Touch pad for detecting contact and contactless touches, method of detecting touch by using touch pad, and display device including touch pad
US11042246B2 · kind B2 · utility
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0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Aug 7, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04108
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a display device having a touch detection function, and relates to a touch pad which is capable of detecting a contact touch and a contactless touch, a method of detecting a touch by using the same, and a display device including the same. According to the touch pad, the method of detecting a touch by using the touch pad, and the display device including the touch pad of the present invention, it is possible to simultaneously detect a contact touch and a contactless touch, and increase touch sensitivity by additionally applying a driving back voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.