electrically coupled to each other via a bridge line provided in a different layer from the detection electrode lines.