Driver circuit, method of manufacturing the driver circuit, and display device including the driver circuit
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United States of America Patent
Stats
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Dec 26, 2017
Grant Date -
May 25, 2017
app pub date -
Dec 2, 2016
filing date -
Jun 29, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a driver circuit which suppresses damage of a semiconductor element due to ESD in a manufacturing process, a method of manufacturing the driver circuit. Further provided are a driver circuit provided with a protection circuit with low leakage current, and a method of manufacturing the driver circuit. By providing a protection circuit in a driver circuit to be electrically connected to a semiconductor element in the driver circuit, and by forming, at the same time, a transistor which serves as the semiconductor element in the driver circuit and a transistor included in the protection circuit in the driver circuit, damage of the semiconductor element due to ESD is suppressed in the process of manufacturing the driver circuit. Further, by using an oxide semiconductor film for the transistor included in the protection circuit in the driver circuit, leakage current in the protection circuit is reduced.
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