Fingerprint sensor and display device including the same
US11263429B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2020 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | May 27, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K77/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to an aspect of the invention, a fingerprint sensor for a display device includes: a substrate having first and second surfaces; a light transmission layer including a first layer disposed on the first surface of the substrate and having first openings in at least one first conductive layer, and a second layer disposed on the first surface of the substrate and having second openings in at least one second conductive layer; a light emitting element layer disposed on the first layer and the second layer and having at least one light emitting element; and a sensor layer disposed on the second surface of the substrate and having light sensors, where at least a portion of the first openings and at least a portion of the second openings at least partially overlap and have different sizes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.