Touch sensor and display device including the same
US11068099B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2020 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Jun 1, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2354/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.