Touch screen, touch display apparatus and method for manufacturing touch screen
US10203798B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 29, 2016 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Aug 5, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04103
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a touch screen, a touch display apparatus and a method for manufacturing a touch screen so as to improve the positioning precision of the touch screen. The touch screen comprises a substrate and a plurality of first optical devices, a plurality of second optical devices, a light source, a third optical device, a plurality of first light-receiving means and a plurality of second light-receiving means. The touch screen further comprises control means for determining positional information of the touch point according to the light receiving results of the plurality of first light-receiving means and the plurality of second light-receiving means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.