Electro-optical device
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United States of America Patent
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May 22, 2001
Issued Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Mar 15, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A liquid-crystal electro-optical device capable of compensating for the operation of any malfunctioning one of TFTs (thin-film transistors) existing within the device if such a malfunction occurs. Plural complementary TFT configurations are provided per pixel electrode. Each complementary TFT configuration consists of at least one p-channel TFT and at least one n-channel TFT. The input and output terminals of the plural complementary TFT configurations are connected in series. One of the input and output terminals is connected to the pixel electrode, while the other is connected to a first signal line. All the gate electrodes of the p-channel and n-channel TFTs included in said plural complementary TFT configurations are connected to a second signal line.
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