Display panel and operation method thereof
US11296155B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 4, 2019 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jan 4, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2354/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display panel and an operation method thereof are disclosed. In the display panel, a second light-emitting device is configured to emit a second light ray to the non-display side, and a second photosensitive element is configured to allow the second light ray to be incident therein and detect the second light ray. A first light-emitting device and the second light-emitting device are configured to emit a first light ray to the display side, and a first photosensitive element is configured to allow the first light ray reflected by an external object to be incident therein and detect the reflected first light ray. The second light ray is of a type different from that of the first light ray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.