Display apparatus and driving method thereof
US12001634B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2021 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Apr 19, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/142
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus capable of performing authentication in a short time is provided. The display apparatus includes a first display portion where first pixels are arranged in a matrix, a second display portion where second pixels are arranged in a matrix, first and second row driver circuits, and a control circuit. Each of the first and the second pixels includes a light-receiving element. The first and the second pixels each have a function of acquiring imaging data by using the light-receiving element. The first and the second row driver circuits each have a function of selecting the first and the second pixels which read out the imaging data. The control circuit has a function of sequentially driving the first and the second row driver circuits in a first mode, and has a function of driving one of the first and the second row driver circuits on the basis of the imaging data in the second mode. Each of the scan rates of the first and the second row driver circuits in the first mode is higher than the scan rate of the first or the second row driver circuit in the second mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.