High quality active matrix-type display device
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United States of America Patent
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May 7, 1996
Issued Date -
N/A
app pub date -
May 31, 1995
filing date -
May 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an active matrix-type display device where scan bus lines (S.sub.i) and data bus lines (D.sub.j) are formed on different substrates, two kinds of scan bus lines (SP.sub.i, SN.sub.i) are provided. A first switching element (TFTN.sub.ij) is connected between a reference voltage supply line (V.sub.R) and a display electrode (E.sub.ij), and is controlled by a first scan bus line (SN.sub.i), and a second switching element (TFTP.sub.ij) is connected between the reference voltage supply bus line (V.sub.R) and the display electrode, and is controlled by a second scan bus line (SP.sub.i). The first switching element (TFTN.sub.ij) is turned ON by a positive or negative potential at the first scan bus line.
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