Pressure detection structure and touch device
US10338720B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2017 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Jul 11, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04107
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A pressure detection structure and a touch device are disclosed. The structure is mounted on a middle frame of the touch device and includes a cover, a display device and a pressure sensor. The display device is arranged below the cover, and includes a display module. The pressure sensor is arranged in the display device; any electrically conductive member in the display device or the middle frame which is electrically conductive is used as a reference electrode; and a variable gap is present between the pressure sensor and the reference electrode, and the pressure sensor outputs a pressure signal according to variation of capacitance between a sensing electrode thereof and the reference electrode. According to the present application, pressure detection may be carried out accurately, and thus reliability of products is enhanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.