TFT-LCD capable of adjusting its light source
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United States of America Patent
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Oct 26, 2004
Grant Date -
Jul 24, 2003
app pub date -
Jun 12, 2002
filing date -
Jan 18, 2002
priority date (Note) -
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Abstract
A thin film transistor liquid crystal display (TFT-LCD) capable of adjusting its light source utilizes at least one thin film transistor (TFT) disposed in a peripheral region of a bottom substrate as a photo sensor for detecting ambient illumination. Then, a light source modulator can enhance, weaken, open or close the light source of the TFT-LCD to an optimal brightness level that depends on the ambient illumination spontaneously.
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