Display device with light shield
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United States of America Patent
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Feb 5, 2013
Grant Date -
May 6, 2010
app pub date -
May 19, 2008
filing date -
May 18, 2007
priority date (Note) -
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Abstract
A light shield (204) for blocking light traveling toward a PIN photodiode (413) from a glass substrate (314) side is formed of a conductive material, and a reference electric potential (Vr−nVoc) equal to that of a cathode of the PIN photodiode (413) is applied to the light shield (204) from a power supply circuit (266). Thus, inductive noise for a photoelectric conversion device used for an ambient light sensor is further reduced in a display device.
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