Touch screen and electronic device having the same
US10338756B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2017 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Aug 18, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04106
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch screen includes a touch panel and an ultrasonic probe. A touch panel includes a cover plate, a first sensing structure including a plurality of receiving electrode lines, and a second sensing structure including a plurality of transmitting electrode lines. The ultrasonic probe includes a first piezoelectric film and a second piezoelectric film. The first piezoelectric film is attached to the touch panel and electrically coupled to the receiving electrode line, and the second piezoelectric film is attached to the touch panel and electrically coupled to the transmitting electrode line. An electronic device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.