| 摘要 |
An LCD shift register having stages which use the Bootstrap effect and may only have three MIS transistors, as well as improvements to such a circuit having four or seven MIS transistors, are disclosed. The advantages are that the number of components used is reduced, the lifetime of the shift registers is extended, and it is possible to operate only with control signals having an amplitude 5 or 10 v lower than that of the output signals.
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