Touch panel with infrared light receiving elements, and display device
US9880669B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 26, 2015 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | Oct 9, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04109
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch panel and a display device are provided. The touch panel includes a touch substrate; two first photodetectors disposed at both ends of a side of the touch substrate, wherein the touch substrate is divided into a first touch area and a second touch area, the second touch area is in a location corresponds to the detection blind zone of the two first photodetectors, and the two first photodetectors are configured to determine the position of a touch point in the first touch area; and a second photodetector disposed at peripheral of the touch substrate which can emit and receive infrared light and are configured to determine a position of a touch point in the second touch area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.