Patent ID: 11921951
Assignee: WACOM CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A touch sensor, comprising:
a display panel that includes a plurality of pixel electrodes each provided in a corresponding one of a plurality of pixels, and a common electrode shared by the plurality of pixels; and
a touch panel that detects a position of at least either a finger or a pen,
wherein the display panel and the touch panel are superimposed on each other in a vertical direction perpendicular to the display panel, and
the common electrode includes a conductor-area-reduction portion that reduces an area of the common electrode, wherein,
the conductor-area-reduction portion consists of all of a plurality of holes formed in the common electrode;
the plurality of holes collectively function as the conductor-area-reduction portion;
the plurality of holes are arranged at a hole pitch HP in a first direction, the plurality of pixels are arranged at a pixel pitch PP in the first direction, the hole pitch HP is not a multiple of the pixel pitch PP, and the hole pitch HP is not a divisor of the pixel pitch PP.