Light intensity detecting device, screen member and mobile terminal
US11262235B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2020 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Apr 25, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/145
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for detecting light intensity, a display screen and a mobile terminal are provided. The device for detecting light intensity includes a controller, and a first photosensitive sensor and a second photosensitive sensor which are electrically coupled to the controller, the first photosensitive sensor and the second photosensitive sensor being spaced apart and located in a same illumination environment, and the controller is configured to, when an external beam illuminates the first photosensitive sensor, perform calculation based on a difference value between illumination parameters of the first photosensitive sensor and the second photosensitive sensor to obtain a light intensity of the external beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.