Active pen and touchscreen display device
US10955964B2 · kind B2 · utility
4Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2019 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Dec 18, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0442
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touchscreen display device includes a display panel, a touch sensor, and a touch circuit. The touch sensor is disposed in an area corresponding to the display panel to output an uplink signal including signal intensity information regarding an intensity of a downlink signal output from an active pen. The touch circuit controls the touch sensor to output the uplink signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.