Liquid crystal display device performing both image display mode and fingerprint recognition mode
US7418117B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2002 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Sep 6, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/0809
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a liquid crystal display device of novel construction, in which a fingerprint recognition device is integrally formed with the liquid crystal display device, thereby minimizing the increase in the price and size of a final product. The liquid crystal display device comprises an image display panel and a fingerprint recognition panel which are integrally formed, wherein the image display panel comprises a scan drive unit which sequentially turns on rows formed in the image display panel for each frame in order to display images, and a data drive unit which outputs data signals to a turned-on row provided in the image display panel, and wherein the fingerprint recognition panel comprises a switch control unit which sequentially turns on rows formed in the fingerprint recognition panel for each frame in order to perform fingerprint recognition, and a reading unit, to which fingerprint information recognized from a turned-on row is outputted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.