Display apparatus with fingerprint identification function
US10275632B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 31, 2016 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Jan 20, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13338
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus which is also able to receive and identify fingerprints comprises a first substrate, a second substrate, a liquid crystal layer, a plurality of dummy pixel units located in a non-display region, a fingerprint identification module, and a plurality of data extending lines. Each of the dummy units comprises first and second auxiliary electrodes. The fingerprint identification module comprises signal transmitting layer and signal receiving components on the signal transmitting layer. The signal receiving component receives reflected ultrasonic wave and converts the received waves into fingerprint signal. The data extending line is electrically connected with the dummy pixel unit. The signal receiving component transmits the fingerprint signals to the at least one first auxiliary electrode and the data extending line thus receives the fingerprint signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.