Drive circuit and display device
AssigneeSony Corporation
InventorKeisuke Omoto
Life of this patent
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Abstract
The present invention provides a drive circuit and a display device realizing reduced variations at both a trailing timing and a rising timing of output voltage. The drive circuit includes an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high-voltage line and a low-voltage line. The output-side inverter circuit includes: a first transistor having a drain connected to the high-voltage line side and a source connected to an output side of the output-side inverter circuit; a second transistor having a drain connected to the low-voltage line side and a source connected to an output side of the output-side inverter circuit; and a correction circuit correcting gate voltage of each of the first and second transistors.
Claims9
A drive circuit comprising an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high-voltage line and a low-voltage line,
- wherein the output-side inverter circuit includes:
- a first transistor having a drain connected to the high-voltage line side and a source connected to an output side of the output-side inverter circuit;
- a second transistor having a drain connected to the low-voltage line side and a source connected to an output side of the output-side inverter circuit;
- and
- a correction circuit correcting gate voltage of each of the first and second transistors.
A display device comprising:
- a display section including a plurality of scan lines disposed in rows, a plurality of signal lines disposed in columns, and a plurality of pixels disposed in a matrix;
- and
- a drive section for driving the pixels,
- wherein the drive section has a plurality of drive circuits provided for the scan lines in a one-to-one corresponding manner,
- the drive circuit has an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high-voltage line and a low-voltage line, and
- the output-side inverter circuit includes:
- a first transistor whose drain is connected to the high-voltage line side and whose source is connected to an output side of the output-side inverter circuit,
- a second transistor whose drain is connected to the low-voltage line side and whose source is connected to an output side of the output-side inverter circuit, and
- a correction circuit for correcting gate voltage of each of the first and second transistors.
Dependencies are inferred from the claim text.