Liquid crystal display device performing both image display mode and fingerprint recognition mode
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United States of America Patent
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Aug 26, 2008
Grant Date -
Sep 18, 2003
app pub date -
Dec 30, 2002
filing date -
Mar 12, 2002
priority date (Note) -
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status (Latency Note)
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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.
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