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US 11,900,893 B2Granted
Driver circuit
AssigneeInnolux Corporation
InventorsSheng-Feng Huang, Akihiro Iwatsu, Cheng-Min Wu, Kuanfeng Lee
Life of this patent
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Abstract
A driver circuit which includes an output circuit and a control circuit coupled to the output circuit. The driver circuit includes a pull-up transistor with a silicon semiconductor layer. The control circuit includes a first transistor with an oxide semiconductor layer.
Claims13
A driver circuit, comprising:
- an output circuit comprising a pull-up transistor;
- and
- a control circuit coupled to the output circuit, the control circuit comprising a first transistor;
- wherein the pull-up transistor has a first control node, and the pull-up transistor is coupled to a first clock signal and a gate line;
- wherein the output circuit further comprises an auxiliary transistor coupled to the pull-up transistor and a low voltage, and the auxiliary transistor has a second control node;
- wherein the control circuit further comprises a second transistor, a third transistor, a fourth transistor, and a fifth transistor;
- wherein a third end of the auxiliary transistor is directly connected to the second transistor, the third transistor, and the fourth transistor;
- wherein the first transistor is coupled to a high voltage;
- wherein the second transistor is coupled to the low voltage, the first control node, the first transistor, and the fifth transistor;
- wherein the third transistor has a first end directly connected to the high voltage, a second end directly connected to the second control node, and a third end directly connected to a second clock signal;
- and
- wherein the fourth transistor is coupled to the low voltage, the first transistor, the fifth transistor, and the auxiliary transistor;
- wherein the second transistor has a bottom gate structure, and the auxiliary transistor has a top gate structure.
10 more elements
Dependencies are inferred from the claim text.