Display device and touch detection device
US10474276B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2016 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Jul 4, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04106
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
To provide a display device with a touch detection function capable of suppressing an increase in price. The display device is provided with a pixel array which includes a plurality of pixels; a plurality of signal lines which supply an image signal to the plurality of pixels; a plurality of drive electrodes which supply a drive signal to the plurality of pixels; and an electrode driving circuit which supplies a magnetic field drive signal to the drive electrode at a time of detecting an external proximity object using the magnetic field, and supplies an electric field drive signal to the drive electrode at a time of detecting the external proximity object using the electric field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.