Infrared touch screen, touch detection method thereof and display apparatus
US9830017B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 19, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Jun 19, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0428
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An infrared touch screen, a touch detection method thereof and a display apparatus are provided. The infrared touch screen comprises: a display device, an infrared emitter and a first infrared receiver arranged at any side of a display surface of the display device, the infrared emitter emitting a plurality of infrared rays scattered and covering a light exiting surface of the display device; and a plurality of second infrared receivers arranged at intervals on other sides the display surface of the display device except the side provided with the infrared emitter and corresponding to the plurality of infrared rays in a one-to-one correspondence relationship, wherein, the first infrared receiver detects an infrared ray reflected by a touch position, in the infrared rays emitted by the infrared emitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.