Mobile terminal having a touch region to obtain fingerprint information
US10921922B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2016 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Oct 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04109
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A mobile terminal including a glass panel having a first and a second touch region. The second touch region is, at least in part, located within the first touch region and configured to obtain fingerprint information. The mobile terminal further includes a first and a second touch sensor respectively corresponding to the first and second touch regions, a light guide plate provided at a backside of the first and second touch sensors, and a light source provided on at least one side of the light guide plate, wherein the light guide plate includes a light guide plate body to propagate light from the light source, and windows such that brightness of the second touch region is substantially the same as brightness of a portion of the first touch region that is outside of the second touch region, the windows having different properties including at least one of size and density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.